axiom/modules/axiom-tests/src/test/java/org/apache/axiom/om/OMCachingTest.java

package org.apache.axiom.om;

import org.apache.axiom.om.impl.builder.StAXOMBuilder;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * 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.
 */

public class OMCachingTest extends AbstractTestCase {
    private XMLStreamReader xmlStreamReader;

    /**
     * @param testName
     */
    public OMCachingTest(String testName) {
        super(testName);
    }

    protected void setUp() throws Exception {

    }

    /**
     * This will first serialize the element without caching. Then it tries to serialize again
     * .
     */
    public void testCachingOne() {

        OMElement documentElement = null;
        try {
            // first build the OM tree without caching and see whether up can cosume it again
            StAXOMBuilder builder = new StAXOMBuilder(getXMLStreamReader());
            documentElement = builder.getDocumentElement();
            String envelopeString = documentElement.toStringWithConsume();
        } catch (XMLStreamException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        } catch (FileNotFoundException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }

        try {
            String envelopeString = documentElement.toStringWithConsume();
            fail("Parser should fail as its already being accessed without caching");
        } catch (XMLStreamException e) {
            assertTrue(true);
        }

    }

    /**
     * This will first serialize the OMElement with caching and again will try to serialize.
     */
    public void testCachingTwo() {

        OMElement documentElement = null;
        try {
            // first build the OM tree without caching and see whether up can cosume it again
            StAXOMBuilder builder = new StAXOMBuilder(getXMLStreamReader());
            documentElement = builder.getDocumentElement();
            String envelopeString = documentElement.toString();
            envelopeString = documentElement.toStringWithConsume();
            assertTrue(true);
        } catch (XMLStreamException e) {
            fail("Parser should not failt as the element was serialized with caching");
        } catch (FileNotFoundException e) {
            fail("Parser should not failt as the element was serialized with caching");
        }

    }

    private XMLStreamReader getXMLStreamReader() throws XMLStreamException, FileNotFoundException {
        return XMLInputFactory.newInstance().
                createXMLStreamReader(
                        new FileReader(
                                getTestResourceFile("soap/soapmessage.xml")));
    }
}