| /** |
| * Copyright (C) 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package com.google.inject.internal; |
| |
| import com.google.inject.spi.SourceProviders; |
| |
| import java.util.concurrent.Callable; |
| |
| /** |
| * An arbitrary body of code that throws a {@link ResolveFailedException}. |
| * Only necessary because it's difficult to throw specific types with Callable. |
| * |
| * @author jessewilson@google.com (Jesse Wilson) |
| */ |
| public abstract class ResolvingCallable<T> implements Callable<T> { |
| public abstract T call() throws ResolveFailedException; |
| |
| public T runWithDefaultSource(Object source) throws ResolveFailedException { |
| try { |
| return SourceProviders.withDefaultChecked(source, this); |
| } catch (ResolveFailedException e) { |
| throw e; |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new AssertionError(); |
| } |
| } |
| } |