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 "DefaultValidator.java".  Description: 
010"Default implementation of a message validator." 
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.DefaultHapiContext;
029import ca.uhn.hl7v2.HapiContext;
030import ca.uhn.hl7v2.model.Message;
031import ca.uhn.hl7v2.validation.builder.ValidationRuleBuilder;
032
033/**
034 * Default implementation of a message validator.
035 * 
036 * @param <R> The type parameter R denotes the result type of the validation
037 *            process.
038 * 
039 * @author Christian Ohr
040 */
041public class DefaultValidator<R> extends AbstractValidator<R> {
042
043    private HapiContext context;
044
045    public DefaultValidator(HapiContext context) {
046        super();
047        this.context = context;
048    }
049
050    public DefaultValidator(ValidationContext validationContext) {
051        this(new DefaultHapiContext(validationContext));
052    }
053
054    public DefaultValidator(ValidationRuleBuilder builder) {
055        this(new DefaultHapiContext(builder));
056    }
057
058    public ValidationContext getValidationContext() {
059        return context.getValidationContext();
060    }
061
062    /**
063     * Returns a new instance of a default {@link ValidationExceptionHandler}
064     * created by the {@link ValidationExceptionHandlerFactory} as returned by
065     * {@link HapiContext}. Only called when no explicit
066     * {@link ValidationExceptionHandler} has been provided for validation using
067     * {@link #validate(Message, ValidationExceptionHandler)}.
068     * 
069     * @return a new instance of a {@link ValidationExceptionHandler}
070     */
071    protected ValidationExceptionHandler<R> initializeHandler() {
072        ValidationExceptionHandlerFactory<R> validationExceptionHandlerFactory = context
073                .getValidationExceptionHandlerFactory();
074        return validationExceptionHandlerFactory.getNewInstance(context);
075    }
076
077}