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/*
* Copyright 2009-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2009-2017 UnboundID Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk.persist;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import com.unboundid.ldap.sdk.AddRequest;
import com.unboundid.ldap.sdk.Attribute;
import com.unboundid.ldap.sdk.BindResult;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.DeleteRequest;
import com.unboundid.ldap.sdk.DereferencePolicy;
import com.unboundid.ldap.sdk.Entry;
import com.unboundid.ldap.sdk.Filter;
import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldap.sdk.LDAPEntrySource;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.LDAPInterface;
import com.unboundid.ldap.sdk.LDAPResult;
import com.unboundid.ldap.sdk.Modification;
import com.unboundid.ldap.sdk.ModificationType;
import com.unboundid.ldap.sdk.ModifyRequest;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.SearchRequest;
import com.unboundid.ldap.sdk.SearchResult;
import com.unboundid.ldap.sdk.SearchScope;
import com.unboundid.ldap.sdk.SimpleBindRequest;
import com.unboundid.ldap.sdk.schema.AttributeTypeDefinition;
import com.unboundid.ldap.sdk.schema.ObjectClassDefinition;
import com.unboundid.ldap.sdk.schema.Schema;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.ldap.sdk.persist.PersistMessages.*;
import static com.unboundid.util.Debug.*;
import static com.unboundid.util.StaticUtils.*;
import static com.unboundid.util.Validator.*;
/**
* This class provides an interface that can be used to store and update
* representations of Java objects in an LDAP directory server, and to find and
* retrieve Java objects from the directory server. The objects to store,
* update, and retrieve must be marked with the {@link LDAPObject} annotation.
* Fields and methods within the class should be marked with the
* {@link LDAPField}, {@link LDAPGetter}, or {@link LDAPSetter}
* annotations as appropriate to indicate how to convert between the LDAP and
* the Java representations of the content.
*
* @param The type of object handled by this class.
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class LDAPPersister
implements Serializable
{
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -4001743482496453961L;
/**
* An empty array of controls that will be used if none are specified.
*/
private static final Control[] NO_CONTROLS = new Control[0];
/**
* The map of instances created so far.
*/
private static final ConcurrentHashMap,LDAPPersister> INSTANCES =
new ConcurrentHashMap,LDAPPersister>();
// The LDAP object handler that will be used for this class.
private final LDAPObjectHandler handler;
/**
* Creates a new instance of this LDAP persister that will be used to interact
* with objects of the specified type.
*
* @param type The type of object managed by this LDAP persister. It must
* not be {@code null}, and it must be marked with the
* {@link LDAPObject} annotation.
*
* @throws LDAPPersistException If the provided class is not suitable for
* persisting in an LDAP directory server.
*/
private LDAPPersister(final Class type)
throws LDAPPersistException
{
handler = new LDAPObjectHandler(type);
}
/**
* Retrieves an {@code LDAPPersister} instance for use with objects of the
* specified type.
*
* @param The generic type for the {@code LDAPPersister} instance.
* @param type The type of object for which to retrieve the LDAP persister.
* It must not be {@code null}, and it must be marked with the
* {@link LDAPObject} annotation.
*
* @return The {@code LDAPPersister} instance for use with objects of the
* specified type.
*
* @throws LDAPPersistException If the provided class is not suitable for
* persisting in an LDAP directory server.
*/
@SuppressWarnings("unchecked")
public static LDAPPersister getInstance(final Class type)
throws LDAPPersistException
{
ensureNotNull(type);
LDAPPersister p = (LDAPPersister) INSTANCES.get(type);
if (p == null)
{
p = new LDAPPersister(type);
INSTANCES.put(type, p);
}
return p;
}
/**
* Retrieves the {@link LDAPObject} annotation of the class used for objects
* of the associated type.
*
* @return The {@code LDAPObject} annotation of the class used for objects of
* the associated type.
*/
public LDAPObject getLDAPObjectAnnotation()
{
return handler.getLDAPObjectAnnotation();
}
/**
* Retrieves the {@link LDAPObjectHandler} instance associated with this
* LDAP persister class. It provides easy access to information about the
* {@link LDAPObject} annotation and the fields, getters, and setters used
* by the object.
*
* @return The {@code LDAPObjectHandler} instance associated with this LDAP
* persister class.
*/
public LDAPObjectHandler getObjectHandler()
{
return handler;
}
/**
* Constructs a list of LDAP attribute type definitions which may be added to
* the directory server schema to allow it to hold objects of this type. Note
* that the object identifiers used for the constructed attribute type
* definitions are not required to be valid or unique.
*
* @return A list of attribute type definitions that may be used to represent
* objects of the associated type in an LDAP directory.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* generate the list of attribute type
* definitions.
*/
public List constructAttributeTypes()
throws LDAPPersistException
{
return constructAttributeTypes(DefaultOIDAllocator.getInstance());
}
/**
* Constructs a list of LDAP attribute type definitions which may be added to
* the directory server schema to allow it to hold objects of this type. Note
* that the object identifiers used for the constructed attribute type
* definitions are not required to be valid or unique.
*
* @param a The OID allocator to use to generate the object identifiers for
* the constructed attribute types. It must not be {@code null}.
*
* @return A list of attribute type definitions that may be used to represent
* objects of the associated type in an LDAP directory.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* generate the list of attribute type
* definitions.
*/
public List constructAttributeTypes(
final OIDAllocator a)
throws LDAPPersistException
{
final LinkedList attrList =
new LinkedList();
for (final FieldInfo i : handler.getFields().values())
{
attrList.add(i.constructAttributeType(a));
}
for (final GetterInfo i : handler.getGetters().values())
{
attrList.add(i.constructAttributeType(a));
}
return Collections.unmodifiableList(attrList);
}
/**
* Constructs a list of LDAP object class definitions which may be added to
* the directory server schema to allow it to hold objects of this type. Note
* that the object identifiers used for the constructed object class
* definitions are not required to be valid or unique.
*
* @return A list of object class definitions that may be used to represent
* objects of the associated type in an LDAP directory.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* generate the list of object class
* definitions.
