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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.plugin.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.Calendar;
import java.util.Date;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Level;
import org.eclipse.osee.framework.jdk.core.util.IConsoleInputListener;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.ui.plugin.internal.OseePluginUiActivator;
import org.eclipse.osee.framework.ui.swt.Displays;
import org.eclipse.swt.SWT;
import org.eclipse.ui.console.ConsolePlugin;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IOConsole;
import org.eclipse.ui.console.IOConsoleOutputStream;
/**
* Creates an Eclipse Console instance and allows writing output, errors and prompt messages There should be at one
* instance of a ConsoleWriter per plugin that needs to output messages and errors. *
*
* @author Donald G. Dunne
*/
public class OseeConsole {
private IOConsoleOutputStream streamOut = null;
private IOConsoleOutputStream streamErr = null;
private IOConsoleOutputStream streamPrompt = null;
private final IOConsole console;
private final HandleInput inputHandler;
private final boolean time;
private final Thread thread;
public OseeConsole(String title) {
this(title, true);
}
private OseeConsole(String title, boolean time) {
console = new IOConsole(title, null);
this.time = time;
this.inputHandler = new HandleInput();
thread = new Thread(inputHandler);
thread.setName("Osee console input handler");
ConsolePlugin.getDefault().getConsoleManager().addConsoles(new IConsole[] {console});
Displays.ensureInDisplayThread(new Runnable() {
@Override
public void run() {
streamOut = console.newOutputStream();// newMessageStream();
streamOut.setColor(Displays.getSystemColor(SWT.COLOR_BLACK));
streamOut.setActivateOnWrite(false);
streamErr = console.newOutputStream();
streamErr.setColor(Displays.getSystemColor(SWT.COLOR_RED));
streamErr.setActivateOnWrite(false);
streamPrompt = console.newOutputStream();
streamPrompt.setColor(Displays.getSystemColor(SWT.COLOR_BLUE));
streamPrompt.setActivateOnWrite(false);
}
});
thread.start();
}
public PrintStream getPrintStream() {
return new PrintStream(streamOut);
}
public void shutdown() {
thread.interrupt();
try {
thread.join(5000);
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
ConsolePlugin.getDefault().getConsoleManager().removeConsoles(new IConsole[] {console});
}
}
public static final int CONSOLE_ERROR = 0;
public static final int CONSOLE_OUT = 1;
public static final int CONSOLE_PROMPT = 2;
/**
* Writes string to console without popping console forward
*/
public void write(String str) {
write(str, false);
}
/**
* Writes string to console without popping console forward
*/
public void writeError(String str) {
write(str, CONSOLE_ERROR, true);
}
/**
* Writes string to console
*
* @param popup bring console window forward
*/
public void write(String str, boolean popup) {
write(str, CONSOLE_OUT, popup);
}
/**
* Write string to console
*
* @param type CONSOLE_ERROR, CONSOLE_OUT, CONSOLE_PROMPT
*/
public void write(String str, int type) {
write(str, type, false);
}
/**
* Write string to console
*
* @param type CONSOLE_ERROR, CONSOLE_OUT, CONSOLE_PROMPT
* @param popup bring console window forward
*/
public void write(String str, int type, boolean popup) {
String time = "";
if (this.time) {
Calendar cal = Calendar.getInstance();
cal.setTime(new Date());
if (cal.get(Calendar.HOUR) == 0) {
time = "12";
} else {
time = "" + cal.get(Calendar.HOUR);
}
time = Lib.padLeading(time, '0', 2);
String minute = "" + cal.get(Calendar.MINUTE);
minute = Lib.padLeading(minute, '0', 2);
time += ":" + minute + " => ";
}
try {
sendToStreams(type, time);
if (str.length() > 100000) {
int i = 0;
while (i < str.length()) {
int endIndex = i + 100000;
endIndex = endIndex > str.length() ? str.length() : endIndex;
String chunk = str.substring(i, endIndex);
sendToStreams(type, chunk);
i = endIndex;
}
} else {
sendToStreams(type, str);
}
sendToStreams(type, "\n");
if (popup) {
popup();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
public void prompt(String str) throws IOException {
sendToStreams(CONSOLE_PROMPT, str);
}
private void sendToStreams(int type, String str) throws IOException {
if (type == CONSOLE_ERROR && streamErr != null) {
streamErr.write(str);
}
if (type == CONSOLE_PROMPT && streamPrompt != null) {
streamPrompt.write(str);
}
if (type == CONSOLE_OUT && streamOut != null) {
streamOut.write(str);
}
}
public void popup() {
ConsolePlugin.getDefault().getConsoleManager().showConsoleView(console);
}
public void addInputListener(IConsoleInputListener listener) {
inputHandler.addListener(listener);
}
public void removeInputListener(IConsoleInputListener listener) {
inputHandler.removeListener(listener);
}
private class HandleInput implements Runnable {
private final CopyOnWriteArrayList<IConsoleInputListener> listeners;
public HandleInput() {
listeners = new CopyOnWriteArrayList<IConsoleInputListener>();
}
public void addListener(IConsoleInputListener listener) {
listeners.add(listener);
}
public void removeListener(IConsoleInputListener listener) {
listeners.remove(listener);
}
@Override
public void run() {
BufferedReader input = new BufferedReader(new InputStreamReader(console.getInputStream()));
try {
String line = null;
while ((line = input.readLine()) != null) {
for (IConsoleInputListener listener : listeners) {
listener.lineRead(line);
}
}
} catch (IOException e) {
e.printStackTrace();
}
OseeLog.log(OseePluginUiActivator.class, Level.INFO, "done with the handling of input");
}
}
}
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