[英]XML parser java skip dtd validation
I want to skip DTD validation as I don't have a internet connection.Is it possible to implement that in java. 我想跳过DTD验证,因为我没有互联网连接,是否可以在Java中实现它。
My code is: 我的代码是:
file = new File(filepath);
// Create instance of DocumentBuilderFactory
factory = DocumentBuilderFactory.newInstance();
// Get the DocumentBuilder
docBuilder = factory.newDocumentBuilder();
// Using existing XML Document
doc = docBuilder.parse(file);
My error is this and I know the reason for this error. 我的错误是这样,我知道此错误的原因。
a.net.UnknownHostException: www.jboss.org
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(UnknownSource)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
一种令人发指的技巧是编写一个自定义java.io.InputStream扩展名,该扩展名仅在解析器看到DTD引用之前将其删除。
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