*/
public List constructObjectClasses()
throws LDAPPersistException
{
return constructObjectClasses(DefaultOIDAllocator.getInstance());
}
/**
* Constructs a list of LDAP object class definitions which may be added to
* the directory server schema to allow it to hold objects of this type. Note
* that the object identifiers used for the constructed object class
* definitions are not required to be valid or unique.
*
* @param a The OID allocator to use to generate the object identifiers for
* the constructed object classes. It must not be {@code null}.
*
* @return A list of object class definitions that may be used to represent
* objects of the associated type in an LDAP directory.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* generate the list of object class
* definitions.
*/
public List constructObjectClasses(
final OIDAllocator a)
throws LDAPPersistException
{
return handler.constructObjectClasses(a);
}
/**
* Attempts to update the schema for a directory server to ensure that it
* includes the attribute type and object class definitions used to store
* objects of the associated type. It will do this by attempting to add
* values to the attributeTypes and objectClasses attributes to the server
* schema. It will attempt to preserve existing schema elements.
*
* @param i The interface to use to communicate with the directory server.
*
* @return {@code true} if the schema was updated, or {@code false} if all of
* the necessary schema elements were already present.
*
* @throws LDAPException If an error occurs while attempting to update the
* server schema.
*/
public boolean updateSchema(final LDAPInterface i)
throws LDAPException
{
return updateSchema(i, DefaultOIDAllocator.getInstance());
}
/**
* Attempts to update the schema for a directory server to ensure that it
* includes the attribute type and object class definitions used to store
* objects of the associated type. It will do this by attempting to add
* values to the attributeTypes and objectClasses attributes to the server
* schema. It will preserve existing attribute types, and will only modify
* existing object classes if the existing definition does not allow all of
* the attributes needed to store the associated object.
*
* Note that because there is no standard process for altering a directory
* server's schema over LDAP, the approach used by this method may not work
* for all types of directory servers. In addition, some directory servers
* may place restrictions on schema updates, particularly around the
* modification of existing schema elements. This method is provided as a
* convenience, but it may not work as expected in all environments or under
* all conditions.
*
* @param i The interface to use to communicate with the directory server.
* @param a The OID allocator to use ot generate the object identifiers to
* use for the constructed attribute types and object classes. It
* must not be {@code null}.
*
* @return {@code true} if the schema was updated, or {@code false} if all of
* the necessary schema elements were already present.
*
* @throws LDAPException If an error occurs while attempting to update the
* server schema.
*/
public boolean updateSchema(final LDAPInterface i, final OIDAllocator a)
throws LDAPException
{
final Schema s = i.getSchema();
final List generatedTypes =
constructAttributeTypes(a);
final List generatedClasses =
constructObjectClasses(a);
final LinkedList newAttrList = new LinkedList();
for (final AttributeTypeDefinition d : generatedTypes)
{
if (s.getAttributeType(d.getNameOrOID()) == null)
{
newAttrList.add(d.toString());
}
}
final LinkedList newOCList = new LinkedList();
for (final ObjectClassDefinition d : generatedClasses)
{
final ObjectClassDefinition existing = s.getObjectClass(d.getNameOrOID());
if (existing == null)
{
newOCList.add(d.toString());
}
else
{
final Set existingRequired =
existing.getRequiredAttributes(s, true);
final Set existingOptional =
existing.getOptionalAttributes(s, true);
final LinkedHashSet newOptionalNames =
new LinkedHashSet(0);
addMissingAttrs(d.getRequiredAttributes(), existingRequired,
existingOptional, newOptionalNames);
addMissingAttrs(d.getOptionalAttributes(), existingRequired,
existingOptional, newOptionalNames);
if (! newOptionalNames.isEmpty())
{
final LinkedHashSet newOptionalSet =
new LinkedHashSet();
newOptionalSet.addAll(
Arrays.asList(existing.getOptionalAttributes()));
newOptionalSet.addAll(newOptionalNames);
final String[] newOptional = new String[newOptionalSet.size()];
newOptionalSet.toArray(newOptional);
final ObjectClassDefinition newOC = new ObjectClassDefinition(
existing.getOID(), existing.getNames(),
existing.getDescription(), existing.isObsolete(),
existing.getSuperiorClasses(), existing.getObjectClassType(),
existing.getRequiredAttributes(), newOptional,
existing.getExtensions());
newOCList.add(newOC.toString());
}
}
}
final LinkedList mods = new LinkedList();
if (! newAttrList.isEmpty())
{
final String[] newAttrValues = new String[newAttrList.size()];
mods.add(new Modification(ModificationType.ADD,
Schema.ATTR_ATTRIBUTE_TYPE, newAttrList.toArray(newAttrValues)));
}
if (! newOCList.isEmpty())
{
final String[] newOCValues = new String[newOCList.size()];
mods.add(new Modification(ModificationType.ADD,
Schema.ATTR_OBJECT_CLASS, newOCList.toArray(newOCValues)));
}
if (mods.isEmpty())
{
return false;
}
else
{
i.modify(s.getSchemaEntry().getDN(), mods);
return true;
}
}
/**
* Adds any missing attributes to the provided set.
*
* @param names The names of the attributes which may potentially be
* added.
* @param required The existing required definitions.
* @param optional The existing optional definitions.
* @param missing The set to which any missing names should be added.
*/
private static void addMissingAttrs(final String[] names,
final Set required,
final Set optional,
final Set missing)
{
for (final String name : names)
{
boolean found = false;
for (final AttributeTypeDefinition eA : required)
{
if (eA.hasNameOrOID(name))
{
found = true;
break;
}
}
if (! found)
{
for (final AttributeTypeDefinition eA : optional)
{
if (eA.hasNameOrOID(name))
{
found = true;
break;
}
}
if (! found)
{
missing.add(name);
}
}
}
}
/**
* Encodes the provided object to an entry that is suitable for storing it in
* an LDAP directory server.
*
* @param o The object to be encoded. It must not be {@code null}.
