HMFilter


1   package filter.hmimpl;
2   
3   import java.util.ArrayList  ;
4   import java.util.List  ;
5   import filter.IFilter;
6   
7   public class HMFilter implements IFilter {
8       
9       public String  [] filter(String  [] values, String   prefix) {
10          if(values == null) {
11              return null;
12          }
13          if(prefix == null) {
14              return values;
15          }
16          List   result = new ArrayList  ();
17          for (int i = 0; i < values.length; i++) {
18              String   string = values[i];
19              if(string != null && string.startsWith(prefix)) {
20                  result.add(string);
21              }
22          }
23          return (String  []) result.toArray(new String  [result.size()]);
24      }
25  }
26

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