/* Rajarshi Guha <rajarshi@presidency.com>
 * 10/03/2005
 *
 *
 * Updated 01/03/2006 - Synced with latest CDK. Added usage message
 *
 * Based on code written by Marty Hall
 */

import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;
import org.apache.axis.AxisFault;
import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;


public class CDKsimaClient 
{
    private Call call;
    private QName qn;
    private boolean requestError; 
    private String requestErrorMessage; 

    // Initialize the Axis setup
    public CDKsimaClient(String host) {
        String endpoint = "http://localhost:8080/axis/services/CDKsima";
	if (host != null) {
	    endpoint = host;
	}
        try {
            Service  service = new Service();
            call = (Call) service.createCall();
            call.setTargetEndpointAddress( new java.net.URL(endpoint) );
        } catch (Throwable t) {
            handleError("CDKsimaClient (constructor) had an Exception.",t);
        }
    }
  	
    // Return true in an error was found 
    public boolean error() {
        return requestError;
    }  

    // Return the error message 
    public String getErrorText() {
        String msg;
        if (requestError) {
            msg = requestErrorMessage;
        } else {
            msg = "";
        }  
        return msg;
    }

    public double getSim(String[] mols, int l, int d) {
        try {
            call.removeAllParameters();
            call.setOperationName( "getSim" );
            call.addParameter( "mols", XMLType.SOAP_ARRAY, ParameterMode.IN);
            call.addParameter( "length", XMLType.XSD_INTEGER, ParameterMode.IN);
            call.addParameter( "depth",  XMLType.XSD_INTEGER, ParameterMode.IN);
            call.setReturnType( XMLType.SOAP_ARRAY );

            Object[] ret = (Object[]) call.invoke( new Object[] { mols, new Integer(l), new Integer(d) });
            if (ret == null) {
                System.out.println("Error in SOAP call");
            }
            System.out.println("CDKsimaClient got result : ");

            int nmol = mols.length;
            for (int i = 0; i < nmol; i++) {
		String s = "";
		for (int j = 0; j < nmol; j++) {
		    s = s + ((Double)ret[i*nmol+j]).doubleValue()+" ";
		}
		System.out.println(s);
            }
            return 0.0;
        } catch (Throwable t) {
            handleError("CDKsimaClient (getSim) had an Exception.",t);
            return (-1.0);
        }
    }
 

    // Set error flags, print stack trace
    public void handleError(String text, Throwable t) { 
        requestError = true;
        requestErrorMessage = t.toString();
        System.out.println(text);
        System.out.println(t);
        t.printStackTrace();
        return;
    }  

    // Test program
    public static void main(String [] args) {
	String host = null;
	if (args.length == 1) {
	    host = args[0];
	}
	System.out.println("Will calculate the similarity matrix for the following");
	System.out.println("molecules: \"CCC\", \"CCCC\", \"CCC\", \"CCOC\"\n\nIf the program does not run you can specify an alternate\nhost on the command line\n");
	String[] mols = { "CCC", "CCCC", "CCC", "CCOC" };
        CDKsimaClient sr = new CDKsimaClient(host);
        sr.getSim(mols, 1024, 6);

	System.out.println("\n\nWill calculate the similarity matrix for the following");
	System.out.println("molecules: \"CCCC\", \"CCOCC\", \"CCCC\", \nIf the program does not run you can specify an alternate\nhost on the command line\n");
	mols = new String[] { "CCCC", "CCOCC", "CCCC" };
        sr = new CDKsimaClient(host);
        sr.getSim(mols, 1024, 6);


    }
}