01: /*
02: * Copyright 2005 Joe Walker
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.directwebremoting.convert;
17:
18: import org.directwebremoting.extend.Converter;
19: import org.directwebremoting.extend.InboundContext;
20: import org.directwebremoting.extend.InboundVariable;
21: import org.directwebremoting.extend.MarshallException;
22: import org.directwebremoting.extend.NonNestedOutboundVariable;
23: import org.directwebremoting.extend.OutboundContext;
24: import org.directwebremoting.extend.OutboundVariable;
25: import org.directwebremoting.util.JavascriptUtil;
26: import org.directwebremoting.util.LocalUtil;
27: import org.directwebremoting.util.Messages;
28:
29: /**
30: * Converter for all primitive types
31: * @author Joe Walker [joe at getahead dot ltd dot uk]
32: */
33: public class PrimitiveConverter extends BaseV20Converter implements
34: Converter {
35: /* (non-Javadoc)
36: * @see org.directwebremoting.Converter#convertInbound(java.lang.Class, org.directwebremoting.InboundVariable, org.directwebremoting.InboundContext)
37: */
38: public Object convertInbound(Class<?> paramType,
39: InboundVariable data, InboundContext inctx)
40: throws MarshallException {
41: String value = data.getValue().trim();
42:
43: try {
44: return LocalUtil.simpleConvert(value, paramType);
45: } catch (NumberFormatException ex) {
46: throw new MarshallException(paramType, Messages.getString(
47: "PrimitiveConverter.FormatError", value));
48: } catch (IllegalArgumentException ex) {
49: throw new MarshallException(paramType);
50: }
51: }
52:
53: /* (non-Javadoc)
54: * @see org.directwebremoting.Converter#convertOutbound(java.lang.Object, org.directwebremoting.OutboundContext)
55: */
56: public OutboundVariable convertOutbound(Object data,
57: OutboundContext outctx) {
58: Class<?> paramType = data.getClass();
59:
60: if (data.equals(Boolean.TRUE)) {
61: return new NonNestedOutboundVariable("true");
62: } else if (data.equals(Boolean.FALSE)) {
63: return new NonNestedOutboundVariable("false");
64: } else if (paramType == Character.class) {
65: // Treat characters as strings
66: return new NonNestedOutboundVariable('\"' + JavascriptUtil
67: .escapeJavaScript(data.toString()) + '\"');
68: } else {
69: // We just use the default toString for all numbers
70: return new NonNestedOutboundVariable(data.toString());
71: }
72: }
73: }
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