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package fromwsdl.xmlbind_handler.common;
import java.io.ByteArrayOutputStream;
import javax.xml.namespace.QName;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.http.HTTPException;
import javax.xml.ws.handler.LogicalHandler;
import javax.xml.ws.handler.LogicalMessageContext;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.LogicalMessage;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Node;
public class TestHandler implements LogicalHandler<LogicalMessageContext> {
public static final int THROW_HTTP_EXCEPTION = -100;
public static final int THROW_RUNTIME_EXCEPTION = -101;
public static final int THROW_PROTOCOL_EXCEPTION = -102;
public boolean handleMessage(LogicalMessageContext context) {
try {
LogicalMessage message = context.getMessage();
Source msgSource = message.getPayload();
Source newMessage = incrementArgument(msgSource);
message.setPayload(newMessage);
//verifySource(msgSource); // source already read
return true;
} catch (TransformerException e) {
System.err.println("handler received: " + e);
throw new HTTPException(502);
}
}
private void verifySource(Source source) throws Exception {
TransformerFactory factory = TransformerFactory.newInstance();
Transformer trans = factory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
trans.transform(source, new StreamResult(baos));
baos.close();
}
private Source incrementArgument(Source source)
throws TransformerException {
Transformer xFormer =
TransformerFactory.newInstance().newTransformer();
xFormer.setOutputProperty("omit-xml-declaration", "yes");
DOMResult dResult = new DOMResult();
xFormer.transform(source, dResult);
Node documentNode = dResult.getNode();
Node envelopeNode = documentNode.getFirstChild();
Node requestResponseNode = envelopeNode.getLastChild().getFirstChild();
Node textNode = requestResponseNode.getFirstChild().getFirstChild();
int orig = Integer.parseInt(textNode.getNodeValue());
// check for error tests
if (orig == THROW_HTTP_EXCEPTION) {
throw new HTTPException(500);
} else if (orig == THROW_RUNTIME_EXCEPTION) {
throw new RuntimeException("EXPECTED EXCEPTION");
} else if (orig == THROW_PROTOCOL_EXCEPTION) {
throw new ProtocolException("TEST EXCEPTION FROM HANDLER");
}
textNode.setNodeValue(String.valueOf(++orig));
return new DOMSource(documentNode);
}
public boolean handleFault(LogicalMessageContext context) {
return true;
}
public void close(MessageContext context) {}
}