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.wicket.guice;
18:
19: import java.lang.annotation.Annotation;
20:
21: import org.apache.wicket.Application;
22: import org.apache.wicket.proxy.IProxyTargetLocator;
23: import org.apache.wicket.util.lang.Classes;
24:
25: import com.google.inject.Key;
26:
27: class GuiceProxyTargetLocator implements IProxyTargetLocator {
28: private static final long serialVersionUID = 1L;
29:
30: private String typeName;
31: private Annotation bindingAnnotation;
32:
33: GuiceProxyTargetLocator(Class<?> type, Annotation bindingAnnotation) {
34: this .typeName = type.getName();
35: this .bindingAnnotation = bindingAnnotation;
36: }
37:
38: public Object locateProxyTarget() {
39: GuiceInjectorHolder holder = (GuiceInjectorHolder) Application
40: .get().getMetaData(GuiceInjectorHolder.INJECTOR_KEY);
41: final Key<?> key;
42: if (bindingAnnotation == null) {
43: key = Key.get(Classes.resolveClass(typeName));
44: } else {
45: key = Key.get(Classes.resolveClass(typeName),
46: bindingAnnotation);
47: }
48: return holder.getInjector().getInstance(key);
49: }
50: }
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