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.CollectionUtils;
027import org.kuali.common.util.nullify.Null;
028
029public final class Layout {
030
031        public static final Layout NONE = new Layout();
032
033        @XmlAttribute(name = "class")
034        private final Class<?> layoutClass;
035
036        @XmlElement(name = "param")
037        private final List<Param> params;
038
039        private Layout() {
040                this(Null.class, Param.EMPTY);
041        }
042
043        public Layout(Class<?> layoutClass, Param param) {
044                this(layoutClass, CollectionUtils.singletonList(param));
045        }
046
047        public Layout(Class<?> layoutClass, List<Param> params) {
048                Assert.noNulls(layoutClass, params);
049                this.layoutClass = layoutClass;
050                this.params = new ArrayList<Param>(params);
051        }
052
053        public List<Param> getParams() {
054                return Collections.unmodifiableList(params);
055        }
056
057        public Class<?> getLayoutClass() {
058                return layoutClass;
059        }
060
061}