/* | |
* 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 customplugin; | |
import java.util.Collections; | |
import java.util.Map; | |
import org.apache.logging.log4j.core.LogEvent; | |
import org.apache.logging.log4j.plugins.Plugin; | |
import org.apache.logging.log4j.plugins.PluginAttribute; | |
import org.apache.logging.log4j.plugins.PluginFactory; | |
import org.apache.logging.log4j.core.layout.AbstractStringLayout; | |
@Plugin(name = "FixedString", category = "Core", elementType = "layout", printObject = true) | |
public class FixedStringLayout extends AbstractStringLayout { | |
private String fixedString; | |
@PluginFactory | |
public static FixedStringLayout createLayout( | |
@PluginAttribute("fixedString") final String fixedString) { | |
return new FixedStringLayout(fixedString); | |
} | |
public FixedStringLayout(String fixedString) { | |
super(null, null, null); | |
this.fixedString = fixedString; | |
} | |
@Override | |
public String toSerializable(LogEvent event) { | |
return fixedString; | |
} | |
@Override | |
public Map<String, String> getContentFormat() { | |
return Collections.emptyMap(); | |
} | |
} |