/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.protocols.ldap;
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import org.opends.messages.Message;
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import org.opends.server.protocols.asn1.ASN1Element;
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import org.opends.server.types.LDAPException;
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import static org.opends.messages.ProtocolMessages.*;
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import static org.opends.server.protocols.ldap.LDAPConstants.*;
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import static org.opends.server.protocols.ldap.LDAPResultCode.*;
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/**
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* This class defines the structures and methods for an LDAP protocol op, which
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* is the core of an LDAP message.
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*/
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public abstract class ProtocolOp
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{
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/**
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* Retrieves the BER type for this protocol op.
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*
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* @return The BER type for this protocol op.
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*/
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public abstract byte getType();
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/**
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* Retrieves the name for this protocol op type.
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*
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* @return The name for this protocol op type.
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*/
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public abstract String getProtocolOpName();
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/**
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* Encodes this protocol op to an ASN.1 element suitable for including in an
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* LDAP message.
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*
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* @return The ASN.1 element containing the encoded protocol op.
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*/
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public abstract ASN1Element encode();
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/**
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* Decodes the provided ASN.1 element as an LDAP protocol op.
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*
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* @param element The ASN.1 element containing the encoded LDAP protocol op.
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*
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* @return The LDAP protocol op decoded from the provided ASN.1 element.
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*
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* @throws LDAPException If a problem occurs while trying to decode the
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* provided ASN.1 element as an LDAP protocol op.
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*/
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public static ProtocolOp decode(ASN1Element element)
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throws LDAPException
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{
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if (element == null)
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{
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Message message = ERR_LDAP_PROTOCOL_OP_DECODE_NULL.get();
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throw new LDAPException(PROTOCOL_ERROR, message);
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}
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switch (element.getType())
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{
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case OP_TYPE_UNBIND_REQUEST: // 0x42
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return UnbindRequestProtocolOp.decodeUnbindRequest(element);
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case 0x43: // 0x43
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case 0x44: // 0x44
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case 0x45: // 0x45
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case 0x46: // 0x46
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case 0x47: // 0x47
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case 0x48: // 0x48
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case 0x49: // 0x49
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Message message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_DELETE_REQUEST: // 0x4A
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return DeleteRequestProtocolOp.decodeDeleteRequest(element);
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case 0x4B: // 0x4B
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case 0x4C: // 0x4C
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case 0x4D: // 0x4D
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case 0x4E: // 0x4E
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case 0x4F: // 0x4F
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_ABANDON_REQUEST: // 0x50
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return AbandonRequestProtocolOp.decodeAbandonRequest(element);
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case 0x51: // 0x51
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case 0x52: // 0x52
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case 0x53: // 0x53
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case 0x54: // 0x54
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case 0x55: // 0x55
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case 0x56: // 0x56
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case 0x57: // 0x57
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case 0x58: // 0x58
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case 0x59: // 0x59
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case 0x5A: // 0x5A
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case 0x5B: // 0x5B
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case 0x5C: // 0x5C
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case 0x5D: // 0x5D
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case 0x5E: // 0x5E
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case 0x5F: // 0x5F
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_BIND_REQUEST: // 0x60
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return BindRequestProtocolOp.decodeBindRequest(element);
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case OP_TYPE_BIND_RESPONSE: // 0x61
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return BindResponseProtocolOp.decodeBindResponse(element);
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case 0x62: // 0x62
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_SEARCH_REQUEST: // 0x63
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return SearchRequestProtocolOp.decodeSearchRequest(element);
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case OP_TYPE_SEARCH_RESULT_ENTRY: // 0x64
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return SearchResultEntryProtocolOp.decodeSearchEntry(element);
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case OP_TYPE_SEARCH_RESULT_DONE: // 0x65
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return SearchResultDoneProtocolOp.decodeSearchDone(element);
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case OP_TYPE_MODIFY_REQUEST: // 0x66
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return ModifyRequestProtocolOp.decodeModifyRequest(element);
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case OP_TYPE_MODIFY_RESPONSE: // 0x67
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return ModifyResponseProtocolOp.decodeModifyResponse(element);
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case OP_TYPE_ADD_REQUEST: // 0x68
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return AddRequestProtocolOp.decodeAddRequest(element);
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case OP_TYPE_ADD_RESPONSE: // 0x69
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return AddResponseProtocolOp.decodeAddResponse(element);
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case 0x6A: // 0x6A
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_DELETE_RESPONSE: // 0x6B
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return DeleteResponseProtocolOp.decodeDeleteResponse(element);
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case OP_TYPE_MODIFY_DN_REQUEST: // 0x6C
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return ModifyDNRequestProtocolOp.decodeModifyDNRequest(element);
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case OP_TYPE_MODIFY_DN_RESPONSE: // 0x6D
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return ModifyDNResponseProtocolOp.decodeModifyDNResponse(element);
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case OP_TYPE_COMPARE_REQUEST: // 0x6E
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return CompareRequestProtocolOp.decodeCompareRequest(element);
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case OP_TYPE_COMPARE_RESPONSE: // 0x6F
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return CompareResponseProtocolOp.decodeCompareResponse(element);
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case 0x70: // 0x70
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case 0x71: // 0x71
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case 0x72: // 0x72
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_SEARCH_RESULT_REFERENCE: // 0x73
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return SearchResultReferenceProtocolOp.decodeSearchReference(element);
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case 0x74: // 0x74
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case 0x75: // 0x75
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case 0x76: // 0x76
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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case OP_TYPE_EXTENDED_REQUEST: // 0x77
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return ExtendedRequestProtocolOp.decodeExtendedRequest(element);
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case OP_TYPE_EXTENDED_RESPONSE: // 0x78
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return ExtendedResponseProtocolOp.decodeExtendedResponse(element);
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case OP_TYPE_INTERMEDIATE_RESPONSE: // 0x79
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return
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IntermediateResponseProtocolOp.decodeIntermediateResponse(element);
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default:
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message =
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ERR_LDAP_PROTOCOL_OP_DECODE_INVALID_TYPE.get(element.getType());
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throw new LDAPException(PROTOCOL_ERROR, message);
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}
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}
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/**
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* Retrieves a string representation of this LDAP protocol op.
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*
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* @return A string representation of this LDAP protocol op.
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*/
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public String toString()
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{
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StringBuilder buffer = new StringBuilder();
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toString(buffer);
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return buffer.toString();
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}
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/**
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* Appends a string representation of this LDAP protocol op to the provided
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* buffer.
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*
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* @param buffer The buffer to which the string should be appended.
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*/
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public abstract void toString(StringBuilder buffer);
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/**
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* Appends a multi-line string representation of this LDAP protocol op to the
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* provided buffer.
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*
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* @param buffer The buffer to which the information should be appended.
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* @param indent The number of spaces from the margin that the lines should
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* be indented.
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*/
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public abstract void toString(StringBuilder buffer, int indent);
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}
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