logwriter.java

来自「一款Java实现的HTTP代理服务器」· Java 代码 · 共 28 行

package rabbit.proxy;

import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;

/** A writer for log files.
 *
 * @author <a href="mailto:[e-mail]">Robert Olofsson</a>
 */
class LogWriter extends PrintWriter {
    private OutputStream os;
    
    public LogWriter (OutputStream os, boolean autoFlush) {
	super (os, autoFlush);
	this.os = os;
    }

    public LogWriter (Writer w, boolean autoFlush) {
	super (w, autoFlush);
	os = null;
    }

    public boolean isSystemWriter () {
	return (os == System.out || os == System.err);
    }
}