csengineerimpl.java

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import java.net.*;
import java.util.*;
import java.io.*;
import hp.chaiserver.*;
import java.sql.*;

public class CSEngineerImpl implements ICSEngineer, IChaiServer {

	public void initWorkerArgs(String name, IDaemon daemon, ArgVector args) {
		System.out.println("What is sysLogComand\t" + Utils.getSysLogCmd() + "\n");
	}

    // CSEngineerRetrieve is an implementation of the method defined in ICSEngineer
    public void CSEngineerRetrieve(String retFormat, ArgVector args, Environment env) {
        // The next two lines obtain utility objects from the environment
        // retStat is used to return status information
        // html is used to stream HTML data back to client
        HTMLStatus retStat = env.getErrResponder();
        HTMLHelper html = (HTMLHelper) env.getHTMLHelper();

		// The following lines extract an argument from the ArgVector
		// The CSEngineerString argument contains the String entered into the
		// form.
		// If CSEngineerString is null then an error is sent to the client
		String cseid = args.getArg("CSEID");
		String dd = args.getArg("DD");
		String mm = args.getArg("MM");
		String yyyy = args.getArg("YYYY");


		if(cseid == null) {
				//retStat.send400("Not enough arguments");
				retStat.sendError(400, "Not enough arguments");
				return;
		}

		// The following lines check the return format specified by
		// client. This implementation supports HTML and Text.
		// An error is sent to the client if return format is not supported
           try {
		if(retFormat.equalsIgnoreCase("html")) {
			// startHTMLDoc sends the Header information to the client
            html.startHTMLDoc();
            // send a <HR> Tag
            html.startTag("HR");
            // send a <CENTER> Tag
            html.startTag("CENTER");
            // send contents of CSEngineerString formated as H1 in a paragraph
            //html.appendSimpleHTMLPara(CSEngineerString, "H1");
            // send a </CENTER> Tag
            html.endTag("CENTER");
   			try{
		       Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
		       java.sql.Connection conn = DriverManager.getConnection("jdbc:odbc:test2000");
		       Statement st = conn.createStatement();
		       String name=null;
		      try{
		       ResultSet rs1= st.executeQuery("select name from csed where cseid like '"+cseid+"'");
		       while(rs1.next())
		       {
				   name = rs1.getString(1);
			   }
			   rs1.close();
		      }catch(Exception e)
		      { html.appendSimpleHTMLPara(" No CS Engineer found with ID "+cseid, "H3");  }
			   html.startTag("CENTER");
			   html.appendSimpleHTMLPara(name+"'s Schedule on "+dd+"/"+mm+"/"+yyyy, "H2");
			   html.endTag("CENTER");
		       ResultSet rs = st.executeQuery("select adatetime,cname,address,support from csett,csd where csett.tno = csd.tno and datepart(dd,adatetime)= '"+dd+"' and datepart(mm,adatetime)= '"+mm+"' and datepart(yyyy,adatetime)= '"+yyyy+"' and csett.cseid like '"+cseid+"'");
		       while(rs.next())
		       {
				  String str1 = rs.getString(1);
				  String str2 = rs.getString(2);
				  String str3 = rs.getString(3);
				  String str4 = rs.getString(4);
				  html.appendSimpleHTMLPara(" "+str1.substring(11)+" "+str2+" "+str3+" "+str4, "H3");
		          System.out.print(str1.substring(11));
		          System.out.print(str2);
		          System.out.print(str3);
		          System.out.println(str4);
		        }
		       rs.close();
		       st.close();
		       conn.close();
			}catch(Exception e) {
				html.appendSimpleHTMLPara(" No CS Engineer found with ID "+cseid, "H3");
			}

