jlibs.xml.xsd.XMLSampleValueGenerator Maven / Gradle / Ivy
/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license 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.
*/
package jlibs.xml.xsd;
import jlibs.core.util.RandomUtil;
import jlibs.xml.sax.SAXUtil;
import org.apache.xerces.xs.*;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import javax.xml.namespace.QName;
import javax.xml.parsers.ParserConfigurationException;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Generates sample values from given XML
*
* @author Santhosh Kumar T
*/
public class XMLSampleValueGenerator implements XSInstance.SampleValueGenerator{
private Map> elementValues = new HashMap>();
private Map> attributeValues = new HashMap>();
public XMLSampleValueGenerator(final XSModel schema, InputSource sampleInput) throws SAXException, ParserConfigurationException, IOException{
DefaultHandler handler = new DefaultHandler(){
private List xpath = new ArrayList();
private CharArrayWriter contents = new CharArrayWriter();
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException{
xpath.add(new QName(uri, localName));
for(int i=0; i values = attributeValues.get(attr);
if(values==null)
attributeValues.put(attr, values=new ArrayList());
values.add(attributes.getValue(i));
}
xpath.remove(xpath.size()-1);
}
contents.reset();
}
@Override
public void characters(char[] ch, int start, int length) throws SAXException{
contents.write(ch, start, length);
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException{
if(contents.size()>0){
XSElementDeclaration elem = XSUtil.findElementDeclaration(schema, xpath);
if(elem!=null){
boolean simpleType = false;
if(elem.getTypeDefinition().getTypeCategory()==XSTypeDefinition.SIMPLE_TYPE)
simpleType = true;
else{
XSComplexTypeDefinition complexType = (XSComplexTypeDefinition)elem.getTypeDefinition();
if(complexType.getContentType()==XSComplexTypeDefinition.CONTENTTYPE_SIMPLE)
simpleType = true;
}
if(simpleType){
List values = elementValues.get(elem);
if(values==null)
elementValues.put(elem, values=new ArrayList());
values.add(contents.toString());
}
}
}
xpath.remove(xpath.size()-1);
contents.reset();
}
};
SAXUtil.newSAXParser(true, false, false).parse(sampleInput, handler);
}
@Override
public String generateSampleValue(XSElementDeclaration element, XSSimpleTypeDefinition simpleType){
List values = elementValues.get(element);
return values==null ? null : values.get(RandomUtil.random(0, values.size()));
}
@Override
public String generateSampleValue(XSAttributeDeclaration attribute, XSSimpleTypeDefinition simpleType){
List values = attributeValues.get(attribute);
return values==null ? null : values.get(RandomUtil.random(0, values.size()));
}
}