Example usage for org.apache.commons.compress.compressors.xz XZCompressorOutputStream write

Introduction

In this page you can find the example usage for org.apache.commons.compress.compressors.xz XZCompressorOutputStream write.

Prototype

@Override
    public void write(final byte[] buf, final int off, final int len) throws IOException 

Source Link

Usage

From source file:org.jboss.tools.tycho.sitegenerator.GenerateRepositoryFacadeMojo.java

/**
 * Add p2 stats to the repository's artifacts.xml (and .jar and .xml.xz) 
 * See http://wiki.eclipse.org/Equinox_p2_download_stats
 * /*from w  w w.j  a v  a 2 s.  c  om*/
 * @param theXml
 * @param theXmlXz
 * @param transformer
 * @param source
 * @throws MojoFailureException
 * 
 * */

private void alterXzFile(File theXml, File theXmlXz, Transformer transformer, DOMSource source)
        throws MojoFailureException {
    try {
        // JBDS-3929 overwrite the artifacts.xml.xz file too
        // see also https://bugs.eclipse.org/bugs/show_bug.cgi?id=464614
        //getLog().debug("delete " + theXmlXz.toString());
        FileUtils.forceDelete(theXmlXz);
        //getLog().debug("create " + theXml.toString() + " from transformed XML");
        FileOutputStream outStreamXml = new FileOutputStream(theXml);
        StreamResult resultXml = new StreamResult(outStreamXml);
        transformer.transform(source, resultXml);
        outStreamXml.close();
        //getLog().debug("stream " + theXml.toString() + " to " + theXmlXz.toString());
        BufferedInputStream in = new BufferedInputStream(new FileInputStream(theXml));
        XZCompressorOutputStream out = new XZCompressorOutputStream(new FileOutputStream(theXmlXz));
        final byte[] buffer = new byte[1024];
        int n = 0;
        while (-1 != (n = in.read(buffer))) {
            out.write(buffer, 0, n);
        }
        out.close();
        in.close();
        //getLog().debug("new " + theXmlXz.toString() + " written; remove " + theXml.toString());
        FileUtils.forceDelete(theXml);
    } catch (IOException | TransformerException ex) {
        getLog().error(ex);
        throw new MojoFailureException("Error while compressing " + theXml.toString(), ex);
    }
}

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