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Java > Open Source Codes > com > go > teaservlet > FunctionInfo


1 /* ====================================================================
2  * TeaServlet - Copyright (c) 1999-2000 Walt Disney Internet Group
3  * ====================================================================
4  * The Tea Software License, Version 1.1
5  *
6  * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Walt Disney Internet Group (http://opensource.go.com/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact opensource@dig.com.
31  *
32  * 5. Products derived from this software may not be called "Tea",
33  * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
34  * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
35  * written permission of the Walt Disney Internet Group.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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41  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
42  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
43  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
44  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
45  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
46  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
47  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  * For more information about Tea, please see http://opensource.go.com/.
51  */

52
53 package com.go.teaservlet;
54
55 import java.lang.reflect.Method JavaDoc;
56 import java.beans.*;
57 import com.go.teaservlet.util.NameValuePair;
58
59 /******************************************************************************
60  *
61  * @author Brian S O'Neill
62  * @version
63  * <!--$$Revision:--> 9 <!-- $-->, <!--$$JustDate:--> 01/02/20 <!-- $-->
64  */

65 public class FunctionInfo extends NameValuePair {
66     private ApplicationInfo mApp;
67     
68     public FunctionInfo(MethodDescriptor method, ApplicationInfo provider) {
69         super(method.getName(), method);
70         mApp = provider;
71     }
72
73     public MethodDescriptor getDescriptor() {
74         return (MethodDescriptor)getValue();
75     }
76
77     public ApplicationInfo getProvider() {
78         return mApp;
79     }
80
81     public int compareTo(Object JavaDoc other) {
82         String JavaDoc thisName = getName();
83         String JavaDoc otherName = ((FunctionInfo)other).getName();
84
85         if (thisName == null) {
86             return otherName == null ? 0 : 1;
87         }
88
89         if (otherName == null) {
90             return -1;
91         }
92
93         String JavaDoc thisPrefix, otherPrefix;
94         int index = thisName.indexOf('$');
95         if (index <= 0) {
96             thisPrefix = "";
97         }
98         else {
99             thisPrefix = thisName.substring(0, index);
100             thisName = thisName.substring(index + 1);
101         }
102
103         index = otherName.indexOf('$');
104         if (index <= 0) {
105             otherPrefix = "";
106         }
107         else {
108             otherPrefix = otherName.substring(0, index);
109             otherName = otherName.substring(index + 1);
110         }
111
112         // Primary compare: name.
113
int compare = thisName.compareToIgnoreCase(otherName);
114         if (compare != 0) {
115             return compare;
116         }
117
118         // Secondary compare: prefix.
119
compare = thisPrefix.compareToIgnoreCase(otherPrefix);
120         if (compare != 0) {
121             return compare;
122         }
123
124         // Third order compare: parameter count.
125
Class JavaDoc[] thisParams = getDescriptor().getMethod().getParameterTypes();
126         Class JavaDoc[] otherParams =
127             ((FunctionInfo)other).getDescriptor().getMethod().getParameterTypes();
128         
129         if (thisParams.length < otherParams.length) {
130             return -1;
131         }
132         else if (thisParams.length > otherParams.length) {
133             return 1;
134         }
135
136         return 0;
137     }
138 }
139
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