* @param parentDN The parent DN to use for the resulting entry. If the
* provided object was previously read from a directory
* server and includes a field marked with the
* {@link LDAPDNField} or {@link LDAPEntryField} annotation,
* then that field may be used to retrieve the actual DN of
* the associated entry. If the actual DN of the associated
* entry is not available, then a DN will be constructed
* from the RDN fields and/or getter methods declared in the
* class. If the provided parent DN is {@code null}, then
* the default parent DN defined in the {@link LDAPObject}
* annotation will be used.
*
* @return An entry containing the encoded representation of the provided
* object. It may be altered by the caller if necessary.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* encode the provided object.
*/
public Entry encode(final T o, final String parentDN)
throws LDAPPersistException
{
ensureNotNull(o);
return handler.encode(o, parentDN);
}
/**
* Creates an object and initializes it with the contents of the provided
* entry.
*
* @param entry The entry to use to create the object. It must not be
* {@code null}.
*
* @return The object created from the provided entry.
*
* @throws LDAPPersistException If an error occurs while attempting to
* create or initialize the object from the
* provided entry.
*/
public T decode(final Entry entry)
throws LDAPPersistException
{
ensureNotNull(entry);
return handler.decode(entry);
}
/**
* Initializes the provided object from the information contained in the
* given entry.
*
* @param o The object to initialize with the contents of the provided
* entry. It must not be {@code null}.
* @param entry The entry to use to create the object. It must not be
* {@code null}.
*
* @throws LDAPPersistException If an error occurs while attempting to
* initialize the object from the provided
* entry. If an exception is thrown, then the
* provided object may or may not have been
* altered.
*/
public void decode(final T o, final Entry entry)
throws LDAPPersistException
{
ensureNotNull(o, entry);
handler.decode(o, entry);
}
/**
* Adds the provided object to the directory server using the provided
* connection.
*
* @param o The object to be added. It must not be {@code null}.
* @param i The interface to use to communicate with the directory
* server. It must not be {@code null}.
* @param parentDN The parent DN to use for the resulting entry. If the
* provided object was previously read from a directory
* server and includes a field marked with the
* {@link LDAPDNField} or {@link LDAPEntryField} annotation,
* then that field may be used to retrieve the actual DN of
* the associated entry. If the actual DN of the associated
* entry is not available, then a DN will be constructed
* from the RDN fields and/or getter methods declared in the
* class. If the provided parent DN is {@code null}, then
* the default parent DN defined in the {@link LDAPObject}
* annotation will be used.
* @param controls An optional set of controls to include in the add
* request.
*
* @return The result of processing the add operation.
*
* @throws LDAPPersistException If a problem occurs while encoding or adding
* the entry.
*/
public LDAPResult add(final T o, final LDAPInterface i, final String parentDN,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(o, i);
final Entry e = encode(o, parentDN);
try
{
final AddRequest addRequest = new AddRequest(e);
if (controls != null)
{
addRequest.setControls(controls);
}
return i.add(addRequest);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
/**
* Deletes the provided object from the directory.
*
* @param o The object to be deleted. It must not be {@code null},
* and it must have been retrieved from the directory and
* have a field with either the {@link LDAPDNField} or
* {@link LDAPEntryField} annotations.
* @param i The interface to use to communicate with the directory
* server. It must not be {@code null}.
* @param controls An optional set of controls to include in the add
* request.
*
* @return The result of processing the delete operation.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* delete the entry.
*/
public LDAPResult delete(final T o, final LDAPInterface i,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(o, i);
final String dn = handler.getEntryDN(o);
if (dn == null)
{
throw new LDAPPersistException(ERR_PERSISTER_DELETE_NO_DN.get());
}
try
{
final DeleteRequest deleteRequest = new DeleteRequest(dn);
if (controls != null)
{
deleteRequest.setControls(controls);
}
return i.delete(deleteRequest);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
/**
* Retrieves a list of modifications that can be used to update the stored
* representation of the provided object in the directory. If the provided
* object was retrieved from the directory using the persistence framework and
* includes a field with the {@link LDAPEntryField} annotation, then that
* entry will be used to make the returned set of modifications as efficient
* as possible. Otherwise, the resulting modifications will include attempts
* to replace every attribute which are associated with fields or getters
* that should be used in modify operations.
*
* @param o The object for which to generate the list of
* modifications. It must not be {@code null}.
* @param deleteNullValues Indicates whether to include modifications that
* may completely remove an attribute from the
* entry if the corresponding field or getter method
* has a value of {@code null}.
* @param attributes The set of LDAP attributes for which to include
* modifications. If this is empty or {@code null},
* then all attributes marked for inclusion in the
* modification will be examined.
*
* @return An unmodifiable list of modifications that can be used to update
* the stored representation of the provided object in the directory.
* It may be empty if there are no differences identified in the
* attributes to be evaluated.
*
* @throws LDAPPersistException If a problem occurs while computing the set
* of modifications.
*/
public List getModifications(final T o,
final boolean deleteNullValues,
final String... attributes)
throws LDAPPersistException
{
ensureNotNull(o);
return handler.getModifications(o, deleteNullValues, attributes);
}
/**
* Updates the stored representation of the provided object in the directory.
* If the provided object was retrieved from the directory using the
* persistence framework and includes a field with the {@link LDAPEntryField}
* annotation, then that entry will be used to make the returned set of
* modifications as efficient as possible. Otherwise, the resulting
* modifications will include attempts to replace every attribute which are
* associated with fields or getters that should be used in modify operations.
* If there are no modifications, then no modification will be attempted, and
* this method will return {@code null} rather than an {@code LDAPResult}.
*
* @param o The object for which to generate the list of
* modifications. It must not be {@code null}.
* @param i The interface to use to communicate with the
* directory server. It must not be {@code null}.
* @param dn The DN to use for the entry. It must not be
* {@code null} if the object was not retrieved from
* the directory using the persistence framework or
* does not have a field marked with the
* {@link LDAPDNField} or {@link LDAPEntryField}
* annotation.
* @param deleteNullValues Indicates whether to include modifications that
* may completely remove an attribute from the
* entry if the corresponding field or getter method
* has a value of {@code null}.
