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/**
* 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.internal.Errors;
import com.google.common.collect.ImmutableSet;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.inject.spi.Message;
import java.util.Collection;
/**
* Thrown when errors occur while creating a {@link Injector}. Includes a list of encountered
* errors. Clients should catch this exception, log it, and stop execution.
*
* @author crazybob@google.com (Bob Lee)
*/
public class CreationException extends RuntimeException {
private final ImmutableSet<Message> messages;
/** Creates a CreationException containing {@code messages}. */
public CreationException(Collection<Message> messages) {
this.messages = ImmutableSet.copyOf(messages);
checkArgument(!this.messages.isEmpty());
initCause(Errors.getOnlyCause(this.messages));
}
/** Returns messages for the errors that caused this exception. */
public Collection<Message> getErrorMessages() {
return messages;
}
@Override public String getMessage() {
return Errors.format("Guice creation errors", messages);
}
private static final long serialVersionUID = 0;
}
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