001/**
002The contents of this file are subject to the Mozilla Public License Version 1.1 
003(the "License"); you may not use this file except in compliance with the License. 
004You may obtain a copy of the License at http://www.mozilla.org/MPL/ 
005Software distributed under the License is distributed on an "AS IS" basis, 
006WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 
007specific language governing rights and limitations under the License. 
008
009The Original Code is "AbstractValidationExceptionHandler.java".  Description: 
010"Abstract implementation of a ValidationExceptionHandler." 
011
012The Initial Developer of the Original Code is University Health Network. Copyright (C) 
0132012.  All Rights Reserved. 
014
015Contributor(s): ______________________________________. 
016
017Alternatively, the contents of this file may be used under the terms of the 
018GNU General Public License (the "GPL"), in which case the provisions of the GPL are 
019applicable instead of those above.  If you wish to allow use of your version of this 
020file only under the terms of the GPL and not to allow others to use your version 
021of this file under the MPL, indicate your decision by deleting  the provisions above 
022and replace  them with the notice and other provisions required by the GPL License.  
023If you do not delete the provisions above, a recipient may use your version of 
024this file under either the MPL or the GPL. 
025 */
026package ca.uhn.hl7v2.validation;
027
028import ca.uhn.hl7v2.HapiContext;
029import ca.uhn.hl7v2.HapiContextSupport;
030
031/**
032 * Abstract base class of a ValidationExceptionHandler that supports a validation subject. Concrete
033 * implementations should inherit from this class.
034 * 
035 * @author Christian Ohr
036 */
037public abstract class AbstractValidationExceptionHandler<R> extends HapiContextSupport implements
038        ValidationExceptionHandler<R> {
039
040    private Object subject;
041
042    /**
043     * @param context Hapi Context
044     */
045    public AbstractValidationExceptionHandler(HapiContext context) {
046        super(context);
047    }
048
049    public void onExceptions(ValidationException... exceptions) {
050        for (ValidationException ve : exceptions) {
051                switch (ve.getSeverity()) {
052                        case ERROR:
053                                error(ve);
054                                break;
055                        case INFO:
056                                info(ve);
057                                break;
058                        case WARNING:
059                                warning(ve);
060                                break;
061                }
062        }
063    }
064
065    /**
066     * Called on ValidationExceptions with error severity
067     * @param exception ValidationException
068     */
069    public void error(final ValidationException exception) {}
070
071    /**
072     * Called on ValidationExceptions with warning severity
073     * @param exception ValidationException
074     */
075    public void warning(final ValidationException exception) {}
076
077    /**
078     * Called on ValidationExceptions with info severity
079     * @param exception ValidationException
080     */
081    public void info(final ValidationException exception) {}
082
083    /**
084     * Sets the object that is the target of validation. This is helpful
085     * to be called to give this handler e.g. access to the original
086     * message that has been validated.
087     *
088     * @param subject subject to be validated
089     */
090    public void setValidationSubject(Object subject) {
091        this.subject = subject;
092    }
093
094    /**
095     * @return the validation subject
096     */
097    public Object getValidationSubject() {
098        return subject;
099    }
100
101}