| /* |
| * 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.royale.test.ant.launcher.contexts; |
| |
| import java.io.IOException; |
| |
| import org.apache.tools.ant.Project; |
| import org.apache.royale.test.ant.LoggingUtil; |
| import org.apache.royale.test.ant.launcher.commands.headless.XvncException; |
| import org.apache.royale.test.ant.launcher.commands.headless.XvncStartCommand; |
| import org.apache.royale.test.ant.launcher.commands.headless.XvncStopCommand; |
| import org.apache.royale.test.ant.launcher.commands.process.ProcessCommand; |
| |
| /** |
| * Context used to wrap a call to the player command in a start and stop of a vncserver. |
| * All vncserver commands are blocking. |
| */ |
| public class HeadlessContext implements ProcessExecutionContext |
| { |
| private ProcessCommand playerCommand; |
| private int startDisplay; |
| private int finalDisplay; |
| private Project project; |
| |
| public HeadlessContext(int display) |
| { |
| this.startDisplay = display; |
| } |
| |
| public void setProject(Project project) |
| { |
| this.project = project; |
| } |
| |
| public void setCommand(ProcessCommand command) |
| { |
| this.playerCommand = command; |
| } |
| |
| public void start() throws IOException |
| { |
| // setup vncserver on the provided display |
| XvncStartCommand xvncStart = new XvncStartCommand(startDisplay); |
| xvncStart.setProject(project); |
| |
| LoggingUtil.log("Starting xvnc", true); |
| |
| // execute the maximum number of cycle times before throwing an exception |
| while (xvncStart.execute() != 0) |
| { |
| LoggingUtil.log("Cannot start xnvc on :" + xvncStart.getCurrentDisplay() + ", cycling ..."); |
| |
| try |
| { |
| xvncStart.cycle(); |
| } |
| catch (XvncException xe) { |
| throw new IOException(xe); |
| } |
| } |
| |
| finalDisplay = xvncStart.getCurrentDisplay(); |
| |
| //setup player command to use the right display in its env when launching |
| playerCommand.setEnvironment(new String[]{ "DISPLAY=:" + finalDisplay }); |
| LoggingUtil.log("Setting DISPLAY=:" + finalDisplay); |
| |
| //prep anything the command needs to run |
| playerCommand.prepare(); |
| } |
| |
| public void stop(Process playerProcess) throws IOException |
| { |
| // destroy the process related to the player if it exists |
| if(playerProcess != null) |
| { |
| playerProcess.destroy(); |
| } |
| |
| // Now stop the vncserver that the player has been destroyed |
| XvncStopCommand xvncStop = new XvncStopCommand(finalDisplay); |
| xvncStop.setProject(project); |
| xvncStop.execute(); |
| } |
| } |