Web Services - Code Examples

Example List

Simple example of a wsCustomerInfo Web Service that brings a line of data for a given instance

The following Web Service gets an input LUI for the CUSTOMER LU and returns data from the CUSTOMER table in the CUSTOMER LU. Output data is returned in DB.Rows structure. It can also be returned as an object which is then converted by Fabric into DB.Rows structure.

String sql = "SELECT CUSTOMER_ID, SSN, FIRST_NAME, LAST_NAME FROM CUSTOMER";


Db.Rows rows = ludb("Customer", i_id).fetch(sql);

log.info("WS executed Successfully for Customer ID :" + i_id);

return rows;

Output

[
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "FIRST_NAME": "Tali",
    "LAST_NAME": "Griffin"
  }
]

Example of a wsCustomerInfo2 Web Service that brings a Db.Rows structure as an output for a given instance

The following Web Service gets an input LUI for the CUSTOMER LU and returns several rows of data by running a Join query on several tables in the CUSTOMER LU. Output data is returned in DB.Rows structure. It can also be returned as an object which is then converted by Fabric into DB.Rows structure.

String sql = "select cust.CUSTOMER_ID,cust.SSN,cust.FIRST_NAME||' '||cust.LAST_NAME CUSTOMER_NAME, cont.CONTRACT_ID,cont.CONTRACT_DESCRIPTION,sub.SUBSCRIBER_ID,sub.MSISDN,sub.IMSI,sub.SIM,sub.SUBSCRIBER_TYPE " +
        "from CUSTOMER cust, CONTRACT cont, SUBSCRIBER sub where cont.CONTRACT_ID=sub.SUBSCRIBER_ID";

Db.Rows rows = ludb("Customer", i_id).fetch(sql);

log.info("WS executed Successfully for Customer ID :" + i_id);

return rows;

Output

[
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "1.0",
    "CONTRACT_DESCRIPTION": "5G tether",
    "SUBSCRIBER_ID": "1",
    "MSISDN": "9614867860",
    "IMSI": "531015353732639",
    "SIM": "2988735759833578",
    "SUBSCRIBER_TYPE": "1"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "2.0",
    "CONTRACT_DESCRIPTION": "10G 3G",
    "SUBSCRIBER_ID": "2",
    "MSISDN": "7997099409",
    "IMSI": "457470703125000",
    "SIM": "3751389217697811",
    "SUBSCRIBER_TYPE": "3"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "3.0",
    "CONTRACT_DESCRIPTION": "Roaming special",
    "SUBSCRIBER_ID": "3",
    "MSISDN": "3924663547",
    "IMSI": "759668646918403",
    "SIM": "2395410334354832",
    "SUBSCRIBER_TYPE": "1"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "4.0",
    "CONTRACT_DESCRIPTION": "450 min",
    "SUBSCRIBER_ID": "4",
    "MSISDN": "7042855196",
    "IMSI": "345797729492187",
    "SIM": "9009227816906040",
    "SUBSCRIBER_TYPE": "4"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "5.0",
    "CONTRACT_DESCRIPTION": "Unlimited call",
    "SUBSCRIBER_ID": "5",
    "MSISDN": "7183304985",
    "IMSI": "734794108072916",
    "SIM": "5671433642523324",
    "SUBSCRIBER_TYPE": "4"
  }
]

Example of versioning

Both the wsCustomerInfo and wsCustomerInfo2 Web Services in the examples share the same URL path named test/getCustomerInfo. The version property of wsCustomerInfo is set to 1 and the version property of wsCustomerInfo1 is set to 2.

  • To invoke a call to wsCustomerInfo, call the following URL: http://localhost:3213/api/v1/test/getCustomerInfo?i_id=1&token=ABC&format=json

  • To invoke a call to wsCustomerInfo2, call the following URL: http://localhost:3213/api/v2/test/getCustomerInfo?i_id=1&token=ABC&format=json

Example of a complex Java input structure

A complex JSON format can also be sent as input to a Fabric Web Service using the POST verb. Data is automatically serialized according to the input structure defined as a part of the Web Service's markup.

