Mega Code Archive
Minimal InputStream subclass to fetch bytes form a String
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/* Copyright (c) 2001-2009, The HSQL Development Group
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import java.io.IOException;
import java.io.InputStream;
/**
* minimal InputStream subclass to fetch bytes form a String
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 1.7.0
*/
public class StringInputStream extends InputStream {
protected int strOffset = 0;
protected int charOffset = 0;
protected int available;
protected String str;
public StringInputStream(String s) {
str = s;
available = s.length() * 2;
}
public int read() throws java.io.IOException {
if (available == 0) {
return -1;
}
available--;
char c = str.charAt(strOffset);
if (charOffset == 0) {
charOffset = 1;
return (c & 0x0000ff00) >> 8;
} else {
charOffset = 0;
strOffset++;
return c & 0x000000ff;
}
}
public int available() throws IOException {
return available;
}
}
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