001 /*
002 * Copyright 2004 The Apache Software Foundation
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package org.apache.commons.convert.conversion;
017
018 import org.apache.commons.convert.Conversion;
019 import org.apache.commons.convert.Converter;
020
021 /**
022 * Conversion from String to Integer using <code>Integer.valueOf()</code>.
023 *
024 * @author Stephen Colebourne
025 * @author Oliver Heger
026 * @version $Id: StringToIntegerConversion.java 155441 2005-02-26 13:19:22Z dirkv $
027 * @since 1.0
028 */
029 public class StringToIntegerConversion extends AbstractConversion {
030
031 /** Singleton instance of this factory */
032 public static final Conversion INSTANCE = new StringToIntegerConversion();
033
034 /**
035 * Constructor.
036 */
037 protected StringToIntegerConversion() {
038 super(STRING_CLASS, Integer.class);
039 }
040
041 //-----------------------------------------------------------------------
042 /**
043 * Convert the non-null String to an Integer using <code>Integer.valueOf()</code>.
044 *
045 * @param value the input value to be converted, pre-checked to not be null
046 * @param converter the converter being used, not null
047 * @return the converted value
048 * @throws RuntimeException if conversion fails
049 */
050 protected Object convertValue(Object value, Converter converter) {
051 return Integer.valueOf((String) value);
052 }
053
054 }