uima-ducc-web/src/main/java/org/apache/uima/ducc/ws/server/DuccHandlerViz.java - uima-ducc - Git at Google

 /*
  * 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.uima.ducc.ws.server;

 import java.io.IOException;

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

 import org.apache.uima.ducc.common.internationalization.Messages;
 import org.apache.uima.ducc.common.utils.DuccLogger;
 import org.apache.uima.ducc.common.utils.DuccLoggerComponents;
 import org.apache.uima.ducc.common.utils.id.DuccId;
 import org.apache.uima.ducc.ws.server.nodeviz.NodeViz;
 import org.eclipse.jetty.server.Request;

 public class DuccHandlerViz extends DuccAbstractHandler {

 	private static DuccLogger duccLogger = DuccLoggerComponents.getWsLogger(DuccHandlerClassic.class.getName());
 	private static Messages messages = Messages.getInstance();
 	private static DuccId jobid = null;

 	public final String vizNodes 				= duccContextViz+"-nodes";

 	NodeViz viz = null;

 	DuccHandlerViz()
 	{
 		viz = new NodeViz();
 	}

 	private void handleServletVizNodes(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
 	throws IOException, ServletException
 	{
 		String methodName = "handleServletVizNodes";
 		duccLogger.trace(methodName, jobid, messages.fetch("enter"));


 		//String data = "<html><p>"+methodName+" not yet implemented</p></html>";
 		String data = viz.getVisualization();

 		duccLogger.debug(methodName, jobid, data);
 		response.getWriter().println(data);
 		duccLogger.trace(methodName, jobid, messages.fetch("exit"));
 	}


 	private void handleServletUnknown(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
 	throws IOException, ServletException
 	{
 		String methodName = "handleServletUnknown";
 		duccLogger.trace(methodName, jobid, messages.fetch("enter"));
 		duccLogger.info(methodName, jobid, request.toString());
 		duccLogger.trace(methodName, jobid, messages.fetch("exit"));
 	}

 	private void handleDuccRequest(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
 	throws Exception
 	{
 		String methodName = "handleDuccRequest";
 		duccLogger.trace(methodName, jobid, messages.fetch("enter"));
 		duccLogger.debug(methodName, jobid,request.toString());
 		duccLogger.debug(methodName, jobid,"getRequestURI():"+request.getRequestURI());
 		String reqURI = request.getRequestURI()+"";
 		if(reqURI.startsWith(vizNodes)) {
 			handleServletVizNodes(target, baseRequest, request, response);
 		}
 		else {
 			handleServletUnknown(target, baseRequest, request, response);
 		}
 		duccLogger.trace(methodName, jobid, messages.fetch("exit"));
 	}

 	public void handle(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
 			throws IOException, ServletException {
 		String methodName = "handle";
 		try {
 			duccLogger.debug(methodName, jobid,request.toString());
 			duccLogger.debug(methodName, jobid,"getRequestURI():"+request.getRequestURI());
 			String reqURI = request.getRequestURI()+"";
 			if(reqURI.startsWith(duccContextViz)) {
 				response.setContentType("text/html;charset=utf-8");
 				response.setStatus(HttpServletResponse.SC_OK);
 				baseRequest.setHandled(true);
 				handleDuccRequest(target, baseRequest, request, response);
 				DuccWebUtil.noCache(response);
 			}
 		}
 		catch(Throwable t) {
 			if(isIgnorable(t)) {
 				duccLogger.debug(methodName, jobid, t);
 			}
 			else {
 				duccLogger.info(methodName, jobid, "", t.getMessage(), t);
 				duccLogger.error(methodName, jobid, t);
 			}
 		}
 	}
 }
	/*
	* 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.uima.ducc.ws.server;

	import java.io.IOException;

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

	import org.apache.uima.ducc.common.internationalization.Messages;
	import org.apache.uima.ducc.common.utils.DuccLogger;
	import org.apache.uima.ducc.common.utils.DuccLoggerComponents;
	import org.apache.uima.ducc.common.utils.id.DuccId;
	import org.apache.uima.ducc.ws.server.nodeviz.NodeViz;
	import org.eclipse.jetty.server.Request;

	public class DuccHandlerViz extends DuccAbstractHandler {

	private static DuccLogger duccLogger = DuccLoggerComponents.getWsLogger(DuccHandlerClassic.class.getName());
	private static Messages messages = Messages.getInstance();
	private static DuccId jobid = null;

	public final String vizNodes = duccContextViz+"-nodes";

	NodeViz viz = null;

	DuccHandlerViz()
	{
	viz = new NodeViz();
	}

	private void handleServletVizNodes(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
	throws IOException, ServletException
	{
	String methodName = "handleServletVizNodes";
	duccLogger.trace(methodName, jobid, messages.fetch("enter"));


	//String data = "<html><p>"+methodName+" not yet implemented</p></html>";
	String data = viz.getVisualization();

	duccLogger.debug(methodName, jobid, data);
	response.getWriter().println(data);
	duccLogger.trace(methodName, jobid, messages.fetch("exit"));
	}


	private void handleServletUnknown(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
	throws IOException, ServletException
	{
	String methodName = "handleServletUnknown";
	duccLogger.trace(methodName, jobid, messages.fetch("enter"));
	duccLogger.info(methodName, jobid, request.toString());
	duccLogger.trace(methodName, jobid, messages.fetch("exit"));
	}

	private void handleDuccRequest(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
	throws Exception
	{
	String methodName = "handleDuccRequest";
	duccLogger.trace(methodName, jobid, messages.fetch("enter"));
	duccLogger.debug(methodName, jobid,request.toString());
	duccLogger.debug(methodName, jobid,"getRequestURI():"+request.getRequestURI());
	String reqURI = request.getRequestURI()+"";
	if(reqURI.startsWith(vizNodes)) {
	handleServletVizNodes(target, baseRequest, request, response);
	}
	else {
	handleServletUnknown(target, baseRequest, request, response);
	}
	duccLogger.trace(methodName, jobid, messages.fetch("exit"));
	}

	public void handle(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
	throws IOException, ServletException {
	String methodName = "handle";
	try {
	duccLogger.debug(methodName, jobid,request.toString());
	duccLogger.debug(methodName, jobid,"getRequestURI():"+request.getRequestURI());
	String reqURI = request.getRequestURI()+"";
	if(reqURI.startsWith(duccContextViz)) {
	response.setContentType("text/html;charset=utf-8");
	response.setStatus(HttpServletResponse.SC_OK);
	baseRequest.setHandled(true);
	handleDuccRequest(target, baseRequest, request, response);
	DuccWebUtil.noCache(response);
	}
	}
	catch(Throwable t) {
	if(isIgnorable(t)) {
	duccLogger.debug(methodName, jobid, t);
	}
	else {
	duccLogger.info(methodName, jobid, "", t.getMessage(), t);
	duccLogger.error(methodName, jobid, t);
	}
	}
	}
	}