trunk/chemistry-opencmis-workbench/chemistry-opencmis-workbench/src/main/java/org/apache/chemistry/opencmis/workbench/ClientWriterAppender.java

/*
 * 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.chemistry.opencmis.workbench;

import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

import org.apache.log4j.WriterAppender;
import org.apache.log4j.spi.LoggingEvent;

public class ClientWriterAppender extends WriterAppender {

    private static JTextArea logTextArea = null;

    public static void setTextArea(JTextArea textArea) {
        logTextArea = textArea;
    }

    @Override
    public void append(LoggingEvent loggingEvent) {
        if (logTextArea == null) {
            return;
        }

        final String message = layout.format(loggingEvent);

        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                logTextArea.append(message);
            }
        });
    }
}