| /* |
| * 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.FObj; |
| import org.apache.fop.fo.PropertyList; |
| import org.apache.fop.fo.expr.PropertyException; |
| |
| /** |
| * Property class for the font-family property. |
| */ |
| public final class FontFamilyProperty extends ListProperty { |
| |
| /** cache holding all canonical FontFamilyProperty instances */ |
| private static final PropertyCache cache = new PropertyCache(FontFamilyProperty.class); |
| |
| private int hash = 0; |
| |
| /** |
| * Inner class for creating instances of ListProperty |
| */ |
| public static class Maker extends PropertyMaker { |
| |
| /** |
| * @param propId ID of the property for which Maker should be created |
| */ |
| public Maker(int propId) { |
| super(propId); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Property make(PropertyList propertyList, String value, FObj fo) throws PropertyException { |
| if ("inherit".equals(value)) { |
| return super.make(propertyList, value, fo); |
| } else { |
| FontFamilyProperty prop = new FontFamilyProperty(); |
| String tmpVal; |
| int startIndex = 0; |
| int commaIndex = value.indexOf(','); |
| int quoteIndex; |
| int aposIndex; |
| char qChar; |
| boolean parsed = false; |
| while (!parsed) { |
| if (commaIndex == -1) { |
| tmpVal = value.substring(startIndex).trim(); |
| parsed = true; |
| } else { |
| tmpVal = value.substring(startIndex, commaIndex).trim(); |
| startIndex = commaIndex + 1; |
| commaIndex = value.indexOf(',', startIndex); |
| } |
| aposIndex = tmpVal.indexOf('\''); |
| quoteIndex = tmpVal.indexOf('\"'); |
| if (aposIndex != -1 || quoteIndex != -1) { |
| qChar = (aposIndex == -1) ? '\"' : '\''; |
| if (tmpVal.lastIndexOf(qChar) != tmpVal.length() - 1) { |
| log.warn("Skipping malformed value for font-family: " |
| + tmpVal + " in \"" + value + "\"."); |
| tmpVal = ""; |
| } else { |
| tmpVal = tmpVal.substring(1, tmpVal.length() - 1); |
| } |
| } |
| if (!"".equals(tmpVal)) { |
| int dblSpaceIndex = tmpVal.indexOf(" "); |
| while (dblSpaceIndex != -1) { |
| tmpVal = tmpVal.substring(0, dblSpaceIndex) |
| + tmpVal.substring(dblSpaceIndex + 1); |
| dblSpaceIndex = tmpVal.indexOf(" "); |
| } |
| prop.addProperty(StringProperty.getInstance(tmpVal)); |
| } |
| } |
| return cache.fetch(prop); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Property convertProperty(Property p, |
| PropertyList propertyList, FObj fo) { |
| if (p instanceof FontFamilyProperty) { |
| return p; |
| } else { |
| return new FontFamilyProperty(p); |
| } |
| } |
| |
| } |
| |
| /** |
| * @param prop the first Property to be added to the list |
| */ |
| private FontFamilyProperty(Property prop) { |
| super(); |
| addProperty(prop); |
| } |
| |
| /** |
| * Default constructor. |
| * |
| */ |
| private FontFamilyProperty() { |
| super(); |
| } |
| |
| /** |
| * Add a new property to the list |
| * @param prop Property to be added to the list |
| */ |
| public void addProperty(Property prop) { |
| if (prop.getList() != null) { |
| list.addAll(prop.getList()); |
| } else { |
| super.addProperty(prop); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public String getString() { |
| if (list.size() > 0) { |
| Property first = (Property)list.get(0); |
| return first.getString(); |
| } else { |
| return super.getString(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| |
| if (o instanceof FontFamilyProperty) { |
| FontFamilyProperty ffp = (FontFamilyProperty) o; |
| return (this.list != null |
| && this.list.equals(ffp.list)); |
| } |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| public int hashCode() { |
| if (this.hash == 0) { |
| int hash = 17; |
| for (Iterator i = list.iterator(); i.hasNext();) { |
| Property p = (Property) i.next(); |
| hash = 37 * hash + (p == null ? 0 : p.hashCode()); |
| } |
| this.hash = hash; |
| } |
| return this.hash; |
| } |
| } |