有没有一种简单的方法(即不使用代理)可以获取使用JAX-WS参考实现(包含在JDK 1.5及更高版本中)发布的Web服务的原始请求/响应XML?
我需要通过代码来实现这一点。
只需通过 clever logging 配置将其记录到文件中就可以了,但这样做可能不够好。
我知道存在其他更复杂和完整的框架,可以完成此任务,但我想保持尽可能简单,而axis、cxf等都会增加相当大的开销,我希望避免这种情况。
谢谢!
有没有一种简单的方法(即不使用代理)可以获取使用JAX-WS参考实现(包含在JDK 1.5及更高版本中)发布的Web服务的原始请求/响应XML?
我需要通过代码来实现这一点。
只需通过 clever logging 配置将其记录到文件中就可以了,但这样做可能不够好。
我知道存在其他更复杂和完整的框架,可以完成此任务,但我想保持尽可能简单,而axis、cxf等都会增加相当大的开销,我希望避免这种情况。
谢谢!
以下选项允许将所有通信记录到控制台(实际上,您只需要其中之一,但这取决于您使用的库,因此设置所有四个选项是更安全的选择)。您可以像示例中那样在代码中设置它,也可以使用-D作为命令行参数或作为环境变量,就像Upendra所写的那样。
System.setProperty("com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.dump", "true");
System.setProperty("com.sun.xml.ws.transport.http.HttpAdapter.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.HttpAdapter.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.HttpAdapter.dumpTreshold", "999999");
详细信息请参见问题 Tracing XML request/responses with JAX-WS when error occurs。
以下是原始代码的解决方案(由stjohnroe和Shamik提供):
Endpoint ep = Endpoint.create(new WebserviceImpl());
List<Handler> handlerChain = ep.getBinding().getHandlerChain();
handlerChain.add(new SOAPLoggingHandler());
ep.getBinding().setHandlerChain(handlerChain);
ep.publish(publishURL);
SOAPLoggingHandler是什么(从链接示例中提取):
package com.myfirm.util.logging.ws;
import java.io.PrintStream;
import java.util.Map;
import java.util.Set;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPMessage;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;
/*
* This simple SOAPHandler will output the contents of incoming
* and outgoing messages.
*/
public class SOAPLoggingHandler implements SOAPHandler<SOAPMessageContext> {
// change this to redirect output if desired
private static PrintStream out = System.out;
public Set<QName> getHeaders() {
return null;
}
public boolean handleMessage(SOAPMessageContext smc) {
logToSystemOut(smc);
return true;
}
public boolean handleFault(SOAPMessageContext smc) {
logToSystemOut(smc);
return true;
}
// nothing to clean up
public void close(MessageContext messageContext) {
}
/*
* Check the MESSAGE_OUTBOUND_PROPERTY in the context
* to see if this is an outgoing or incoming message.
* Write a brief message to the print stream and
* output the message. The writeTo() method can throw
* SOAPException or IOException
*/
private void logToSystemOut(SOAPMessageContext smc) {
Boolean outboundProperty = (Boolean)
smc.get (MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (outboundProperty.booleanValue()) {
out.println("\nOutbound message:");
} else {
out.println("\nInbound message:");
}
SOAPMessage message = smc.getMessage();
try {
message.writeTo(out);
out.println(""); // just to add a newline
} catch (Exception e) {
out.println("Exception in handler: " + e);
}
}
}
ep.publish(publishURL);
:publishURL
是什么(在我的代码中,wsdl url包含在服务本身中;我没有任何外部url。我错过了什么吗?) - badera在启动Tomcat之前,在Linux环境下将JAVA_OPTS
设置如下。然后启动Tomcat。您将在catalina.out
文件中看到请求和响应。
export JAVA_OPTS="$JAVA_OPTS -Dcom.sun.xml.ws.transport.http.client.HttpTransportPipe.dump=true"
-Dcom.sun.xml.ws.transport.http.client.HttpTransportPipe.dump=true
。 - tibo将 SOAPHandler
注入端点接口,我们可以跟踪 SOAP 请求和响应。
使用编程方式实现 SOAPHandler
ServerImplService service = new ServerImplService();
Server port = imgService.getServerImplPort();
/**********for tracing xml inbound and outbound******************************/
Binding binding = ((BindingProvider)port).getBinding();
List<Handler> handlerChain = binding.getHandlerChain();
handlerChain.add(new SOAPLoggingHandler());
binding.setHandlerChain(handlerChain);
声明式可以通过在您的端点接口上添加@HandlerChain(file = "handlers.xml")
注释来实现。
handlers.xml
<?xml version="1.0" encoding="UTF-8"?>
<handler-chains xmlns="http://java.sun.com/xml/ns/javaee">
<handler-chain>
<handler>
<handler-class>SOAPLoggingHandler</handler-class>
</handler>
</handler-chain>
</handler-chains>
SOAPLoggingHandler.java
/*
* This simple SOAPHandler will output the contents of incoming
* and outgoing messages.
