bundlerepository/src/main/java/org/apache/felix/bundlerepository/impl/ObrGogoCommand.java [751:794]:
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    public static void unjar(JarInputStream jis, File dir)
            throws IOException
    {
        // Reusable buffer.
        byte[] buffer = new byte[4096];

        // Loop through JAR entries.
        for (JarEntry je = jis.getNextJarEntry();
             je != null;
             je = jis.getNextJarEntry())
        {
            if (je.getName().startsWith("/"))
            {
                throw new IOException("JAR resource cannot contain absolute paths.");
            }

            File target = new File(dir, je.getName());

            // Check to see if the JAR entry is a directory.
            if (je.isDirectory())
            {
                if (!target.exists())
                {
                    if (!target.mkdirs())
                    {
                        throw new IOException("Unable to create target directory: "
                                + target);
                    }
                }
                // Just continue since directories do not have content to copy.
                continue;
            }

            int lastIndex = je.getName().lastIndexOf('/');
            String name = (lastIndex >= 0) ?
                    je.getName().substring(lastIndex + 1) : je.getName();
            String destination = (lastIndex >= 0) ?
                    je.getName().substring(0, lastIndex) : "";

            // JAR files use '/', so convert it to platform separator.
            destination = destination.replace('/', File.separatorChar);
            copy(jis, dir, name, destination, buffer);
        }
    }
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bundlerepository/src/main/java/org/apache/felix/bundlerepository/impl/FileUtil.java [98:141]:
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    public static void unjar(JarInputStream jis, File dir)
        throws IOException
    {
        // Reusable buffer.
        byte[] buffer = new byte[4096];

        // Loop through JAR entries.
        for (JarEntry je = jis.getNextJarEntry();
             je != null;
             je = jis.getNextJarEntry())
        {
            if (je.getName().startsWith("/"))
            {
                throw new IOException("JAR resource cannot contain absolute paths.");
            }

            File target = new File(dir, je.getName());

            // Check to see if the JAR entry is a directory.
            if (je.isDirectory())
            {
                if (!target.exists())
                {
                    if (!target.mkdirs())
                    {
                        throw new IOException("Unable to create target directory: "
                            + target);
                    }
                }
                // Just continue since directories do not have content to copy.
                continue;
            }

            int lastIndex = je.getName().lastIndexOf('/');
            String name = (lastIndex >= 0) ?
                je.getName().substring(lastIndex + 1) : je.getName();
            String destination = (lastIndex >= 0) ?
                je.getName().substring(0, lastIndex) : "";

            // JAR files use '/', so convert it to platform separator.
            destination = destination.replace('/', File.separatorChar);
            copy(jis, dir, name, destination, buffer);
        }
    }
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gogo/command/src/main/java/org/apache/felix/gogo/command/Util.java [152:195]:
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    public static void unjar(JarInputStream jis, File dir)
        throws IOException
    {
        // Reusable buffer.
        byte[] buffer = new byte[4096];

        // Loop through JAR entries.
        for (JarEntry je = jis.getNextJarEntry();
             je != null;
             je = jis.getNextJarEntry())
        {
            if (je.getName().startsWith("/"))
            {
                throw new IOException("JAR resource cannot contain absolute paths.");
            }

            File target = new File(dir, je.getName());

            // Check to see if the JAR entry is a directory.
            if (je.isDirectory())
            {
                if (!target.exists())
                {
                    if (!target.mkdirs())
                    {
                        throw new IOException("Unable to create target directory: "
                            + target);
                    }
                }
                // Just continue since directories do not have content to copy.
                continue;
            }

            int lastIndex = je.getName().lastIndexOf('/');
            String name = (lastIndex >= 0) ?
                je.getName().substring(lastIndex + 1) : je.getName();
            String destination = (lastIndex >= 0) ?
                je.getName().substring(0, lastIndex) : "";

            // JAR files use '/', so convert it to platform separator.
            destination = destination.replace('/', File.separatorChar);
            copy(jis, dir, name, destination, buffer);
        }
    }
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