For example:

Requested body

{
  "ID":[{"id":"78999", "company":"Telco1"},{"id":"z34","company":"Telco2"}],
  "parent_customer_id":"456",
  "company":"Telco International"
}

Web Service markup

public static String wsExample(List<Map<String,String>> ID, String parent_customer_id, String company){
}

Web Service inside logic

     Map<String,String> m = ID.get(0);
     String id = m.get("id"); // will return 78999
     String company = m.get("company"); // will return Telco1

Example of a complex customized input structure

This example is similar to the above example, this time with customized Java classes.

For example:

Requested body

{
  "person": {
    "address": [

        "number": 10,
        "city": "Net York",
        "street": "5th Ave."
      }
    ],
    "name": "Lion",
    "id": "1234",
    "age": 45
  }
}

Web Service markup

static class Person {
   String name;
   String id;
   int age;
   List<Address> address;
}

static class Address {
   String city;
   String street;
   int number;
}

    @webService(path = "", verb = {MethodType.GET, MethodType.POST, MethodType.PUT, MethodType.DELETE}, version = "1", isRaw =                  false, produce = {Produce.XML, Produce.JSON})
    public static Address CustomClassExample(Person person) throws Exception {

Web Service inside logic

     return person.address.get(0);

Web Service response

{
  "city": "Net York",
  "street": "5th Ave.",
  "number": 10
}

Example of a complex TDM Web Service

The wsGetTaskExeStatsForEntity Web Service used by TDMGUI brings a map of all entity lists related to a given LUI that are related to the same business entity. That is, all instances related to all LUT under the same task execution that are defined as a parent or child of the given input LUI, call recursive functions to get a full hierarchy path.

String sqlGetEntityData = "select lu_name luName, target_entity_id targetId, entity_id sourceId, " +
    "execution_status luStatus from TDM.task_Execution_link_entities  " +
    "where lu_name <> ? and target_entity_id = ? and entity_id = ?";

String sqlGetParent = "select parent_lu_name, target_parent_id from TDM.task_Execution_link_entities " +
    "where lu_name= ? and target_entity_id = ? and parent_lu_name <> ''";

Map <String, Object> mainOutput = new HashMap<>();
Map <String, Object> childHierarchyDetails = new HashMap<>();
Map <String, Object> parentHierarchyDetails = new HashMap<>();

Db.Row entityDetails = null;
Boolean countChildren = false;

fabric().execute( "get TDM." + taskExecutionId);

//Get the Hierarchy starting from the given entity and below
childHierarchyDetails = fnGetChildHierarchy(luName, targetId);

String parentLuName = "";
String parentTargetId = "";

// Get the parent of the given LU, to see if there is a reason to get the ancestors or not
Db.Row parentRec = fabric().fetch(sqlGetParent, luName, targetId).firstRow();

if (!parentRec.isEmpty()) {
    //log.info("There is a parent: " + parentRec.cell(0));
    parentLuName = "" + parentRec.cell(0);
    parentTargetId = "" + parentRec.cell(1);
}
//If the the input entity has parents get the hierarchy above it
if (parentLuName != null && !"".equals(parentLuName)) {
    //Starting for the parent as the details of the input entity is already included in the children part
    //Sending the children hierarchy in order to add it to the ancestors as child hierarchy
    parentHierarchyDetails = fnGetParentHierarchy(parentLuName, parentTargetId, childHierarchyDetails);
} else {// Given inputs are of a root entity
    parentHierarchyDetails =  childHierarchyDetails;
}

