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/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.quorum.namespace;
import java.util.Hashtable;
import javax.naming.Binding;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NameClassPair;
import javax.naming.NameNotFoundException;
import javax.naming.NameParser;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.OperationNotSupportedException;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.ModificationItem;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import org.smallmind.quorum.namespace.backingStore.NameTranslator;
public class JavaContext implements DirContext {
public static final String CONNECTION_DETAILS = "org.smallmind.quorum.namespace.java.connection details";
public static final String CONTEXT_STORE = "org.smallmind.quorum.namespace.java.store";
public static final String CONTEXT_MODIFIABLE = "org.smallmind.quorum.namespace.java.modifiable";
public static final String POOLED_CONNECTION = "org.smallmind.quorum.namespace.java.pooled";
private final Hashtable environment;
private final DirContext internalContext;
private final NameTranslator nameTranslator;
private final JavaNameParser nameParser;
private final boolean modifiable;
private final boolean pooled;
protected JavaContext (NameTranslator nameTranslator, Hashtable environment, boolean modifiable, boolean pooled) {
this.nameTranslator = nameTranslator;
this.environment = environment;
this.modifiable = modifiable;
this.pooled = pooled;
internalContext = null;
nameParser = new JavaNameParser(nameTranslator);
}
protected JavaContext (Hashtable environment, DirContext internalContext, NameTranslator nameTranslator, JavaNameParser nameParser, boolean modifiable) {
this.environment = environment;
this.internalContext = internalContext;
this.nameTranslator = nameTranslator;
this.nameParser = nameParser;
this.modifiable = modifiable;
pooled = false;
}
public static JavaContext insureContext (JavaContext javaContext, String namingPath)
throws NamingException {
JavaContext lastContext = javaContext;
StringBuilder pathSoFar;
String[] pathArray;
pathArray = namingPath.split("/", -1);
pathSoFar = new StringBuilder();
for (int count = pathArray.length - 1; count >= 0; count--) {
if (pathSoFar.length() > 0) {
pathSoFar.insert(0, '/');
}
pathSoFar.insert(0, pathArray[count]);
try {
lastContext = (JavaContext)javaContext.lookup(pathSoFar.toString());
} catch (NameNotFoundException n) {
lastContext = (JavaContext)javaContext.createSubcontext(pathSoFar.toString());
}
}
return lastContext;
}
public Object lookup (Name name)
throws NamingException {
ContextNamePair contextNamePair;
Object lookupObject;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
lookupObject = contextNamePair.getContext().lookup(contextNamePair.getName());
if (lookupObject.getClass().equals(contextNamePair.getContext().getClass())) {
if (pooled) {
return new PooledJavaContext(environment, (DirContext)lookupObject, nameTranslator, nameParser, modifiable);
} else {
return new JavaContext(environment, (DirContext)lookupObject, nameTranslator, nameParser, modifiable);
}
}
return lookupObject;
}
public Object lookup (String name)
throws NamingException {
return lookup(nameParser.parse(name));
}
public void bind (Name name, Object obj)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().bind(contextNamePair.getName(), obj);
}
public void bind (String name, Object obj)
throws NamingException {
bind(nameParser.parse(name), obj);
}
public void rebind (Name name, Object obj)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().rebind(contextNamePair.getName(), obj);
}
public void rebind (String name, Object obj)
throws NamingException {
rebind(nameParser.parse(name), obj);
}
public void unbind (Name name)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().unbind(contextNamePair.getName());
}
public void unbind (String name)
throws NamingException {
unbind(nameParser.parse(name));
}
public void rename (Name oldName, Name newName)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, oldName);
contextNamePair.getContext().rename(contextNamePair.getName(), nameTranslator.fromInternalNameToExternalName(newName));
}
public void rename (String oldName, String newName)
throws NamingException {
rename(nameParser.parse(oldName), nameParser.parse(newName));
}
public NamingEnumeration list (Name name)
throws NamingException {
ContextNamePair contextNamePair;
NamingEnumeration internalEnumeration;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
if ((internalEnumeration = contextNamePair.getContext().list(contextNamePair.getName())) != null) {
return new JavaNamingEnumeration(NameClassPair.class, internalEnumeration, contextNamePair.getContext().getClass(), environment, nameTranslator, nameParser, modifiable);
}
return null;
}
public NamingEnumeration list (String name)
throws NamingException {
