01: /* ===========================================================
02: * JFreeChart : a free chart library for the Java(tm) platform
03: * ===========================================================
04: *
05: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jfreechart/index.html
08: *
09: * This library is free software; you can redistribute it and/or modify it
10: * under the terms of the GNU Lesser General Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but
15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: * License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22: * USA.
23: *
24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25: * in the United States and other countries.]
26: *
27: * -----------------
28: * URLUtilities.java
29: * -----------------
30: * (C) Copyright 2007, by Object Refinery Limited.
31: *
32: * Original Author: David Gilbert (for Object Refinery Limited);
33: * Contributors: -;
34: *
35: * $Id: URLUtilities.java,v 1.1.2.1 2007/04/17 16:05:27 mungady Exp $
36: *
37: * Changes:
38: * --------
39: * 17-Apr-2007 : Version 1 (DG);
40: *
41: */
42:
43: package org.jfree.chart.urls;
44:
45: import java.lang.reflect.InvocationTargetException;
46: import java.lang.reflect.Method;
47: import java.net.URLEncoder;
48:
49: /**
50: * General utility methods for URLs.
51: *
52: * @since 1.0.6
53: */
54: public class URLUtilities {
55:
56: /** Constant used by {@link #encode(String, String)}. */
57: private static final Class[] STRING_ARGS_2 = new Class[] {
58: String.class, String.class };
59:
60: /**
61: * Calls <code>java.net.URLEncoder.encode(String, String)</code> via
62: * reflection, if we are running on JRE 1.4 or later, otherwise reverts to
63: * the deprecated <code>URLEncoder.encode(String)</code> method.
64: *
65: * @param s the string to encode.
66: * @param encoding the encoding.
67: *
68: * @return The encoded string.
69: *
70: * @since 1.0.6
71: */
72: public static String encode(String s, String encoding) {
73: Class c = URLEncoder.class;
74: String result = null;
75: try {
76: Method m = c.getDeclaredMethod("encode", STRING_ARGS_2);
77: try {
78: result = (String) m.invoke(null, new Object[] { s,
79: encoding });
80: } catch (InvocationTargetException e) {
81: e.printStackTrace();
82: } catch (IllegalAccessException e) {
83: e.printStackTrace();
84: }
85: } catch (NoSuchMethodException e) {
86: // we're running on JRE 1.3.1 so this is the best we have...
87: result = URLEncoder.encode(s);
88: }
89: return result;
90: }
91:
92: }
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