Here's what you will need in your project:
Files under Web App Libraries:
jackson-annotations-2.4.0.jar
jackson-core--2.4.2.jar
jackson-databind-2.4.2.jar
File under \WebContent\js:
jquery-1.11.1.min.js
In your web.xml
<servlet> <description> </description> <display-name>IncentiveClaimAjaxServlet</display-name> <servlet-name>IncentiveClaimAjaxServlet</servlet-name> <servlet-class>com.web.servlet.IncentiveClaimAjaxServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>IncentiveClaimAjaxServlet</servlet-name> <url-pattern>/IncentiveClaimAjaxServlet</url-pattern> </servlet-mapping>
In external javascript (IncentiveClearinghouse.js):
function submitComment(incentiveClaim, btnElement) {
var newComment = $("#comment-input").val();
$("#comment-input").val(""); //clear the comment textarea
$("#dialog-form").dialog( "close" ); //close the dialog
incentiveClaim.approverComments = newComment;
//alert(JSON.stringify({incentiveClaimJSONDTO: incentiveClaim}));
$.ajax({
type: "POST",
url: "/IncentiveClearinghouseWeb/IncentiveClaimAjaxServlet?queueName=" + gQueueName + "&division=" + gDivision + "&user=" + gUser,
//For the Jackson ObjectMapper to work on the server side - the KEY you assign to the JSON object (e.g. 'incentiveClaimJSONDTO')
//should be the same name as the property of the Java object it will map to (e.g. 'IncentiveClaimJSONWrapper.incentiveClaimJSONDTO)
data: JSON.stringify({incentiveClaimJSONDTO: incentiveClaim}),
contentType: "application/json; charset=UTF-8",
dataType: "json",
success: function(response){
var message = response[0].message;
if (response[0].type == "S" && incentiveClaim.claimStatus != "U") {
//if SAP response is success and status is Approve or Reject then update the admin comments in the DOM
updateAdminComment(newComment, btnElement);
//and replace buttons with the response success message
showRespMsg(message, btnElement);
} else if (response[0].type == "S" && incentiveClaim.claimStatus == "U") {
//if SAP response is success and status is Update then update the admin comments in the DOM
updateAdminComment(newComment, btnElement);
} else if (response[0].type == "E") {
//if SAP response is error then alert the response error message
alert('Error: \n' + message);
}
},
error: function(e){
alert('Error: \n' + e);
}
});
}
In jsp (ICHClaimList.jsp):
<td class="<c:out value="${tdClass}" />">
<button id="approveBtn" onclick="approve('${incentiveClaimDTO.dealerId}', '${incentiveClaimDTO.incentiveType}', '${incentiveClaimDTO.invoiceNumber}', '${incentiveClaimDTO.lineNbr}', '${incentiveClaimDTO.model}', '${incentiveClaimDTO.serialNumber}', '${incentiveClaimDTO.programId}', this);">Approve</button>
<button id="rejectBtn" onclick="reject('${incentiveClaimDTO.dealerId}', '${incentiveClaimDTO.incentiveType}', '${incentiveClaimDTO.invoiceNumber}', '${incentiveClaimDTO.lineNbr}', '${incentiveClaimDTO.model}', '${incentiveClaimDTO.serialNumber}', '${incentiveClaimDTO.programId}', this);">Reject</button>
<button id="updateBtn" onclick="update('${incentiveClaimDTO.dealerId}', '${incentiveClaimDTO.incentiveType}', '${incentiveClaimDTO.invoiceNumber}', '${incentiveClaimDTO.lineNbr}', '${incentiveClaimDTO.model}', '${incentiveClaimDTO.serialNumber}', '${incentiveClaimDTO.programId}', this);">Update</button>
</td>
In servlet (IncentiveClaimAjaxServlet.java):
public class IncentiveClaimAjaxServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private final LogHelper LOG = new LogHelper(this.getClass());
private String user;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String method = "doPost()";
LOG.debug(method, "START");
String queueName = request.getParameter("queueName");
String division = request.getParameter("division");
user = request.getParameter("user");
try {
ArrayList<IncentiveClaimResponseDTO> responseList = executeTask(request);
//set response type to JSON
response.setContentType("application/json");
response.setHeader("cache-control", "no-cache");
//initiate jackson mapper
ObjectMapper mapper = new ObjectMapper();
