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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.pdf.extensions;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
// CSOFF: LineLengthCheck
/**
* Extension element for dictionary entries: pdf:{boolean,name,number,string}. The specific type
* of entry is established at construction type.
*/
public class PDFDictionaryEntryElement extends AbstractPDFDictionaryElement {
private PDFDictionaryEntryExtension extension;
private StringBuffer characters;
/**
* Main constructor
* @param parent parent FO node
*/
PDFDictionaryEntryElement(FONode parent, PDFDictionaryEntryType type) {
super(parent);
this.extension = new PDFDictionaryEntryExtension(type);
}
public PDFDictionaryEntryExtension getExtension() {
return extension;
}
@Override
public void processNode(String elementName, Locator locator, Attributes attlist, PropertyList propertyList) throws FOPException {
String key = attlist.getValue("key");
if (key == null) {
missingPropertyError("key");
} else if (key.length() == 0) {
invalidPropertyValueError("key", key, null);
} else {
extension.setKey(key);
}
}
@Override
public void startOfNode() throws FOPException {
super.startOfNode();
if (!PDFDictionaryType.hasValueOfElementName(parent.getLocalName())) {
invalidChildError(getLocator(), parent.getName(), getNamespaceURI(), getName(), null);
}
}
@Override
protected void characters(char[] data, int start, int length, PropertyList pList, Locator locator) throws FOPException {
if (characters == null) {
characters = new StringBuffer((length < 16) ? 16 : length);
}
characters.append(data, start, length);
}
@Override
public void endOfNode() throws FOPException {
String value = (characters != null) ? characters.toString() : "";
if (extension.getType() == PDFDictionaryEntryType.Boolean) {
if (!value.equals("true") && !value.equals("false")) {
invalidPropertyValueError("<value>", value, null);
}
} else if (extension.getType() == PDFDictionaryEntryType.Name) {
if (value.length() == 0) {
invalidPropertyValueError("<value>", value, null);
}
} else if (extension.getType() == PDFDictionaryEntryType.Number) {
try {
Double.valueOf(value);
} catch (NumberFormatException e) {
invalidPropertyValueError("<value>", value, null);
}
} else if (extension.getType() != PDFDictionaryEntryType.String) {
throw new IllegalStateException();
}
extension.setValue(value);
super.endOfNode();
}
@Override
public String getLocalName() {
return extension.getType().elementName();
}
}
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