Coverage Report - net.sf.beanform.validator.AbstractNumberValidator
 
Classes in this File Line Coverage Branch Coverage Complexity
AbstractNumberValidator
100% 
100% 
2.667
 
 1  
 // Copyright 2006 Daniel Gredler
 2  
 //
 3  
 // 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 net.sf.beanform.validator;
 16  
 
 17  
 import java.util.Locale;
 18  
 
 19  
 import org.apache.tapestry.form.IFormComponent;
 20  
 import org.apache.tapestry.form.ValidationMessages;
 21  
 import org.apache.tapestry.form.validator.BaseValidator;
 22  
 import org.apache.tapestry.valid.ValidatorException;
 23  
 
 24  
 /**
 25  
  * Base class for numeric validators.
 26  
  *
 27  
  * @author Daniel Gredler
 28  
  */
 29  15
 public abstract class AbstractNumberValidator extends BaseValidator {
 30  
 
 31  
     public void validate( IFormComponent field, ValidationMessages messages, Object value )
 32  
     throws ValidatorException {
 33  7
         if( value instanceof String ) {
 34  
             try {
 35  6
                 String s = (String) value;
 36  6
                 this.parseNumber( s );
 37  
             }
 38  3
             catch( NumberFormatException e ) {
 39  3
                 String msg = this.buildMessage( field, messages.getLocale() );
 40  3
                 throw new ValidatorException( msg );
 41  3
             }
 42  
         }
 43  1
         else if( value != null ) {
 44  1
             String msg = this.buildMessage( field, messages.getLocale() );
 45  1
             throw new ValidatorException( msg );
 46  
         }
 47  3
     }
 48  
 
 49  
     protected abstract void parseNumber( String s );
 50  
     protected abstract String buildMessage( IFormComponent field, Locale locale );
 51  
 
 52  
 }