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1 package org.apache.turbine.services.intake.model; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import java.util.HashMap; 58 import java.util.Map; 59 import org.apache.turbine.services.intake.xmlmodel.XmlField; 60 import org.apache.turbine.util.TurbineException; 61 62 /*** 63 * Creates Field objects. 64 * 65 * @author <a href="mailto:jmcnally@collab.net>;John McNally</a> 66 * @version $Id: FieldFactory.java,v 1.4 2002/07/11 13:21:40 mpoeschl Exp $ 67 */ 68 public abstract class FieldFactory 69 { 70 private static Map fieldCtors = initFieldCtors(); 71 72 private static Map initFieldCtors() 73 { 74 fieldCtors = new HashMap(); 75 76 fieldCtors.put("int", new FieldFactory.FieldCtor() 77 { 78 public Field getInstance(XmlField f, Group g) 79 throws Exception 80 { 81 return new IntegerField(f, g); 82 } 83 } 84 ); 85 fieldCtors.put("boolean", new FieldFactory.FieldCtor() 86 { 87 public Field getInstance(XmlField f, Group g) 88 throws Exception 89 { 90 return new BooleanField(f, g); 91 } 92 } 93 ); 94 fieldCtors.put("String", new FieldFactory.FieldCtor() 95 { 96 public Field getInstance(XmlField f, Group g) 97 throws Exception 98 { 99 return new StringField(f, g); 100 } 101 } 102 ); 103 fieldCtors.put("BigDecimal", new FieldFactory.FieldCtor() 104 { 105 public Field getInstance(XmlField f, Group g) 106 throws Exception 107 { 108 return new BigDecimalField(f, g); 109 } 110 } 111 ); 112 fieldCtors.put("NumberKey", new FieldFactory.FieldCtor() 113 { 114 public Field getInstance(XmlField f, Group g) 115 throws Exception 116 { 117 return new NumberKeyField(f, g); 118 } 119 } 120 ); 121 fieldCtors.put("ComboKey", new FieldFactory.FieldCtor() 122 { 123 public Field getInstance(XmlField f, Group g) 124 throws Exception 125 { 126 return new ComboKeyField(f, g); 127 } 128 } 129 ); 130 fieldCtors.put("StringKey", new FieldFactory.FieldCtor() 131 { 132 public Field getInstance(XmlField f, Group g) 133 throws Exception 134 { 135 return new StringKeyField(f, g); 136 } 137 } 138 ); 139 fieldCtors.put("FileItem", new FieldFactory.FieldCtor() 140 { 141 public Field getInstance(XmlField f, Group g) 142 throws Exception 143 { 144 return new FileItemField(f, g); 145 } 146 } 147 ); 148 fieldCtors.put("DateString", new FieldFactory.FieldCtor() 149 { 150 public Field getInstance(XmlField f, Group g) 151 throws Exception 152 { 153 return new DateStringField(f, g); 154 } 155 } 156 ); 157 fieldCtors.put("float", new FieldFactory.FieldCtor() 158 { 159 public Field getInstance(XmlField f, Group g) 160 throws Exception 161 { 162 return new FloatField(f, g); 163 } 164 } 165 ); 166 return fieldCtors; 167 } 168 169 private static abstract class FieldCtor 170 { 171 public Field getInstance(XmlField f, Group g) throws Exception 172 { 173 return null; 174 } 175 } 176 177 /*** 178 * Creates a Field object appropriate for the type specified 179 * in the xml file. 180 * 181 * @param f a <code>XmlField</code> value 182 * @return a <code>Field</code> value 183 */ 184 public static final Field getInstance(XmlField f, Group g) 185 throws Exception 186 { 187 FieldCtor fieldCtor = null; 188 Field field = null; 189 String type = f.getType(); 190 191 fieldCtor = (FieldCtor)fieldCtors.get(type); 192 if ( fieldCtor == null) 193 { 194 throw new TurbineException("Unsupported type: " + type); 195 } 196 else 197 { 198 field = fieldCtor.getInstance(f, g); 199 } 200 201 return field; 202 } 203 }

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