/*
* Copyright 2011, 2012 Odysseus Software GmbH
*
* 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 org.apache.synapse.commons.staxon.core.util;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathException;
import javax.xml.xpath.XPathFactory;
import junit.framework.Assert;
import org.junit.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.apache.synapse.commons.staxon.core.json.JsonXMLInputFactory;
import org.apache.synapse.commons.staxon.core.util.DOMEventConsumer;
public class DOMEventConsumerTest {
@Test
public void test1() throws XMLStreamException {
StringReader json = new StringReader("{\"alice\":{\"@edgar\":\"david\",\"bob\":\"charlie\"}}");
XMLEventReader reader = new JsonXMLInputFactory().createXMLEventReader(json);
Document node = DOMEventConsumer.consume(reader);
Node alice = node.getChildNodes().item(0);
Assert.assertEquals("alice", alice.getLocalName());
Assert.assertEquals("david", alice.getAttributes().getNamedItem("edgar").getNodeValue());
Node bob = alice.getChildNodes().item(0);
Assert.assertEquals("bob", bob.getLocalName());
Assert.assertEquals("charlie", bob.getTextContent());
}
@Test
public void test2() throws XMLStreamException {
DocumentBuilder documentBuilder;
try {
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
documentBuilderFactory.setNamespaceAware(true);
documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
} catch (ParserConfigurationException e) {
throw new XMLStreamException(e);
}
StringReader json = new StringReader("{\"alice\":{\"@edgar\":\"david\",\"bob\":\"charlie\"}}");
XMLEventReader reader = new JsonXMLInputFactory().createXMLEventReader(json);
Document document = documentBuilder.newDocument();
Node node = document.createElement("foo");
document.appendChild(node);
DOMEventConsumer.consume(reader, node);
Node alice = node.getChildNodes().item(0);
Assert.assertEquals("alice", alice.getLocalName());
Assert.assertEquals("david", alice.getAttributes().getNamedItem("edgar").getNodeValue());
Node bob = alice.getChildNodes().item(0);
Assert.assertEquals("bob", bob.getLocalName());
Assert.assertEquals("charlie", bob.getTextContent());
}
@Test
public void testXPath() throws XMLStreamException, XPathException {
StringReader json = new StringReader("{\"alice\":{\"@edgar\":\"david\",\"bob\":\"charlie\"}}");
XMLEventReader reader = new JsonXMLInputFactory().createXMLEventReader(json);
Document document = DOMEventConsumer.consume(reader);
XPath xpath = XPathFactory.newInstance().newXPath();
Assert.assertEquals("charlie", xpath.evaluate("//alice[@edgar='david']/bob/text()", document));
}
}