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Rev Author Line No. Line
221 ira 1 
 
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public class IPAddr
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{
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    private int[] fields = new int[4];
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    public IPAddr (String ip)
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    {
222 ira 8 
        int i;
221 ira 9 
        String[] sp = ip.split("\\.");
222 ira 10 
 
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        for (i=0; i<sp.length; i++)
221 ira 12 
            fields[i] = Integer.parseInt(sp[i]);
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    }
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    public int getField (int fieldNum)
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    {
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        return fields[fieldNum];
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    }
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    public int compareTo (IPAddr ip)
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    {
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        int i;
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        for (i=0; i<4; i++)
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            if (fields[i] < ip.getField(i))
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                return -1;
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            else if (fields[i] > ip.getField(i))
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                return 1;
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        return 0; // Equal
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    }
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    public int compareTo (String ip)
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    {
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        IPAddr that = new IPAddr (ip);
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        return this.compareTo(that);
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    }
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    public String toString ()
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    {
222 ira 42 
        String s = new String("" + fields[0] + '.' + fields[1] + '.'
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                            + fields[2] + '.' + fields[3]);
221 ira 44 
        return s;
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    }
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}
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