* @param attributes The set of LDAP attributes for which to include
* modifications. If this is empty or {@code null},
* then all attributes marked for inclusion in the
* modification will be examined.
*
* @return The result of processing the modify operation, or {@code null} if
* there were no changes to apply (and therefore no modification was
* performed).
*
* @throws LDAPPersistException If a problem occurs while computing the set
* of modifications.
*/
public LDAPResult modify(final T o, final LDAPInterface i, final String dn,
final boolean deleteNullValues,
final String... attributes)
throws LDAPPersistException
{
return modify(o, i, dn, deleteNullValues, attributes, NO_CONTROLS);
}
/**
* Updates the stored representation of the provided object in the directory.
* If the provided object was retrieved from the directory using the
* persistence framework and includes a field with the {@link LDAPEntryField}
* annotation, then that entry will be used to make the returned set of
* modifications as efficient as possible. Otherwise, the resulting
* modifications will include attempts to replace every attribute which are
* associated with fields or getters that should be used in modify operations.
* If there are no modifications, then no modification will be attempted, and
* this method will return {@code null} rather than an {@code LDAPResult}.
*
* @param o The object for which to generate the list of
* modifications. It must not be {@code null}.
* @param i The interface to use to communicate with the
* directory server. It must not be {@code null}.
* @param dn The DN to use for the entry. It must not be
* {@code null} if the object was not retrieved from
* the directory using the persistence framework or
* does not have a field marked with the
* {@link LDAPDNField} or {@link LDAPEntryField}
* annotation.
* @param deleteNullValues Indicates whether to include modifications that
* may completely remove an attribute from the
* entry if the corresponding field or getter method
* has a value of {@code null}.
* @param attributes The set of LDAP attributes for which to include
* modifications. If this is empty or {@code null},
* then all attributes marked for inclusion in the
* modification will be examined.
* @param controls The optional set of controls to include in the
* modify request.
*
* @return The result of processing the modify operation, or {@code null} if
* there were no changes to apply (and therefore no modification was
* performed).
*
* @throws LDAPPersistException If a problem occurs while computing the set
* of modifications.
*/
public LDAPResult modify(final T o, final LDAPInterface i, final String dn,
final boolean deleteNullValues,
final String[] attributes, final Control... controls)
throws LDAPPersistException
{
ensureNotNull(o, i);
final List mods =
handler.getModifications(o, deleteNullValues, attributes);
if (mods.isEmpty())
{
return null;
}
final String targetDN;
if (dn == null)
{
targetDN = handler.getEntryDN(o);
if (targetDN == null)
{
throw new LDAPPersistException(ERR_PERSISTER_MODIFY_NO_DN.get());
}
}
else
{
targetDN = dn;
}
try
{
final ModifyRequest modifyRequest = new ModifyRequest(targetDN, mods);
if (controls != null)
{
modifyRequest.setControls(controls);
}
return i.modify(modifyRequest);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
/**
* Attempts to perform a simple bind as the user specified by the given object
* on the provided connection. The object should represent some kind of entry
* capable suitable for use as the target of a simple bind operation.
*
* If the provided object was retrieved from the directory and has either an
* {@link LDAPDNField} or {@link LDAPEntryField}, then that field will be used
* to obtain the DN. Otherwise, a search will be performed to try to find the
* entry that corresponds to the provided object.
*
* @param o The object representing the user as whom to bind. It
* must not be {@code null}.
* @param baseDN The base DN to use if it is necessary to search for the
* entry. It may be {@code null} if the
* {@link LDAPObject#defaultParentDN} element in the
* {@code LDAPObject} should be used as the base DN.
* @param password The password to use for the bind. It must not be
* {@code null}.
* @param c The connection to be authenticated. It must not be
* {@code null}.
* @param controls An optional set of controls to include in the bind
* request. It may be empty or {@code null} if no controls
* are needed.
*
* @return The result of processing the bind operation.
*
* @throws LDAPException If a problem occurs while attempting to process the
* search or bind operation.
*/
public BindResult bind(final T o, final String baseDN, final String password,
final LDAPConnection c, final Control... controls)
throws LDAPException
{
ensureNotNull(o, password, c);
String dn = handler.getEntryDN(o);
if (dn == null)
{
String base = baseDN;
if (base == null)
{
base = handler.getDefaultParentDN().toString();
}
final SearchRequest r = new SearchRequest(base, SearchScope.SUB,
handler.createFilter(o), SearchRequest.NO_ATTRIBUTES);
r.setSizeLimit(1);
final Entry e = c.searchForEntry(r);
if (e == null)
{
throw new LDAPException(ResultCode.NO_RESULTS_RETURNED,
ERR_PERSISTER_BIND_NO_ENTRY_FOUND.get());
}
else
{
dn = e.getDN();
}
}
return c.bind(new SimpleBindRequest(dn, password, controls));
}
/**
* Constructs the DN of the associated entry from the provided object and
* parent DN and retrieves the contents of that entry as a new instance of
* that object.
*
* @param o An object instance to use to construct the DN of the
* entry to retrieve. It must not be {@code null}, and all
* fields and/or getter methods marked for inclusion in the
* entry RDN must have non-{@code null} values.
* @param i The interface to use to communicate with the directory
* server. It must not be {@code null}.
* @param parentDN The parent DN to use for the entry to retrieve. If the
* provided object was previously read from a directory
* server and includes a field marked with the
* {@link LDAPDNField} or {@link LDAPEntryField} annotation,
* then that field may be used to retrieve the actual DN of
* the associated entry. If the actual DN of the target
* entry is not available, then a DN will be constructed
* from the RDN fields and/or getter methods declared in the
* class and this parent DN. If the provided parent DN is
* {@code null}, then the default parent DN defined in the
* {@link LDAPObject} annotation will be used.
*
* @return The object read from the entry with the provided DN, or
* {@code null} if no entry exists with the constructed DN.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* construct the entry DN, retrieve the
* corresponding entry or decode it as an
* object.
