123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110 |
- /*
- * 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 org.apache.fop.fo.FObj;
- import org.apache.fop.fo.PropertyList;
-
- /**
- * Superclass for properties that wrap a character value
- * TODO convert character value to int in order to denote unicode scalar value
- * instead of a single UTF-16 code element
- */
- public final class CharacterProperty extends Property {
-
- /**
- * Inner class for creating instances of CharacterProperty
- */
- public static class Maker extends PropertyMaker {
-
- /**
- * @param propId the id of the property for which a Maker should be created
- */
- public Maker(int propId) {
- super(propId);
- }
-
- /** {@inheritDoc} */
- public Property make(PropertyList propertyList, String value,
- FObj fo) {
- char c = value.charAt(0);
- return CharacterProperty.getInstance(c);
- }
-
- }
-
- /** cache containing all canonical CharacterProperty instances */
- private static final PropertyCache<CharacterProperty> CACHE
- = new PropertyCache<CharacterProperty>();
-
- private final char character;
-
- /**
- * @param character character value to be wrapped in this property
- */
- private CharacterProperty(char character) {
- this.character = character;
- }
-
- /**
- * Get character property instance for character.
- * @param character the character
- * @return the character property instance
- */
- public static CharacterProperty getInstance(char character) {
- return CACHE.fetch(new CharacterProperty(character));
- }
-
- /**
- * @return this.character cast as an Object
- */
- public Object getObject() {
- return character;
- }
-
- /**
- * @return this.character
- */
- public char getCharacter() {
- return this.character;
- }
-
- /**
- * @return this.character cast as a String
- */
- public String getString() {
- return Character.toString(character);
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj instanceof CharacterProperty) {
- return (character == ((CharacterProperty) obj).character);
- } else {
- return false;
- }
- }
-
- @Override
- public int hashCode() {
- return character;
- }
-
- }
|