我正在编写一些代码来收集某些控制器的请求参数和响应主体。
由于项目框架是apache CXF,其版本为3.1.18
,
我写了一个拦截器,它扩展了AbstractPhaseInterceptor来收集阶段Phase.RECEIVE
中的参数,该参数正在起作用。
但是当写outInterceptor扩展AbstractPhaseInterceptor来收集控制器的响应时,我发现没有办法做到这一点,在拦截器中只有一种方法handleMessage(Message message)
,我无法获取我想要的任何东西从消息中
有人可以帮助我吗?我是CXF的新手。谢谢!
答案 0 :(得分:0)
我从另一个Blob找到了答案
package XXX.web.webservice.interceptor;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.commons.io.IOUtils;
import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.log4j.Logger;
public class ArtifactOutInterceptor extends AbstractPhaseInterceptor<Message>{
private static final Logger log = Logger.getLogger(ArtifactOutInterceptor.class);
public ArtifactOutInterceptor() {
//这儿使用pre_stream,意思为在流关闭之前
super(Phase.PRE_STREAM);
}
public void handleMessage(Message message) {
try {
OutputStream os = message.getContent(OutputStream.class);
CachedStream cs = new CachedStream();
message.setContent(OutputStream.class, cs);
message.getInterceptorChain().doIntercept(message);
CachedOutputStream csnew = (CachedOutputStream) message.getContent(OutputStream.class);
InputStream in = csnew.getInputStream();
String xml = IOUtils.toString(in);
//这里对xml做处理,处理完后同理,写回流中
IOUtils.copy(new ByteArrayInputStream(xml.getBytes()), os);
cs.close();
os.flush();
message.setContent(OutputStream.class, os);
} catch (Exception e) {
log.error("Error when split original inputStream. CausedBy : " + "\n" + e);
}
}
private class CachedStream extends CachedOutputStream {
public CachedStream() {
super();
}
protected void doFlush() throws IOException {
currentStream.flush();
}
protected void doClose() throws IOException {
}
protected void onWrite() throws IOException {
}
}
}