String rootLUName = "" + parentHierarchyDetails.get("luName");
String rootTargetID = "" + parentHierarchyDetails.get("targetId");
String rootSourceID = "" + parentHierarchyDetails.get("sourceId");

mainOutput.put(rootLUName, parentHierarchyDetails);
//If there are other root entities with the same root entity ID get them, 
//they will be added to output as standalone (even if they have their own hierarchy)
Db.Rows otherRootRecs = fabric().fetch(sqlGetEntityData, rootLUName, rootTargetID, rootSourceID);
for (Db.Row rootRec : otherRootRecs) {
    Map <String, Object> rootDetails = new HashMap<>();
    String currRootLuName = "" + rootRec.cell(0);
    rootDetails.put("luName", currRootLuName);
    rootDetails.put("targetId", "" + rootRec.cell(1));

//Get instance ID from entity id
Object[] splitId = fnSplitUID("" + rootRec.cell(2));
String instanceId = "" + splitId[0];
rootDetails.put("sourceId", "" + instanceId);

rootDetails.put("entityStatus", "" + rootRec.cell(3));

mainOutput.put(currRootLuName, rootDetails);

}
if (otherRootRecs != null) {
    otherRootRecs.close();
}

return mainOutput;

Example of a Custom Payload - JSON

The following Web Service is similar to the Simple response - single entry from the LU root table but manages the input request payload by itself.

Do not forget to set the Custom Payload flag to True in the Web Service Properties panel located on the top right corner of the Web Service window.

It starts by reading the request body payload and acquiring it using request().getInputStream():

StringBuffer sbf = new StringBuffer();
try {
   InputStream inputStream = WebServiceUserCode.request().getInputStream();
   BufferedReader in = new BufferedReader(new InputStreamReader(inputStream,"UTF-8"));
   char[] bufferChar = new char[1024];
   int index = 0;
   while((index=in.read(bufferChar))!=-1){
      sbf.append(bufferChar,0,index);
   }
   inputStream.close();
} catch (IOException e) {
   log.error(e.getMessage(), e);
}

After reading the payload, it transforms it into the JSON format used in this example. It then fetches the data from the LU:

if (sbf!=null) {
   jsonRequest = new JSONObject(sbf.toString());
   log.info("json - " + jsonRequest.toString());
   ID = jsonRequest.getString("ID");
   if (ID != null) {
      rows = ludb("Customer", ID).fetch(sql);
   }
}

The wsCustomerInfoCustomPayload function is available in the Demo project.

Example of a Custom Payload - XML

The following Web Service inserts rows into the CASES table in the CUSTOMER LU where the input is retrieved in XML format.

Do not forget to set the Custom Payload flag to True in the Web Service Properties panel located on the top right corner of the Web Service window.

The wsInsertCasesCustomPayloadXML function is available in the Demo project.

Request body

<?xml version="1.0" encoding="UTF-8"?>
<cases iid="1">
    <case id="20007">
        <activity_id>1</activity_id>
        <case_date>2020-03-17 16:16:47</case_date>
        <case_type>Network Issue</case_type>
        <status>Open</status>
    </case> 
    <case id="20008">
        <activity_id>1</activity_id>
        <case_date>2020-03-18 16:16:47</case_date>
        <case_type>Device Issue</case_type>
        <status>Closed</status>
    </case> 
</cases>

To parse the XML several import statements are added to the file:

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;

The following XML DOM reading code is added to the function:

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder documentBuilder = factory.newDocumentBuilder();
Document doc = documentBuilder.parse(WebServiceUserCode.request().getInputStream());
doc.getDocumentElement().normalize();

Note that the WebServiceUserCode.request().getInputStream() statement is used to manually handle the request body.

From here DOM functions are used to acquire the input attributes and elements.

For example, the iid is located in this example as an attribute on the XML's root element.

Element iidEelem = (Element) doc.getDocumentElement();
String iid = iidEelem.getAttribute("iid");

To read the list of cases, a loop iteration was performed on the case list:

NodeList nList = doc.getElementsByTagName("case");

Each element and attribute of the case can then be read, for example:

Node node1 = elem.getElementsByTagName("activity_id").item(0);
String activityId = node1.getTextContent();

The code for inserting this into the DB is similar to the code in the wsInsertCases function, which is available in the Demo project.

