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/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed 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.flow;
// Java
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObjMixed;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.ValidationException;
import org.xml.sax.Locator;
/**
* Implementation for fo:wrapper formatting object.
* The wrapper object serves as
* a property holder for its child node objects.
*/
public class Wrapper extends FObjMixed {
// The value of properties relevant for fo:wrapper.
private String id;
// End of property values
// used for FO validation
private boolean blockOrInlineItemFound = false;
/**
* @param parent FONode that is the parent of this object
*/
public Wrapper(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FObj#bind(PropertyList)
*/
public void bind(PropertyList pList) throws FOPException {
id = pList.get(PR_ID).getString();
}
/**
* @see org.apache.fop.fo.FONode#startOfNode
*/
protected void startOfNode() throws FOPException {
checkId(id);
}
/**
* @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
* XSL Content Model: marker* (#PCDATA|%inline;|%block;)*
* Additionally (unimplemented): "An fo:wrapper that is a child of an
* fo:multi-properties is only permitted to have children that would
* be permitted in place of the fo:multi-properties."
*/
protected void validateChildNode(Locator loc, String nsURI, String localName)
throws ValidationException {
if (FO_URI.equals(nsURI) && localName.equals("marker")) {
if (blockOrInlineItemFound) {
nodesOutOfOrderError(loc, "fo:marker",
"(#PCDATA|%inline;|%block;)");
}
} else if (isBlockOrInlineItem(nsURI, localName)) {
blockOrInlineItemFound = true;
} else {
invalidChildError(loc, nsURI, localName);
}
}
/** @return the "id" property. */
public String getId() {
return id;
}
/** @see org.apache.fop.fo.FONode#getLocalName() */
public String getLocalName() {
return "wrapper";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_WRAPPER;
}
}
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