01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.codehaus.griffon.runtime.core.injection;
19
20 import griffon.core.injection.Binding;
21 import griffon.core.injection.Module;
22
23 import javax.annotation.Nonnull;
24 import java.util.ArrayList;
25 import java.util.List;
26
27 import static griffon.util.GriffonClassUtils.requireState;
28 import static java.util.Objects.requireNonNull;
29
30 /**
31 * @author Andres Almiray
32 * @since 2.0.0
33 */
34 public abstract class AbstractModule implements Module {
35 protected final List<Binding<?>> bindings = new ArrayList<>();
36 protected BindingBuilder<?> currentBinding;
37 protected boolean configured;
38
39 public final void configure() {
40 requireState(!configured, "Module " + this + " has already been configured");
41 doConfigure();
42 configured = true;
43 }
44
45 protected abstract void doConfigure();
46
47 @Nonnull
48 @Override
49 public final List<Binding<?>> getBindings() {
50 if (!configured) {
51 configure();
52 }
53
54 if (currentBinding != null) {
55 bindings.add(currentBinding.getBinding());
56 currentBinding = null;
57 }
58 return bindings;
59 }
60
61 protected <T> AnnotatedBindingBuilder<T> bind(@Nonnull Class<T> clazz) {
62 requireNonNull(clazz, "Argument 'class' must not be null");
63 if (currentBinding != null) {
64 bindings.add(currentBinding.getBinding());
65 }
66
67 AnnotatedBindingBuilder<T> builder = Bindings.bind(clazz);
68 currentBinding = builder;
69 return builder;
70 }
71 }
|