/**
* 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.inject.internal.ImmutableList;
import com.google.inject.internal.ImmutableSet;
import static com.google.inject.internal.Preconditions.checkArgument;
import com.google.inject.spi.Message;
import java.util.Collection;
/**
* Indicates that there was a runtime failure while providing an instance.
*
* @author kevinb@google.com (Kevin Bourrillion)
* @author jessewilson@google.com (Jesse Wilson)
* @since 2.0
*/
public class ProvisionException extends RuntimeException {
protected final ImmutableSet<Message> messages;
/** Creates a ConfigurationException containing {@code messages}. */
public ProvisionException(Iterable<Message> messages) {
this.messages = ImmutableSet.copyOf(messages);
checkArgument(!this.messages.isEmpty());
initCause(Errors.getOnlyCause(this.messages));
}
public ProvisionException(String message, Throwable cause) {
super(cause);
this.messages = ImmutableSet.of(new Message(ImmutableList.of(), message, cause));
}
public ProvisionException(String message) {
this.messages = ImmutableSet.of(new Message(message));
}
/** Returns messages for the errors that caused this exception. */
public Collection<Message> getErrorMessages() {
return messages;
}
@Override public String getMessage() {
return Errors.format("Guice provision errors", messages);
}
private static final long serialVersionUID = 0;
}