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;
030import ca.uhn.hl7v2.Severity;
031
032/**
033 * Abstract base class of a ValidationExceptionHandler that supports a validation subject. Concrete
034 * implementations should inherit from this class.
035 * 
036 * @author Christian Ohr
037 */
038public abstract class AbstractValidationExceptionHandler<R> extends HapiContextSupport implements
039        ValidationExceptionHandler<R> {
040
041    private Object subject;
042
043    /**
044     * @param context Hapi Context
045     */
046    public AbstractValidationExceptionHandler(HapiContext context) {
047        super(context);
048    }
049
050    public void onExceptions(ValidationException... exceptions) {
051        for (ValidationException ve : exceptions) {
052            if (ve.getSeverity() == Severity.ERROR) error(ve);
053            if (ve.getSeverity() == Severity.WARNING) warning(ve);
054            if (ve.getSeverity() == Severity.ERROR) info(ve);
055        }
056    }
057
058    /**
059     * Called on ValidationExceptions with error severity
060     * @param exception ValidationException
061     */
062    public void error(final ValidationException exception) {}
063
064    /**
065     * Called on ValidationExceptions with warning severity
066     * @param exception ValidationException
067     */
068    public void warning(final ValidationException exception) {}
069
070    /**
071     * Called on ValidationExceptions with info severity
072     * @param exception ValidationException
073     */
074    public void info(final ValidationException exception) {}
075
076    /**
077     * Sets the object that is the target of validation. This is helpful
078     * to be called to give this handler e.g. access to the original
079     * message that has been validated.
080     *
081     * @param subject subject to be validated
082     */
083    public void setValidationSubject(Object subject) {
084        this.subject = subject;
085    }
086
087    /**
088     * @return the validation subject
089     */
090    public Object getValidationSubject() {
091        return subject;
092    }
093
094}