log4j-core/src/test/java/org/apache/logging/log4j/core/appender/ConsoleAppenderDefaultSuppressedThrowable.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.logging.log4j.core.appender;

import java.io.IOException;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.config.Configurator;

/**
 * Shows how to use ANSI escape codes to color messages. Each message is printed
 * to the console in color, but the rest of the log entry (time stamp for
 * example) is in the default color for that console.
 * <p>
 * Running from a Windows command line from the root of the project:
 * </p>
 *
 * <pre>
 * java -classpath log4j-core\target\test-classes;log4j-core\target\classes;log4j-api\target\classes;%HOME%\.m2\repository\org\fusesource\jansi\jansi\1.14\jansi-1.14.jar; org.apache.logging.log4j.core.appender.ConsoleAppenderNoAnsiStyleLayoutMain log4j-core/target/test-classes/log4j2-console-style-ansi.xml
 * </pre>
 */
public class ConsoleAppenderDefaultSuppressedThrowable {

	private static final Logger LOG = LogManager.getLogger(ConsoleAppenderDefaultSuppressedThrowable.class);

	public static void main(final String[] args) {
		final String config = args.length == 0 ? "target/test-classes/log4j2-console-default-suppressed-throwable.xml"
				: args[0];
		test(args, config);
	}

    static void test(final String[] args, final String config) {
        // System.out.println(System.getProperty("java.class.path"));
        try (final LoggerContext ctx = Configurator
                .initialize(ConsoleAppenderDefaultSuppressedThrowable.class.getName(), config)) {
            final IOException ioEx = new IOException("test suppressed");
            ioEx.addSuppressed(new IOException("test suppressed 1", new IOException("test 1")));
            final IOException ioEx2 = new IOException("test 2");
            ioEx2.addSuppressed(new IOException("test 3"));
            ioEx.addSuppressed(new IOException("test suppressed 2", ioEx2));
            final IOException e = new IOException("test", ioEx);
            LOG.error("Error message {}, suppressed?", "Hi", e);
            System.out.println("printStackTrace");
            e.printStackTrace();
        }
    }

}