/
MessagerAdapter.java
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/
MessagerAdapter.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.hibernate.validator.ap.util;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import java.util.Set;
import javax.annotation.processing.Messager;
import javax.tools.Diagnostic.Kind;
import org.hibernate.validator.ap.checks.ConstraintCheckError;
/**
* Wrapper around {@link Messager}, which adds the ability to format error messages using {@link MessageFormat}.
*
* @author Gunnar Morling
*/
public class MessagerAdapter {
/**
* Contains the texts to be displayed.
*/
private final ResourceBundle errorMessages;
private final Messager messager;
/**
* The kind of diagnostic to be used when reporting any problems.
*/
private Kind diagnosticKind;
/**
* Creates a new MessagerAdapter.
*
* @param messager The underlying messager.
* @param diagnosticKind The kind with which messages shall be reported.
*/
public MessagerAdapter(Messager messager, Kind diagnosticKind) {
this.messager = messager;
this.diagnosticKind = diagnosticKind;
errorMessages = ResourceBundle.getBundle( "org.hibernate.validator.ap.ValidationProcessorMessages" );
}
/**
* Returns the messager used by this adapter.
*
* @return The underlying messager.
*/
public Messager getDelegate() {
return messager;
}
/**
* Reports the given errors against the underlying {@link Messager} using
* the specified {@link Kind}.
*
* @param errors A set with errors to report. May be empty but must not be
* null.
*/
public void reportErrors(Set<ConstraintCheckError> errors) {
for ( ConstraintCheckError oneError : errors ) {
reportError( oneError );
}
}
/**
* Reports the given error. Message parameters will be put into the template
* retrieved from the resource bundle if applicable.
*
* @param error The error to report.
*/
private void reportError(ConstraintCheckError error) {
String message = errorMessages.getString( error.getMessageKey() );
if ( error.getMessageParameters() != null ) {
message = MessageFormat.format( message, error.getMessageParameters() );
}
messager.printMessage(
diagnosticKind, message, error.getElement(), error.getAnnotationMirror()
);
}
}