01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: */
19: package org.apache.openjpa.jdbc.meta.strats;
20:
21: import org.apache.openjpa.jdbc.kernel.JDBCStore;
22: import org.apache.openjpa.jdbc.meta.ValueMapping;
23: import org.apache.openjpa.jdbc.schema.Column;
24: import org.apache.openjpa.jdbc.schema.ColumnIO;
25: import org.apache.openjpa.meta.JavaTypes;
26:
27: /**
28: * Handler for char array values.
29: *
30: * @nojavadoc
31: */
32: public class CharArrayValueHandler extends AbstractValueHandler {
33:
34: private static final CharArrayValueHandler _instance = new CharArrayValueHandler();
35:
36: /**
37: * Singleton instance.
38: */
39: public static CharArrayValueHandler getInstance() {
40: return _instance;
41: }
42:
43: public Column[] map(ValueMapping vm, String name, ColumnIO io,
44: boolean adapt) {
45: Column col = new Column();
46: col.setName(name);
47: col.setJavaType(JavaTypes.STRING);
48: return new Column[] { col };
49: }
50:
51: public Object toDataStoreValue(ValueMapping vm, Object val,
52: JDBCStore store) {
53: return (val == null) ? null : String
54: .valueOf(PrimitiveWrapperArrays.toCharArray(val));
55: }
56:
57: public Object toObjectValue(ValueMapping vm, Object val) {
58: if (val == null)
59: return null;
60:
61: char[] array = ((String) val).toCharArray();
62: return PrimitiveWrapperArrays.toObjectValue(vm, array);
63: }
64: }
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