com.unboundid.ldif.AggregateLDIFReaderChangeRecordTranslator Maven / Gradle / Ivy
/*
* Copyright 2016-2021 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2016-2021 Ping Identity Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (C) 2016-2021 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.ldif;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
/**
* This class provides an implementation of an LDIF reader change record
* translator that can be used to invoke multiple LDIF reader change record
* translators for each record to be processed.
*/
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class AggregateLDIFReaderChangeRecordTranslator
implements LDIFReaderChangeRecordTranslator
{
// The set of LDIF reader change record translators to be invoked for each
// record to process.
@NotNull private final List translators;
/**
* Creates a new aggregate LDIF reader change record translator that will
* invoke all of the provided translators for each record to be processed.
*
* @param translators The set of LDIF reader change record translators to be
* invoked for each record to be processed.
*/
public AggregateLDIFReaderChangeRecordTranslator(
@Nullable final LDIFReaderChangeRecordTranslator... translators)
{
this(StaticUtils.toList(translators));
}
/**
* Creates a new aggregate LDIF reader change record translator that will
* invoke all of the provided translators for each record to be processed.
*
* @param translators The set of LDIF reader change record translators to be
* invoked for each record to be processed.
*/
public AggregateLDIFReaderChangeRecordTranslator(
@Nullable final Collection
translators)
{
if (translators == null)
{
this.translators = Collections.emptyList();
}
else
{
this.translators =
Collections.unmodifiableList(new ArrayList<>(translators));
}
}
/**
* {@inheritDoc}
*/
@Override()
@Nullable()
public LDIFChangeRecord translate(@NotNull final LDIFChangeRecord original,
final long firstLineNumber)
throws LDIFException
{
if (original == null)
{
return null;
}
LDIFChangeRecord r = original;
for (final LDIFReaderChangeRecordTranslator t : translators)
{
r = t.translate(r, firstLineNumber);
if (r == null)
{
return null;
}
}
return r;
}
}