Method recompile

src/main/java/groovy/lang/GroovyClassLoader.java:765–784

(Re)Compiles the given source. This method starts the compilation of a given source, if the source has changed since the class was created. For this isSourceNewer is called. @param source the source pointer for the compilation @param className the name of the class to be generated @param oldClas

(final URL source, final String className, final Class oldClass)

     * @see #isSourceNewer(URL, Class)
     */
    protected Class recompile(final URL source, final String className, final Class oldClass) throws CompilationFailedException, IOException {
        if (source != null) {
            // found a source, compile it if newer
            if (oldClass == null || isSourceNewer(source, oldClass)) {
                String name = source.toExternalForm();

                sourceCache.remove(name);

                if (isFile(source)) {
                    try {
                        return parseClass(new GroovyCodeSource(new File(source.toURI()), sourceEncoding));
                    } catch (URISyntaxException e) {
                        // do nothing and fall back to the other version
                    }
                }
                return parseClass(new InputStreamReader(URLStreams.openUncachedStream(source), sourceEncoding), name);
            }
        }
        return oldClass;
    }

    /**
     * Gets the time stamp of a given class. For groovy