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diff --git a/jack-api/src/com/android/jack/api/example/WithServiceLoader.java b/jack-api/src/com/android/jack/api/example/WithServiceLoader.java
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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.jack.api.example;
+
+import com.android.jack.api.ConfigNotSupportedException;
+import com.android.jack.api.JackConfig;
+import com.android.jack.api.JackProvider;
+import com.android.jack.api.v01.Api01CompilationTask;
+import com.android.jack.api.v01.Api01Config;
+import com.android.jack.api.v01.CompilationException;
+import com.android.jack.api.v01.ConfigurationException;
+import com.android.jack.api.v01.UnrecoverableException;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.NoSuchElementException;
+import java.util.ServiceLoader;
+
+/**
+ * Sample of Jack api usage based on a service provider.
+ * This sample requires jack.jar on classpath.
+ */
+public class WithServiceLoader {
+ public static void main(String[] args) throws SecurityException, IllegalArgumentException {
+ if (args.length != 3) {
+ System.out.println(
+ "Usage: <jack core library> <source files directory> <output dex files directory>");
+ return;
+ }
+
+ ServiceLoader<JackProvider> serviceLoader = ServiceLoader.load(JackProvider.class);
+ JackProvider provider;
+ try {
+ provider = serviceLoader.iterator().next();
+ } catch (NoSuchElementException e) {
+ System.out.println("Check that jack.jar is on classpath");
+ return;
+ }
+
+ System.out.println("Compiler version: " + provider.getCompilerVersion());
+ System.out.println("Compiler release name: " + provider.getCompilerReleaseName());
+ System.out.println("Compiler release code: " + provider.getCompilerReleaseCode());
+ System.out.println("Compiler sub-release kind: " + provider.getCompilerSubReleaseKind());
+ System.out.println("Compiler sub-release code: " + provider.getCompilerSubReleaseCode());
+ String str;
+ str = provider.getCompilerBuildId();
+ System.out.println("Compiler build id: " + ((str != null) ? str : "Unknown"));
+ str = provider.getCompilerSourceCodeBase();
+ System.out.println("Compiler souce code base: " + ((str != null) ? str : "Unknown"));
+ System.out.print("Supported configurations: ");
+
+ for (Class<? extends JackConfig> config : provider.getSupportedConfigs()) {
+ System.out.print(config.getSimpleName());
+ assert provider.isConfigSupported(config);
+ }
+ System.out.println();
+
+ Api01CompilationTask compilationTask;
+ Api01Config config;
+
+ // Get configuration object
+ try {
+ config = provider.createConfig(Api01Config.class);
+ } catch (ConfigNotSupportedException e1) {
+ System.err.println("Brest config not supported)");
+ return;
+ }
+
+ // Configure the compiler
+ try {
+ config.setClasspath(Arrays.asList(new File(args[0])));
+
+ config.setSourceEntries(Arrays.asList(new File(args[1])));
+
+ config.setOutputDexDir(new File(args[2]));
+
+ // Check and build compiler
+ compilationTask = config.getTask();
+ } catch (ConfigurationException e) {
+ System.err.println(e.getMessage());
+ return;
+ }
+
+ // Run the compilation
+ try {
+ compilationTask.run();
+ } catch (CompilationException e) {
+ System.out.println("User error, see reporter");
+ return;
+ } catch (UnrecoverableException e) {
+ System.out.println("Something out of Jack control has happen: " + e.getMessage());
+ return;
+ } catch (ConfigurationException e) {
+ System.err.println(e.getMessage());
+ return;
+ }
+ }
+}