| /* |
| * 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.Iterator; |
| |
| import org.apache.fop.fo.PropertyList; |
| import org.apache.fop.fo.expr.PropertyException; |
| |
| /** |
| * Generic shorthand parser for ListProperties |
| */ |
| public class GenericShorthandParser implements ShorthandParser { |
| |
| /** |
| * Constructor. |
| */ |
| public GenericShorthandParser() { |
| } |
| |
| /** |
| * @param list the ListProperty |
| * @param index the index into the List of properties |
| * @return the property from the List of properties at the index parameter |
| */ |
| protected Property getElement(Property list, int index) { |
| if (list.getList().size() > index) { |
| return (Property) list.getList().get(index); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Property getValueForProperty(int propId, |
| Property property, |
| PropertyMaker maker, |
| PropertyList propertyList) |
| throws PropertyException { |
| // Check for keyword "inherit" |
| if (property.getList().size() == 1) { |
| String sval = getElement(property, 0).getString(); |
| if (sval != null && sval.equals("inherit")) { |
| return propertyList.getFromParent(propId); |
| } |
| } |
| return convertValueForProperty(propId, property, maker, propertyList); |
| } |
| |
| |
| /** |
| * Converts a property name into a Property |
| * @param propId the property ID in the Constants interface |
| * @param maker the Property.Maker to be used in the conversion |
| * @param property ... |
| * @param propertyList the PropertyList from which the Property should be |
| * extracted |
| * @return the Property matching the parameters, or null if not found |
| * @throws PropertyException (when?) |
| */ |
| protected Property convertValueForProperty(int propId, |
| Property property, |
| PropertyMaker maker, |
| PropertyList propertyList) |
| throws PropertyException { |
| Property prop = null; |
| String vProperty = ""; |
| // Try each of the stored values in turn |
| Iterator iprop = property.getList().iterator(); |
| while (iprop.hasNext() && prop == null) { |
| Property p = (Property)iprop.next(); |
| if (p.getNCname() != null) { |
| vProperty += p.getNCname() + " "; |
| } |
| prop = maker.convertShorthandProperty(propertyList, p, null); |
| } |
| propertyList.validatePropertyValue(vProperty.trim(), prop, property); |
| return prop; |
| } |
| |
| } |
| |