org.apache.zookeeper.graph.servlets.StaticContent Maven / Gradle / Ivy

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LogGraph is an application for viewing and filtering zookeeper logs. It can handle transaction logs and message logs.

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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.zookeeper.graph.servlets;

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

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class StaticContent extends HttpServlet {
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
    {
	String path = request.getRequestURI().substring(request.getServletPath().length());

	InputStream resource = ClassLoader.getSystemResourceAsStream("org/apache/zookeeper/graph/resources" + path);	  
	if (resource == null) {
	    response.getWriter().println(path + " not found!");
	    response.setStatus(HttpServletResponse.SC_NOT_FOUND);
	    return;
	}
	try {
	  while (resource.available() > 0) {
	    response.getWriter().write(resource.read());
	  }
	} finally {
	  resource.close();
	}
	//        response.setContentType("text/plain;charset=utf-8");
        response.setStatus(HttpServletResponse.SC_OK);
    }

}