org.apache.logging.log4j.message.SimpleMessage Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of pax-logging-api Show documentation

The Pax Logging API Library is to allow for the Pax Logging Service to be reloaded without stopping the many dependent bundles. It also contains the OSGi Log Service API and the Knopflerfish Log API.

There is a newer version: 2.2.8

Show newest version

/*
 * 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.message;

/**
 * The simplest possible implementation of Message. It just returns the String given as the constructor argument.
 */
public class SimpleMessage implements Message {
    private static final long serialVersionUID = -8398002534962715992L;

    private final String message;

    /**
     * Basic constructor.
     */
    public SimpleMessage() {
        this(null);
    }

    /**
     * Constructor that includes the message.
     * @param message The String message.
     */
    public SimpleMessage(final String message) {
        this.message = message;
    }

    /**
     * Returns the message.
     * @return the message.
     */
    @Override
    public String getFormattedMessage() {
        return message;
    }

    /**
     * Returns the message.
     * @return the message.
     */
    @Override
    public String getFormat() {
        return message;
    }

    /**
     * Returns null since there are no parameters.
     * @return null.
     */
    @Override
    public Object[] getParameters() {
        return null;
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        final SimpleMessage that = (SimpleMessage) o;

        return !(message != null ? !message.equals(that.message) : that.message != null);
    }

    @Override
    public int hashCode() {
        return message != null ? message.hashCode() : 0;
    }

    @Override
    public String toString() {
        return "SimpleMessage[message=" + message + ']';
    }

    /**
     * Always returns null.
     *
     * @return null
     */
    @Override
    public Throwable getThrowable() {
        return null;
    }
}