com.github.dbourdette.glass.configuration.Version.java Source code

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Here is the source code for com.github.dbourdette.glass.configuration.Version.java

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/*
 * Copyright 2011 Olivier Lagache
 *
 * 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.
 */

package com.github.dbourdette.glass.configuration;

import java.io.IOException;
import java.io.InputStream;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.annotation.PostConstruct;

import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Component;

/**
 * @author olivier lagache
 */

@Component
public class Version {
    private static final String APPLICATION_VERSION_NAME = "application.version";
    private static final String COMPILATION_DATE_NAME = "compilation.date";
    private static final String COMPILATION_DATE_FORMAT = "yyyyMMdd_HHmmss";

    private String applicationVersion;

    private Date compilationDate;

    @PostConstruct
    public void initialize() throws IOException, ParseException {
        Properties properties = new Properties();

        InputStream propertyStream = getClass().getResourceAsStream("/glass-version.txt");
        properties.load(propertyStream);
        propertyStream.close();

        applicationVersion = properties.getProperty(APPLICATION_VERSION_NAME);

        String compilationDateAsString = properties.getProperty(COMPILATION_DATE_NAME);

        if (StringUtils.isNotEmpty(compilationDateAsString)) {
            compilationDate = new SimpleDateFormat(COMPILATION_DATE_FORMAT).parse(compilationDateAsString);
        }
    }

    public Date getCompilationDate() {
        return compilationDate;
    }

    public String getApplicationVersion() {

        return applicationVersion;
    }

}