Clover coverage report - Code Coverage for tapestry release 4.0.2
Coverage timestamp: Thu Apr 13 2006 10:52:06 EDT
file stats: LOC: 44   Methods: 0
NCLOC: 4   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
ValueConverter.java - - - -
coverage
 1    // Copyright 2004, 2005 The Apache Software Foundation
 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 org.apache.tapestry.coerce;
 16   
 17    /**
 18    * Converts a value (possibly null) to an alternate data type; typically from String to boolean or a
 19    * number type.
 20    * <p>
 21    * Typically, a ValueConverter will select a particular
 22    * {@link org.apache.tapestry.coerce.TypeConverter}to perform the conversion. The
 23    * {@link org.apache.tapestry.coerce.ValueConverterImpl}implementation also makes use of built-in
 24    * {@link java.beans.PropertyEditor}s.
 25    *
 26    * @author Howard M. Lewis Ship
 27    * @since 4.0
 28    */
 29    public interface ValueConverter
 30    {
 31    /**
 32    * Performs a conversion of a value to a particular type.
 33    *
 34    * @param value
 35    * The value to be converted (may be null)
 36    * @param desiredType
 37    * the type that will be converted to
 38    * @returns the value converted to the indicated type. May return the input value if it is
 39    * already assignable to the desiredType.
 40    * @throws org.apache.hivemind.ApplicationRuntimeException
 41    * if the value can not be converted
 42    */
 43    public Object coerceValue(Object value, Class desiredType);
 44    }