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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.ps.extensions;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
import org.apache.xmlgraphics.util.XMLizable;
import org.apache.fop.fo.extensions.ExtensionAttachment;
/**
* This is the pass-through value object for the PostScript extension.
*/
public abstract class PSExtensionAttachment implements ExtensionAttachment, XMLizable {
/** extension node content */
protected String content;
/** The category URI for this extension attachment. */
public static final String CATEGORY = "apache:fop:extensions:postscript";
/**
* Default constructor.
* @param content the content of the setup code object
*/
public PSExtensionAttachment(String content) {
this.content = content;
}
/**
* No-argument contructor.
*/
public PSExtensionAttachment() {
}
/**
* @return the category URI
* @see org.apache.fop.fo.extensions.ExtensionAttachment#getCategory()
*/
public String getCategory() {
return CATEGORY;
}
/** @return the content */
public String getContent() {
return content;
}
/**
* Sets the content for the setup code object.
* @param content The content to set.
*/
public void setContent(String content) {
this.content = content;
}
/**
* Generates SAX events representing the object's state.
*
* @param handler ContentHandler instance to send the SAX events to
* @throws SAXException if there's a problem generating the SAX events
* @see org.apache.fop.util.XMLizable#toSAX(org.xml.sax.ContentHandler)
*/
public void toSAX(ContentHandler handler) throws SAXException {
AttributesImpl atts = new AttributesImpl();
String element = getElement();
handler.startElement(CATEGORY, element, element, atts);
if (content != null && content.length() > 0) {
char[] chars = content.toCharArray();
handler.characters(chars, 0, chars.length);
}
handler.endElement(CATEGORY, element, element);
}
/** @return type name */
public String getType() {
String className = getClass().getName();
return className.substring(className.lastIndexOf('.') + 3);
}
/**
* @return a string representation of this object
* @see java.lang.Object#toString()
*/
public String toString() {
return getType() + ": content=" + content;
}
/** @return element */
protected abstract String getElement();
}
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