SAAJFactoryTest.java

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package com.sun.xml.ws.message.saaj;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.util.Iterator;

import javax.xml.namespace.QName;
import javax.xml.soap.AttachmentPart;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import com.sun.xml.ws.api.BindingID;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.message.saaj.SAAJFactory;
import com.sun.xml.ws.api.pipe.Codec;
import com.sun.xml.ws.api.streaming.XMLStreamReaderFactory;
import com.sun.xml.ws.binding.BindingImpl;
import com.sun.xml.ws.encoding.SOAPBindingCodec;
import com.sun.xml.ws.message.stream.StreamMessage;

import junit.framework.TestCase;

public class SAAJFactoryTest extends TestCase {
    private static final String CUSTOM_MIME_HEADER_NAME = "custom-header";
    private static final String CUSTOM_MIME_HEADER_NAME2 = "Content-custom-header";
    private static final String CUSTOM_MIME_HEADER_VALUE = "custom-value";
    private static final String CUSTOM_MIME_HEADER_VALUE2 = "content-custom-value";

    // Test that SAAJ message converted to JAX-WS logical message and then
    // back to SAAJ message keeps all MIME headers in the attachment part.
    public void testMimeHeadersPreserved() throws Exception {
        // Create a test SAAJ message.
        MessageFactory mf = MessageFactory.newInstance();
        SOAPMessage msg = mf.createMessage();
        msg.getSOAPBody()
                .addBodyElement(new QName("http://test/", "myelement"));

        // Add an attachment with extra MIME headers.
        addAttachmentPart(msg, "hello1");

        // Convert the SAAJ message to a logical message.
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        msg.writeTo(bos);
        String contentType = msg.getMimeHeaders().getHeader("Content-Type")[0];
        Message message = getLogicalMessage(bos.toByteArray(), contentType);

        // Convert the logical message back to a SAAJ message and ensure
        // the extra headers are present.
        SOAPMessage msg2 = SAAJFactory.read(SOAPVersion.SOAP_11, message);
        assertCustomMimeHeadersOnAttachments(msg2);
        msg2.writeTo(System.out);
    }
    
    /**
     * Test whether SAAJFactory.readAsSOAPMessage can handle null namespace prefixes if the 
     * appropriate flag is set on Woodstox
     * @throws Exception
     */
    public void testNullNamespacePrefix() throws Exception {
    	XMLInputFactory infact = XMLInputFactory.newFactory();
    	try {
    		//for Woodstox, set property that ensures it will return null prefixes for default namespace
    		infact.setProperty("com.ctc.wstx.returnNullForDefaultNamespace", Boolean.TRUE);
    	} catch(Throwable t) {
    		//ignore - it is not Woodstox or it is an old version of Woodstox, so this
    		//test is irrelevant. Note this try/catch is needed because Woodstox isPropertySupported
    		//is unreliable
    		return;
    	}
    	
		String soap = "<soap:Envelope xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">" + 
			    "<soap:Body>" + 
			        "<sendMessage xmlns=\"http://www.foo.bar/schema/\" xmlns:ns2=\"http://www.foo.bar/types/\">;" +
			        "    <message xsi:type=\"ns2:someType\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">" +
			            "</message>" + 
			        "</sendMessage></soap:Body></soap:Envelope>";
		XMLStreamReader envelope = infact.createXMLStreamReader(new StringReader(soap));
		StreamMessage smsg = new StreamMessage(SOAPVersion.SOAP_11, 
				envelope, null);
		SAAJFactory saajFac = new SAAJFactory();
		try {
			//Previously this line failed with NPE - should be fixed now. 
			SOAPMessage msg = saajFac.readAsSOAPMessage(SOAPVersion.SOAP_11, smsg);
		} catch (NullPointerException npe) {
			fail("NPE for null namespace prefix is not fixed!");
			npe.printStackTrace();
		}
    }

    private AttachmentPart addAttachmentPart(SOAPMessage msg, String value) {
        AttachmentPart att = msg.createAttachmentPart(value, "text/html");
        att.addMimeHeader(CUSTOM_MIME_HEADER_NAME, CUSTOM_MIME_HEADER_VALUE);
        att.addMimeHeader(CUSTOM_MIME_HEADER_NAME2, CUSTOM_MIME_HEADER_VALUE2);
        msg.addAttachmentPart(att);
        return att;
    }

    private Message getLogicalMessage(byte[] bytes, String contentType)
            throws IOException {
        ByteArrayInputStream in = new ByteArrayInputStream(bytes);
        WSBinding binding = BindingImpl.create(BindingID.SOAP11_HTTP);
        Codec codec = new SOAPBindingCodec(binding.getFeatures());
        Packet packet = new Packet();
        codec.decode(in, contentType, packet);
        return packet.getMessage();
    }

    private void assertCustomMimeHeadersOnAttachments(SOAPMessage msg) {
        @SuppressWarnings("unchecked")
        Iterator<AttachmentPart> attachments = msg.getAttachments();
        assertTrue(attachments.hasNext());
        while (attachments.hasNext()) {
            AttachmentPart part = attachments.next();
            String[] hdr = part.getMimeHeader(CUSTOM_MIME_HEADER_NAME);
            assertNotNull("Missing first custom MIME header", hdr);
            assertEquals("Expected one header value", hdr.length, 1);
            assertEquals("Wrong value for first header", hdr[0],
                    CUSTOM_MIME_HEADER_VALUE);
            hdr = part.getMimeHeader(CUSTOM_MIME_HEADER_NAME2);
            assertNotNull("Missing second custom MIME header", hdr);
            assertEquals("Expected one header value", hdr.length, 1);
            assertEquals("Wrong value for second header", hdr[0],
                    CUSTOM_MIME_HEADER_VALUE2);
            assertNull("Unexpected header found",
                    part.getMimeHeader("not found header"));
        }
    }
}