//send the JSON response to client
mapper.writeValue(response.getOutputStream(), responseList);
} catch(Exception ex) {
ex.printStackTrace();
LOG.error("Exception Processing AJAX Request: " + ex.getMessage());
throw new ServletException(ex);
}
}
public ArrayList<IncentiveClaimResponseDTO> executeTask(HttpServletRequest request) throws IOException, ServletException {
//get received JSON data from request
String jsonString = "";
try {
jsonString = getBody(request);
} catch (IOException ex) {
LOG.debug("Error in retrieving the JSON payload from the request");
}
LOG.debug("--------------------------------------");
LOG.debug("JSON: \n" + jsonString);
//initiate jackson mapper
ObjectMapper mapper = new ObjectMapper();
IncentiveClaimJSONWrapper incentiveClaimJSONWrapper = new IncentiveClaimJSONWrapper();
IncentiveClaimService claimService = IncentiveClaimService.getInstance();
ArrayList<IncentiveClaimResponseDTO> responseList = new ArrayList<IncentiveClaimResponseDTO>();
try {
//convert JSON object to java object
incentiveClaimJSONWrapper = mapper.readValue(jsonString, IncentiveClaimJSONWrapper.class);
IncentiveClaimJSONDTO incentiveClaimJSONDTO = incentiveClaimJSONWrapper.getIncentiveClaimJSONDTO();
responseList = claimService.processIncentive(mapJsonDTOToRequest(incentiveClaimJSONDTO));
} catch (IncentiveClearinghouseException icex) {
//errors.add(Constants.ERROR_MSG_CONSTANTS.ACTION_PROCESSING_ERROR, new ActionMessage("errors.decision.action", "Error Code: " + icex.getErrorCode(), "Exception: " + icex.getMessage()));
LOG.error("IncentiveDecisionAction Error: " + icex.getMessage());
icex.printStackTrace();
} catch (Exception ex) {
//errors.add(Constants.ERROR_MSG_CONSTANTS.ACTION_PROCESSING_ERROR, new ActionMessage("errors.decision.action", "Error Code: " + Constants.EXCEPTION_CONSTANTS.ACTION_EXCEPTION, "Exception: " + ex.getMessage()));
LOG.error("IncentiveDecisionAction Error: " + ex.getMessage());
ex.printStackTrace();
}
return responseList;
}
public String getBody(HttpServletRequest request) throws IOException {
BufferedReader br = null;
String json = "";
try {
br = request.getReader();
if(br != null){
json = br.readLine();
}
} catch (IOException ex) {
throw ex;
} finally {
if (br != null) {
try {
br.close();
} catch (IOException ex) {
throw ex;
}
}
}
return json;
}
private IncentiveClaimDTO mapJsonDTOToRequest(IncentiveClaimJSONDTO incentiveClaimJSONDTO) throws IncentiveClearinghouseException {
IncentiveClaimDTO claimDTO = new IncentiveClaimDTO();
try {
claimDTO.setApproverComments(incentiveClaimJSONDTO.getApproverComments());
if( incentiveClaimJSONDTO.getDealerId() != null && !incentiveClaimJSONDTO.getDealerId().equals("") )
claimDTO.setDealerId(Integer.parseInt(incentiveClaimJSONDTO.getDealerId()));
claimDTO.setClaimStatus(incentiveClaimJSONDTO.getClaimStatus());
claimDTO.setIncentiveType(incentiveClaimJSONDTO.getIncentiveType());
claimDTO.setInvoiceNumber(incentiveClaimJSONDTO.getInvoiceNumber());
claimDTO.setLineNbr(incentiveClaimJSONDTO.getLineNumber());
claimDTO.setModel(incentiveClaimJSONDTO.getModel());
claimDTO.setModUserId(user);
claimDTO.setProgramId(incentiveClaimJSONDTO.getProgramId());
claimDTO.setSerialNumber(incentiveClaimJSONDTO.getSerialNumber());
} catch (Exception ex) {
throw new IncentiveClearinghouseException(Constants.EXCEPTION_CONSTANTS.ACTION_EXCEPTION, "Exception Mapping FormBean to Request");
}
return claimDTO;
}
}
The DTOs:
IncentiveClaimResponseDTO
public class IncentiveClaimResponseDTO {
private String field;
private String id;
private String logMsgNo;
private String logNo;
private String message;
private String messageV1;
private String messageV2;
private String messageV3;
private String messageV4;
private String number;
private String parameter;
private BigInteger row;
private String system;
private String type;
public IncentiveClaimResponseDTO() {
}
public String getField() {
return field;
}
public String getId() {
return id;
}
public String getLogMsgNo() {