            // send a <HR> Tag
            html.startTag("HR");
            // send a sequence of tags to create a link to
            // this server's homepage
            html.sendHomeLink();
            // send the end of document tags
            html.endHTMLDoc();
		} else if(retFormat.equalsIgnoreCase("txt")) {
            // send the MIME header for a text document and
            // append the contents of CSEngineerString to the document
            html.sendText(cseid);
		} else {
            //retStat.send400("Return type " + retFormat + " not supported");
                 retStat.sendError(400, "Return type" + retFormat + "not supported");
		}
            }catch(IOException IO){}
	}

     // homePage is an implementation of a method declared in hp.chaiserver.IChaiServer
     public void homePage(OutputStream out, Environment env){
        // get HTMLHelper object from Environment. Used for streaming HTML
        HTMLHelper html = (HTMLHelper) env.getHTMLHelper();
		//System.out.println("What is sysLogComand\t" + Utils.getSysLogCmd() + "\n");
      try {
        // send HTML document header
        html.startHTMLDoc();
        // send <CENTER> Tag
        html.startTag("CENTER");
        // send Heading String
        //html.appendSimpleHTMLPara("CSEngineer Object", "H1");
        html.appendSimpleHTMLPara("CSEngineer ChaiService", "H1");
        // send </CENTER> Tag
        html.endTag("CENTER");
        // send <HR> Tag
        html.startTag("HR");
        // send Tag sequence to start a form
        html.startForm("GET", "/this.csengineer");
        // send <P> Tag
        html.startNewHTMLParagraph();
        // add Hidden field called CSEngineerRetrieve
        // Note this represents the Method name to be
        // called when the form is submitted. See the
        // CSEngineerRetrieve method above.
        html.addHiddenField("CSEngineerRetrieve", "html"); // Method and return type
        // add a Text field called CSEID
        // Note this represents the argument CSEID
        // accessed in the CSEngineerRetrieve method above.
        html.appendSimpleHTMLPara("CSE ID: ", "H3");
        html.addTextField("CSEID", 30, null);
        html.startNewHTMLParagraph();
        html.appendSimpleHTMLPara("Date: ", "H3");
        html.addTextField("DD", 2, "DD");
        html.addTextField("MM", 2, "MM");
        html.addTextField("YYYY", 4, "YYYY");

        // send <P> Tag
        html.startNewHTMLParagraph();
        // add a Submit button and reset button
        html.addSubmitButton("Submit");
        html.addResetButton();
        // send the </FORM> tag
        html.endForm();
        // send <HR> Tag
        html.startTag("HR");
        // send a sequence of Tags for a link to
        // the home page of the local server

		html.sendHomeLink(); // send end of document Tags
		html.endHTMLDoc();
        }catch (IOException io){}
      }

	// Export is an implementation of a method declared in hp.chaiserver.IChaiServer
	public void exportMethods(OutputStream out, String str, Environment env) {
		// get HTMLHelper object from Environment. Used for streaming HTML
		HTMLHelper html = (HTMLHelper) env.getHTMLHelper();
		if(str.equalsIgnoreCase("html")) {
                  try {
			// send HTML document header
			html.startHTMLDoc();
			// send <CENTER> Tag
			html.startTag("CENTER");
			// send Heading String
			html.appendSimpleHTMLPara("CSEngineer ChaiService", "H1");
			// send </CENTER> Tag
			html.endTag("CENTER");
			// send <HR> Tag
			html.startTag("HR");
			html.appendSimpleHTMLPara("Method support: CSEngineerRetrieve", "H3");
			html.appendSimpleHTMLPara("Argument: CSEngineerString", "H3");
			html.sendHomeLink(); // send end of document Tags
			html.endHTMLDoc();
                     }catch(IOException io) {}
		} else if(str.equalsIgnoreCase("txt")) {
                      try {
			html.sendText("Method: CSEngineerRetrieve\nArgument: CSEngineerString");
                      } catch(IOException io) {}
		} else {
			HTMLStatus retStat = env.getErrResponder();
			retStat.sendError(400);
		}
     }
}