001 /*
002 * Copyright (C) 2003-2009 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019 package org.crsh.jcr;
020
021 import javax.jcr.Node;
022 import javax.jcr.Property;
023 import javax.jcr.RepositoryException;
024 import java.io.InputStream;
025 import java.math.BigDecimal;
026 import java.math.BigInteger;
027 import java.util.*;
028
029 /**
030 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
031 * @version $Revision$
032 */
033 public enum PropertyType {
034
035 PATH(javax.jcr.PropertyType.PATH){
036 @Override
037 public Object getValue(Property property) throws RepositoryException {
038 return property.getString();
039 }
040 @Override
041 public Property set(Node node, String name, Object value) throws RepositoryException {
042 if (value instanceof String) {
043 return node.setProperty(name, (String)value);
044 } else {
045 return null;
046 }
047 }
048 @Override
049 protected Collection<Class<?>> getCanonicalTypes() {
050 return Collections.emptySet();
051 }
052 },
053
054 STRING(javax.jcr.PropertyType.STRING){
055 @Override
056 public Object getValue(Property property) throws RepositoryException {
057 return property.getString();
058 }
059 @Override
060 public Property set(Node node, String name, Object value) throws RepositoryException {
061 if (value instanceof String) {
062 return node.setProperty(name, (String)value);
063 } else if (value instanceof Character) {
064 return node.setProperty(name, Character.toString((Character)value));
065 } else {
066 return null;
067 }
068 }
069 @Override
070 protected Collection<Class<?>> getCanonicalTypes() {
071 return Arrays.<Class<?>>asList(String.class,Character.class);
072 }
073 },
074
075 LONG(javax.jcr.PropertyType.LONG) {
076 @Override
077 public Object getValue(Property property) throws RepositoryException {
078 return property.getLong();
079 }
080 @Override
081 public Property set(Node node, String name, Object value) throws RepositoryException {
082 if (value instanceof Long) {
083 return node.setProperty(name, (Long)value);
084 } else if (value instanceof Integer) {
085 return node.setProperty(name, (Integer)value);
086 } else if (value instanceof Byte) {
087 return node.setProperty(name, (Byte)value);
088 } else if (value instanceof BigInteger) {
089 BigInteger biValue = (BigInteger)value;
090 return node.setProperty(name, biValue.longValue());
091 } else {
092 return null;
093 }
094 }
095 @Override
096 protected Collection<Class<?>> getCanonicalTypes() {
097 return Arrays.<Class<?>>asList(Long.class,Integer.class,Byte.class,BigInteger.class);
098 }
099 },
100
101 DOUBLE(javax.jcr.PropertyType.DOUBLE) {
102 @Override
103 public Object getValue(Property property) throws RepositoryException {
104 return property.getDouble();
105 }
106 @Override
107 public Property set(Node node, String name, Object value) throws RepositoryException {
108 if (value instanceof Double) {
109 return node.setProperty(name, (Double)value);
110 } else if (value instanceof Float) {
111 return node.setProperty(name, (Float)value);
112 } else if (value instanceof BigDecimal) {
113 BigDecimal bdValue = (BigDecimal)value;
114 return node.setProperty(name, bdValue.doubleValue());
115 } else {
116 return null;
117 }
118 }
119 @Override
120 protected Collection<Class<?>> getCanonicalTypes() {
121 return Arrays.<Class<?>>asList(Double.class,Float.class,BigDecimal.class);
122 }
123 },
124
125 BOOLEAN(javax.jcr.PropertyType.BOOLEAN) {
126 @Override
127 public Object getValue(Property property) throws RepositoryException {
128 return property.getBoolean();
129 }
130 @Override
131 public Property set(Node node, String name, Object value) throws RepositoryException {
132 if (value instanceof Boolean) {
133 return node.setProperty(name, (Boolean)value);
134 } else {
135 return null;
136 }
137 }
138 @Override
139 protected Collection<Class<?>> getCanonicalTypes() {
140 return Arrays.<Class<?>>asList(Boolean.class);
141 }
142 },
143
144 DATE(javax.jcr.PropertyType.DATE) {
145 @Override
146 public Object getValue(Property property) throws RepositoryException {
147 return property.getDate();
148 }
149 @Override
150 public Property set(Node node, String name, Object value) throws RepositoryException {
151 if (value instanceof Calendar) {
152 return node.setProperty(name, (Calendar)value);
153 } else {
154 return null;
155 }
156 }
157 @Override
158 protected Collection<Class<?>> getCanonicalTypes() {
159 return Arrays.<Class<?>>asList(Calendar.class);
160 }
161 },
162
163 BINARY(javax.jcr.PropertyType.BINARY) {
164 @Override
165 public Object getValue(Property property) throws RepositoryException {
166 return property.getStream();
167 }
168 @Override
169 public Property set(Node node, String name, Object value) throws RepositoryException {
170 if (value instanceof InputStream) {
171 return node.setProperty(name, (InputStream)value);
172 } else {
173 return null;
174 }
175 }
176 @Override
177 protected Collection<Class<?>> getCanonicalTypes() {
178 return Arrays.<Class<?>>asList(InputStream.class);
179 }
180 },
181
182 REFERENCE(javax.jcr.PropertyType.REFERENCE) {
183 @Override
184 public Object getValue(Property property) throws RepositoryException {
185 return property.getNode();
186 }
187 @Override
188 public Property set(Node node, String name, Object value) throws RepositoryException {
189 if (value instanceof Node) {
190 return node.setProperty(name, (Node)value);
191 } else {
192 return null;
193 }
194 }
195 @Override
196 protected Collection<Class<?>> getCanonicalTypes() {
197 return Arrays.<Class<?>>asList(Node.class);
198 }
199 };
200
201 /** . */
202 private static final PropertyType[] all = new PropertyType[20]; // 20 should be enough
203
204 /** . */
205 private static final Map<Class<?>, PropertyType> canonicalMapping = new HashMap<Class<?>, PropertyType>();
206
207 static {
208 for (PropertyType type : PropertyType.values())
209 {
210 all[type.value] = type;
211 for (Class<?> canonicalType : type.getCanonicalTypes())
212 {
213 canonicalMapping.put(canonicalType, type);
214 }
215 }
216 }
217
218 public static PropertyType fromCanonicalType(Class<?> canonicalType)
219 {
220 for (Class<?> currentType = canonicalType;currentType != null;currentType = currentType.getSuperclass()) {
221 PropertyType type = canonicalMapping.get(currentType);
222 if (type != null) {
223 return type;
224 }
225 }
226
227 //
228 return null;
229 }
230
231 public static PropertyType fromValue(int v)
232 {
233 PropertyType type = null;
234 if (v >= 0 && v < all.length)
235 {
236 type = all[v];
237 }
238
239 //
240 if (type == null)
241 {
242 throw new IllegalArgumentException("JCR Property type " + v + " not handled yet");
243 }
244 else
245 {
246 return type;
247 }
248 }
249
250 /** . */
251 private final int value;
252
253 PropertyType(int value) {
254 this.value = value;
255 }
256
257 public int getValue() {
258 return value;
259 }
260
261 public abstract Object getValue(Property property) throws RepositoryException;
262
263 public abstract Property set(Node node, String name, Object value) throws RepositoryException;
264
265 protected abstract Collection<Class<?>> getCanonicalTypes();
266 }