/* Copyright 2008 Google Inc.
*
* 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.
*
* $Id: ClientGuiceModule.java 529 2010-02-26 15:51:36Z raycolline $
*/
package com.google.dataconnector.util;
import com.google.dataconnector.protocol.ProtocolGuiceModule;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.inject.name.Named;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Properties;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import javax.net.SocketFactory;
/**
* Client Guice module.
*
* TODO(rayc) write unit tests for this module.
*
* @author rayc@google.com (Ray Colline)
*/
public class ClientGuiceModule extends AbstractModule {
private static final int MAX_THREADS = 500;
private static Injector injector = null;
@Override
protected void configure() {}
public static Injector getInjector() {
if (injector == null) {
injector = Guice.createInjector(new ClientGuiceModule(), new ProtocolGuiceModule());
}
return injector;
}
@Provides @Singleton
public SocketFactory getSocketFactory() {
return SocketFactory.getDefault();
}
@Provides @Singleton
public ThreadPoolExecutor getThreadPoolExecutor() {
return new ThreadPoolExecutor(50, MAX_THREADS, 60L, TimeUnit.SECONDS,
new SynchronousQueue<Runnable>());
}
/**
* Provides the runtime for methods needing to make processes.
*
* @return the VM's runtime.
*/
@Provides
public Runtime getRuntime() {
return Runtime.getRuntime();
}
@Provides @Singleton @Named("Socks Properties")
public Properties getSocksProperties(LocalConf localConf) {
final Properties properties = new Properties();
try {
properties.load(new ByteArrayInputStream(localConf.getSocksProperties().trim().getBytes()));
return properties;
} catch (IOException e) {
throw new RuntimeException("Invalid socks properties", e);
}
}
@Provides @Singleton @Named("localhost")
public InetAddress getLocalHostInetAddress() {
try {
return Inet4Address.getByName("127.0.0.1");
} catch (UnknownHostException e) {
throw new RuntimeException("Could not resolve localhost", e);
}
}
}