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Web Services - Code Examples

Example List

Simple example of a wsCustomerInfo Web Service that brings a line of data for a given instance

The following Web Service gets an input LUI for the CUSTOMER LU and returns data from the CUSTOMER table in the CUSTOMER LU. Output data is returned in DB.Rows structure. It can also be returned as an object which is then converted by Fabric into DB.Rows structure.

String sql = "SELECT CUSTOMER_ID, SSN, FIRST_NAME, LAST_NAME FROM CUSTOMER";


Db.Rows rows = ludb("Customer", i_id).fetch(sql);

log.info("WS executed Successfully for Customer ID :" + i_id);

return rows;

Output

[
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "FIRST_NAME": "Tali",
    "LAST_NAME": "Griffin"
  }
]

Example of a wsCustomerInfo2 Web Service that brings a Db.Rows structure as an output for a given instance

The following Web Service gets an input LUI for the CUSTOMER LU and returns several rows of data by running a Join query on several tables in the CUSTOMER LU. Output data is returned in DB.Rows structure. It can also be returned as an object which is then converted by Fabric into DB.Rows structure.

String sql = "select cust.CUSTOMER_ID,cust.SSN,cust.FIRST_NAME||' '||cust.LAST_NAME CUSTOMER_NAME, cont.CONTRACT_ID,cont.CONTRACT_DESCRIPTION,sub.SUBSCRIBER_ID,sub.MSISDN,sub.IMSI,sub.SIM,sub.SUBSCRIBER_TYPE " +
        "from CUSTOMER cust, CONTRACT cont, SUBSCRIBER sub where cont.CONTRACT_ID=sub.SUBSCRIBER_ID";

Db.Rows rows = ludb("Customer", i_id).fetch(sql);

log.info("WS executed Successfully for Customer ID :" + i_id);

return rows;

Output

[
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "1.0",
    "CONTRACT_DESCRIPTION": "5G tether",
    "SUBSCRIBER_ID": "1",
    "MSISDN": "9614867860",
    "IMSI": "531015353732639",
    "SIM": "2988735759833578",
    "SUBSCRIBER_TYPE": "1"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "2.0",
    "CONTRACT_DESCRIPTION": "10G 3G",
    "SUBSCRIBER_ID": "2",
    "MSISDN": "7997099409",
    "IMSI": "457470703125000",
    "SIM": "3751389217697811",
    "SUBSCRIBER_TYPE": "3"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "3.0",
    "CONTRACT_DESCRIPTION": "Roaming special",
    "SUBSCRIBER_ID": "3",
    "MSISDN": "3924663547",
    "IMSI": "759668646918403",
    "SIM": "2395410334354832",
    "SUBSCRIBER_TYPE": "1"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "4.0",
    "CONTRACT_DESCRIPTION": "450 min",
    "SUBSCRIBER_ID": "4",
    "MSISDN": "7042855196",
    "IMSI": "345797729492187",
    "SIM": "9009227816906040",
    "SUBSCRIBER_TYPE": "4"
  },
  {
    "CUSTOMER_ID": "1",
    "SSN": "5153527856",
    "CUSTOMER_NAME": "Tali Griffin",
    "CONTRACT_ID": "5.0",
    "CONTRACT_DESCRIPTION": "Unlimited call",
    "SUBSCRIBER_ID": "5",
    "MSISDN": "7183304985",
    "IMSI": "734794108072916",
    "SIM": "5671433642523324",
    "SUBSCRIBER_TYPE": "4"
  }
]

Example of versioning

Both the wsCustomerInfo and wsCustomerInfo2 Web Services in the examples share the same URL path named test/getCustomerInfo. The version property of wsCustomerInfo is set to 1 and the version property of wsCustomerInfo1 is set to 2.

  • To invoke a call to wsCustomerInfo, call the following URL: http://localhost:3213/api/v1/test/getCustomerInfo?i_id=1&token=ABC&format=json

  • To invoke a call to wsCustomerInfo2, call the following URL: http://localhost:3213/api/v2/test/getCustomerInfo?i_id=1&token=ABC&format=json

Example of a complex Java input structure

A complex JSON format can also be sent as input to a Fabric Web Service using the POST verb. Data is automatically serialized according to the input structure defined as a part of the Web Service's markup.