return list(nameParser.parse(name));
}
public NamingEnumeration listBindings (Name name)
throws NamingException {
ContextNamePair contextNamePair;
NamingEnumeration internalEnumeration;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
if ((internalEnumeration = contextNamePair.getContext().listBindings(contextNamePair.getName())) != null) {
return new JavaNamingEnumeration(Binding.class, internalEnumeration, contextNamePair.getContext().getClass(), environment, nameTranslator, nameParser, modifiable);
}
return null;
}
public NamingEnumeration listBindings (String name)
throws NamingException {
return listBindings(nameParser.parse(name));
}
public void destroySubcontext (Name name)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().destroySubcontext(contextNamePair.getName());
}
public void destroySubcontext (String name)
throws NamingException {
destroySubcontext(nameParser.parse(name));
}
public Context createSubcontext (Name name)
throws NamingException {
ContextNamePair contextNamePair;
Context createdContext;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
createdContext = contextNamePair.getContext().createSubcontext(contextNamePair.getName());
return new JavaContext(environment, (DirContext)createdContext, nameTranslator, nameParser, modifiable);
}
public Context createSubcontext (String name)
throws NamingException {
return createSubcontext(nameParser.parse(name));
}
public Object lookupLink (Name name)
throws NamingException {
ContextNamePair contextNamePair;
Object lookupObject;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
lookupObject = contextNamePair.getContext().lookupLink(contextNamePair.getName());
if (lookupObject.getClass().equals(contextNamePair.getContext().getClass())) {
return new JavaContext(environment, (DirContext)lookupObject, nameTranslator, nameParser, modifiable);
}
return lookupObject;
}
public Object lookupLink (String name)
throws NamingException {
return lookupLink(nameParser.parse(name));
}
public NameParser getNameParser (Name name)
throws NamingException {
return nameParser;
}
public NameParser getNameParser (String name)
throws NamingException {
return getNameParser(nameParser.parse(name));
}
public Name composeName (Name name, Name prefix)
throws NamingException {
return ((Name)prefix.clone()).addAll(name);
}
public String composeName (String name, String prefix)
throws NamingException {
return nameParser.unparse(composeName(nameParser.parse(name), nameParser.parse(prefix)));
}
public Object addToEnvironment (String propName, Object propVal)
throws NamingException {
Object prevObject;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
prevObject = environment.get(propName);
environment.put(propName, propVal);
return prevObject;
}
public Object removeFromEnvironment (String propName)
throws NamingException {
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
return environment.remove(propName);
}
public Hashtable getEnvironment ()
throws NamingException {
return environment;
}
public void close ()
throws NamingException {
if (internalContext != null) {
internalContext.close();
}
}
public String getNameInNamespace ()
throws NamingException {
return nameTranslator.fromAbsoluteExternalStringToInternalString(internalContext.getNameInNamespace());
}
public Attributes getAttributes (Name name)
throws NamingException {
ContextNamePair contextNamePair;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
return contextNamePair.getContext().getAttributes(contextNamePair.getName());
}
public Attributes getAttributes (String name)
throws NamingException {
return getAttributes(nameParser.parse(name));
}
public Attributes getAttributes (Name name, String[] attrIds)
throws NamingException {
ContextNamePair contextNamePair;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
return contextNamePair.getContext().getAttributes(contextNamePair.getName(), attrIds);
}
public Attributes getAttributes (String name, String[] attrIds)
throws NamingException {
return getAttributes(nameParser.parse(name), attrIds);
}
public void modifyAttributes (Name name, int mod_op, Attributes attrs)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().modifyAttributes(contextNamePair.getName(), mod_op, attrs);
}
public void modifyAttributes (String name, int mod_op, Attributes attrs)
throws NamingException {
modifyAttributes(nameParser.parse(name), mod_op, attrs);
}
public void modifyAttributes (Name name, ModificationItem[] mods)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().modifyAttributes(contextNamePair.getName(), mods);
}
public void modifyAttributes (String name, ModificationItem[] mods)
throws NamingException {
modifyAttributes(nameParser.parse(name), mods);
}
public void bind (Name name, Object obj, Attributes attrs)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().bind(contextNamePair.getName(), obj, attrs);
}
public void bind (String name, Object obj, Attributes attrs)
