001/* 002 * Copyright 2016-2020 Ping Identity Corporation 003 * All Rights Reserved. 004 */ 005/* 006 * Copyright 2016-2020 Ping Identity Corporation 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020/* 021 * Copyright (C) 2016-2020 Ping Identity Corporation 022 * 023 * This program is free software; you can redistribute it and/or modify 024 * it under the terms of the GNU General Public License (GPLv2 only) 025 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only) 026 * as published by the Free Software Foundation. 027 * 028 * This program is distributed in the hope that it will be useful, 029 * but WITHOUT ANY WARRANTY; without even the implied warranty of 030 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 031 * GNU General Public License for more details. 032 * 033 * You should have received a copy of the GNU General Public License 034 * along with this program; if not, see <http://www.gnu.org/licenses>. 035 */ 036package com.unboundid.ldif; 037 038 039 040import java.util.ArrayList; 041import java.util.Collection; 042import java.util.Collections; 043import java.util.List; 044 045import com.unboundid.util.StaticUtils; 046import com.unboundid.util.ThreadSafety; 047import com.unboundid.util.ThreadSafetyLevel; 048 049 050 051/** 052 * This class provides an implementation of an LDIF reader change record 053 * translator that can be used to invoke multiple LDIF reader change record 054 * translators for each record to be processed. 055 */ 056@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE) 057public final class AggregateLDIFReaderChangeRecordTranslator 058 implements LDIFReaderChangeRecordTranslator 059{ 060 // The set of LDIF reader change record translators to be invoked for each 061 // record to process. 062 private final List<LDIFReaderChangeRecordTranslator> translators; 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 LDIFReaderChangeRecordTranslator... translators) 075 { 076 this(StaticUtils.toList(translators)); 077 } 078 079 080 081 /** 082 * Creates a new aggregate LDIF reader change record translator that will 083 * invoke all of the provided translators for each record to be processed. 084 * 085 * @param translators The set of LDIF reader change record translators to be 086 * invoked for each record to be processed. 087 */ 088 public AggregateLDIFReaderChangeRecordTranslator( 089 final Collection<? extends LDIFReaderChangeRecordTranslator> translators) 090 { 091 if (translators == null) 092 { 093 this.translators = Collections.emptyList(); 094 } 095 else 096 { 097 this.translators = 098 Collections.unmodifiableList(new ArrayList<>(translators)); 099 } 100 } 101 102 103 104 /** 105 * {@inheritDoc} 106 */ 107 @Override() 108 public LDIFChangeRecord translate(final LDIFChangeRecord original, 109 final long firstLineNumber) 110 throws LDIFException 111 { 112 if (original == null) 113 { 114 return null; 115 } 116 117 LDIFChangeRecord r = original; 118 for (final LDIFReaderChangeRecordTranslator t : translators) 119 { 120 r = t.translate(r, firstLineNumber); 121 if (r == null) 122 { 123 return null; 124 } 125 } 126 127 return r; 128 } 129}