AsciiStringInputStream


1   // Copyright (c) 2003-2007, Jodd Team (jodd.sf.net). All Rights Reserved.
2   
3   package jodd.io;
4   
5   import java.io.IOException  ;
6   import java.io.InputStream  ;
7   import java.io.Serializable  ;
8   
9   /**
10   * Simple InputStream subclass to fetch low order bytes from a String.
11   * @see StringInputStream
12   */
13  public class AsciiStringInputStream extends InputStream   implements Serializable   {
14  
15      protected int strOffset = 0;
16      protected int available;
17      protected String   str;
18  
19      public AsciiStringInputStream(String   s) {
20          str = s;
21          available = s.length();
22      }
23      
24      public int read() throws IOException   {
25          if (available == 0) {
26              return -1;
27          }
28          available--;
29          char c = str.charAt(strOffset);
30          strOffset++;
31          return c;
32      }
33  
34      public int available() throws IOException   {
35          return available;
36      }
37  }
38

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