/*
* $Id: LengthProperty.java,v 1.5.2.1 2003/02/25 12:56:54 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.fo;
import org.apache.fop.datatypes.Length;
import org.apache.fop.datatypes.AutoLength;
import org.apache.fop.fo.expr.Numeric;
import org.apache.fop.apps.FOPException;
public class LengthProperty extends Property {
public static class Maker extends Property.Maker {
public /* protected */ Maker(String name) {
super(name);
}
/**
* protected Property checkPropertyKeywords(String value) {
* if (isAutoLengthAllowed() && value.equals("auto")) {
* return new LengthProperty(Length.AUTO);
* }
* return null;
* }
*/
protected boolean isAutoLengthAllowed() {
return false;
}
public Property convertProperty(Property p,
PropertyList propertyList,
FObj fo) throws FOPException {
if (isAutoLengthAllowed()) {
String pval = p.getString();
if (pval != null && pval.equals("auto"))
return new LengthProperty(new AutoLength());
}
if (p instanceof LengthProperty)
return p;
Length val = p.getLength();
if (val != null)
return new LengthProperty(val);
return convertPropertyDatatype(p, propertyList, fo);
}
}
/*
* public static Property.Maker maker(String prop) {
* return new Maker(prop);
* }
*/
/**
* This object may be also be a subclass of Length, such
* as PercentLength, TableColLength.
*/
private Length length;
public LengthProperty(Length length) {
this.length = length;
// System.err.println("Set LengthProperty: " + length.toString());
}
public Numeric getNumeric() {
return length.asNumeric() ;
}
public Length getLength() {
return this.length;
}
public Object getObject() {
return this.length;
}
}