如何使用java解析XOP / MTOM SOAP响应？ [英] How to parse XOP/MTOM SOAP response using java?

问题描述

我只是想知道，有没有简单的方法来解析MTOM / XOP SOAP响应。
问题是我使用普通HTTP发送soap消息和javax.xml来解析响应。但是有些服务用mulipart / related响应我，它需要更复杂的逻辑来解析它（性能很重要）。
所以我想我可以以某种方式利用apache cxf，apache axiom或任何其他库来解析MTOM / XOP SOAP响应吗？

I just want to know, is there any simple way for parsing MTOM/XOP SOAP response. The problem is that I use plain HTTP to send soap message and javax.xml for parsing response. But some services responds me with mulipart/related and it requires much more complex logic to parse it (performance matters). So I wonder may I somehow take advantage of apache cxf, apache axiom or any other library for parsing MTOM/XOP SOAP response?

推荐答案

这些单元测试向您展示如何使用CXF从MTOM消息中提取附件。如果以后这个链接不存在，我会内联其中一个测试：

These unit tests show you how to use CXF to extract attachments out of an MTOM message. I'll inline one of the tests in case this link doesn't exist in the future:

private MessageImpl msg;

@Before
public void setUp() throws Exception {
    msg = new MessageImpl();
    Exchange exchange = new ExchangeImpl();
    msg.setExchange(exchange);
}

@Test
public void testDeserializerMtom() throws Exception {
    InputStream is = getClass().getResourceAsStream("mimedata");
    String ct = "multipart/related; type=\"application/xop+xml\"; "
                + "start=\"<[e-mail]>\"; "
                + "start-info=\"text/xml; charset=utf-8\"; "
                + "boundary=\"----=_Part_4_701508.1145579811786\"";

    msg.put(Message.CONTENT_TYPE, ct);
    msg.setContent(InputStream.class, is);

    AttachmentDeserializer deserializer = new AttachmentDeserializer(msg);
    deserializer.initializeAttachments();

    InputStream attBody = msg.getContent(InputStream.class);
    assertTrue(attBody != is);
    assertTrue(attBody instanceof DelegatingInputStream);

    Collection<Attachment> atts = msg.getAttachments();
    assertNotNull(atts);

    Iterator<Attachment> itr = atts.iterator();
    assertTrue(itr.hasNext());

    Attachment a = itr.next();
    assertNotNull(a);

    InputStream attIs = a.getDataHandler().getInputStream();

    // check the cached output stream
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    IOUtils.copy(attBody, out);
    assertTrue(out.toString().startsWith("<env:Envelope"));

    // try streaming a character off the wire
    assertTrue(attIs.read() == '/');
    assertTrue(attIs.read() == '9');
}

在您的情况下， ct 将来自响应的内容类型标头。 mimedata将是回复的内容。

In your case, the ct will come from the content type header of the response. The "mimedata" will be the content of the response.

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