1 ////////////////////////////////////////////////////////////////////////////////
2 // MillScript: an Open Spice interpreter and batch website creation tool
3 // Copyright (C) 2001-2004 Open World Ltd
4 //
5 // This file is part of MillScript.
6 //
7 // MillScript is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 2 of the License, or (at your option)
10 // any later version.
11 //
12 // MillScript is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 // more details.
16 //
17 // You should have received a copy of the GNU General Public License along with
18 // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
19 // Place, Suite 330, Boston, MA 02111-1307 USA
20 ////////////////////////////////////////////////////////////////////////////////
21 package org.millscript.millscript.loaders;
22
23 import org.millscript.commons.vfs.VFile;
24 import org.millscript.millscript.alert.Alerts;
25
26 import java.io.IOException;
27 import java.util.Properties;
28
29 /**
30 * This class implements the MillScript properties loader. The specified file
31 * is loaded as a Java properties file, the resulting Map is bound to the
32 * symbol registered with this loader.
33 */
34 public final class PropertiesLoader extends ValueLoader {
35
36 /**
37 * @see org.millscript.millscript.loaders.Loader#loadValue()
38 */
39 @Override
40 public Object loadValue() throws IOException {
41 if ( this.entry instanceof VFile && this.entry.exists() ) {
42 Properties p = new Properties();
43 p.load( ((VFile) entry).getInputStream() );
44 return p;
45 } else {
46 throw(
47 Alerts.compile(
48 "Inventory entry is not a file",
49 "Properties loader can only be used to load files"
50 ).culprit( "entry", this.entry ).mishap()
51 );
52 }
53 }
54
55 }