| /* |
| * 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 flash.tools.debugger.concrete; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.StringWriter; |
| |
| import flash.tools.debugger.AlreadyActiveApplicationException; |
| import flash.tools.debugger.CommandLineException; |
| import flash.tools.debugger.ILaunchNotification; |
| |
| /** |
| * Listens to several things about a process: captures its stdout/stderr messages, |
| * detects when the process exits, and captures its exit code. |
| * <p> |
| * When a process exits, the ProcessListener can send out a notification. If |
| * you want that to happen, call startLaunchNotifier(). |
| */ |
| public class ProcessListener |
| { |
| private Process m_process; |
| private ILaunchNotification m_launchNotification; |
| private boolean m_isDebugging; |
| private boolean m_isAIRapp; |
| private final String[] m_launchCommand; |
| private StringWriter m_processMessages; |
| |
| /** |
| * A background thread that will wait until the process terminates, and then |
| * call the launch listener. |
| */ |
| private Thread m_launchNotifierThread = new Thread("DJAPI ProcessListener") //$NON-NLS-1$ |
| { |
| @Override |
| public void run() |
| { |
| try |
| { |
| m_process.waitFor(); |
| |
| IOException e = null; |
| if (getProcessExitValue() != 0) |
| e = createLaunchFailureException(); |
| m_launchNotification.notify(e); |
| } |
| catch (InterruptedException e) |
| { |
| // this will happen if anyone calls Thread.interrupt() |
| } |
| } |
| }; |
| private boolean m_isRunLaunch; |
| |
| /** |
| * Starts listening to stdout and stderr of the launched process. The caller |
| * can later call getProcessMessages() to capture that output. |
| */ |
| public ProcessListener(String[] launchCommand, Process process, ILaunchNotification launchNotification, boolean forDebugging, boolean isAIRapp) |
| { |
| m_launchCommand = launchCommand; |
| m_process = process; |
| m_launchNotification = launchNotification; |
| m_isDebugging = forDebugging; |
| m_isAIRapp = isAIRapp; |
| m_processMessages = new StringWriter(); |
| startMessageListener(); |
| } |
| |
| private void startMessageListener() |
| { |
| new StreamListener(new InputStreamReader(m_process.getInputStream()), m_processMessages).start(); |
| new StreamListener(new InputStreamReader(m_process.getErrorStream()), m_processMessages).start(); |
| try |
| { |
| OutputStream stm = m_process.getOutputStream(); |
| if (stm != null) |
| stm.close(); |
| } |
| catch (IOException e) |
| { |
| /* not serious; ignore */ |
| } |
| } |
| |
| /** |
| * Creates a background thread that will call the launch notifier when the |
| * process terminates. |
| */ |
| public void startLaunchNotifier() |
| { |
| if (m_launchNotification == null) |
| throw new NullPointerException(); |
| |
| m_launchNotifierThread.setDaemon(true); |
| m_launchNotifierThread.start(); |
| } |
| |
| /** |
| * Returns the command args that were used to launch the process. |
| */ |
| public String[] getLaunchCommand() |
| { |
| return m_launchCommand; |
| } |
| |
| public boolean isAIRApp() |
| { |
| return m_isAIRapp; |
| } |
| |
| public boolean isProcessDead() |
| { |
| // If the process is still alive, then exitValue() will throw an exception: |
| try { |
| m_process.exitValue(); |
| return true; |
| } catch (IllegalThreadStateException e) { |
| return false; |
| } |
| } |
| |
| public int getProcessExitValue() throws IllegalThreadStateException |
| { |
| return m_process.exitValue(); |
| } |
| |
| /** |
| * Returns all messages that were sent to stdout and stderr by the process, |
| * combined into one string. |
| */ |
| public String getProcessMessages() |
| { |
| return m_processMessages.toString(); |
| } |
| |
| /** |
| * Creates an exception indicating that the process terminated with some sort |
| * of error. The returned exception may be an AlreadyActiveApplicationException |
| * or a CommandLineException. |
| */ |
| public IOException createLaunchFailureException() |
| { |
| IOException e = null; |
| String detailMessage; |
| |
| if (m_isDebugging) |
| { |
| detailMessage = PlayerSessionManager.getLocalizationManager().getLocalizedTextString( |
| "processTerminatedWithoutDebuggerConnection"); //$NON-NLS-1$ |
| } |
| else |
| { |
| detailMessage = PlayerSessionManager.getLocalizationManager().getLocalizedTextString( |
| "processTerminatedUnexpectedly"); //$NON-NLS-1$ |
| } |
| |
| // You can only call this function if the process has terminated |
| if (!isProcessDead()) |
| { |
| throw new IllegalThreadStateException(); |
| } |
| |
| /* |
| * When adding auto-terminate for run launch, we notice that on clicking the |
| * terminate button, the process exits with exitValue = 1 (due to unexpected |
| * termination). We just ignore this error message. |
| * Since we anyways now allow exitValue = 1(previously for app already running) |
| * for run launch, we shall skip displaying the message. |
| */ |
| |
| int exitValue = getProcessExitValue(); |
| |
| if (m_isAIRapp && exitValue == 1) //ADL Exit Code: Successful invocation of an already running AIR application. ADL exits immediately. |
| { |
| if(!m_isRunLaunch) { |
| e = new AlreadyActiveApplicationException(detailMessage, m_isDebugging); |
| } |
| } |
| else |
| { |
| e = new CommandLineException(detailMessage, getLaunchCommand(), getProcessMessages(), exitValue); |
| } |
| |
| return e; |
| } |
| |
| public void setIsRunLaunch(boolean forRunLaunching) { |
| m_isRunLaunch = forRunLaunching; |
| } |
| } |