01: /*
02: * Email.java
03: *
04: * Copyright (C) 2007 Ferran Busquets
05: *
06: * This program is free software: you can redistribute it and/or modify
07: * it under the terms of the GNU General Public License as published by
08: * the Free Software Foundation, either version 3 of the License, or
09: * any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program. If not, see <http://www.gnu.org/licenses/>.
18: *
19: */
20: package org.naturalcli.parameters;
21:
22: import java.io.File;
23:
24: import org.naturalcli.IParameterType;
25:
26: /**
27: * The class implements a parameter type with an existing a file name.
28: *
29: * @author Ferran Busquets
30: *
31: */
32: public class FileParamType implements IParameterType {
33:
34: /* (non-Javadoc)
35: * @see org.naturalcli.paramtypes.IParameterType#getParameterTypeName()
36: */
37: @Override
38: public String getParameterTypeName() {
39: return "file";
40: }
41:
42: /* (non-Javadoc)
43: * @see org.naturalcli.paramtypes.IParameterType#validateParameter(java.lang.String)
44: */
45: @Override
46: public boolean validateParameter(String value) {
47: return new File(value).exists();
48: }
49:
50: /* (non-Javadoc)
51: * @see org.naturalcli.paramtypes.IParameterType#validationMessage(java.lang.String)
52: */
53: @Override
54: public String validationMessage(String value) {
55: return this .validateParameter(value) ? null
56: : "File does not exists.";
57: }
58:
59: /* (non-Javadoc)
60: * @see org.naturalcli.paramtypes.IParameterType#convertParameterValue(java.lang.String)
61: */
62: @Override
63: public Object convertParameterValue(String strRepresentation) {
64: return new File(strRepresentation);
65: }
66: }
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