return logMsgNo;
}
public String getLogNo() {
return logNo;
}
public String getMessage() {
return message;
}
public String getMessageV1() {
return messageV1;
}
public String getMessageV2() {
return messageV2;
}
public String getMessageV3() {
return messageV3;
}
public String getMessageV4() {
return messageV4;
}
public String getNumber() {
return number;
}
public String getParameter() {
return parameter;
}
public BigInteger getRow() {
return row;
}
public String getSystem() {
return system;
}
public String getType() {
return type;
}
public void setField(String field) {
this.field = field;
}
public void setId(String id) {
this.id = id;
}
public void setLogMsgNo(String logMsgNo) {
this.logMsgNo = logMsgNo;
}
public void setLogNo(String logNo) {
this.logNo = logNo;
}
public void setMessage(String message) {
this.message = message;
}
public void setMessageV1(String messageV1) {
this.messageV1 = messageV1;
}
public void setMessageV2(String messageV2) {
this.messageV2 = messageV2;
}
public void setMessageV3(String messageV3) {
this.messageV3 = messageV3;
}
public void setMessageV4(String messageV4) {
this.messageV4 = messageV4;
}
public void setNumber(String number) {
this.number = number;
}
public void setParameter(String parameter) {
this.parameter = parameter;
}
public void setRow(BigInteger row) {
this.row = row;
}
public void setSystem(String system) {
this.system = system;
}
public void setType(String type) {
this.type = type;
}
@Override
public String toString() {
return getClass().getName() + " {\n\tfield: " + field + "\n\tid: " + id
+ "\n\tlogMsgNo: " + logMsgNo + "\n\tlogNo: " + logNo
+ "\n\tmessage: " + message + "\n\tmessageV1: " + messageV1
+ "\n\tmessageV2: " + messageV2 + "\n\tmessageV3: " + messageV3
+ "\n\tmessageV4: " + messageV4 + "\n\tnumber: " + number
+ "\n\tparameter: " + parameter + "\n\trow: " + row
+ "\n\tsystem: " + system + "\n\ttype: " + type + "\n}";
}
}
IncentiveClaimJSONWrapper
public class IncentiveClaimJSONWrapper implements Serializable {
private static final long serialVersionUID = 4804830588834912345L;
private IncentiveClaimJSONDTO incentiveClaimJSONDTO;
public IncentiveClaimJSONDTO getIncentiveClaimJSONDTO() {
return incentiveClaimJSONDTO;
}
public void setIncentiveClaimJSONDTO(IncentiveClaimJSONDTO incentiveClaimJSONDTO) {
this.incentiveClaimJSONDTO = incentiveClaimJSONDTO;
}
}
IncentiveClaimJSONDTO
public class IncentiveClaimJSONDTO implements Serializable {
private static final long serialVersionUID = 8439021168470172893L;
private String claimStatus;
private String dealerId;
private String incentiveType;
private String invoiceNumber;
private String lineNumber;
private String model;
private String serialNumber;
private String programId;
private String approverComments;
public String getClaimStatus() {
return claimStatus;
}
public void setClaimStatus(String claimStatus) {
this.claimStatus = claimStatus;
}
public String getDealerId() {
return dealerId;
}
public void setDealerId(String dealerId) {
this.dealerId = dealerId;
}
public String getIncentiveType() {
return incentiveType;
}
public void setIncentiveType(String incentiveType) {
this.incentiveType = incentiveType;
}
public String getInvoiceNumber() {
return invoiceNumber;
}
public void setInvoiceNumber(String invoiceNumber) {
this.invoiceNumber = invoiceNumber;
}
public String getLineNumber() {
return lineNumber;
}
public void setLineNumber(String lineNumber) {
this.lineNumber = lineNumber;
}
public String getModel() {
return model;
}
public void setModel(String model) {
this.model = model;
}
public String getSerialNumber() {
return serialNumber;
}
public void setSerialNumber(String serialNumber) {
this.serialNumber = serialNumber;
}
public String getProgramId() {
return programId;
}
public void setProgramId(String programId) {
this.programId = programId;
}
public String getApproverComments() {
return approverComments;
}
public void setApproverComments(String approverComments) {
this.approverComments = approverComments;
}
}
That's it.
