org.apache.hadoop.hbase.rest.HBaseRESTTestingUtility.java Source code

Introduction

Here is the source code for org.apache.hadoop.hbase.rest.HBaseRESTTestingUtility.java

Source

/**
 *
 * 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.hbase.rest;

import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.security.User;
import org.apache.hadoop.hbase.util.HttpServerUtil;
import org.apache.hadoop.util.StringUtils;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.servlet.Context;
import org.mortbay.jetty.servlet.ServletHolder;

import com.sun.jersey.spi.container.servlet.ServletContainer;

public class HBaseRESTTestingUtility {

    static final Log LOG = LogFactory.getLog(HBaseRESTTestingUtility.class);

    private int testServletPort;
    private Server server;

    public int getServletPort() {
        return testServletPort;
    }

    public void startServletContainer(Configuration conf) throws Exception {
        if (server != null) {
            LOG.error("ServletContainer already running");
            return;
        }

        // Inject the conf for the test by being first to make singleton
        RESTServlet.getInstance(conf, User.getCurrent().getUGI());

        // set up the Jersey servlet container for Jetty
        ServletHolder sh = new ServletHolder(ServletContainer.class);
        sh.setInitParameter("com.sun.jersey.config.property.resourceConfigClass",
                ResourceConfig.class.getCanonicalName());
        sh.setInitParameter("com.sun.jersey.config.property.packages", "jetty");

        LOG.info("configured " + ServletContainer.class.getName());

        // set up Jetty and run the embedded server
        server = new Server(0);
        server.setSendServerVersion(false);
        server.setSendDateHeader(false);
        // set up context
        Context context = new Context(server, "/", Context.SESSIONS);
        context.addServlet(sh, "/*");
        // Load filters specified from configuration.
        String[] filterClasses = conf.getStrings(Constants.FILTER_CLASSES, ArrayUtils.EMPTY_STRING_ARRAY);
        for (String filter : filterClasses) {
            filter = filter.trim();
            context.addFilter(Class.forName(filter), "/*", 0);
        }
        HttpServerUtil.constrainHttpMethods(context);
        LOG.info("Loaded filter classes :" + filterClasses);
        // start the server
        server.start();
        // get the port
        testServletPort = server.getConnectors()[0].getLocalPort();

        LOG.info("started " + server.getClass().getName() + " on port " + testServletPort);
    }

    public void shutdownServletContainer() {
        if (server != null)
            try {
                server.stop();
                server = null;
                RESTServlet.stop();
            } catch (Exception e) {
                LOG.warn(StringUtils.stringifyException(e));
            }
    }
}