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/*
* Copyright 2009-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2015-2017 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.unboundidds.extensions;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1Enumerated;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.asn1.ASN1Set;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.IntermediateResponse;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.ldap.sdk.unboundidds.extensions.ExtOpMessages.*;
import static com.unboundid.util.Debug.*;
import static com.unboundid.util.StaticUtils.*;
/**
* This class provides an implementation of the stream proxy values intermediate
* response, which may be used to provide a partial or complete list of the
* values for a specified attribute, or DNs of entries contained in a specified
* portion of the server DIT.
*
*
* NOTE: This class is part of the Commercial Edition of the UnboundID
* LDAP SDK for Java. It is not available for use in applications that
* include only the Standard Edition of the LDAP SDK, and is not supported for
* use in conjunction with non-UnboundID products.
*
*
* This intermediate response has an OID of "1.3.6.1.4.1.30221.2.6.9" and the
* value is encoded as follows:
*
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class StreamProxyValuesIntermediateResponse
extends IntermediateResponse
{
/**
* The OID (1.3.6.1.4.1.30221.2.6.9) for the get stream proxy values
* intermediate response.
*/
public static final String STREAM_PROXY_VALUES_INTERMEDIATE_RESPONSE_OID =
"1.3.6.1.4.1.30221.2.6.9";
/**
* The integer value for the "all values returned" result.
*/
public static final int RESULT_ALL_VALUES_RETURNED = 0;
/**
* The integer value for the "more values to return" result.
*/
public static final int RESULT_MORE_VALUES_TO_RETURN = 1;
/**
* The integer value for the "attribute not indexed" result.
*/
public static final int RESULT_ATTRIBUTE_NOT_INDEXED = 2;
/**
* The integer value for the "processing error" result.
*/
public static final int RESULT_PROCESSING_ERROR = 3;
/**
* The BER type for the attribute name element.
*/
private static final byte TYPE_ATTRIBUTE_NAME = (byte) 0x80;
/**
* The BER type for the result element.
*/
private static final byte TYPE_RESULT = (byte) 0x81;
/**
* The BER type for the diagnostic message element.
*/
private static final byte TYPE_DIAGNOSTIC_MESSAGE = (byte) 0x82;
/**
* The BER type for the values element.
*/
private static final byte TYPE_VALUES = (byte) 0xA4;
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = 6861844092877880224L;
// The result code for this stream proxy values intermediate response.
private final int result;
// The list of values for this stream proxy values intermediate response.
private final List values;
// The attribute name for this stream proxy values intermediate response, if
// any.
private final String attributeName;
// The diagnostic message for this stream proxy values intermediate response,
// if any.
private final String diagnosticMessage;
/**
* Creates a new stream proxy values intermediate response with the
* provided information.
*
* @param attributeName The name of the attribute with which the
* included values are associated. This may be
* {@code null} if the provided values are DNs.
* @param result The integer value that provides information
* about the state of the stream proxy values
* response.
* @param diagnosticMessage The diagnostic message that provides more
* information about the result, or {@code null} if
* none is required.
* @param values The set of values included in this stream proxy
* values intermediate response. It may be
* {@code null} or empty if this is an error
* result, or there are no values of the specified
* type in the server.
* @param controls The set of controls to include in this
* intermediate response. It may be {@code null}
* or empty if there should not be any controls.
*/
public StreamProxyValuesIntermediateResponse(final String attributeName,
final int result, final String diagnosticMessage,
final Collection values,
final Control... controls)
{
super(STREAM_PROXY_VALUES_INTERMEDIATE_RESPONSE_OID,
encodeValue(attributeName, result, diagnosticMessage, values),
controls);
this.attributeName = attributeName;
this.result = result;
this.diagnosticMessage = diagnosticMessage;
if ((values == null) || values.isEmpty())
{
this.values = Collections.emptyList();
}
else
{
this.values = Collections.unmodifiableList(
new ArrayList(values));
}
}
/**
* Creates a new stream proxy values intermediate response with
* information from the provided generic intermediate response.
*
* @param intermediateResponse The generic intermediate response that should
* be used to create this new intermediate
* response.
*
* @throws LDAPException If the provided intermediate response cannot be
* parsed as a stream proxy values intermediate
* response.
*/
public StreamProxyValuesIntermediateResponse(
final IntermediateResponse intermediateResponse)
throws LDAPException
{
super(intermediateResponse);
final ASN1OctetString value = intermediateResponse.getValue();
if (value == null)
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_STREAM_PROXY_VALUES_RESPONSE_NO_VALUE.get());
}
int tmpResult = -1;
String tmpAttr = null;
String tmpMessage = null;
final ArrayList tmpValues =
new ArrayList();
try
{
final ASN1Element[] elements =
ASN1Element.decode(value.getValue()).decodeAsSequence().elements();
for (final ASN1Element e : elements)
{
switch (e.getType())
{
case TYPE_ATTRIBUTE_NAME:
tmpAttr = e.decodeAsOctetString().stringValue();
break;
case TYPE_RESULT:
tmpResult = e.decodeAsEnumerated().intValue();
if (tmpResult < 0)
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_STREAM_PROXY_VALUES_RESPONSE_INVALID_RESULT.get(
tmpResult));
}
break;
case TYPE_DIAGNOSTIC_MESSAGE:
tmpMessage = e.decodeAsOctetString().stringValue();
break;
case TYPE_VALUES:
final ASN1Element[] valueElements = e.decodeAsSet().elements();
for (final ASN1Element ve : valueElements)
{
tmpValues.add(StreamProxyValuesBackendSetValue.decode(ve));
}
break;
default:
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_STREAM_PROXY_VALUES_RESPONSE_INVALID_SEQUENCE_TYPE.get(
toHex(e.getType())));
}
}
}
catch (LDAPException le)
{
throw le;
}
catch (Exception e)
{
debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_STREAM_PROXY_VALUES_RESPONSE_CANNOT_DECODE.get(
getExceptionMessage(e)), e);
}
if (tmpResult < 0)
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_STREAM_PROXY_VALUES_RESPONSE_NO_RESULT.get());
}
attributeName = tmpAttr;
result = tmpResult;
diagnosticMessage = tmpMessage;
values = Collections.unmodifiableList(tmpValues);
}
/**
* Encodes the provided information in a form suitable for use as the value of
* this intermediate response.
