org.apache.openejb.util.Log4jPrintWriter Maven / Gradle / Ivy

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/*
 * 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 org.apache.openejb.util;

import org.apache.log4j.Logger;
import org.apache.log4j.Priority;

import java.io.PrintWriter;

/**
 * @version $Rev$ $Date$
 */
public class Log4jPrintWriter extends PrintWriter {
    private final StringBuffer text = new StringBuffer("");
    private final Logger logger;
    private final Priority priority;

    public Log4jPrintWriter(final String category, final Priority priority) {
        super(System.err);
        logger = Logger.getLogger(category);
        this.priority = priority;
    }

    public void close() {
        flush();
    }

    private void flushLine() {
        logger.log(priority, text.toString());
        text.setLength(0);
    }

    public void flush() {
        if (!text.toString().equals("")) {
            flushLine();
        }
    }

    public void print(final boolean b) {
        text.append(b);
    }

    public void print(final char c) {
        text.append(c);
    }

    public void print(final char[] s) {
        text.append(s);
    }

    public void print(final double d) {
        text.append(d);
    }

    public void print(final float f) {
        text.append(f);
    }

    public void print(final int i) {
        text.append(i);
    }

    public void print(final long l) {
        text.append(l);
    }

    public void print(final Object obj) {
        text.append(obj);
    }

    public void print(final String s) {
        text.append(s);
    }

    public void println() {
        if (!text.toString().equals("")) {
            flushLine();
        }
    }

    public void println(final boolean x) {
        text.append(x);
        flushLine();
    }

    public void println(final char x) {
        text.append(x);
        flushLine();
    }

    public void println(final char[] x) {
        text.append(x);
        flushLine();
    }

    public void println(final double x) {
        text.append(x);
        flushLine();
    }

    public void println(final float x) {
        text.append(x);
        flushLine();
    }

    public void println(final int x) {
        text.append(x);
        flushLine();
    }

    public void println(final long x) {
        text.append(x);
        flushLine();
    }

    public void println(final Object x) {
        text.append(x);
        flushLine();
    }

    public void println(final String x) {
        text.append(x);
        flushLine();
    }
}