*/
public T get(final T o, final LDAPInterface i, final String parentDN)
throws LDAPPersistException
{
final String dn = handler.constructDN(o, parentDN);
final Entry entry;
try
{
entry = i.getEntry(dn, handler.getAttributesToRequest());
if (entry == null)
{
return null;
}
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
return decode(entry);
}
/**
* Retrieves the object from the directory entry with the provided DN.
*
* @param dn The DN of the entry to retrieve and decode. It must not be
* {@code null}.
* @param i The interface to use to communicate with the directory server.
* It must not be {@code null}.
*
* @return The object read from the entry with the provided DN, or
* {@code null} if no entry exists with the provided DN.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* retrieve the specified entry or decode it
* as an object.
*/
public T get(final String dn, final LDAPInterface i)
throws LDAPPersistException
{
final Entry entry;
try
{
entry = i.getEntry(dn, handler.getAttributesToRequest());
if (entry == null)
{
return null;
}
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
return decode(entry);
}
/**
* Initializes any fields in the provided object marked for lazy loading.
*
* @param o The object to be updated. It must not be {@code null}.
* @param i The interface to use to communicate with the directory
* server. It must not be {@code null}.
* @param fields The set of fields that should be loaded. Any fields
* included in this list which aren't marked for lazy loading
* will be ignored. If this is empty or {@code null}, then
* all lazily-loaded fields will be requested.
*
* @throws LDAPPersistException If a problem occurs while attempting to
* retrieve or process the associated entry.
* If an exception is thrown, then all content
* from the provided object that is not lazily
* loaded should remain valid, and some
* lazily-loaded fields may have been
* initialized.
*/
public void lazilyLoad(final T o, final LDAPInterface i,
final FieldInfo... fields)
throws LDAPPersistException
{
ensureNotNull(o, i);
final String[] attrs;
if ((fields == null) || (fields.length == 0))
{
attrs = handler.getLazilyLoadedAttributes();
}
else
{
final ArrayList attrList = new ArrayList(fields.length);
for (final FieldInfo f : fields)
{
if (f.lazilyLoad())
{
attrList.add(f.getAttributeName());
}
}
attrs = new String[attrList.size()];
attrList.toArray(attrs);
}
if (attrs.length == 0)
{
return;
}
final String dn = handler.getEntryDN(o);
if (dn == null)
{
throw new LDAPPersistException(ERR_PERSISTER_LAZILY_LOAD_NO_DN.get());
}
final Entry entry;
try
{
entry = i.getEntry(handler.getEntryDN(o), attrs);
}
catch (final LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
if (entry == null)
{
throw new LDAPPersistException(
ERR_PERSISTER_LAZILY_LOAD_NO_ENTRY.get(dn));
}
boolean successful = true;
final ArrayList failureReasons = new ArrayList(5);
final Map fieldMap = handler.getFields();
for (final Attribute a : entry.getAttributes())
{
final String lowerName = toLowerCase(a.getName());
final FieldInfo f = fieldMap.get(lowerName);
if (f != null)
{
successful &= f.decode(o, entry, failureReasons);
}
}
if (! successful)
{
throw new LDAPPersistException(concatenateStrings(failureReasons), o,
null);
}
}
/**
* Performs a search in the directory for objects matching the contents of the
* provided object. A search filter will be generated from the provided
* object containing all non-{@code null} values from fields and getter
* methods whose {@link LDAPField} or {@link LDAPGetter} annotation has
* the {@code inFilter} element set to {@code true}.
*
* The search performed will be a subtree search using a base DN equal to the
* {@link LDAPObject#defaultParentDN} element in the {@code LDAPObject}
* annotation. It will not enforce a client-side time limit or size limit.
*
* Note that this method requires an {@link LDAPConnection} argument rather
* than using the more generic {@link LDAPInterface} type because the search
* is invoked as an asynchronous operation, which is not supported by the
* generic {@code LDAPInterface} interface. It also means that the provided
* connection must not be configured to operate in synchronous mode (via the
* {@link com.unboundid.ldap.sdk.LDAPConnectionOptions#setUseSynchronousMode}
* option).
*
* @param o The object to use to construct the search filter. It must not
* be {@code null}.
* @param c The connection to use to communicate with the directory server.
* It must not be {@code null}.
*
* @return A results object that may be used to iterate through the objects
* returned from the search.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public PersistedObjects search(final T o, final LDAPConnection c)
throws LDAPPersistException
{
return search(o, c, null, SearchScope.SUB, DereferencePolicy.NEVER, 0, 0,
null, NO_CONTROLS);
}
/**
* Performs a search in the directory for objects matching the contents of the
* provided object. A search filter will be generated from the provided
* object containing all non-{@code null} values from fields and getter
* methods whose {@link LDAPField} or {@link LDAPGetter} annotation has
* the {@code inFilter} element set to {@code true}.
*
* Note that this method requires an {@link LDAPConnection} argument rather
* than using the more generic {@link LDAPInterface} type because the search
* is invoked as an asynchronous operation, which is not supported by the
* generic {@code LDAPInterface} interface. It also means that the provided
* connection must not be configured to operate in synchronous mode (via the
* {@link com.unboundid.ldap.sdk.LDAPConnectionOptions#setUseSynchronousMode}
* option).
*
* @param o The object to use to construct the search filter. It must
* not be {@code null}.
* @param c The connection to use to communicate with the directory
* server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be {@code null}
* if the {@link LDAPObject#defaultParentDN} element in the
* {@code LDAPObject} should be used as the base DN.
* @param scope The scope to use for the search operation. It must not be
* {@code null}.
*
* @return A results object that may be used to iterate through the objects
* returned from the search.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public PersistedObjects search(final T o, final LDAPConnection c,
final String baseDN,
final SearchScope scope)
throws LDAPPersistException
{
return search(o, c, baseDN, scope, DereferencePolicy.NEVER, 0, 0, null,
NO_CONTROLS);
}
/**
* Performs a search in the directory for objects matching the contents of
* the provided object. A search filter will be generated from the provided
* object containing all non-{@code null} values from fields and getter
* methods whose {@link LDAPField} or {@link LDAPGetter} annotation has
* the {@code inFilter} element set to {@code true}.