For example:

Requested body

{
  "ID":[{"id":"78999", "company":"Telco1"},{"id":"z34","company":"Telco2"}],
  "parent_customer_id":"456",
  "company":"Telco International"
}

Web Service markup

public static String wsExample(List<Map<String,String>> ID, String parent_customer_id, String company){
}

Web Service inside logic

     Map<String,String> m = ID.get(0);
     String id = m.get("id"); // will return 78999
     String company = m.get("company"); // will return Telco1

Example of a complex customized input structure

This example is similar to the above example, this time with customized Java classes.

For example:

Requested body

{
  "person": {
    "address": [

        "number": 10,
        "city": "Net York",
        "street": "5th Ave."
      }
    ],
    "name": "Lion",
    "id": "1234",
    "age": 45
  }
}

Web Service markup

static class Person {
   String name;
   String id;
   int age;
   List<Address> address;
}

static class Address {
   String city;
   String street;
   int number;
}

    @webService(path = "", verb = {MethodType.GET, MethodType.POST, MethodType.PUT, MethodType.DELETE}, version = "1", isRaw =                  false, produce = {Produce.XML, Produce.JSON})
    public static Address CustomClassExample(Person person) throws Exception {

Web Service inside logic

     return person.address.get(0);

Web Service response

{
  "city": "Net York",
  "street": "5th Ave.",
  "number": 10
}

Example of a complex TDM Web Service

The wsGetTaskExeStatsForEntity Web Service used by TDMGUI brings a map of all entity lists related to a given LUI that are related to the same business entity. That is, all instances related to all LUT under the same task execution that are defined as a parent or child of the given input LUI, call recursive functions to get a full hierarchy path.

String sqlGetEntityData = "select lu_name luName, target_entity_id targetId, entity_id sourceId, " +
    "execution_status luStatus from TDM.task_Execution_link_entities  " +
    "where lu_name <> ? and target_entity_id = ? and entity_id = ?";

String sqlGetParent = "select parent_lu_name, target_parent_id from TDM.task_Execution_link_entities " +
    "where lu_name= ? and target_entity_id = ? and parent_lu_name <> ''";

Map <String, Object> mainOutput = new HashMap<>();
Map <String, Object> childHierarchyDetails = new HashMap<>();
Map <String, Object> parentHierarchyDetails = new HashMap<>();

Db.Row entityDetails = null;
Boolean countChildren = false;

fabric().execute( "get TDM." + taskExecutionId);

//Get the Hierarchy starting from the given entity and below
childHierarchyDetails = fnGetChildHierarchy(luName, targetId);

String parentLuName = "";
String parentTargetId = "";

// Get the parent of the given LU, to see if there is a reason to get the ancestors or not
Db.Row parentRec = fabric().fetch(sqlGetParent, luName, targetId).firstRow();

if (!parentRec.isEmpty()) {
    //log.info("There is a parent: " + parentRec.cell(0));
    parentLuName = "" + parentRec.cell(0);
    parentTargetId = "" + parentRec.cell(1);
}
//If the the input entity has parents get the hierarchy above it
if (parentLuName != null && !"".equals(parentLuName)) {
    //Starting for the parent as the details of the input entity is already included in the children part
    //Sending the children hierarchy in order to add it to the ancestors as child hierarchy
    parentHierarchyDetails = fnGetParentHierarchy(parentLuName, parentTargetId, childHierarchyDetails);
} else {// Given inputs are of a root entity
    parentHierarchyDetails =  childHierarchyDetails;
}

