| /** |
| * Copyright (C) 2006 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; |
| |
| import com.google.inject.spi.Message; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| /** |
| * Thrown when errors occurs while creating a {@link Container}. Includes a |
| * list of encountered errors. Typically, a client should catch this exception, |
| * log it, and stop execution. |
| * |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public class ContainerCreationException extends Exception { |
| |
| final Collection<Message> errorMessages; |
| |
| /** |
| * Constructs a new exception for the given errors. |
| */ |
| public ContainerCreationException(Collection<Message> errorMessages) { |
| super(createErrorMessage(errorMessages)); |
| this.errorMessages = errorMessages; |
| } |
| |
| private static String createErrorMessage(Collection<Message> errorMessages) { |
| StringBuilder error = new StringBuilder(); |
| error.append("Guice configuration errors:\n\n"); |
| int index = 1; |
| for (Message errorMessage : errorMessages) { |
| error.append(index++) |
| .append(") ") |
| .append("Error at ") |
| .append(errorMessage.getSource()) |
| .append(':') |
| .append('\n') |
| .append(" ") |
| .append(errorMessage.getMessage()) |
| .append("\n\n"); |
| } |
| error.append(errorMessages.size()).append(" error[s]\n"); |
| return error.toString(); |
| } |
| |
| /** |
| * Gets the error messages which resulted in this exception. |
| */ |
| public Collection<Message> getErrorMessages() { |
| return Collections.unmodifiableCollection(errorMessages); |
| } |
| |
| public synchronized Throwable fillInStackTrace() { |
| // We don't care about this stack trace. |
| return null; |
| } |
| } |