001/* 002 * Copyright 2016-2017 UnboundID Corp. 003 * All Rights Reserved. 004 */ 005/* 006 * Copyright (C) 2016-2017 UnboundID Corp. 007 * 008 * This program is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU General Public License (GPLv2 only) 010 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only) 011 * as published by the Free Software Foundation. 012 * 013 * This program is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU General Public License for more details. 017 * 018 * You should have received a copy of the GNU General Public License 019 * along with this program; if not, see <http://www.gnu.org/licenses>. 020 */ 021package com.unboundid.ldif; 022 023 024 025import java.util.ArrayList; 026import java.util.Collection; 027import java.util.Collections; 028import java.util.List; 029 030import com.unboundid.util.StaticUtils; 031import com.unboundid.util.ThreadSafety; 032import com.unboundid.util.ThreadSafetyLevel; 033 034 035 036/** 037 * This class provides an implementation of an LDIF reader change record 038 * translator that can be used to invoke multiple LDIF reader change record 039 * translators for each record to be processed. 040 */ 041@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE) 042public final class AggregateLDIFReaderChangeRecordTranslator 043 implements LDIFReaderChangeRecordTranslator 044{ 045 // The set of LDIF reader change record translators to be invoked for each 046 // record to process. 047 private final List<LDIFReaderChangeRecordTranslator> translators; 048 049 050 051 /** 052 * Creates a new aggregate LDIF reader change record translator that will 053 * invoke all of the provided translators for each record to be processed. 054 * 055 * @param translators The set of LDIF reader change record translators to be 056 * invoked for each record to be processed. 057 */ 058 public AggregateLDIFReaderChangeRecordTranslator( 059 final LDIFReaderChangeRecordTranslator... translators) 060 { 061 this(StaticUtils.toList(translators)); 062 } 063 064 065 066 /** 067 * Creates a new aggregate LDIF reader change record translator that will 068 * invoke all of the provided translators for each record to be processed. 069 * 070 * @param translators The set of LDIF reader change record translators to be 071 * invoked for each record to be processed. 072 */ 073 public AggregateLDIFReaderChangeRecordTranslator( 074 final Collection<? extends LDIFReaderChangeRecordTranslator> translators) 075 { 076 if (translators == null) 077 { 078 this.translators = Collections.emptyList(); 079 } 080 else 081 { 082 this.translators = Collections.unmodifiableList( 083 new ArrayList<LDIFReaderChangeRecordTranslator>(translators)); 084 } 085 } 086 087 088 089 /** 090 * {@inheritDoc} 091 */ 092 public LDIFChangeRecord translate(final LDIFChangeRecord original, 093 final long firstLineNumber) 094 throws LDIFException 095 { 096 if (original == null) 097 { 098 return null; 099 } 100 101 LDIFChangeRecord r = original; 102 for (final LDIFReaderChangeRecordTranslator t : translators) 103 { 104 r = t.translate(r, firstLineNumber); 105 if (r == null) 106 { 107 return null; 108 } 109 } 110 111 return r; 112 } 113}