apache camel split（）vs split（body（））

Question

from(direct:start)
.split().tokenizeXML("SomeElement", 25)
... 

SaxParseException: Cannot find the declaration of element 'SomeElement'

.split(body().tokenizeXML("SomeElement", "*"))

是的，这是有效的，但是split将表达式作为参数，而使用表达式body().tokenizexml（“someelement”,“*”）则没有机会使用分组特性。所以我的问题是，1。为什么split()找不到元素？2.是否有机会在split（Expression)中使用组特性？

由于我们绑定到Java6，所以我们使用camel Version2.13.4。

XML文件如下所示（简化后，假设MyRootElement中有数百个SomeElement元素）

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<MyRootElement xmlns="urn:THIS:IS:A-NAMESPACE">
    <SomeElement id="12345">
        <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
    <SomeElement id="23456">
        <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
</MyRootElement>

<MyRootElement xmlns="urn:THIS:IS:A-NAMESPACE" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="urn:THIS:IS:A-NAMESPACE">
        <SomeElement id="12345">
            <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
        </SomeElement>
</MyRootElement>

split（）.tokenizexml（“someelement”,2)不考虑根元素和命名空间，因此得到如下内容：

    <SomeElement id="12345">
                <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
    <SomeElement id="23456">
                <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>

当然，如果我根据模式验证拆分的消息，它就会失败。因为我需要将someelements嵌入根元素myrootelement中，如下所示：

<MyRootElement xmlns="urn:THIS:IS:A-NAMESPACE" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="urn:THIS:IS:A-NAMESPACE">
  <SomeElement id="12345">
            <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
  </SomeElement>
  <SomeElement id="23456">
            <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
  </SomeElement>
</MyRootElement>

Answer 1

我通过了这个分组和xml拆分测试：

public class TestSplitOnXml extends CamelTestSupport {

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:in")
                    .split().tokenizeXML("SomeElement", 2)
                        .to("mock:out")
                        .end();
            }
        };
    }

    @Test
    public void testSplitting() throws InterruptedException {
        MockEndpoint mockEndpoint = getMockEndpoint("mock:out");
        mockEndpoint.setExpectedMessageCount(2);

        Exchange exchange = createExchangeWithBody(this.getClass().getClassLoader().getResourceAsStream("text.xml"));
        template.send("direct:in", exchange);

        assertMockEndpointsSatisfied();
    }
}

将其作为test.xml：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<MyRootElement xmlns="urn:THIS:IS:A-NAMESPACE" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="urn:THIS:IS:A-NAMESPACE">
    <SomeElement id="12345">
        <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
    <SomeElement id="23456">
        <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
    <SomeElement id="23456">
        <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
    <SomeElement id="23456">
        <address addressType="mainAddress" street="Test street" zipCode="12345" city="Testcity"/>
    </SomeElement>
</MyRootElement>

从中可以看出，拆分、tokeniseXML和分组确实有效。可能是xml缺少xmlns:xsi=“http://www.w3.org/2001/xmlschema-instance”xsi:schemalocation=“urn:this:is:a-namespace”