01: package org.ofbiz.rules.utensil;
02:
03: import java.io.*;
04:
05: /**
06: * <p><b>Title:</b> File String
07: * <p><b>Description:</b> None
08: * <p>Copyright (c) 1999 Steven J. Metsker.
09: * <p>Copyright (c) 2001 The Open For Business Project - www.ofbiz.org
10: *
11: * <p>Permission is hereby granted, free of charge, to any person obtaining a
12: * copy of this software and associated documentation files (the "Software"),
13: * to deal in the Software without restriction, including without limitation
14: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15: * and/or sell copies of the Software, and to permit persons to whom the
16: * Software is furnished to do so, subject to the following conditions:
17: *
18: * <p>The above copyright notice and this permission notice shall be included
19: * in all copies or substantial portions of the Software.
20: *
21: * <p>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22: * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24: * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
25: * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
26: * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
27: * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28: *
29: * <br>
30: * <p>This class has a static method that returns a file's characters
31: * as a single String.
32: *
33: * @author Steven J. Metsker
34: * @version 1.0
35: */
36: public class FileString {
37:
38: /**
39: * Returns a string that represents the contents of a file.
40: *
41: * @param fileName the name of the file to read
42: * @return string the contents of a file as a String
43: * @exception IOException if the file is not found, or if there is
44: * any problem reading the file
45: */
46: public static String stringFromFileNamed(String fileName)
47: throws java.io.IOException {
48:
49: final int BUFLEN = 1024;
50: char buf[] = new char[BUFLEN];
51:
52: FileReader in = new FileReader(fileName);
53: StringWriter out = new StringWriter();
54:
55: try {
56: while (true) {
57: int len = in.read(buf, 0, BUFLEN);
58:
59: if (len == -1) {
60: break;
61: }
62: out.write(buf, 0, len);
63: }
64: } finally {
65: out.close();
66: in.close();
67: }
68: return out.toString();
69: }
70: }
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