org.apache.maven.model.interpolation.PathTranslatingPostProcessor Maven / Gradle / Ivy

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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.maven.model.interpolation;

import java.io.File;
import java.util.Collection;
import java.util.List;

import org.apache.maven.model.path.PathTranslator;
import org.codehaus.plexus.interpolation.InterpolationPostProcessor;
import org.codehaus.plexus.interpolation.util.ValueSourceUtils;

/**
 *
 */
class PathTranslatingPostProcessor implements InterpolationPostProcessor {

    private final Collection unprefixedPathKeys;
    private final File projectDir;
    private final PathTranslator pathTranslator;
    private final List expressionPrefixes;

    PathTranslatingPostProcessor(
            List expressionPrefixes,
            Collection unprefixedPathKeys,
            File projectDir,
            PathTranslator pathTranslator) {
        this.expressionPrefixes = expressionPrefixes;
        this.unprefixedPathKeys = unprefixedPathKeys;
        this.projectDir = projectDir;
        this.pathTranslator = pathTranslator;
    }

    @Override
    public Object execute(String expression, Object value) {
        if (value != null) {
            expression = ValueSourceUtils.trimPrefix(expression, expressionPrefixes, true);

            if (unprefixedPathKeys.contains(expression)) {
                return pathTranslator.alignToBaseDirectory(String.valueOf(value), projectDir);
            }
        }

        return null;
    }
}