| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.hadoop.gateway.shell; |
| |
| import org.apache.http.HttpHost; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.auth.AuthScope; |
| import org.apache.http.auth.UsernamePasswordCredentials; |
| import org.apache.http.client.AuthCache; |
| import org.apache.http.client.protocol.ClientContext; |
| import org.apache.http.conn.scheme.PlainSocketFactory; |
| import org.apache.http.conn.scheme.Scheme; |
| import org.apache.http.conn.scheme.SchemeRegistry; |
| import org.apache.http.conn.ssl.SSLSocketFactory; |
| import org.apache.http.conn.ssl.TrustSelfSignedStrategy; |
| import org.apache.http.impl.auth.BasicScheme; |
| import org.apache.http.impl.client.BasicAuthCache; |
| import org.apache.http.impl.client.DefaultHttpClient; |
| import org.apache.http.impl.conn.PoolingClientConnectionManager; |
| import org.apache.http.protocol.BasicHttpContext; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.security.GeneralSecurityException; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| public class Hadoop { |
| |
| String base; |
| HttpHost host; |
| DefaultHttpClient client; |
| BasicHttpContext context; |
| String username; |
| String password; |
| ExecutorService executor; |
| |
| public static Hadoop login( String url, String username, String password ) throws URISyntaxException { |
| return new Hadoop( url, username, password ); |
| } |
| |
| private Hadoop( String url, String username, String password ) throws HadoopException, URISyntaxException { |
| this.executor = Executors.newCachedThreadPool(); |
| this.base = url; |
| this.username = username; |
| this.password = password; |
| |
| URI uri = new URI( url ); |
| host = new HttpHost( uri.getHost(), uri.getPort(), uri.getScheme() ); |
| |
| try { |
| client = createClient(); |
| client.getCredentialsProvider().setCredentials( |
| new AuthScope( host.getHostName(), host.getPort() ), |
| new UsernamePasswordCredentials( username, password ) ); |
| AuthCache authCache = new BasicAuthCache(); |
| BasicScheme authScheme = new BasicScheme(); |
| authCache.put( host, authScheme ); |
| context = new BasicHttpContext(); |
| context.setAttribute( ClientContext.AUTH_CACHE, authCache ); |
| } catch( GeneralSecurityException e ) { |
| throw new HadoopException( "Failed to create HTTP client.", e ); |
| } |
| } |
| |
| private static DefaultHttpClient createClient() throws GeneralSecurityException { |
| SchemeRegistry registry = new SchemeRegistry(); |
| SSLSocketFactory socketFactory = new SSLSocketFactory( new TrustSelfSignedStrategy(), SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER ); |
| registry.register( new Scheme( "https", 443, socketFactory ) ); |
| registry.register( new Scheme( "http", 80, new PlainSocketFactory() ) ); |
| PoolingClientConnectionManager mgr = new PoolingClientConnectionManager( registry ); |
| DefaultHttpClient client = new DefaultHttpClient( mgr, new DefaultHttpClient().getParams() ); |
| return client; |
| } |
| |
| public String base() { |
| return base; |
| } |
| |
| public HttpResponse executeNow( HttpRequest request ) throws IOException { |
| HttpResponse response = client.execute( host, request, context ); |
| if( response.getStatusLine().getStatusCode() < 400 ) { |
| return response; |
| } else { |
| throw new ErrorResponse( response ); |
| } |
| } |
| |
| public <T> Future<T> executeLater( Callable<T> callable ) { |
| return executor.submit( callable ); |
| } |
| |
| public void waitFor( Future<?>... futures ) throws ExecutionException, InterruptedException { |
| if( futures != null ) { |
| for( Future future : futures ) { |
| future.get(); |
| } |
| } |
| } |
| |
| public void waitFor( long timeout, TimeUnit units, Future<?>... futures ) throws ExecutionException, TimeoutException, InterruptedException { |
| if( futures != null ) { |
| timeout = TimeUnit.MILLISECONDS.convert( timeout, units ); |
| long start; |
| for( Future future : futures ) { |
| start = System.currentTimeMillis(); |
| future.get( timeout, TimeUnit.MILLISECONDS ); |
| timeout -= ( System.currentTimeMillis() - start ); |
| } |
| } |
| } |
| |
| public void shutdown() throws InterruptedException { |
| executor.shutdownNow(); |
| } |
| |
| public boolean shutdown( long timeout, TimeUnit unit ) throws InterruptedException { |
| executor.shutdown(); |
| return executor.awaitTermination( timeout, unit ); |
| } |
| |
| } |