| // Copyright 2007, 2008 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.tapestry5.internal.services; |
| |
| import org.apache.tapestry5.FieldValidator; |
| import org.apache.tapestry5.MarkupWriter; |
| import org.apache.tapestry5.ValidationException; |
| |
| import java.util.List; |
| |
| /** |
| * Aggregates together a number of field validator instances as a single unit. |
| */ |
| public final class CompositeFieldValidator implements FieldValidator |
| { |
| private final FieldValidator[] validators; |
| |
| public CompositeFieldValidator(List<FieldValidator> validators) |
| { |
| this.validators = validators.toArray(new FieldValidator[validators.size()]); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void validate(Object value) throws ValidationException |
| { |
| for (FieldValidator fv : validators) |
| fv.validate(value); |
| } |
| |
| public void render(MarkupWriter writer) |
| { |
| for (FieldValidator fv : validators) |
| fv.render(writer); |
| } |
| |
| public boolean isRequired() |
| { |
| for (FieldValidator fv : validators) |
| { |
| if (fv.isRequired()) return true; |
| } |
| |
| return false; |
| } |
| |
| } |