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/*
* 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.Map;
import java.util.WeakHashMap;
/**
* A number quantity in XSL which is specified as an enum, such as "no-limit".
*/
public class EnumNumber extends NumberProperty {
private static final Map cache = new WeakHashMap();
private final EnumProperty enumProperty;
private EnumNumber(EnumProperty enumProperty) {
super(null);
this.enumProperty = enumProperty;
}
public static EnumNumber getInstance(Property enumProperty) {
EnumNumber en = (EnumNumber)cache.get(enumProperty);
if (en == null) {
en = new EnumNumber((EnumProperty)enumProperty);
cache.put(enumProperty, en);
}
return en;
}
public int getEnum() {
return enumProperty.getEnum();
}
/**
* Returns the length in 1/1000ths of a point (millipoints)
* @return the length in millipoints
*/
public int getValue() {
log.error("getValue() called on " + enumProperty + " number");
return 0;
}
/**
* Returns the value as numeric.
* @return the length in millipoints
*/
public double getNumericValue() {
log.error("getNumericValue() called on " + enumProperty + " number");
return 0;
}
/**
* @see org.apache.fop.fo.properties.Property#getString()
*/
public String getString() {
return enumProperty.toString();
}
/**
* @see org.apache.fop.fo.properties.Property#getString()
*/
public Object getObject() {
return enumProperty.getObject();
}
}
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