*
* @param attributeName The name of the attribute with which the
* included values are associated. This may be
* {@code null} if the provided values are DNs.
* @param result The integer value that provides information
* about the state of the stream proxy values
* response.
* @param diagnosticMessage The diagnostic message that provides more
* information about the result, or {@code null} if
* none is required.
* @param values The set of values included in this stream
* proxy values intermediate response. It may
* be {@code null} or empty if this is an error
* result, or there are no values of the specified
* type in the server.
*
* @return An ASN.1 octet string containing the encoded value to use for this
* intermediate response.
*/
private static ASN1OctetString encodeValue(final String attributeName,
final int result, final String diagnosticMessage,
final Collection values)
{
final ArrayList elements = new ArrayList(4);
if (attributeName != null)
{
elements.add(new ASN1OctetString(TYPE_ATTRIBUTE_NAME, attributeName));
}
elements.add(new ASN1Enumerated(TYPE_RESULT, result));
if (diagnosticMessage != null)
{
elements.add(new ASN1OctetString(TYPE_DIAGNOSTIC_MESSAGE,
diagnosticMessage));
}
if ((values != null) && (! values.isEmpty()))
{
final ArrayList valueElements =
new ArrayList(values.size());
for (final StreamProxyValuesBackendSetValue v : values)
{
valueElements.add(v.encode());
}
elements.add(new ASN1Set(TYPE_VALUES, valueElements));
}
return new ASN1OctetString(new ASN1Sequence(elements).encode());
}
/**
* Retrieves the name of the attribute with which this stream proxy values
* intermediate response is associated.
*
* @return The name of the attribute with which this stream proxy values
* intermediate response is associated, or {@code null} if the values
* are entry DNs rather than attribute values.
*/
public String getAttributeName()
{
return attributeName;
}
/**
* Retrieves the integer value of the result for this stream proxy values
* intermediate response.
*
* @return The integer value of the result for this stream proxy values
* intermediate response.
*/
public int getResult()
{
return result;
}
/**
* Retrieves the diagnostic message for this stream proxy values intermediate
* response.
*
* @return The diagnostic message for this stream proxy values intermediate
* response, or {@code null} if there is none.
*/
public String getDiagnosticMessage()
{
return diagnosticMessage;
}
/**
* Retrieves the list of values for this stream proxy values intermediate
* response.
*
* @return The list of values for this stream proxy values intermediate
* response, or an empty list if there are no values.
*/
public List getValues()
{
return values;
}
/**
* {@inheritDoc}
*/
@Override()
public String getIntermediateResponseName()
{
return INFO_INTERMEDIATE_RESPONSE_NAME_STREAM_PROXY_VALUES.get();
}
/**
* {@inheritDoc}
*/
@Override()
public String valueToString()
{
final StringBuilder buffer = new StringBuilder();
if (attributeName != null)
{
buffer.append("attributeName='");
buffer.append(attributeName);
buffer.append("' ");
}
buffer.append("result='");
switch (result)
{
case RESULT_ALL_VALUES_RETURNED:
buffer.append("all values returned");
break;
case RESULT_ATTRIBUTE_NOT_INDEXED:
buffer.append("attribute not indexed");
break;
case RESULT_MORE_VALUES_TO_RETURN:
buffer.append("more values to return");
break;
case RESULT_PROCESSING_ERROR:
buffer.append("processing error");
break;
default:
buffer.append(result);
break;
}
buffer.append('\'');
if (diagnosticMessage != null)
{
buffer.append(" diagnosticMessage='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
buffer.append(" valueCount='");
buffer.append(values.size());
buffer.append('\'');
return buffer.toString();
}
/**
* {@inheritDoc}
*/
@Override()
public void toString(final StringBuilder buffer)
{
buffer.append("StreamProxyValuesIntermediateResponse(");
final int messageID = getMessageID();
if (messageID >= 0)
{
buffer.append("messageID=");
buffer.append(messageID);
buffer.append(", ");
}
if (attributeName != null)
{
buffer.append("attributeName='");
buffer.append(attributeName);
buffer.append("', ");
}
buffer.append("result=");
buffer.append(result);
if (diagnosticMessage != null)
{
buffer.append(", diagnosticMessage='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
buffer.append(", values={");
final Iterator iterator =
values.iterator();
while (iterator.hasNext())
{
iterator.next().toString(buffer);
if (iterator.hasNext())
{
buffer.append(", ");
}
}
final Control[] controls = getControls();
if (controls.length > 0)
{
buffer.append(", controls={");
for (int i=0; i < controls.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append(controls[i]);
}
buffer.append('}');
}
buffer.append("})");
}
}
