Example usage for org.apache.commons.compress.archivers.jar JarArchiveEntry getSize

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.jar JarArchiveEntry getSize.

Prototype

public long getSize() 

Source Link

Document

Returns the uncompressed size of the entry data.

Usage

From source file:divconq.mod.JarLibLoader.java

public JarLibLoader(String name) {
    super(name);//from w w w.  java2s. com

    JarArchiveInputStream stream = null;

    try {
        InputStream theFile = new FileInputStream(this.name);
        stream = new JarArchiveInputStream(theFile);

        JarArchiveEntry entry = stream.getNextJarEntry();

        while (entry != null) {
            if (!entry.isDirectory()) {
                //if (entry.getName().endsWith("Container.class"))
                //   System.out.println("at cont");

                int esize = (int) entry.getSize();

                if (esize > 0) {
                    int eleft = esize;
                    byte[] buff = new byte[esize];
                    int offset = 0;

                    while (offset < esize) {
                        int d = stream.read(buff, offset, eleft);
                        offset += d;
                        eleft -= d;
                    }

                    this.entries.put("/" + entry.getName(), buff);
                }
            }

            entry = stream.getNextJarEntry();
        }
    } catch (Exception x) {
        // TODO logging
        System.out.println(x);
    } finally {
        try {
            if (stream != null)
                stream.close();
        } catch (Exception x) {

        }
    }
}

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From source file:es.jamisoft.comun.utils.compression.Jar.java

public void descomprimir(String lsDirDestino) {
    try {/*from ww w. java 2s  . c  o  m*/
        JarFile lzfFichero = new JarFile(isFicheroJar);
        Enumeration lenum = lzfFichero.entries();
        JarArchiveEntry entrada = null;
        InputStream linput;

        for (; lenum.hasMoreElements(); linput.close()) {
            entrada = (JarArchiveEntry) lenum.nextElement();
            linput = lzfFichero.getInputStream(entrada);

            byte labBytes[] = new byte[2048];
            int liLeido = -1;
            String lsRutaDestino = lsDirDestino + File.separator + entrada.getName();

            lsRutaDestino = lsRutaDestino.replace('\\', File.separatorChar);

            File lfRutaCompleta = new File(lsRutaDestino);
            String lsRuta = lfRutaCompleta.getAbsolutePath();
            int liPosSeparator = lsRuta.lastIndexOf(File.separatorChar);

            lsRuta = lsRuta.substring(0, liPosSeparator);

            File ldDir = new File(lsRuta);
            boolean lbCreado = ldDir.mkdirs();

            if (entrada.isDirectory()) {
                continue;
            }

            FileOutputStream loutput = new FileOutputStream(lfRutaCompleta);

            if (entrada.getSize() > 0L) {
                while ((liLeido = linput.read(labBytes, 0, 2048)) != -1) {
                    loutput.write(labBytes, 0, liLeido);
                }
            }

            loutput.flush();
            loutput.close();
        }

        lzfFichero.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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