Example usage for org.apache.commons.compress.archivers.jar JarArchiveOutputStream write

Introduction

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

Prototype

public void write(byte[] b, int offset, int length) throws IOException 

Source Link

Document

Writes bytes to ZIP entry.

Usage

From source file:com.jrummyapps.busybox.signing.ZipSigner.java

/** Copy all the files in a manifest from input to output. */
private static void copyFiles(Manifest manifest, JarFile in, JarArchiveOutputStream out, long timestamp)
        throws IOException {
    final byte[] buffer = new byte[4096];
    int num;//  ww w .j ava  2 s  .  c  o  m

    final Map<String, Attributes> entries = manifest.getEntries();
    final List<String> names = new ArrayList<>(entries.keySet());
    Collections.sort(names);
    for (final String name : names) {
        final JarEntry inEntry = in.getJarEntry(name);
        if (inEntry.getMethod() == JarArchiveEntry.STORED) {
            // Preserve the STORED method of the input entry.
            out.putArchiveEntry(new JarArchiveEntry(inEntry));
        } else {
            // Create a new entry so that the compressed len is recomputed.
            final JarArchiveEntry je = new JarArchiveEntry(name);
            je.setTime(timestamp);
            out.putArchiveEntry(je);
        }

        final InputStream data = in.getInputStream(inEntry);
        while ((num = data.read(buffer)) > 0) {
            out.write(buffer, 0, num);
        }
        out.flush();
        out.closeArchiveEntry();
    }
}

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From source file:org.moe.cli.utils.ArchiveUtils.java

public static void addFileToJar(File baseDir, File source, JarArchiveOutputStream target) throws IOException {
    BufferedInputStream in = null;
    try {/*  ww w. j a  v  a2  s .  c  o m*/
        String baseName = baseDir.getPath().replace("\\", "/");
        baseName = baseName.endsWith("/") ? baseName : baseName + "/";
        String name = source.getPath().replace("\\", "/").replace(baseName, "");
        if (source.isDirectory()) {

            if (!name.isEmpty()) {
                if (!name.endsWith("/"))
                    name += "/";
                JarArchiveEntry entry = new JarArchiveEntry(name);
                entry.setTime(source.lastModified());
                target.putArchiveEntry(entry);
                target.closeArchiveEntry();
            }
            for (File nestedFile : source.listFiles())
                addFileToJar(baseDir, nestedFile, target);
            return;
        }

        JarArchiveEntry entry = new JarArchiveEntry(name);
        entry.setTime(source.lastModified());
        target.putArchiveEntry(entry);
        in = new BufferedInputStream(new FileInputStream(source));

        byte[] buffer = new byte[1024];
        while (true) {
            int count = in.read(buffer);
            if (count == -1)
                break;
            target.write(buffer, 0, count);
        }
        target.closeArchiveEntry();
    } finally {
        if (in != null)
            in.close();
    }
}

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