*
* Note that this method requires an {@link LDAPConnection} argument rather
* than using the more generic {@link LDAPInterface} type because the search
* is invoked as an asynchronous operation, which is not supported by the
* generic {@code LDAPInterface} interface. It also means that the provided
* connection must not be configured to operate in synchronous mode (via the
* {@link com.unboundid.ldap.sdk.LDAPConnectionOptions#setUseSynchronousMode}
* option).
*
* @param o The object to use to construct the search filter. It
* must not be {@code null}.
* @param c The connection to use to communicate with the
* directory server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be
* {@code null} if the {@link LDAPObject#defaultParentDN}
* element in the {@code LDAPObject} should be used as
* the base DN.
* @param scope The scope to use for the search operation. It must
* not be {@code null}.
* @param derefPolicy The dereference policy to use for the search
* operation. It must not be {@code null}.
* @param sizeLimit The maximum number of entries to retrieve from the
* directory. A value of zero indicates that no
* client-requested size limit should be enforced.
* @param timeLimit The maximum length of time in seconds that the server
* should spend processing the search. A value of zero
* indicates that no client-requested time limit should
* be enforced.
* @param extraFilter An optional additional filter to be ANDed with the
* filter generated from the provided object. If this is
* {@code null}, then only the filter generated from the
* object will be used.
* @param controls An optional set of controls to include in the search
* request. It may be empty or {@code null} if no
* controls are needed.
*
* @return A results object that may be used to iterate through the objects
* returned from the search.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public PersistedObjects search(final T o, final LDAPConnection c,
final String baseDN,
final SearchScope scope,
final DereferencePolicy derefPolicy,
final int sizeLimit, final int timeLimit,
final Filter extraFilter,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(o, c, scope, derefPolicy);
final String base;
if (baseDN == null)
{
base = handler.getDefaultParentDN().toString();
}
else
{
base = baseDN;
}
final Filter filter;
if (extraFilter == null)
{
filter = handler.createFilter(o);
}
else
{
filter = Filter.createANDFilter(handler.createFilter(o), extraFilter);
}
final SearchRequest searchRequest = new SearchRequest(base, scope,
derefPolicy, sizeLimit, timeLimit, false, filter,
handler.getAttributesToRequest());
if (controls != null)
{
searchRequest.setControls(controls);
}
final LDAPEntrySource entrySource;
try
{
entrySource = new LDAPEntrySource(c, searchRequest, false);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
return new PersistedObjects(this, entrySource);
}
/**
* Performs a search in the directory for objects matching the contents of the
* provided object. A search filter will be generated from the provided
* object containing all non-{@code null} values from fields and getter
* methods whose {@link LDAPField} or {@link LDAPGetter} annotation has
* the {@code inFilter} element set to {@code true}.
*
* The search performed will be a subtree search using a base DN equal to the
* {@link LDAPObject#defaultParentDN} element in the {@code LDAPObject}
* annotation. It will not enforce a client-side time limit or size limit.
*
* @param o The object to use to construct the search filter. It must not
* be {@code null}.
* @param i The interface to use to communicate with the directory server.
* It must not be {@code null}.
* @param l The object search result listener that will be used to receive
* objects decoded from entries returned for the search. It must
* not be {@code null}.
*
* @return The result of the search operation that was processed.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public SearchResult search(final T o, final LDAPInterface i,
final ObjectSearchListener l)
throws LDAPPersistException
{
return search(o, i, null, SearchScope.SUB, DereferencePolicy.NEVER, 0, 0,
null, l, NO_CONTROLS);
}
/**
* Performs a search in the directory for objects matching the contents of the
* provided object. A search filter will be generated from the provided
* object containing all non-{@code null} values from fields and getter
* methods whose {@link LDAPField} or {@link LDAPGetter} annotation has
* the {@code inFilter} element set to {@code true}.
*
* @param o The object to use to construct the search filter. It must
* not be {@code null}.
* @param i The interface to use to communicate with the directory
* server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be {@code null}
* if the {@link LDAPObject#defaultParentDN} element in the
* {@code LDAPObject} should be used as the base DN.
* @param scope The scope to use for the search operation. It must not be
* {@code null}.
* @param l The object search result listener that will be used to
* receive objects decoded from entries returned for the
* search. It must not be {@code null}.
*
* @return The result of the search operation that was processed.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public SearchResult search(final T o, final LDAPInterface i,
final String baseDN, final SearchScope scope,
final ObjectSearchListener l)
throws LDAPPersistException
{
return search(o, i, baseDN, scope, DereferencePolicy.NEVER, 0, 0, null, l,
NO_CONTROLS);
}
/**
* Performs a search in the directory for objects matching the contents of
* the provided object. A search filter will be generated from the provided
* object containing all non-{@code null} values from fields and getter
* methods whose {@link LDAPField} or {@link LDAPGetter} annotation has
* the {@code inFilter} element set to {@code true}.
*
* @param o The object to use to construct the search filter. It
* must not be {@code null}.
* @param i The connection to use to communicate with the
* directory server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be
* {@code null} if the {@link LDAPObject#defaultParentDN}
* element in the {@code LDAPObject} should be used as
* the base DN.
* @param scope The scope to use for the search operation. It must
* not be {@code null}.
* @param derefPolicy The dereference policy to use for the search
* operation. It must not be {@code null}.
* @param sizeLimit The maximum number of entries to retrieve from the
* directory. A value of zero indicates that no
* client-requested size limit should be enforced.
* @param timeLimit The maximum length of time in seconds that the server
* should spend processing the search. A value of zero
* indicates that no client-requested time limit should
* be enforced.
* @param extraFilter An optional additional filter to be ANDed with the
* filter generated from the provided object. If this is
* {@code null}, then only the filter generated from the
* object will be used.
* @param l The object search result listener that will be used
* to receive objects decoded from entries returned for
* the search. It must not be {@code null}.
* @param controls An optional set of controls to include in the search
* request. It may be empty or {@code null} if no
* controls are needed.
