Coverage Report - org.apache.tapestry.form.ValidatableFieldSupport
 
Classes in this File Line Coverage Branch Coverage Complexity
ValidatableFieldSupport
N/A
N/A
1
 
 1  
 // Copyright 2005 The Apache Software Foundation
 2  
 //
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 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package org.apache.tapestry.form;
 16  
 
 17  
 import org.apache.tapestry.IMarkupWriter;
 18  
 import org.apache.tapestry.IRequestCycle;
 19  
 import org.apache.tapestry.form.validator.Required;
 20  
 import org.apache.tapestry.valid.ValidatorException;
 21  
 
 22  
 /**
 23  
  * Implements the logic used by {@link Required}s for required field checking on rewind and
 24  
  * generating client-side logic during render.
 25  
  * 
 26  
  * @author Paul Ferraro
 27  
  * @since 4.0
 28  
  */
 29  
 public interface ValidatableFieldSupport
 30  
 {
 31  
     /**
 32  
      * Called during render of the specified component. Renders any contributions from validators.
 33  
      */
 34  
     void renderContributions(ValidatableField field, IMarkupWriter writer,
 35  
             IRequestCycle cycle);
 36  
 
 37  
     /**
 38  
      * Called during rewind of the specified component. Specified value is validated using the 
 39  
      * component's validators.
 40  
      * 
 41  
      * @throws ValidatorException if validation fails
 42  
      */
 43  
     void validate(ValidatableField component, IMarkupWriter writer, IRequestCycle cycle, Object value) throws ValidatorException;
 44  
 
 45  
     /**
 46  
      * Returns true if this component is required. This usually entails a search of the component's
 47  
      * validators.
 48  
      */
 49  
     boolean isRequired(ValidatableField field);
 50  
 }