org.apache.hadoop.gateway.TempletonDemo.java Source code

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Here is the source code for org.apache.hadoop.gateway.TempletonDemo.java

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/**
 * 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;

import org.apache.hadoop.test.category.ManualTests;
import org.apache.hadoop.test.category.SlowTests;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.helpers.Loader;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

@Category({ ManualTests.class, SlowTests.class })
public class TempletonDemo {

    @Test
    public void demoDirect() throws IOException {
        demo("http://vm:50111/templeton/v1/mapreduce/jar");
    }

    @Test
    public void demoGateway() throws IOException {
        URL url = Loader.getResource("log4j.properties");
        System.out.println(url);
        demo("http://localhost:8888/gateway/cluster/templeton/v1/mapreduce/jar");
    }

    private void demo(String url) throws IOException {
        HttpClient client = new DefaultHttpClient();
        List<NameValuePair> parameters = new ArrayList<NameValuePair>();
        parameters.add(new BasicNameValuePair("user.name", "hdfs"));
        parameters.add(new BasicNameValuePair("jar", "wordcount/org.apache.hadoop-examples.jar"));
        parameters.add(new BasicNameValuePair("class", "org.apache.org.apache.hadoop.examples.WordCount"));
        parameters.add(new BasicNameValuePair("arg", "wordcount/input"));
        parameters.add(new BasicNameValuePair("arg", "wordcount/output"));
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(parameters, Charset.forName("UTF-8"));
        HttpPost request = new HttpPost(url);
        request.setEntity(entity);
        HttpResponse response = client.execute(request);
        System.out.println(EntityUtils.toString(response.getEntity()));
    }

}