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package no.geosoft.cc.util; |
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import java.util.ArrayList; |
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public class SmartTokenizer |
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{ |
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private ArrayList <String>tokens_; |
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private int current_; |
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public SmartTokenizer (String string, String delimiter) |
39 | 0 | { |
40 | 0 | tokens_ = new ArrayList <String> (); |
41 | 0 | current_ = 0; |
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43 | 0 | java.util.StringTokenizer tokenizer = |
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new java.util.StringTokenizer (string, delimiter, true); |
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46 | 0 | boolean wasDelimiter = true; |
47 | 0 | boolean isDelimiter = false; |
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49 | 0 | while (tokenizer.hasMoreTokens()) { |
50 | 0 | String token = tokenizer.nextToken(); |
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52 | 0 | isDelimiter = token.equals (delimiter); |
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54 | 0 | if (wasDelimiter) |
55 | 0 | tokens_.add (isDelimiter ? "" : token); |
56 | 0 | else if (!isDelimiter) |
57 | 0 | tokens_.add (token); |
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59 | 0 | wasDelimiter = isDelimiter; |
60 | 0 | } |
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62 | 0 | if (isDelimiter) tokens_.add (""); |
63 | 0 | } |
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public int countTokens() |
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{ |
68 | 0 | return tokens_.size(); |
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} |
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public boolean hasMoreTokens() |
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{ |
74 | 0 | return current_ < tokens_.size(); |
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} |
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public boolean hasMoreElements() |
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{ |
80 | 0 | return hasMoreTokens(); |
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} |
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public Object nextElement() |
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{ |
86 | 0 | return nextToken(); |
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} |
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public String nextToken() |
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{ |
92 | 0 | String token = (String) tokens_.get (current_); |
93 | 0 | current_++; |
94 | 0 | return token; |
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} |
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public static void main (String args[]) |
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{ |
106 | 0 | SmartTokenizer t = new SmartTokenizer ("This,is,a,,test,", ","); |
107 | 0 | while (t.hasMoreTokens()) { |
108 | 0 | String token = t.nextToken(); |
109 | 0 | System.out.println ("#" + token + "#"); |
110 | 0 | } |
111 | 0 | } |
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} |