Common


1   package SnowMailClient.Language;
2   
3   import java.util.*;
4   import java.util.zip.*;
5   import java.io.*;
6   import javax.swing.table.*;
7   
8   import snow.utils.storage.*;
9   
10  public final class Common
11  {
12  
13     private Common()
14     {
15     }
16  
17     /** @return the number of spaces at the begining of the string
18       this is used to avoid translating "hello" and " hello "
19     */
20     public static int getNumberOfSpacesAtBegining(String   s)
21     {
22        for(int i=0; i<s.length(); i++)
23        {
24          if(s.charAt(i)!=' ') return i;
25        }
26        return s.length();
27     }
28  
29     /** @return the number of spaces at the end of the string
30     */
31     public static int getNumberOfSpacesAtEnd(String   s)
32     {
33        for(int i=0; i<s.length(); i++)
34        {
35          if(s.charAt(s.length()-i-1)!=' ') return i;
36        }
37        return s.length();
38     }
39  
40    /** @return 0 if no arguments are detected in the sentence (%)
41         1 if one % is present
42         2 if %1 and %2 are present
43    */
44     public static int getNumberOfParametersInSentence(String   sentence) throws Exception  
45     {
46       if(sentence.indexOf("%2")!=-1)
47       {
48          if(sentence.indexOf("%1")==-1)
49          {
50            throw new Exception  ("Sentence has only argument %2, %1 is missing ?");
51          }
52          return 2;
53       }
54       if(sentence.indexOf("%1")!=-1)
55       {
56          if(sentence.indexOf("%2")==-1)
57          {
58            throw new Exception  ("Sentence has only argument %1, %2 is missing ?");
59          }
60          return 2;
61       }
62  
63       if(sentence.indexOf("%")!=-1)
64       {
65         return 1;
66       }
67  
68       return 0;
69     }
70  
71     /**  Language/hello.java =>  Language.hello
72     */
73     public static String   convertPathToJavaClassPathSyntax(String   _path)
74     {
75       String   path = _path;
76       // 1) supperss .java
77       if(path.endsWith(".java")) path = path.substring(0, path.length()-5);
78  
79       // 2) convert \ to .
80       int pos = -1;
81       while((pos=path.indexOf("\\"))!=-1)
82       {
83         path = path.substring(0,pos)+"."+path.substring(pos+1);
84       }
85  
86       return path;
87     }
88  
89  
90  
91  
92  
93  } // Common
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