testing/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/xop/XOPRoundtripTest.java

/*
 * 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
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package org.apache.axiom.ts.om.xop;

import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.stax.StAXSource;

import org.apache.axiom.blob.Blob;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMMetaFactory;
import org.apache.axiom.om.OMText;
import org.apache.axiom.om.OMXMLBuilderFactory;
import org.apache.axiom.om.XOPEncoded;
import org.apache.axiom.testutils.blob.TestBlob;
import org.apache.axiom.ts.AxiomTestCase;

public class XOPRoundtripTest extends AxiomTestCase {
    public XOPRoundtripTest(OMMetaFactory metaFactory) {
        super(metaFactory);
    }

    @Override
    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        Blob blob = new TestBlob('x', Runtime.getRuntime().maxMemory());
        OMElement element1 = factory.createOMElement(new QName("test"));
        element1.addChild(factory.createOMText(blob, true));
        XOPEncoded<XMLStreamReader> xopEncodedStream = element1.getXOPEncodedStreamReader(true);
        OMElement element2 =
                OMXMLBuilderFactory.createOMBuilder(
                                factory,
                                new StAXSource(xopEncodedStream.getRootPart()),
                                xopEncodedStream.getAttachmentAccessor())
                        .getDocumentElement();
        OMText child = (OMText) element2.getFirstOMChild();
        assertNotNull(child);
        assertTrue(child.isBinary());
        assertTrue(child.isOptimized());
        assertSame(blob, child.getBlob());
    }
}