throws NamingException {
bind(nameParser.parse(name), obj, attrs);
}
public void rebind (Name name, Object obj, Attributes attrs)
throws NamingException {
ContextNamePair contextNamePair;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
contextNamePair.getContext().rebind(contextNamePair.getName(), obj, attrs);
}
public void rebind (String name, Object obj, Attributes attrs)
throws NamingException {
rebind(nameParser.parse(name), obj, attrs);
}
public DirContext createSubcontext (Name name, Attributes attrs)
throws NamingException {
ContextNamePair contextNamePair;
Context createdContext;
if (!modifiable) {
throw new OperationNotSupportedException("This backing store is not modifiable");
}
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
createdContext = contextNamePair.getContext().createSubcontext(contextNamePair.getName(), attrs);
return new JavaContext(environment, (DirContext)createdContext, nameTranslator, nameParser, modifiable);
}
public DirContext createSubcontext (String name, Attributes attrs)
throws NamingException {
return createSubcontext(nameParser.parse(name), attrs);
}
public DirContext getSchema (Name name)
throws NamingException {
ContextNamePair contextNamePair;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
return contextNamePair.getContext().getSchema(contextNamePair.getName());
}
public DirContext getSchema (String name)
throws NamingException {
return getSchema(nameParser.parse(name));
}
public DirContext getSchemaClassDefinition (Name name)
throws NamingException {
ContextNamePair contextNamePair;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
return contextNamePair.getContext().getSchemaClassDefinition(contextNamePair.getName());
}
public DirContext getSchemaClassDefinition (String name)
throws NamingException {
return getSchemaClassDefinition(nameParser.parse(name));
}
public NamingEnumeration search (Name name, Attributes matchingAttributes, String[] attributesToReturn)
throws NamingException {
ContextNamePair contextNamePair;
NamingEnumeration internalEnumeration;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
if ((internalEnumeration = contextNamePair.getContext().search(contextNamePair.getName(), matchingAttributes, attributesToReturn)) != null) {
return new JavaNamingEnumeration(SearchResult.class, internalEnumeration, contextNamePair.getContext().getClass(), environment, nameTranslator, nameParser, modifiable);
}
return null;
}
public NamingEnumeration search (String name, Attributes matchingAttributes, String[] attributesToReturn)
throws NamingException {
return search(nameParser.parse(name), matchingAttributes, attributesToReturn);
}
public NamingEnumeration search (Name name, Attributes matchingAttributes)
throws NamingException {
ContextNamePair contextNamePair;
NamingEnumeration internalEnumeration;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
if ((internalEnumeration = contextNamePair.getContext().search(contextNamePair.getName(), matchingAttributes)) != null) {
return new JavaNamingEnumeration(SearchResult.class, internalEnumeration, contextNamePair.getContext().getClass(), environment, nameTranslator, nameParser, modifiable);
}
return null;
}
public NamingEnumeration search (String name, Attributes matchingAttributes)
throws NamingException {
return search(nameParser.parse(name), matchingAttributes);
}
public NamingEnumeration search (Name name, String filter, SearchControls cons)
throws NamingException {
ContextNamePair contextNamePair;
NamingEnumeration internalEnumeration;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
if ((internalEnumeration = contextNamePair.getContext().search(contextNamePair.getName(), filter, cons)) != null) {
return new JavaNamingEnumeration(SearchResult.class, internalEnumeration, contextNamePair.getContext().getClass(), environment, nameTranslator, nameParser, modifiable);
}
return null;
}
public NamingEnumeration search (String name, String filter, SearchControls cons)
throws NamingException {
return search(nameParser.parse(name), filter, cons);
}
public NamingEnumeration search (Name name, String filterExpr, Object[] filterArgs, SearchControls cons)
throws NamingException {
ContextNamePair contextNamePair;
NamingEnumeration internalEnumeration;
contextNamePair = nameTranslator.fromInternalNameToExternalContext(internalContext, name);
if ((internalEnumeration = contextNamePair.getContext().search(contextNamePair.getName(), filterExpr, filterArgs, cons)) != null) {
return new JavaNamingEnumeration(SearchResult.class, internalEnumeration, contextNamePair.getContext().getClass(), environment, nameTranslator, nameParser, modifiable);
}
return null;
}
public NamingEnumeration search (String name, String filterExpr, Object[] filterArgs, SearchControls cons)
throws NamingException {
return search(nameParser.parse(name), filterExpr, filterArgs, cons);
}
}