/**
* Copyright 2014 55 Minutes (http://www.55minutes.com)
*
* 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.
*/
package fiftyfive.wicket.test;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import fiftyfive.wicket.test.dtd.XHtmlEntityResolver;
/**
* Utility for parsing XHTML documents and verifying that they are valid
* according to the DTD.
* You should not have to use this class directly; it will be auto-selected
* by helper methods in {@link WicketTestUtils}.
*/
public class XHtmlValidator extends AbstractDocumentValidator
{
/**
* Constructs and returns a standard Java XML DocumentBuilder with
* validation enabled. Uses
* {@link XHtmlEntityResolver XHtmlEntityResolver} to resolve DTDs
* locally for best performance.
*/
protected DocumentBuilder builder()
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(true);
try
{
DocumentBuilder builder = factory.newDocumentBuilder();
builder.setErrorHandler(this);
builder.setEntityResolver(new XHtmlEntityResolver());
return builder;
}
catch(ParserConfigurationException pce)
{
throw new RuntimeException(pce);
}
}
}