*
* @return The result of the search operation that was processed.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public SearchResult search(final T o, final LDAPInterface i,
final String baseDN, final SearchScope scope,
final DereferencePolicy derefPolicy,
final int sizeLimit, final int timeLimit,
final Filter extraFilter,
final ObjectSearchListener l,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(o, i, scope, derefPolicy, l);
final String base;
if (baseDN == null)
{
base = handler.getDefaultParentDN().toString();
}
else
{
base = baseDN;
}
final Filter filter;
if (extraFilter == null)
{
filter = handler.createFilter(o);
}
else
{
filter = Filter.simplifyFilter(
Filter.createANDFilter(handler.createFilter(o), extraFilter), true);
}
final SearchListenerBridge bridge = new SearchListenerBridge(this, l);
final SearchRequest searchRequest = new SearchRequest(bridge, base, scope,
derefPolicy, sizeLimit, timeLimit, false, filter,
handler.getAttributesToRequest());
if (controls != null)
{
searchRequest.setControls(controls);
}
try
{
return i.search(searchRequest);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
/**
* Performs a search in the directory using the provided search criteria and
* decodes all entries returned as objects of the associated type.
*
* @param c The connection to use to communicate with the
* directory server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be
* {@code null} if the {@link LDAPObject#defaultParentDN}
* element in the {@code LDAPObject} should be used as
* the base DN.
* @param scope The scope to use for the search operation. It must
* not be {@code null}.
* @param derefPolicy The dereference policy to use for the search
* operation. It must not be {@code null}.
* @param sizeLimit The maximum number of entries to retrieve from the
* directory. A value of zero indicates that no
* client-requested size limit should be enforced.
* @param timeLimit The maximum length of time in seconds that the server
* should spend processing the search. A value of zero
* indicates that no client-requested time limit should
* be enforced.
* @param filter The filter to use for the search. It must not be
* {@code null}. It will automatically be ANDed with a
* filter that will match entries with the structural and
* auxiliary classes.
* @param controls An optional set of controls to include in the search
* request. It may be empty or {@code null} if no
* controls are needed.
*
* @return The result of the search operation that was processed.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public PersistedObjects search(final LDAPConnection c, final String baseDN,
final SearchScope scope,
final DereferencePolicy derefPolicy,
final int sizeLimit, final int timeLimit,
final Filter filter,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(c, scope, derefPolicy, filter);
final String base;
if (baseDN == null)
{
base = handler.getDefaultParentDN().toString();
}
else
{
base = baseDN;
}
final Filter f = Filter.createANDFilter(filter, handler.createBaseFilter());
final SearchRequest searchRequest = new SearchRequest(base, scope,
derefPolicy, sizeLimit, timeLimit, false, f,
handler.getAttributesToRequest());
if (controls != null)
{
searchRequest.setControls(controls);
}
final LDAPEntrySource entrySource;
try
{
entrySource = new LDAPEntrySource(c, searchRequest, false);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
return new PersistedObjects(this, entrySource);
}
/**
* Performs a search in the directory using the provided search criteria and
* decodes all entries returned as objects of the associated type.
*
* @param i The connection to use to communicate with the
* directory server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be
* {@code null} if the {@link LDAPObject#defaultParentDN}
* element in the {@code LDAPObject} should be used as
* the base DN.
* @param scope The scope to use for the search operation. It must
* not be {@code null}.
* @param derefPolicy The dereference policy to use for the search
* operation. It must not be {@code null}.
* @param sizeLimit The maximum number of entries to retrieve from the
* directory. A value of zero indicates that no
* client-requested size limit should be enforced.
* @param timeLimit The maximum length of time in seconds that the server
* should spend processing the search. A value of zero
* indicates that no client-requested time limit should
* be enforced.
* @param filter The filter to use for the search. It must not be
* {@code null}. It will automatically be ANDed with a
* filter that will match entries with the structural and
* auxiliary classes.
* @param l The object search result listener that will be used
* to receive objects decoded from entries returned for
* the search. It must not be {@code null}.
* @param controls An optional set of controls to include in the search
* request. It may be empty or {@code null} if no
* controls are needed.
*
* @return The result of the search operation that was processed.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public SearchResult search(final LDAPInterface i, final String baseDN,
final SearchScope scope,
final DereferencePolicy derefPolicy,
final int sizeLimit, final int timeLimit,
final Filter filter,
final ObjectSearchListener l,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(i, scope, derefPolicy, filter, l);
final String base;
if (baseDN == null)
{
base = handler.getDefaultParentDN().toString();
}
else
{
base = baseDN;
}
final Filter f = Filter.simplifyFilter(
Filter.createANDFilter(filter, handler.createBaseFilter()), true);
final SearchListenerBridge bridge = new SearchListenerBridge(this, l);
final SearchRequest searchRequest = new SearchRequest(bridge, base, scope,
derefPolicy, sizeLimit, timeLimit, false, f,
handler.getAttributesToRequest());
if (controls != null)
{
searchRequest.setControls(controls);
}
try
{
return i.search(searchRequest);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
/**
* Performs a search in the directory to retrieve the object whose contents
* match the contents of the provided object. It is expected that at most one
* entry matches the provided criteria, and that it can be decoded as an
* object of the associated type. If multiple entries match the resulting
* criteria, or if the matching entry cannot be decoded as the associated type
* of object, then an exception will be thrown.
*
* A search filter will be generated from the provided object containing all
* non-{@code null} values from fields and getter methods whose
* {@link LDAPField} or {@link LDAPGetter} annotation has the {@code inFilter}
* element set to {@code true}.
*
* The search performed will be a subtree search using a base DN equal to the
* {@link LDAPObject#defaultParentDN} element in the {@code LDAPObject}
* annotation. It will not enforce a client-side time limit or size limit.
*
* @param o The object to use to construct the search filter. It must not
* be {@code null}.
* @param i The interface to use to communicate with the directory server.
* It must not be {@code null}.
*
* @return The object constructed from the entry returned by the search, or
* {@code null} if no entry was returned.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request or decoding the
* entry that was returned.
