org.apache.maven.plugins.resources.MavenBuildTimestamp Maven / Gradle / Ivy

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The Resources Plugin handles the copying of project resources to the output directory. There are two different kinds of resources: main resources and test resources. The difference is that the main resources are the resources associated to the main source code while the test resources are associated to the test source code. Thus, this allows the separation of resources for the main source code and its unit tests.

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package org.apache.maven.plugins.resources;

/*
 * 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.
 */

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Properties;
import java.util.TimeZone;

/**
 * This class is duplicated from maven-model-builder from maven core. (See MRESOURCES-99).
 */
public class MavenBuildTimestamp
{
    /**
     * ISO 8601-compliant timestamp for machine readability
     */
    public static final String DEFAULT_BUILD_TIMESTAMP_FORMAT = "yyyy-MM-dd'T'HH:mm:ss'Z'";

    /**
     * The property name.
     */
    public static final String BUILD_TIMESTAMP_FORMAT_PROPERTY = "maven.build.timestamp.format";

    /**
     * The default time zone {@code Etc/UTC}.
     */
    public static final TimeZone DEFAULT_BUILD_TIME_ZONE = TimeZone.getTimeZone( "Etc/UTC" );

    private String formattedTimestamp;

    /**
     * Create an instance.
     */
    public MavenBuildTimestamp()
    {
        this( new Date() );
    }

    /**
     * @param time The time to use.
     */
    public MavenBuildTimestamp( Date time )
    {
        this( time, DEFAULT_BUILD_TIMESTAMP_FORMAT );
    }

    /**
     * @param time The time to use.
     * @param properties the properties which can be define. can be {@code null}
     */
    public MavenBuildTimestamp( Date time, Properties properties )
    {
        this( time, properties != null ? properties.getProperty( BUILD_TIMESTAMP_FORMAT_PROPERTY ) : null );
    }

    /**
     * @param time The time to use.
     * @param timestampFormat The format for {@link SimpleDateFormat}.
     */
    public MavenBuildTimestamp( Date time, String timestampFormat )
    {
        SimpleDateFormat dateFormat;

        if ( timestampFormat == null )
        {
            dateFormat = new SimpleDateFormat( DEFAULT_BUILD_TIMESTAMP_FORMAT );
        }
        else
        {
            dateFormat = new SimpleDateFormat( timestampFormat );
        }

        dateFormat.setCalendar( new GregorianCalendar() );
        dateFormat.setTimeZone( DEFAULT_BUILD_TIME_ZONE );

        if ( time == null )
        {
            formattedTimestamp = dateFormat.format( new Date() );
        }
        else
        {
            formattedTimestamp = dateFormat.format( time );
        }

    }

    /**
     * @return The formatted time stamp.
     */
    public String formattedTimestamp()
    {
        return formattedTimestamp;
    }
}