01: /*
02: * Beryl - A web platform based on XML, XSLT and Java
03: * This file is part of the Beryl XML GUI
04: *
05: * Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11:
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107 USA
20: */
21:
22: package org.beryl.gui.validators;
23:
24: import java.io.File;
25:
26: import org.beryl.gui.InternationalizationManager;
27: import org.beryl.gui.View;
28: import org.beryl.gui.widgets.FileField;
29:
30: /**
31: * Validates that a file is set
32: */
33: public class FileValidator implements Validator {
34: public void validate(View view) throws ValidationException {
35: FileField field = (FileField) view;
36: File file = field.getFile();
37:
38: if (file == null)
39: throw new ValidationException(view,
40: InternationalizationManager
41: .getString("xmlgui.validator.file.notset"));
42: if (!file.exists())
43: throw new ValidationException(
44: view,
45: InternationalizationManager
46: .getString("xmlgui.validator.file.existsnot"));
47: if (!file.isFile())
48: throw new ValidationException(
49: view,
50: InternationalizationManager
51: .getString("xmlgui.validator.file.notafile"));
52: if (!file.canRead())
53: throw new ValidationException(
54: view,
55: InternationalizationManager
56: .getString("xmlgui.validator.file.cantread"));
57: }
58: }
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