*/
public class SOAPLoggingHandler implements SOAPHandler<SOAPMessageContext> {
public Set<QName> getHeaders() {
return null;
}
public boolean handleMessage(SOAPMessageContext context) {
Boolean isRequest = (Boolean) context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (isRequest) {
System.out.println("is Request");
} else {
System.out.println("is Response");
}
SOAPMessage message = context.getMessage();
try {
SOAPEnvelope envelope = message.getSOAPPart().getEnvelope();
SOAPHeader header = envelope.getHeader();
message.writeTo(System.out);
} catch (SOAPException | IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return true;
}
public boolean handleFault(SOAPMessageContext smc) {
return true;
}
// nothing to clean up
public void close(MessageContext messageContext) {
}
}
设置以下系统属性,这将启用XML日志记录。您可以在Java或配置文件中进行设置。
static{
System.setProperty("com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump", "true");
System.setProperty("com.sun.xml.ws.transport.http.HttpAdapter.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.HttpAdapter.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.HttpAdapter.dumpTreshold", "999999");
}
控制台日志:
INFO: Outbound Message
---------------------------
ID: 1
Address: http://localhost:7001/arm-war/castService
Encoding: UTF-8
Http-Method: POST
Content-Type: text/xml
Headers: {Accept=[*/*], SOAPAction=[""]}
Payload: xml
--------------------------------------
INFO: Inbound Message
----------------------------
ID: 1
Response-Code: 200
Encoding: UTF-8
Content-Type: text/xml; charset=UTF-8
Headers: {content-type=[text/xml; charset=UTF-8], Date=[Fri, 20 Jan 2017 11:30:48 GMT], transfer-encoding=[chunked]}
Payload: xml
--------------------------------------
public class LogMessageHandler implements SOAPHandler<SOAPMessageContext> {
@Override
public Set<QName> getHeaders() {
return Collections.EMPTY_SET;
}
@Override
public boolean handleMessage(SOAPMessageContext context) {
SOAPMessage msg = context.getMessage(); //Line 1
try {
msg.writeTo(System.out); //Line 3
} catch (Exception ex) {
Logger.getLogger(LogMessageHandler.class.getName()).log(Level.SEVERE, null, ex);
}
return true;
}
@Override
public boolean handleFault(SOAPMessageContext context) {
return true;
}
@Override
public void close(MessageContext context) {
}
}
// 以编程方式添加 LogMessageHandler
com.csd.Service service = null;
URL url = new URL("https://service.demo.com/ResService.svc?wsdl");
service = new com.csd.Service(url);
com.csd.IService port = service.getBasicHttpBindingIService();
BindingProvider bindingProvider = (BindingProvider)port;
Binding binding = bindingProvider.getBinding();
List<Handler> handlerChain = binding.getHandlerChain();
handlerChain.add(new LogMessageHandler());
binding.setHandlerChain(handlerChain);
我发布了一个新答案,因为我没有足够的声望来评论由Antonio提供的答案(参见:https://dev59.com/UHI-5IYBdhLWcg3wQV8Z#1957777)。
如果你想要将SOAP消息打印到文件中(例如通过Log4j),你可以使用以下代码:
OutputStream os = new ByteArrayOutputStream();
javax.xml.soap.SOAPMessage soapMsg = context.getMessage();
soapMsg.writeTo(os);
Logger LOG = Logger.getLogger(SOAPLoggingHandler.class); // Assuming SOAPLoggingHandler is the class name
LOG.info(os.toString());
javax.xml.soap.SOAPMessage soapMsg = context.getMessage();
com.sun.xml.ws.api.message.Message msg = new com.sun.xml.ws.message.saaj.SAAJMessage(soapMsg);
com.sun.xml.ws.api.message.Packet packet = new com.sun.xml.ws.api.message.Packet(msg);
Logger LOG = Logger.getLogger(SOAPLoggingHandler.class); // Assuming SOAPLoggingHandler is the class name
LOG.info(packet.toString());
SOAPHandler
的答案是完全正确的。这种方法的好处在于它将与任何JAX-WS实现一起工作,因为SOAPHandler是JAX-WS规范的一部分。但是,SOAPHandler的问题在于它隐式地尝试在内存中表示整个XML消息。这可能会导致巨大的内存使用量。 JAX-WS的各种实现已经为此添加了自己的解决方法。如果您处理大型请求或响应,则需要查看专有方法之一。MessageHandler<MessageHandlerContext>
,它是Metro专有的。它比SOAPHandler<SOAPMessageContext>
更有效,因为它不尝试进行内存中的DOM表示。public class LoggingHandler implements MessageHandler<MessageHandlerContext> {
public boolean handleMessage(MessageHandlerContext mhc) {
Message m = mhc.getMessage().copy();
XMLStreamWriter writer = XMLStreamWriterFactory.create(System.out);
try {
m.writeTo(writer);
} catch (XMLStreamException e) {
e.printStackTrace();
return false;
}
return true;
}
public boolean handleFault(MessageHandlerContext mhc) {
.....
return true;
}
public void close(MessageContext messageContext) { }
public Set getHeaders() {
return null;
}
}
不用说,您的自定义Handler(例如示例中的LoggingHandler
)需要添加到处理程序链中才能生效。这与添加任何其他Handler
相同,因此您可以查看此页面上的其他答案以了解如何执行此操作。
您可以在Metro GitHub存储库中找到一个完整示例。
MesageHandler
都处理解析后的XML响应,这意味着如果你收到损坏的响应,就无法进入处理程序。使用管道记录器(如com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe
),你有机会看到损坏的响应。 - undefinedhttp://java.sun.com/mailers/techtips/enterprise/2006/TechTips_June06.html