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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.btrace.services.impl;
import com.sun.btrace.BTraceRuntime;
import com.sun.btrace.comm.MessageCommand;
import com.sun.btrace.services.spi.BTraceService;
import com.sun.btrace.services.spi.RuntimeService;
/**
* A very rudimentary printer service.
* <p>
* Currently, this is a showcase for how to implement a {@linkplain BTraceService}.
* It might be extended to a grown-up printer service later on.
*
* @author Jaroslav Bachorik
*/
final public class Printer extends RuntimeService {
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
public Printer(BTraceRuntime rt) {
super(rt);
}
public void print(String str) {
send(str);
}
public void println(String str) {
print(str + LINE_SEPARATOR);
}
public void println() {
send(LINE_SEPARATOR);
}
private void send(String msg) {
rt.send(new MessageCommand(0L, msg));
}
}