com.google.inject.internal.MessageProcessor Maven / Gradle / Ivy
/**
* 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.Guice;
import com.google.inject.spi.Message;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Handles {@code Binder.addError} commands.
*
* @author [email protected] (Bob Lee)
* @author [email protected] (Jesse Wilson)
*/
final class MessageProcessor extends AbstractProcessor {
private static final Logger logger = Logger.getLogger(Guice.class.getName());
MessageProcessor(Errors errors) {
super(errors);
}
@Override public Boolean visit(Message message) {
if (message.getCause() != null) {
String rootMessage = getRootMessage(message.getCause());
logger.log(Level.INFO,
"An exception was caught and reported. Message: " + rootMessage,
message.getCause());
}
errors.addMessage(message);
return true;
}
public static String getRootMessage(Throwable t) {
Throwable cause = t.getCause();
return cause == null ? t.toString() : getRootMessage(cause);
}
}