01: /*
02: * Copyright 2005-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
05: * in compliance with the License. You may obtain a copy of the License at
06: *
07: * http://www.apache.org/licenses/LICENSE-2.0
08: *
09: * Unless required by applicable law or agreed to in writing, software distributed under the License
10: * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11: * or implied. See the License for the specific language governing permissions and limitations under
12: * the License.
13: */
14:
15: package org.strecks.injection.handler;
16:
17: import org.strecks.context.ActionContext;
18:
19: /**
20: * Interface for extracting a value from the <code>ActionContext</code>, which could be a request
21: * parameter, scoped attribute, configuration parameter, etc. Allows any object accessible to the
22: * request, session or application context, for example, either directly or indirectly, to be
23: * injected.<br>
24: * <br>
25: * <em>Note:</em> <code>InjectionHandler</code> implementations should not store any
26: * requests-specific state, since they are shared among all threads operating on instances of a
27: * particular action bean
28: *
29: * @author Phil Zoio
30: */
31: public interface InjectionHandler {
32:
33: public Object getValue(ActionContext injectionContext);
34: }
|