/*
* 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 org.elasticsearch.common.inject;
import org.elasticsearch.common.inject.internal.Errors;
import org.elasticsearch.common.inject.spi.Message;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import static java.util.Collections.singleton;
import static java.util.Collections.unmodifiableSet;
import static org.elasticsearch.common.util.set.Sets.newHashSet;
/**
* 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 final class ProvisionException extends RuntimeException {
private final Set<Message> messages;
/**
* Creates a ConfigurationException containing {@code messages}.
*/
public ProvisionException(Iterable<Message> messages) {
this.messages = unmodifiableSet(newHashSet(messages));
if (this.messages.isEmpty()) {
throw new IllegalArgumentException();
}
initCause(Errors.getOnlyCause(this.messages));
}
public ProvisionException(String message, Throwable cause) {
super(cause);
this.messages = singleton(new Message(Collections.emptyList(), message, cause));
}
public ProvisionException(String message) {
this.messages = singleton(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);
}
}