01: /*
02: * Copyright 2005-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
05: * in compliance with the License. You may obtain a copy of the License at
06: *
07: * http://www.apache.org/licenses/LICENSE-2.0
08: *
09: * Unless required by applicable law or agreed to in writing, software distributed under the License
10: * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11: * or implied. See the License for the specific language governing permissions and limitations under
12: * the License.
13: */
14:
15: package org.strecks.converter;
16:
17: /**
18: * Simple conversion implementation. Converts a String to an object and vice versa
19: * @author Phil Zoio
20: */
21: public class StringConverter implements Converter<String, Object> {
22:
23: public StringConverter() {
24: super ();
25: }
26:
27: public void setTargetClass(Class clazz) {
28: if (!clazz.equals(String.class)) {
29: throw new IllegalArgumentException(
30: "Null converter only convert the trivial case of Strings to Strings");
31: }
32: }
33:
34: public Object toTargetType(String toConvert) {
35: if (toConvert == null)
36: return null;
37: return toConvert;
38: }
39:
40: public String toSourceType(Object toConvert) {
41: if (toConvert == null)
42: return null;
43: return toConvert.toString();
44: }
45:
46: }
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