org.talend.studio.StudioInstaller.java Source code

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Here is the source code for org.talend.studio.StudioInstaller.java

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/*
 *
 * 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.talend.studio;

import java.io.File;
import java.io.FileInputStream;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.security.MessageDigest;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.talend.conn.ApacheConnector;
import org.talend.job.AbstractJob;
import org.talend.job.Configer;
import org.talend.utils.BuildUtil;

/**
 * @author sankooc
 */
public class StudioInstaller extends AbstractJob {

    private static Logger logger = LoggerFactory.getLogger(StudioInstaller.class);

    private ApacheConnector connector = ApacheConnector.getInstance();

    public File installStudio(String mVersion, String bVersion) {
        String fileName = String.format(Configer.getStudioFileFormat(), bVersion, mVersion);

        File target = new File(Configer.getDataFolder());
        if (new File(target, fileName.substring(0, fileName.length() - 4)).exists()) {
            return target;
        }

        File source = download(mVersion, bVersion);
        target.mkdirs();
        if (null != source) {
            BuildUtil.unzip(source, target);
            return target;
        }
        return null;
    }

    public File download(String mVersion, String bVersion) {
        String plainversion = mVersion.replaceAll("\\.", "");
        String target = String.format(Configer.getStudioURLFormat(), mVersion, bVersion, mVersion, plainversion,
                bVersion, mVersion);

        String md5URL = Configer.getBuildURL() + target + ".MD5";
        logger.debug("md5 url {} ", md5URL);
        if (!connector.doTest(md5URL)) {
            logger.error("no resource m:{} b:{}", mVersion, bVersion);
            return null;
        }
        final byte[] md = connector.doGet(md5URL);
        File file = new File(Configer.getDataFolder() + Configer.getStudioFolder()
                + String.format(Configer.getStudioFileFormat(), bVersion, mVersion));
        if (file.exists()) {
            if (checkFile(file, new String(md))) {
                return file;
            } else {
                file.delete();
            }
        } else {
            file.getParentFile().mkdirs();
        }

        String jarUrl = Configer.getBuildURL() + target;
        // if (!connector.doTest(jarUrl)) {
        // logger.error("no resource m:{} b:{}", mVersion, bVersion);
        // return null;
        // }
        try {
            connector.download(jarUrl, -1, file);
            return file;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    boolean checkFile(File file, String data) {
        FileInputStream fis = null;
        try {
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            fis = new FileInputStream(file);
            FileChannel fc = fis.getChannel();
            ByteBuffer buffer = ByteBuffer.allocate(1024);
            while (true) {
                int length = fc.read(buffer);
                if (length < 1) {
                    break;
                }
                buffer.flip();
                md5.update(buffer);
                buffer.clear();
            }
            byte[] ret = md5.digest();
            return BuildUtil.toHexString(ret).equals(data.trim().toUpperCase());
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            IOUtils.closeQuietly(fis);
        }
        return false;
    }

    public void getSpecalVersion(String mVersion, String bVersion) throws Exception {
        File file = installStudio(mVersion, bVersion);
        if (null == file) {
            throw new Exception("cannot install studio : " + mVersion + "-" + bVersion);
        }
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        StudioInstaller installer = new StudioInstaller();
        installer.getLastVersion();
    }
}