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.ldap.sdk.Entry; 046import com.unboundid.util.StaticUtils; 047import com.unboundid.util.ThreadSafety; 048import com.unboundid.util.ThreadSafetyLevel; 049 050 051 052/** 053 * This class provides an implementation of an LDIF reader entry translator that 054 * can be used to invoke multiple LDIF reader entry translators for each entry 055 * to be processed. 056 */ 057@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE) 058public final class AggregateLDIFReaderEntryTranslator 059 implements LDIFReaderEntryTranslator 060{ 061 // The set of LDIF reader entry translators to be invoked for each entry to 062 // process. 063 private final List<LDIFReaderEntryTranslator> translators; 064 065 066 067 /** 068 * Creates a new aggregate LDIF reader entry translator that will invoke all 069 * of the provided translators for each entry to be processed. 070 * 071 * @param translators The set of LDIF reader entry translators to be invoked 072 * for each entry to be processed. 073 */ 074 public AggregateLDIFReaderEntryTranslator( 075 final LDIFReaderEntryTranslator... translators) 076 { 077 this(StaticUtils.toList(translators)); 078 } 079 080 081 082 /** 083 * Creates a new aggregate LDIF reader entry translator that will invoke all 084 * of the provided translators for each entry to be processed. 085 * 086 * @param translators The set of LDIF reader entry translators to be invoked 087 * for each entry to be processed. 088 */ 089 public AggregateLDIFReaderEntryTranslator( 090 final Collection<? extends LDIFReaderEntryTranslator> translators) 091 { 092 if (translators == null) 093 { 094 this.translators = Collections.emptyList(); 095 } 096 else 097 { 098 this.translators = 099 Collections.unmodifiableList(new ArrayList<>(translators)); 100 } 101 } 102 103 104 105 /** 106 * {@inheritDoc} 107 */ 108 @Override() 109 public Entry translate(final Entry original, final long firstLineNumber) 110 throws LDIFException 111 { 112 if (original == null) 113 { 114 return null; 115 } 116 117 Entry e = original; 118 for (final LDIFReaderEntryTranslator t : translators) 119 { 120 e = t.translate(e, firstLineNumber); 121 if (e == null) 122 { 123 return null; 124 } 125 } 126 127 return e; 128 } 129}