我想重用我们代码库中的一些现有代码,它接受XMLStreamReader
我的应用程序将所需数据作为w3c文档。将Java w3c文档转换为XMLStreamReader
下面的例子是一个最小的测试用例:
public static void main(String[] args) throws Exception {
DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = builderFactory.newDocumentBuilder();
Document doc = builder.newDocument();
Element rootElement = doc.createElement("Groups");
doc.appendChild(rootElement);
Element group = doc.createElement("Group");
group.setTextContent("Wibble");
rootElement.appendChild(group);
DOMSource source = new DOMSource(doc);
XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(source);
reader.nextTag();
System.out.println("NextTag:" + reader.getName());
}
预期的输出应该是这样的:NextTag:Groups
而是下面是抛出:
Exception in thread "main" javax.xml.stream.XMLStreamException: java.net.MalformedURLException
at com.sun.xml.stream.XMLReaderImpl.setInputSource(XMLReaderImpl.java:196)
at com.sun.xml.stream.XMLReaderImpl.<init>(XMLReaderImpl.java:179)
at com.sun.xml.stream.ZephyrParserFactory.createXMLStreamReader(ZephyrParserFactory.java:139)
at Main.main(Main.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: java.net.MalformedURLException
at java.net.URL.<init>(URL.java:601)
at java.net.URL.<init>(URL.java:464)
at java.net.URL.<init>(URL.java:413)
at com.sun.xml.stream.XMLEntityManager.startEntity(XMLEntityManager.java:762)
at com.sun.xml.stream.XMLEntityManager.startDocumentEntity(XMLEntityManager.java:697)
at com.sun.xml.stream.XMLDocumentScannerImpl.setInputSource(XMLDocumentScannerImpl.java:300)
at com.sun.xml.stream.XMLReaderImpl.setInputSource(XMLReaderImpl.java:193)
... 8
目前使用Java 6更新22。
更多信息:来源到ZephyrParserFactory#jaxpSourcetoXMLInputSource似乎表明Source对象被转换为应对它的SystemId
而不是DOMSource的实际内容。
更新:我的一部开拓创新的测试用例以上是实际运行使用我的项目的类路径实际上包括JAXB 2.2.1库,进而拉动SJSXP 1.0.1。运行在干净的类路径上产生:
Exception in thread "main" java.lang.UnsupportedOperationException: Cannot create XMLStreamReader or XMLEventReader from a javax.xml.transform.dom.DOMSource
at com.sun.xml.internal.stream.XMLInputFactoryImpl.jaxpSourcetoXMLInputSource(XMLInputFactoryImpl.java:302)
at com.sun.xml.internal.stream.XMLInputFactoryImpl.createXMLStreamReader(XMLInputFactoryImpl.java:145)
这适合@Gary Rowe的答案。
是它试图下载的XSD? – sje397
nope..xml是或多或少你有什么: Wibble –
只是头脑风暴。你不应该在createXMLStreamReader中使用source.getSystemId()吗? – dierre