BaseJaxbTest.java

/*
 * Copyright (c) 2013 S.C. Axemblr Software Solutions S.R.L
 *
 * 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 com.axemblr.provisionr.core;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import org.custommonkey.xmlunit.XMLUnit;
import org.junit.Before;

public abstract class BaseJaxbTest {

    protected JAXBContext jaxb;

    static {
        XMLUnit.setIgnoreWhitespace(true);
        XMLUnit.setIgnoreComments(true);
        XMLUnit.setIgnoreAttributeOrder(true);
    }

    @Before
    public void setUp() throws JAXBException {
        jaxb = JAXBContext.newInstance(getContextClasses());
    }

    public abstract Class[] getContextClasses();

    /**
     * Marshal an object as XML using a standard JAXB Context
     */
    protected String asXml(Object obj) throws Exception {
        ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
        PrintStream out = new PrintStream(outBytes);

        Marshaller marshaller = jaxb.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);

        marshaller.marshal(obj, out);
        return outBytes.toString();
    }
}