Service.java

/*
 * 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.huahinframework.manager.rest.service;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.hadoop.mapred.JobConf;
import org.huahinframework.manager.Properties;
import org.huahinframework.manager.queue.QueueUtils;
import org.huahinframework.manager.util.JobUtils;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 */
public abstract class Service {
    protected Properties properties;
    private String queuePath;
    private String jarPath;
    private JobConf jobConf;

    /**
     * @param in
     * @return {@link JSONObject}
     * @throws IOException
     * @throws JSONException
     */
    protected JSONObject createJSON(InputStream in)
            throws IOException, JSONException {
        BufferedReader reader =
                new BufferedReader(new InputStreamReader(in, "UTF-8"));
        StringBuilder sb = new StringBuilder();
        String str;
        while ((str = reader.readLine()) != null) {
            sb.append(str);
        }

        return new JSONObject(sb.toString());
    }


    /**
     * @return {@link JobConf}
     */
    protected JobConf getJobConf() {
        return jobConf;
    }

    /**
     * @return queue path
     */
    public String getQueuePath() {
        return queuePath;
    }

    /**
     * @return jar path
     */
    public String getJarPath() {
        return jarPath;
    }

    /**
     * @param properties the properties to set
     */
    public void setProperties(Properties properties) {
        this.properties = properties;
        this.queuePath = QueueUtils.getQueuePath(properties.getHuahinHome());
        this.jarPath = properties.getHuahinHome() + "/queue/jar/";
        this.jobConf = JobUtils.getJobConf(this.properties);
    }
}