Class InMemoryJavaCompiler

client/src/main/java/SennaLoader.java:243–375

Compile Java sources in-memory

     * Compile Java sources in-memory
     */
    public static class InMemoryJavaCompiler {
        private JavaCompiler javac;
        private DynamicClassLoader classLoader;
        private Iterable<String> options;
        boolean ignoreWarnings = true;

        private Map<String, SourceCode> sourceCodes = new HashMap<String, SourceCode>();

        public static InMemoryJavaCompiler newInstance() {
            return new InMemoryJavaCompiler();
        }

        private InMemoryJavaCompiler() {
            this.javac = ToolProvider.getSystemJavaCompiler();
            this.classLoader = new DynamicClassLoader(ClassLoader.getSystemClassLoader());
        }

        public InMemoryJavaCompiler useParentClassLoader(ClassLoader parent) {
            this.classLoader = new DynamicClassLoader(parent);
            return this;
        }

        /**
         * @return the class loader used internally by the compiler
         */
        public ClassLoader getClassloader() {
            return classLoader;
        }

        /**
         * Options used by the compiler, e.g. '-Xlint:unchecked'.
         *
         * @param options
         * @return
         */
        public InMemoryJavaCompiler useOptions(String... options) {
            this.options = Arrays.asList(options);
            return this;
        }

        /**
         * Ignore non-critical compiler output, like unchecked/unsafe operation
         * warnings.
         *
         * @return
         */
        public InMemoryJavaCompiler ignoreWarnings() {
            ignoreWarnings = true;
            return this;
        }

        /**
         * Compile all sources
         *
         * @return Map containing instances of all compiled classes
         * @throws Exception
         */
        public Map<String, Class<?>> compileAll() throws Exception {