Method createPigScriptUDFJar

src/org/apache/pig/impl/util/JarManager.java:81–105

(PigContext pigContext)

    }

    public static File createPigScriptUDFJar(PigContext pigContext) throws IOException {
        File scriptUDFJarFile = File.createTempFile("PigScriptUDF", ".jar");
        // ensure the scriptUDFJarFile is deleted on exit
        scriptUDFJarFile.deleteOnExit();
        FileOutputStream fos = new FileOutputStream(scriptUDFJarFile);
        HashMap<String, String> contents = new HashMap<String, String>();
        createPigScriptUDFJar(fos, pigContext, contents);

        if (!contents.isEmpty()) {
            FileInputStream fis = null;
            String md5 = null;
            try {
                fis = new FileInputStream(scriptUDFJarFile);
                md5 = org.apache.commons.codec.digest.DigestUtils.md5Hex(fis);
            } finally {
                if (fis != null) {
                    fis.close();
                }
            }
            File newScriptUDFJarFile = new File(scriptUDFJarFile.getParent(), "PigScriptUDF-" + md5 + ".jar");
            scriptUDFJarFile.renameTo(newScriptUDFJarFile);
            return newScriptUDFJarFile;
        }
        return null;
    }

    private static void createPigScriptUDFJar(OutputStream os, PigContext pigContext, HashMap<String, String> contents) throws IOException {
        JarOutputStream jarOutputStream = new JarOutputStream(os);