GetMyMessages sample using eBay JAVA SDK

/*
© 2007-2013 eBay Inc., All Rights Reserved
Licensed under CDDL 1.0 - http://opensource.org/licenses/cddl1.php
*/

/*
 * AppGetMyMessage.java
 */

package ebay.dts;
import com.ebay.soap.eBLBaseComponents.*;
import com.ebay.sdk.*;
import com.ebay.sdk.call.*;

/** 
 */
public class AppGetMyMessage {
    private String configFile= "request_header_param.properties";
    private ApiContext apiContext;
    private boolean _isCore =true;
    private ApiCall _apiCall;

    /** Creates a new instance of AppGetMyMessage */
    public AppGetMyMessage() {
        RequestHeaderParam requestHeaderParam = new  RequestHeaderParam();
        apiContext = requestHeaderParam.createContext(configFile);
        apiContext.setErrorLanguage("en_US");
        //Enable logging
        ApiLogging logging = new ApiLogging();
        apiContext.setApiLogging(logging);
    }

    public static void main(String [] args){
        AppGetMyMessage agmm = new AppGetMyMessage();
        GetMyMessagesCall apiCall = new GetMyMessagesCall(agmm.apiContext);
        DetailLevelCodeType[] detailLevels = new DetailLevelCodeType[] {

       // Using DetailLevel.ReturnHeaders filter 
       // to get a complete list alert and message headers with their corresponding alert ID and message ID values.
            DetailLevelCodeType.ReturnHeaders,
        };
        apiCall.setDetailLevel(detailLevels);
        try{
            apiCall.getMyMessages();
           
            MyMessagesMessageType[] msgs= apiCall.getReturnedMyMessages();

            // If there are Messages
            if (msgs !=null){
                int page=1, totalPages=0;
                //  retrieve ten messages at a time ( a page)
                if (msgs.length%10 !=0 ){
                    totalPages = msgs.length/10 + 1;                 
                }else {
                    totalPages= msgs.length;
                } 
                  // make second GetMyMessages call    
                  agmm .retrieveMessages(apiCall,page,totalPages,msgs);
            }
           
        }catch (Exception e) {
            if ( e instanceof SdkSoapException ) {
                SdkSoapException sdkSoapExe = (SdkSoapException)e;
                ErrorType error = sdkSoapExe.getErrorType();
                System.out.println("error code: " +error.getErrorCode()+ ", error shot message :"
                        + error.getShortMessage());
            }
            if (e instanceof ApiException ){
                ApiException apiExe = (ApiException)e;
                ErrorType[] errs = apiExe.getErrors();
                for (int i=0; i<errs.length; i++){
                    ErrorType error = errs[i];
                    System.out.println("error code " +error.getErrorCode()+ "error shot message"
                            + error.getShortMessage());
                }
            }
        }
       
    }
   
   
    public void retrieveMessages(GetMyMessagesCall api, int page,int totalPages,MyMessagesMessageType[] msgs){
        MyMessagesMessageIDType[] msgIds =null;
        int  start =0, end =0;
       
        start = (page-1)*10;
        if (totalPages ==1 || page==totalPages) {
            end = msgs.length;
        } else end = (page*10) ;
        msgIds = new MyMessagesMessageIDType[end-start];
       
        for (int i=start; i<end; i++){
            if ( msgs[i] !=null){
                    for ( int j=0; j<(end-start); j++){
                    msgIds[j] =  msgs[i].getMessageID();        
                }
            }
        }
        DetailLevelCodeType[] detail = new DetailLevelCodeType[] {
            // retrieve specific ten alerts and ten specific messages at a time 
            //with DetailLevel.ReturnMessages
            DetailLevelCodeType.ReturnMessages,
        }; 
        api.setDetailLevel(detail);
        api.setMessageIDs(msgIds);
        try{
            api.getMyMessages();

            // make another GetMyMessage call when there are more than ten messages
            if (page<totalPages){
                retrieveMessages(api, ++page,totalPages,msgs);
            }
        }catch (Exception e) { }
    }
   
}