String rootLUName = "" + parentHierarchyDetails.get("luName");
String rootTargetID = "" + parentHierarchyDetails.get("targetId");
String rootSourceID = "" + parentHierarchyDetails.get("sourceId");

mainOutput.put(rootLUName, parentHierarchyDetails);
//If there are other root entities with the same root entity ID get them, 
//they will be added to output as standalone (even if they have their own hierarchy)
Db.Rows otherRootRecs = fabric().fetch(sqlGetEntityData, rootLUName, rootTargetID, rootSourceID);
for (Db.Row rootRec : otherRootRecs) {
    Map <String, Object> rootDetails = new HashMap<>();
    String currRootLuName = "" + rootRec.cell(0);
    rootDetails.put("luName", currRootLuName);
    rootDetails.put("targetId", "" + rootRec.cell(1));

//Get instance ID from entity id
Object[] splitId = fnSplitUID("" + rootRec.cell(2));
String instanceId = "" + splitId[0];
rootDetails.put("sourceId", "" + instanceId);

rootDetails.put("entityStatus", "" + rootRec.cell(3));

mainOutput.put(currRootLuName, rootDetails);

}
if (otherRootRecs != null) {
    otherRootRecs.close();
}

return mainOutput;

Example of a Custom Payload - JSON

The following Web Service is similar to the Simple response - single entry from the LU root table but manages the input request payload by itself.

Do not forget to set the Custom Payload flag to True in the Web Service Properties panel located on the top right corner of the Web Service window.

It starts by reading the request body payload and acquiring it using request().getInputStream():

StringBuffer sbf = new StringBuffer();
try {
   InputStream inputStream = WebServiceUserCode.request().getInputStream();
   BufferedReader in = new BufferedReader(new InputStreamReader(inputStream,"UTF-8"));
   char[] bufferChar = new char[1024];
   int index = 0;
   while((index=in.read(bufferChar))!=-1){
      sbf.append(bufferChar,0,index);
   }
   inputStream.close();
} catch (IOException e) {
   log.error(e.getMessage(), e);
}

After reading the payload, it transforms it into the JSON format used in this example. It then fetches the data from the LU:

if (sbf!=null) {
   jsonRequest = new JSONObject(sbf.toString());
   log.info("json - " + jsonRequest.toString());
   ID = jsonRequest.getString("ID");
   if (ID != null) {
      rows = ludb("Customer", ID).fetch(sql);
   }
}

The wsCustomerInfoCustomPayload function is available in the Demo project.

Example of a Custom Payload - XML

The following Web Service inserts rows into the CASES table in the CUSTOMER LU where the input is retrieved in XML format.

Do not forget to set the Custom Payload flag to True in the Web Service Properties panel located on the top right corner of the Web Service window.

The wsInsertCasesCustomPayloadXML function is available in the Demo project.

Request body

<?xml version="1.0" encoding="UTF-8"?>
<cases iid="1">
    <case id="20007">
        <activity_id>1</activity_id>
        <case_date>2020-03-17 16:16:47</case_date>
        <case_type>Network Issue</case_type>
        <status>Open</status>
    </case> 
    <case id="20008">
        <activity_id>1</activity_id>
        <case_date>2020-03-18 16:16:47</case_date>
        <case_type>Device Issue</case_type>
        <status>Closed</status>
    </case> 
</cases>

To parse the XML several import statements are added to the file:

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;

The following XML DOM reading code is added to the function:

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder documentBuilder = factory.newDocumentBuilder();
Document doc = documentBuilder.parse(WebServiceUserCode.request().getInputStream());
doc.getDocumentElement().normalize();

Note that the WebServiceUserCode.request().getInputStream() statement is used to manually handle the request body.

From here DOM functions are used to acquire the input attributes and elements.

For example, the iid is located in this example as an attribute on the XML's root element.

Element iidEelem = (Element) doc.getDocumentElement();
String iid = iidEelem.getAttribute("iid");

To read the list of cases, a loop iteration was performed on the case list:

NodeList nList = doc.getElementsByTagName("case");

Each element and attribute of the case can then be read, for example:

Node node1 = elem.getElementsByTagName("activity_id").item(0);
String activityId = node1.getTextContent();

The code for inserting this into the DB is similar to the code in the wsInsertCases function, which is available in the Demo project.

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