| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.fo.properties; |
| |
| import java.util.List; |
| |
| import org.apache.fop.fo.FObj; |
| import org.apache.fop.fo.PropertyList; |
| import org.apache.fop.fo.expr.PropertyException; |
| import org.apache.fop.util.CompareUtil; |
| |
| /** |
| * Superclass for properties that are lists of other properties |
| */ |
| public class ListProperty extends Property { |
| |
| /** |
| * Inner class for creating instances of {@code ListProperty} |
| */ |
| public static class Maker extends PropertyMaker { |
| |
| /** |
| * Create a maker for the given property id. |
| * @param propId ID of the property for which Maker should be created |
| */ |
| public Maker(int propId) { |
| super(propId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public Property convertProperty(Property p, |
| PropertyList propertyList, FObj fo) |
| throws PropertyException { |
| if (p instanceof ListProperty) { |
| return p; |
| } else { |
| return new ListProperty(p); |
| } |
| } |
| |
| } |
| |
| /** Vector containing the list of sub-properties */ |
| protected final List<Property> list = new java.util.Vector<Property>(); |
| |
| /** |
| * Simple constructor used by subclasses to do some special processing. |
| */ |
| protected ListProperty() { |
| //nop |
| } |
| |
| /** |
| * Create a new instance, using the given {@link Property} as the first |
| * element in the list. |
| * @param prop the first property to be added to the list |
| */ |
| public ListProperty(Property prop) { |
| this(); |
| addProperty(prop); |
| } |
| |
| /** |
| * Add a new property to the list |
| * @param prop Property to be added to the list |
| */ |
| public void addProperty(Property prop) { |
| list.add(prop); |
| } |
| |
| /** |
| * Return the {@code java.util.List} of {@link Property} instances |
| * contained in this property. |
| * @return the list of properties contained in this instance |
| */ |
| @Override |
| public List<Property> getList() { |
| return list; |
| } |
| |
| /** |
| * Return the {@code java.util.List} of {@link Property} instances, |
| * cast as a {@code java.lang.Object}. |
| * @return this.list cast as an Object |
| */ |
| @Override |
| public Object getObject() { |
| return list; |
| } |
| |
| @Override |
| public int hashCode() { |
| return list.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof ListProperty)) { |
| return false; |
| } |
| ListProperty other = (ListProperty) obj; |
| return CompareUtil.equal(list, other.list); |
| } |
| } |