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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*
*/
package org.apache.tools.ant.util;
import java.util.Objects;
/**
* A <code>ContainerMapper</code> that returns the results of its
* first constituent <code>FileNameMapper</code>s that matches.
*
* @since Ant 1.8.0
*/
public class FirstMatchMapper extends ContainerMapper {
/** {@inheritDoc}. */
@Override
public String[] mapFileName(String sourceFileName) {
return getMappers().stream().filter(Objects::nonNull)
.map(m -> m.mapFileName(sourceFileName)).filter(Objects::nonNull)
.findFirst().orElse(null);
}
}
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