find Jar Entry - Java Reflection

Java examples for Reflection:Jar

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Description

find Jar Entry

Demo Code

/**/*from ww w.  j  av  a2  s . c  o m*/
 * Tangara is an educational platform to get started with programming.
 * Copyright (C) 2008 Colombbus (http://www.colombbus.org)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
import org.apache.log4j.Logger;

public class Main{
    private static JarEntry findJarEntry(String entryName,
            JarInputStream jarFile) throws IOException {
        JarEntry jarEntry = jarFile.getNextJarEntry();
        while (jarEntry != null) {
            if (jarEntry.getName().equals(entryName)) {
                break;
            } else {
                jarEntry = jarFile.getNextJarEntry();
            }
        }
        return jarEntry;
    }
}

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