| // Copyright 2007 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.internal.services; |
| |
| import org.apache.tapestry.Field; |
| import org.apache.tapestry.FieldValidator; |
| import org.apache.tapestry.ioc.AnnotationProvider; |
| import org.apache.tapestry.ioc.Messages; |
| import static org.apache.tapestry.ioc.internal.util.CollectionFactory.newList; |
| import org.apache.tapestry.services.FieldValidatorDefaultSource; |
| import org.apache.tapestry.services.FieldValidatorSource; |
| import org.apache.tapestry.services.ValidationConstraintGenerator; |
| |
| import java.util.List; |
| import java.util.Locale; |
| |
| public class FieldValidatorDefaultSourceImpl implements FieldValidatorDefaultSource |
| { |
| private final ValidationConstraintGenerator validationConstraintGenerator; |
| |
| private final FieldValidatorSource fieldValidatorSource; |
| |
| public FieldValidatorDefaultSourceImpl( |
| ValidationConstraintGenerator validationConstraintGenerator, |
| FieldValidatorSource fieldValidatorSource) |
| { |
| this.validationConstraintGenerator = validationConstraintGenerator; |
| this.fieldValidatorSource = fieldValidatorSource; |
| } |
| |
| public FieldValidator createDefaultValidator(Field field, String overrideId, |
| Messages overrideMessages, Locale locale, Class propertyType, |
| AnnotationProvider propertyAnnotations) |
| { |
| List<FieldValidator> validators = newList(); |
| |
| for (String constraint : validationConstraintGenerator.buildConstraints( |
| propertyType, |
| propertyAnnotations)) |
| { |
| int equalsx = constraint.indexOf('='); |
| |
| String validatorType = equalsx > 0 ? constraint.substring(0, equalsx) : constraint; |
| String constraintValue = equalsx > 0 ? constraint.substring(equalsx + 1) : null; |
| |
| FieldValidator validator = fieldValidatorSource.createValidator( |
| field, |
| validatorType, |
| constraintValue, |
| overrideId, |
| overrideMessages, |
| locale); |
| |
| validators.add(validator); |
| } |
| |
| return validators.size() == 1 ? validators.get(0) : new CompositeFieldValidator(validators); |
| } |
| } |