/**
* 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.
*/
package org.apache.camel.component.schematron.util;
import java.util.HashMap;
import java.util.Map;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.component.schematron.constant.Constants;
import org.custommonkey.xmlunit.SimpleNamespaceContext;
import org.custommonkey.xmlunit.XMLUnit;
import org.custommonkey.xmlunit.XpathEngine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Utility Class.
*/
public final class Utils {
private static final Logger LOG = LoggerFactory.getLogger(Utils.class);
private Utils() {
throw new IllegalStateException("This is a utility class");
}
/**
* Evaluate an XPATH expression.
*
* @param xpath
* @param xml
* @return
*/
public static String evaluate(final String xpath, final String xml) {
Map<String, Object> m = new HashMap<String, Object>();
m.put("svrl", Constants.HTTP_PURL_OCLC_ORG_DSDL_SVRL);
XpathEngine xpathEngine = XMLUnit.newXpathEngine();
xpathEngine.setNamespaceContext(new SimpleNamespaceContext(m));
try {
return xpathEngine.evaluate(xpath, XMLUnit.buildControlDocument(xml));
} catch (Exception e) {
LOG.error("Failed to apply xpath {} on xml {}", xpath, xml);
throw new RuntimeCamelException(e);
}
}
}