com.unboundid.ldap.protocol.ExtendedRequestProtocolOp Maven / Gradle / Ivy
/*
* Copyright 2009-2019 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright (C) 2009-2019 Ping Identity Corporation
*
* 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.protocol;
import com.unboundid.asn1.ASN1Buffer;
import com.unboundid.asn1.ASN1BufferSequence;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.asn1.ASN1StreamReader;
import com.unboundid.asn1.ASN1StreamReaderSequence;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.ExtendedRequest;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.Debug;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.NotMutable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.Validator;
import static com.unboundid.ldap.protocol.ProtocolMessages.*;
/**
* This class provides an implementation of an LDAP extended request protocol
* op.
*/
@InternalUseOnly()
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class ExtendedRequestProtocolOp
implements ProtocolOp
{
/**
* The BER type for the OID element.
*/
public static final byte TYPE_OID = (byte) 0x80;
/**
* The BER type for the value element.
*/
public static final byte TYPE_VALUE = (byte) 0x81;
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -5343424210200494377L;
// The value for this extended request.
private final ASN1OctetString value;
// The OID for this extended request.
private final String oid;
/**
* Creates a new extended request protocol op with the provided information.
*
* @param oid The OID for this extended request.
* @param value The value for this extended request, or {@code null} if
* there should not be a value.
*/
public ExtendedRequestProtocolOp(final String oid,
final ASN1OctetString value)
{
this.oid = oid;
if (value == null)
{
this.value = null;
}
else
{
this.value = new ASN1OctetString(TYPE_VALUE, value.getValue());
}
}
/**
* Creates a new extended request protocol op from the provided extended
* request object.
*
* @param request The extended request object to use to create this protocol
* op.
*/
public ExtendedRequestProtocolOp(final ExtendedRequest request)
{
oid = request.getOID();
value = request.getValue();
}
/**
* Creates a new extended request protocol op read from the provided ASN.1
* stream reader.
*
* @param reader The ASN.1 stream reader from which to read the extended
* request protocol op.
*
* @throws LDAPException If a problem occurs while reading or parsing the
* extended request.
*/
ExtendedRequestProtocolOp(final ASN1StreamReader reader)
throws LDAPException
{
try
{
final ASN1StreamReaderSequence opSequence = reader.beginSequence();
oid = reader.readString();
Validator.ensureNotNull(oid);
if (opSequence.hasMoreElements())
{
value = new ASN1OctetString(TYPE_VALUE, reader.readBytes());
}
else
{
value = null;
}
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_EXTENDED_REQUEST_CANNOT_DECODE.get(
StaticUtils.getExceptionMessage(e)),
e);
}
}
/**
* Retrieves the OID for this extended request.
*
* @return The OID for this extended request.
*/
public String getOID()
{
return oid;
}
/**
* Retrieves the value for this extended request, if any.
*
* @return The value for this extended request, or {@code null} if there is
* no value.
*/
public ASN1OctetString getValue()
{
return value;
}
/**
* {@inheritDoc}
*/
@Override()
public byte getProtocolOpType()
{
return LDAPMessage.PROTOCOL_OP_TYPE_EXTENDED_REQUEST;
}
/**
* {@inheritDoc}
*/
@Override()
public ASN1Element encodeProtocolOp()
{
if (value == null)
{
return new ASN1Sequence(LDAPMessage.PROTOCOL_OP_TYPE_EXTENDED_REQUEST,
new ASN1OctetString(TYPE_OID, oid));
}
else
{
return new ASN1Sequence(LDAPMessage.PROTOCOL_OP_TYPE_EXTENDED_REQUEST,
new ASN1OctetString(TYPE_OID, oid),
value);
}
}
/**
* Decodes the provided ASN.1 element as an extended request protocol op.
*
* @param element The ASN.1 element to be decoded.
*
* @return The decoded extended request protocol op.
*
* @throws LDAPException If the provided ASN.1 element cannot be decoded as
* an extended request protocol op.
*/
public static ExtendedRequestProtocolOp decodeProtocolOp(
final ASN1Element element)
throws LDAPException
{
try
{
final ASN1Element[] elements =
ASN1Sequence.decodeAsSequence(element).elements();
final String oid =
ASN1OctetString.decodeAsOctetString(elements[0]).stringValue();
final ASN1OctetString value;
if (elements.length == 1)
{
value = null;
}
else
{
value = ASN1OctetString.decodeAsOctetString(elements[1]);
}
return new ExtendedRequestProtocolOp(oid, value);
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_EXTENDED_REQUEST_CANNOT_DECODE.get(
StaticUtils.getExceptionMessage(e)),
e);
}
}
/**
* {@inheritDoc}
*/
@Override()
public void writeTo(final ASN1Buffer buffer)
{
final ASN1BufferSequence opSequence =
buffer.beginSequence(LDAPMessage.PROTOCOL_OP_TYPE_EXTENDED_REQUEST);
buffer.addOctetString(TYPE_OID, oid);
if (value != null)
{
buffer.addOctetString(TYPE_VALUE, value.getValue());
}
opSequence.end();
}
/**
* Creates an extended request from this protocol op.
*
* @param controls The set of controls to include in the extended request.
* It may be empty or {@code null} if no controls should be
* included.
*
* @return The extended request that was created.
*/
public ExtendedRequest toExtendedRequest(final Control... controls)
{
return new ExtendedRequest(oid, value, controls);
}
/**
* Retrieves a string representation of this protocol op.
*
* @return A string representation of this protocol op.
*/
@Override()
public String toString()
{
final StringBuilder buffer = new StringBuilder();
toString(buffer);
return buffer.toString();
}
/**
* {@inheritDoc}
*/
@Override()
public void toString(final StringBuilder buffer)
{
buffer.append("ExtendedRequestProtocolOp(oid='");
buffer.append(oid);
buffer.append("')");
}
}