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/*
* $Id$
* ============================================================================
* 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.properties;
import org.apache.fop.apps.FOPException;
import org.apache.fop.datatypes.CompoundDatatype;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
/**
* Superclass for properties that wrap Keep values
*/
public class KeepProperty extends Property implements CompoundDatatype {
private Property withinLine;
private Property withinColumn;
private Property withinPage;
/**
* Inner class for creating instances of KeepProperty
*/
public static class Maker extends CompoundPropertyMaker {
/**
* @param name name of property for which Maker should be created
*/
public Maker(int propId) {
super(propId);
}
/**
* Create a new empty instance of KeepProperty.
* @return the new instance.
*/
public Property makeNewProperty() {
return new KeepProperty();
}
/**
* @see CompoundPropertyMaker#convertProperty
*/
public Property convertProperty(Property p, PropertyList propertyList, FObj fo)
throws FOPException
{
if (p instanceof KeepProperty) {
return p;
}
return super.convertProperty(p, propertyList, fo);
}
}
/**
* @see org.apache.fop.datatypes.CompoundDatatype#setComponent(int, Property, boolean)
*/
public void setComponent(int cmpId, Property cmpnValue,
boolean bIsDefault) {
if (cmpId == CP_WITHIN_LINE) {
setWithinLine(cmpnValue, bIsDefault);
} else if (cmpId == CP_WITHIN_COLUMN) {
setWithinColumn(cmpnValue, bIsDefault);
} else if (cmpId == CP_WITHIN_PAGE) {
setWithinPage(cmpnValue, bIsDefault);
}
}
/**
* @see org.apache.fop.datatypes.CompoundDatatype#getComponent(int)
*/
public Property getComponent(int cmpId) {
if (cmpId == CP_WITHIN_LINE) {
return getWithinLine();
} else if (cmpId == CP_WITHIN_COLUMN) {
return getWithinColumn();
} else if (cmpId == CP_WITHIN_PAGE) {
return getWithinPage();
} else {
return null;
}
}
/**
* @param withinLine withinLine property to set
* @param bIsDefault not used (??)
*/
public void setWithinLine(Property withinLine, boolean bIsDefault) {
this.withinLine = withinLine;
}
/**
* @param withinColumn withinColumn property to set
* @param bIsDefault not used (??)
*/
protected void setWithinColumn(Property withinColumn,
boolean bIsDefault) {
this.withinColumn = withinColumn;
}
/**
* @param withinPage withinPage property to set
* @param bIsDefault not used (??)
*/
public void setWithinPage(Property withinPage, boolean bIsDefault) {
this.withinPage = withinPage;
}
/**
* @return the withinLine property
*/
public Property getWithinLine() {
return this.withinLine;
}
/**
* @return the withinColumn property
*/
public Property getWithinColumn() {
return this.withinColumn;
}
/**
* @return the withinPage property
*/
public Property getWithinPage() {
return this.withinPage;
}
/**
* Not sure what to do here. There isn't really a meaningful single value.
* @return String representation
*/
public String toString() {
return "Keep[" +
"withinLine:" + getWithinLine().getObject() +
", withinColumn:" + getWithinColumn().getObject() +
", withinPage:" + getWithinPage().getObject() + "]";
}
/**
* @return this.keep
*/
public KeepProperty getKeep() {
return this;
}
/**
* @return this.keep cast as Object
*/
public Object getObject() {
return this;
}
}
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