maven-model-builder/src/main/java/org/apache/maven/model/interpolation/BuildTimestampValueSource.java

/*
 * 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.util.Date;
import java.util.Map;

import org.codehaus.plexus.interpolation.AbstractValueSource;

class BuildTimestampValueSource extends AbstractValueSource {
    private final Date startTime;
    private final Map<String, String> properties;

    BuildTimestampValueSource(Date startTime, Map<String, String> properties) {
        super(false);
        this.startTime = startTime;
        this.properties = properties;
    }

    @Override
    public Object getValue(String expression) {
        if ("build.timestamp".equals(expression) || "maven.build.timestamp".equals(expression)) {
            return new MavenBuildTimestamp(startTime, properties).formattedTimestamp();
        }
        return null;
    }
}