com.google.gwt.libideas.validation.client.ErrorHandler.java Source code

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Here is the source code for com.google.gwt.libideas.validation.client.ErrorHandler.java

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/*
 * Copyright 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.gwt.libideas.validation.client;

/**
 * <code>ErrorHandler</code> processes error messages and exceptions derived
 * from <code>ValidationException</code>. It is always called directly from
 * <code>Validator</code> subclasses. A default <code>ErrorHandler</code> is
 * supplied by the system if the user does not create one.
 * 
 */
public abstract class ErrorHandler {
    /**
     * Reports that a subject threw a <code>ValidationException</code> during validation.
     *
     * @param subject the subject with the error
     * @param exception the <code>Exception</code> thrown.
     */
    public void reportError(Subject subject, ValidationException exception) {
        reportError(subject, exception.getErrorMessage());
    }

    /**
     * Reports that a subject reported an error during validation.
     *
     * @param subject the subject with the error
     * @param errorMessage the error reported
     */
    public void reportError(Subject subject, String errorMessage) {
        reportError(errorMessage);
        subject.setError(true);
    }

    /**
     * Reports errors.
     */
    public abstract void reportError(String errorMessage);
}