/*
* Copyright 2010 Google Inc.
*
* Licensed 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 peergos.client;
import java.io.OutputStream;
import java.io.PrintStream;
/** Print stream for GWT that prints to the browser console.
*
* @author Stefan Haustein */
public class ConsolePrintStream extends PrintStream {
StringBuilder buf = new StringBuilder();
public ConsolePrintStream () {
super((OutputStream)null);
}
public void print (String s) {
while (true) {
int cut = s.indexOf('\n');
if (cut == -1) {
break;
}
println(s.substring(0, cut));
s = s.substring(cut + 1);
}
buf.append(s);
}
public native void consoleLog (String msg) /*-{
if (window.console) {
window.console.log(msg);
} else {
document.title = "LOG:" + msg;
}
}-*/;
public void print (char c) {
if (c == '\n') {
println("");
} else {
buf.append(c);
}
}
public void println () {
println("");
}
@Override
public void println (String s) {
buf.append(s);
consoleLog(buf.toString());
buf.setLength(0);
}
}