01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.jetspeed.pipeline.valve.impl;
18:
19: import javax.servlet.http.HttpServletRequest;
20:
21: import org.apache.commons.logging.Log;
22: import org.apache.commons.logging.LogFactory;
23: import org.apache.jetspeed.pipeline.PipelineException;
24: import org.apache.jetspeed.pipeline.valve.AbstractValve;
25: import org.apache.jetspeed.pipeline.valve.ValveContext;
26: import org.apache.jetspeed.request.RequestContext;
27:
28: /**
29: * <p>
30: * Debug Valve
31: * </p>
32: *
33: * @author <a href="mailto:weaver@apache.org">Scott T. Weaver</a>
34: * @version $Id: $
35: *
36: */
37: public class DebugValveImpl extends AbstractValve {
38: private static final Log log = LogFactory
39: .getLog(DebugValveImpl.class);
40:
41: public DebugValveImpl() {
42: }
43:
44: public void invoke(RequestContext request, ValveContext context)
45: throws PipelineException {
46: debugHeaders(request.getRequest());
47: context.invokeNext(request);
48: }
49:
50: /**
51: * @see java.lang.Object#toString()
52: */
53: public String toString() {
54: return "DebugValveImpl";
55: }
56:
57: private void debugHeaders(HttpServletRequest req) {
58: log
59: .info("-- Jetspeed Debug Valve: Debugging standard headers --");
60: java.util.Enumeration e = req.getHeaderNames();
61: while (e.hasMoreElements()) {
62: String name = (String) e.nextElement();
63: String value = req.getHeader(name);
64: log.info("http header = " + name + " : " + value);
65: // System.out.println("http header = " + name + " : " + value);
66: }
67: }
68: }
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