| /************************************************************** |
| * |
| * 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 integration.extensions; |
| |
| import com.sun.star.uno.*; |
| import com.sun.star.lang.XComponent; |
| |
| public class ConsoleWait implements com.sun.star.lang.XEventListener |
| { |
| private Object m_disposable; |
| |
| /** a helper class which waits for a console ENTER key event in a dedicated thread, |
| and notifies a ConsoleWait object if this event happened |
| */ |
| private class WaitForEnter extends java.lang.Thread |
| { |
| private ConsoleWait m_toNotify; |
| private boolean m_done; |
| |
| public WaitForEnter( ConsoleWait _toNotify ) |
| { |
| m_toNotify = _toNotify; |
| m_done = false; |
| } |
| |
| public boolean isDone() |
| { |
| return m_done; |
| } |
| |
| public void run() |
| { |
| try |
| { |
| System.out.println( "\npress enter to exit" ); |
| System.in.read(); |
| |
| m_done = true; |
| // notify that the user pressed the key |
| synchronized ( m_toNotify ) |
| { |
| m_toNotify.notify(); |
| } |
| } |
| catch( java.lang.Exception e ) |
| { |
| // not really interested in |
| System.err.println( e ); |
| } |
| } |
| }; |
| |
| /** creates a ConsoleWait instance |
| * @param _disposable |
| * a component whose disposal should be monitored. When this component dies, |
| * the ConsoleWait also returns from an waitForConsole call, even if the user |
| * did not yet press the enter key |
| */ |
| public ConsoleWait( Object _disposable ) |
| { |
| m_disposable = _disposable; |
| XComponent component = (XComponent)UnoRuntime.queryInterface( XComponent.class, _disposable ); |
| if ( component != null ) |
| component.addEventListener( this ); |
| } |
| |
| /** waits for the user to press the ENTER key (on the console where she started the java program) |
| or the disposable component to be closed by the user. |
| @return |
| TRUE if the user pressed a key on the console, FALSE if she closed the document |
| */ |
| public boolean waitForUserInput() throws java.lang.Exception |
| { |
| synchronized (this) |
| { |
| WaitForEnter keyWaiter = new WaitForEnter( this ); |
| keyWaiter.start(); |
| wait(); |
| |
| // if the waiter thread is done, the user pressed enter |
| boolean bKeyPressed = keyWaiter.isDone(); |
| if ( !bKeyPressed ) |
| keyWaiter.interrupt(); |
| |
| return bKeyPressed; |
| } |
| } |
| |
| /* ------------------------------------------------------------------ */ |
| /* XEventListener overridables */ |
| /* ------------------------------------------------------------------ */ |
| public void disposing( com.sun.star.lang.EventObject eventObject ) |
| { |
| if ( eventObject.Source.equals( m_disposable ) ) |
| { |
| // notify ourself that we can stop waiting for user input |
| synchronized (this) |
| { |
| notify(); |
| } |
| } |
| } |
| } |