001/**
002 * Copyright 2010-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.common.util.log.log4j.model;
017
018import java.util.ArrayList;
019import java.util.Collections;
020import java.util.List;
021
022import javax.xml.bind.annotation.XmlAttribute;
023import javax.xml.bind.annotation.XmlElement;
024
025import org.kuali.common.util.Assert;
026import org.kuali.common.util.nullify.NullUtils;
027
028public final class Appender {
029
030        public static final List<Appender> EMPTY = Collections.<Appender> emptyList();
031        public static final Class<? extends org.apache.log4j.Appender> NO_APPENDER_CLASS = org.apache.log4j.Appender.class;
032        public static final Appender NONE = new Appender();
033
034        @XmlAttribute
035        private final String name;
036
037        @XmlAttribute(name = "class")
038        private final Class<? extends org.apache.log4j.Appender> appenderClass;
039
040        @XmlElement(name = "param")
041        private final List<Param> params;
042
043        @XmlElement
044        private final Layout layout;
045
046        private Appender() {
047                this(NullUtils.NONE, NO_APPENDER_CLASS, Layout.NONE, Param.EMPTY);
048        }
049
050        public Appender(String name, Class<? extends org.apache.log4j.Appender> appenderClass, Layout layout) {
051                this(name, appenderClass, layout, Param.EMPTY);
052        }
053
054        public Appender(String name, Class<? extends org.apache.log4j.Appender> appenderClass, Layout layout, List<Param> params) {
055                Assert.noNulls(appenderClass, layout, params);
056                Assert.noBlanks(name);
057                this.name = name;
058                this.appenderClass = appenderClass;
059                this.layout = layout;
060                this.params = new ArrayList<Param>(params);
061        }
062
063        public List<Param> getParams() {
064                return Collections.unmodifiableList(params);
065        }
066
067        public String getName() {
068                return name;
069        }
070
071        public Class<? extends org.apache.log4j.Appender> getAppenderClass() {
072                return appenderClass;
073        }
074
075        public Layout getLayout() {
076                return layout;
077        }
078
079}