2 * Copyright 2008 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.system.adapters;
18 import org.wamblee.system.core.RequiredInterface;
19 import org.wamblee.system.core.Scope;
22 * Value provider that provides a value through a required interface.
24 * @author Erik Brakkee
26 class RequiredInterfaceProvider implements ValueProvider {
28 private RequiredInterface _required;
31 * Constructs the provider
32 * @param aRequired Required interface.
34 public RequiredInterfaceProvider(RequiredInterface aRequired) {
35 _required = aRequired;
39 public Object getValue(Scope aScope) {
40 return aScope.getInterfaceImplementation(_required.getProvider(), Object.class);
43 public RequiredInterface getRequiredInterface() {