*/
public T searchForObject(final T o, final LDAPInterface i)
throws LDAPPersistException
{
return searchForObject(o, i, null, SearchScope.SUB, DereferencePolicy.NEVER,
0, 0, null, NO_CONTROLS);
}
/**
* Performs a search in the directory to retrieve the object whose contents
* match the contents of the provided object. It is expected that at most one
* entry matches the provided criteria, and that it can be decoded as an
* object of the associated type. If multiple entries match the resulting
* criteria, or if the matching entry cannot be decoded as the associated type
* of object, then an exception will be thrown.
*
* A search filter will be generated from the provided object containing all
* non-{@code null} values from fields and getter methods whose
* {@link LDAPField} or {@link LDAPGetter} annotation has the {@code inFilter}
* element set to {@code true}.
*
* @param o The object to use to construct the search filter. It must
* not be {@code null}.
* @param i The interface to use to communicate with the directory
* server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be {@code null}
* if the {@link LDAPObject#defaultParentDN} element in the
* {@code LDAPObject} should be used as the base DN.
* @param scope The scope to use for the search operation. It must not be
* {@code null}.
*
* @return The object constructed from the entry returned by the search, or
* {@code null} if no entry was returned.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request or decoding the
* entry that was returned.
*/
public T searchForObject(final T o, final LDAPInterface i,
final String baseDN, final SearchScope scope)
throws LDAPPersistException
{
return searchForObject(o, i, baseDN, scope, DereferencePolicy.NEVER, 0, 0,
null, NO_CONTROLS);
}
/**
* Performs a search in the directory to retrieve the object whose contents
* match the contents of the provided object. It is expected that at most one
* entry matches the provided criteria, and that it can be decoded as an
* object of the associated type. If multiple entries match the resulting
* criteria, or if the matching entry cannot be decoded as the associated type
* of object, then an exception will be thrown.
*
* A search filter will be generated from the provided object containing all
* non-{@code null} values from fields and getter methods whose
* {@link LDAPField} or {@link LDAPGetter} annotation has the {@code inFilter}
* element set to {@code true}.
*
* @param o The object to use to construct the search filter. It
* must not be {@code null}.
* @param i The connection to use to communicate with the
* directory server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be
* {@code null} if the {@link LDAPObject#defaultParentDN}
* element in the {@code LDAPObject} should be used as
* the base DN.
* @param scope The scope to use for the search operation. It must
* not be {@code null}.
* @param derefPolicy The dereference policy to use for the search
* operation. It must not be {@code null}.
* @param sizeLimit The maximum number of entries to retrieve from the
* directory. A value of zero indicates that no
* client-requested size limit should be enforced.
* @param timeLimit The maximum length of time in seconds that the server
* should spend processing the search. A value of zero
* indicates that no client-requested time limit should
* be enforced.
* @param extraFilter An optional additional filter to be ANDed with the
* filter generated from the provided object. If this is
* {@code null}, then only the filter generated from the
* object will be used.
* @param controls An optional set of controls to include in the search
* request. It may be empty or {@code null} if no
* controls are needed.
*
* @return The object constructed from the entry returned by the search, or
* {@code null} if no entry was returned.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request or decoding the
* entry that was returned.
*/
public T searchForObject(final T o, final LDAPInterface i,
final String baseDN, final SearchScope scope,
final DereferencePolicy derefPolicy,
final int sizeLimit, final int timeLimit,
final Filter extraFilter, final Control... controls)
throws LDAPPersistException
{
ensureNotNull(o, i, scope, derefPolicy);
final String base;
if (baseDN == null)
{
base = handler.getDefaultParentDN().toString();
}
else
{
base = baseDN;
}
final Filter filter;
if (extraFilter == null)
{
filter = handler.createFilter(o);
}
else
{
filter = Filter.simplifyFilter(
Filter.createANDFilter(handler.createFilter(o), extraFilter), true);
}
final SearchRequest searchRequest = new SearchRequest(base, scope,
derefPolicy, sizeLimit, timeLimit, false, filter,
handler.getAttributesToRequest());
if (controls != null)
{
searchRequest.setControls(controls);
}
try
{
final Entry e = i.searchForEntry(searchRequest);
if (e == null)
{
return null;
}
else
{
return decode(e);
}
}
catch (LDAPPersistException lpe)
{
debugException(lpe);
throw lpe;
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
/**
* Performs a search in the directory with an attempt to find all objects of
* the specified type below the given base DN (or below the default parent DN
* if no base DN is specified). Note that this may result in an unindexed
* search, which may be expensive to conduct. Some servers may require
* special permissions of clients wishing to perform unindexed searches.
*
* @param i The connection to use to communicate with the
* directory server. It must not be {@code null}.
* @param baseDN The base DN to use for the search. It may be
* {@code null} if the {@link LDAPObject#defaultParentDN}
* element in the {@code LDAPObject} should be used as the
* base DN.
* @param l The object search result listener that will be used to
* receive objects decoded from entries returned for the
* search. It must not be {@code null}.
* @param controls An optional set of controls to include in the search
* request. It may be empty or {@code null} if no controls
* are needed.
*
* @return The result of the search operation that was processed.
*
* @throws LDAPPersistException If an error occurs while preparing or
* sending the search request.
*/
public SearchResult getAll(final LDAPInterface i, final String baseDN,
final ObjectSearchListener l,
final Control... controls)
throws LDAPPersistException
{
ensureNotNull(i, l);
final String base;
if (baseDN == null)
{
base = handler.getDefaultParentDN().toString();
}
else
{
base = baseDN;
}
final SearchListenerBridge bridge = new SearchListenerBridge(this, l);
final SearchRequest searchRequest = new SearchRequest(bridge, base,
SearchScope.SUB, DereferencePolicy.NEVER, 0, 0, false,
handler.createBaseFilter(), handler.getAttributesToRequest());
if (controls != null)
{
searchRequest.setControls(controls);
}
try
{
return i.search(searchRequest);
}
catch (LDAPException le)
{
debugException(le);
throw new LDAPPersistException(le);
}
}
}
