001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 019 package org.apache.commons.betwixt.strategy; 020 021 import org.apache.commons.betwixt.IntrospectionConfiguration; 022 023 /** 024 * Strategy for binding simple types. 025 * Simple types (in xml) have no attributes or child elements. 026 * For Betwixt, these are converted to and from strings 027 * and these strings used to populate either attributes or element body's. 028 * @author <a href='http://commons.apache.org/'>Apache Commons Team</a> 029 * @version $Revision: 561314 $ 030 */ 031 public abstract class SimpleTypeMapper { 032 033 /** 034 * Enumerates binding options for simple types. 035 * Simple types (in xml) have no attributes or child elements. 036 * For Betwixt, these are converted to and from strings 037 * and these strings used to populate either attributes or element body's. 038 * @author <a href='http://commons.apache.org/'>Apache Commons Team</a> 039 * @version $Revision: 561314 $ 040 */ 041 public static class Binding { 042 public static final Binding ELEMENT = new Binding(1); 043 public static final Binding ATTRIBUTE = new Binding(2); 044 045 private static final int ELEMENT_CODE = 1; 046 private static final int ATTRIBUTE_CODE = 2; 047 048 private int code; 049 private Binding(int code) { 050 this.code = code; 051 } 052 053 054 /** 055 * Equals compatible with the enumeration. 056 */ 057 public boolean equals( Object obj ) { 058 boolean result = false; 059 if ( obj == this ) { 060 result = true; 061 } 062 return result; 063 } 064 065 /** 066 * Implementation compatible with equals 067 */ 068 public int hashCode() { 069 return code; 070 } 071 072 /** 073 * Generate something appropriate for logging. 074 */ 075 public String toString() { 076 String result = "[Binding]"; 077 switch (code) { 078 case ELEMENT_CODE: 079 result = "[Binding: ELEMENT]"; 080 break; 081 082 case ATTRIBUTE_CODE: 083 result = "[Binding: ATTRIBUTE]"; 084 break; 085 } 086 return result; 087 } 088 } 089 090 /** 091 * <p>Specifies the binding of a simple type. 092 * </p><p> 093 * <strong>Note:</strong> the xml name to which this property will be bound 094 * cannot be known at this stage (since it depends 095 * </p> 096 * @param propertyName the name of the property (to be bound) 097 * @param propertyType the type of the property (to be bound) 098 * @param configuration the current IntrospectionConfiguration 099 */ 100 public abstract SimpleTypeMapper.Binding bind( 101 String propertyName, 102 Class propertyType, 103 IntrospectionConfiguration configuration); 104 }