org.xlcloud.console.controllers.BuildInformationBean Maven / Gradle / Ivy

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/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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 org.xlcloud.console.controllers;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.jar.Manifest;

import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
import javax.faces.context.FacesContext;
import javax.inject.Inject;
import javax.inject.Named;

import org.apache.log4j.Logger;
import org.xlcloud.config.ConfigParam;

/**
 * Exposes application information like build time, version, etc.
 * 
 * @author Piotr Kulasek-Szwed, AMG.net
 */
@ApplicationScoped
@Named
public class BuildInformationBean {

    private static final Logger logger = Logger.getLogger(BuildInformationBean.class);
    
    @Inject @ConfigParam
    private Boolean showBuildInfo;

    private Manifest manifest = null;

    @PostConstruct
    public void init() {
        File manifestFile = null;
        try {
            String home = FacesContext.getCurrentInstance().getExternalContext().getRealPath("/");
            manifestFile = new File(home, "META-INF/MANIFEST.MF");
            manifest = new Manifest();
            manifest.read(new FileInputStream(manifestFile));
        } catch (IOException ioe) {
            logger.error("Unable to read the Manifest file from '" + manifestFile.getAbsolutePath() + "'", ioe);
        }
    }
    
    public String getBuildTimestamp(){
        return manifest.getMainAttributes().getValue("Build-Time");
    }

    
    /**
     * Gets the value of {@link #showBuildInfo}.
     * @return value of {@link #showBuildInfo}
     */
    public Boolean getShowBuildInfo() {
        return showBuildInfo;
    }
    
    
}