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public static String compress(String s) throws IOException{ 
        ByteArrayInputStream input = new ByteArrayInputStream(s.getBytes("UTF-8"));  
        ByteArrayOutputStream output = new ByteArrayOutputStream(1024); 
        GZIPOutputStream gzout = new GZIPOutputStream(output);  
 
        byte[] buf=new byte[1024]; 
        int number;  
 
         
        while ((number = input.read(buf)) != -1){  
            gzout.write(buf,0,number);  
        } 
         
        gzout.close();  
        input.close(); 
         
        String result =new BASE64Encoder().encode(output.toByteArray()); 
         
        output.close(); 
         
        return result; 
    } 
     
    public static String decompress(String data) throws IOException{ 
        ByteArrayOutputStream output = new ByteArrayOutputStream(1024); 
        ByteArrayInputStream input = new ByteArrayInputStream(new BASE64Decoder().decodeBuffer(data));  
        GZIPInputStream gzinpt = new GZIPInputStream(input); 
        byte[] buf = new byte[1024]; 
        int number = 0; 
         
        while((number = gzinpt.read(buf)) != -1){ 
            output.write(buf,0,number); 
        } 
          
        gzinpt.close(); 
        input.close(); 
         
        String result = new String(output.toString("UTF-8")); 
         
        output.close(); 
         
        return result;  
         
    }