| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DetermineActionValve |
|
| 4.0;4 |
| 1 | package org.apache.turbine.pipeline; | |
| 2 | ||
| 3 | ||
| 4 | /* | |
| 5 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 6 | * or more contributor license agreements. See the NOTICE file | |
| 7 | * distributed with this work for additional information | |
| 8 | * regarding copyright ownership. The ASF licenses this file | |
| 9 | * to you under the Apache License, Version 2.0 (the | |
| 10 | * "License"); you may not use this file except in compliance | |
| 11 | * with the License. You may obtain a copy of the License at | |
| 12 | * | |
| 13 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 14 | * | |
| 15 | * Unless required by applicable law or agreed to in writing, | |
| 16 | * software distributed under the License is distributed on an | |
| 17 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 18 | * KIND, either express or implied. See the License for the | |
| 19 | * specific language governing permissions and limitations | |
| 20 | * under the License. | |
| 21 | */ | |
| 22 | ||
| 23 | ||
| 24 | import java.io.IOException; | |
| 25 | ||
| 26 | import org.apache.commons.logging.Log; | |
| 27 | import org.apache.commons.logging.LogFactory; | |
| 28 | import org.apache.turbine.util.RunData; | |
| 29 | import org.apache.turbine.util.TurbineException; | |
| 30 | import org.apache.turbine.util.uri.URIConstants; | |
| 31 | ||
| 32 | /** | |
| 33 | * This valve is responsible for setting the 'action' property of RunData based | |
| 34 | * on request parameter. There is no default action, since a null action is | |
| 35 | * perfectly valid. | |
| 36 | * | |
| 37 | * @author <a href="mailto:james@jamestaylor.org">James Taylor</a> | |
| 38 | * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a> | |
| 39 | */ | |
| 40 | 47 | public class DetermineActionValve |
| 41 | extends AbstractValve | |
| 42 | { | |
| 43 | 34 | private static final Log log |
| 44 | = LogFactory.getLog(DetermineActionValve.class); | |
| 45 | ||
| 46 | /** | |
| 47 | * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext) | |
| 48 | */ | |
| 49 | public void invoke(PipelineData pipelineData, ValveContext context) | |
| 50 | throws IOException, TurbineException | |
| 51 | { | |
| 52 | 2 | RunData data = getRunData(pipelineData); |
| 53 | 2 | if (! data.hasAction()) |
| 54 | { | |
| 55 | 2 | String action = |
| 56 | data.getParameters().getString(URIConstants.CGI_ACTION_PARAM); | |
| 57 | ||
| 58 | 2 | if (action != null) |
| 59 | { | |
| 60 | 1 | data.setAction(action); |
| 61 | ||
| 62 | 1 | log.debug("Set action from request parameter"); |
| 63 | } | |
| 64 | else | |
| 65 | { | |
| 66 | 1 | log.debug("No action"); |
| 67 | } | |
| 68 | } | |
| 69 | ||
| 70 | 2 | if (log.isDebugEnabled()) |
| 71 | { | |
| 72 | 2 | log.debug("Action is now: " + data.getAction()); |
| 73 | } | |
| 74 | ||
| 75 | // Pass control to the next Valve in the Pipeline | |
| 76 | 2 | context.invokeNext(pipelineData); |
| 77 | 1 | } |
| 78 | } |