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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.render.afp.extensions;
// FOP
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.ValidationException;
import org.apache.fop.fo.extensions.ExtensionAttachment;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
/**
* Base class for the AFP-specific extension elements.
*/
public abstract class AbstractAFPExtensionObject extends FONode {
/**
* AFP setup code
*/
private AFPPageSetup setupCode;
private String name;
/**
* @see org.apache.fop.fo.FONode#FONode(FONode)
* @param parent the parent formatting object
* @param name the name of the afp element
*/
public AbstractAFPExtensionObject(FONode parent, String name) {
super(parent);
this.name = name;
this.setupCode = new AFPPageSetup(name);
}
/** {@inheritDoc} */
protected void validateChildNode(Locator loc, String nsURI, String localName)
throws ValidationException {
if (FO_URI.equals(nsURI)) {
invalidChildError(loc, nsURI, localName);
}
}
/** {@inheritDoc} */
protected void addCharacters(char[] data, int start, int end,
PropertyList pList, Locator locator) {
setupCode.setContent(new String(data, start, end - start));
}
/** {@inheritDoc} */
public String getNamespaceURI() {
return AFPElementMapping.NAMESPACE;
}
/** {@inheritDoc} */
public String getNormalNamespacePrefix() {
return AFPElementMapping.NAMESPACE_PREFIX;
}
/** {@inheritDoc} */
public void processNode(String elementName, Locator locator,
Attributes attlist, PropertyList propertyList)
throws FOPException {
String name = attlist.getValue("name");
if (name != null && name.length() > 0) {
setupCode.setName(name);
} else {
throw new FOPException(elementName + " must have a name attribute.");
}
if (AFPElementMapping.INCLUDE_PAGE_SEGMENT.equals(elementName)) {
name = attlist.getValue("src");
if (name != null && name.length() > 0) {
setupCode.setValue(name);
} else {
throw new FOPException(elementName + " must have a src attribute.");
}
} else if (AFPElementMapping.TAG_LOGICAL_ELEMENT.equals(elementName)) {
name = attlist.getValue("value");
if (name != null && name.length() > 0) {
setupCode.setValue(name);
} else {
throw new FOPException(elementName + " must have a value attribute.");
}
}
}
/** {@inheritDoc} */
protected void endOfNode() throws FOPException {
super.endOfNode();
}
/** {@inheritDoc} */
public ExtensionAttachment getExtensionAttachment() {
return this.setupCode;
}
/** {@inheritDoc} */
public String getLocalName() {
return name;
}
}
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