/**
* ABAP APIs often uses complex parameters. This example demonstrates how to read the values from
* a structure.
*
* @throws com.sap.conn.jco.JCoException
*/
public static void step3WorkWithStructure() throws JCoException {
JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
JCoFunction function = destination.getRepository().getFunction("RFC_SYSTEM_INFO");
if (function == null) throw new RuntimeException("RFC_SYSTEM_INFO not found in SAP.");
try {
function.execute(destination);
} catch (AbapException e) {
System.out.println(e.toString());
return;
}
JCoStructure exportStructure = function.getExportParameterList().getStructure("RFCSI_EXPORT");
System.out.println("System info for " + destination.getAttributes().getSystemID() + ":\n");
// The structure contains some fields. The loop just prints out each field with its name.
for (int i = 0; i < exportStructure.getMetaData().getFieldCount(); i++) {
System.out.println(
exportStructure.getMetaData().getName(i) + ":\t" + exportStructure.getString(i));
}
System.out.println();
// JCo still supports the JCoFields, but direct access via getXXX is more efficient as field
// iterator
System.out.println(
"The same using field iterator: \nSystem info for "
+ destination.getAttributes().getSystemID()
+ ":\n");
for (JCoField field : exportStructure) {
System.out.println(field.getName() + ":\t" + field.getString());
}
System.out.println();
}
public void run(
Class object,
Resource resource,
IProgressMonitor monitor,
Map<String, VCObject> seenObjects,
List<Option> options)
throws JCoException {
beginTransaction();
JCoFunction function = getJCoFunction(getBAPI(), monitor);
JCoParameterList ipl = function.getImportParameterList();
String classSpec = object.getName();
String className = VcmlUtils.getClassName(classSpec);
int classType = VcmlUtils.getClassType(classSpec);
// handleOptions(options, ipl, "???", "???");
ipl.setValue(getCLASSNUM(), className);
ipl.setValue(getCLASSTYPE(), classType);
JCoStructure classBasicDataNew = ipl.getStructure(getCLASSBASICDATA());
classBasicDataNew.setValue("STATUS", VcmlUtils.createIntFromStatus(object.getStatus()));
classBasicDataNew.setValue("CLASSGROUP", nullIfEmpty(object.getGroup()));
classBasicDataNew.setValue("VALID_FROM", getToday()); // TODO set VALID_FROM for classes?
classBasicDataNew.setValue("VALID_TO", "9999-12-31"); // TODO set VALID_TO for classes?
JCoParameterList tpl = function.getTableParameterList();
final JCoTable classDescriptionsNew = tpl.getTable(getCLASSDESCRIPTIONS());
new DescriptionHandler() {
@Override
public void handleSingleDescription(Language language, String value) {
classDescriptionsNew.appendRow();
classDescriptionsNew.setValue("CATCHWORD", value);
classDescriptionsNew.setValue("LANGU", VcmlUtils.getLanguageCharacter(language));
classDescriptionsNew.setValue("LANGU_ISO", language.toString());
}
}.handleDescription(object.getDescription());
JCoTable classCharacteristicsNew = tpl.getTable(getCLASSCHARACTERISTICS());
List<Characteristic> cstics = object.getCharacteristics();
classCharacteristicsNew.appendRows(cstics.size());
for (Characteristic cstic : cstics) {
classCharacteristicsNew.setValue("NAME_CHAR", cstic.getName());
classCharacteristicsNew.nextRow();
}
execute(function, monitor, object.getName());
if (processReturnTable(function)) {
commit(monitor);
}
endTransaction();
}
/**
* A slightly more complex example than before. Query the companies list returned in a table and
* then obtain more details for each company.
*
* @throws com.sap.conn.jco.JCoException
*/
public static void step4WorkWithTable() throws JCoException {
JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
JCoFunction function = destination.getRepository().getFunction("BAPI_COMPANYCODE_GETLIST");
if (function == null) throw new RuntimeException("BAPI_COMPANYCODE_GETLIST not found in SAP.");
try {
function.execute(destination);
} catch (AbapException e) {
System.out.println(e.toString());
return;
}
JCoStructure returnStructure = function.getExportParameterList().getStructure("RETURN");
if (!(returnStructure.getString("TYPE").equals("")
|| returnStructure.getString("TYPE").equals("S"))) {
throw new RuntimeException(returnStructure.getString("MESSAGE"));
}
JCoTable codes = function.getTableParameterList().getTable("COMPANYCODE_LIST");
for (int i = 0; i < codes.getNumRows(); i++) {
codes.setRow(i);
System.out.println(codes.getString("COMP_CODE") + '\t' + codes.getString("COMP_NAME"));
}
// move the table cursor to first row
codes.firstRow();
for (int i = 0; i < codes.getNumRows(); i++, codes.nextRow()) {
function = destination.getRepository().getFunction("BAPI_COMPANYCODE_GETDETAIL");
if (function == null)
throw new RuntimeException("BAPI_COMPANYCODE_GETDETAIL not found in SAP.");
function.getImportParameterList().setValue("COMPANYCODEID", codes.getString("COMP_CODE"));
// We do not need the addresses, so set the corresponding parameter to inactive.
// Inactive parameters will be either not generated or at least converted.
function.getExportParameterList().setActive("COMPANYCODE_ADDRESS", false);
try {
function.execute(destination);
} catch (AbapException e) {
System.out.println(e.toString());
return;
}
returnStructure = function.getExportParameterList().getStructure("RETURN");
if (!(returnStructure.getString("TYPE").equals("")
|| returnStructure.getString("TYPE").equals("S")
|| returnStructure.getString("TYPE").equals("W"))) {
throw new RuntimeException(returnStructure.getString("MESSAGE"));
}
JCoStructure detail = function.getExportParameterList().getStructure("COMPANYCODE_DETAIL");
System.out.println(
detail.getString("COMP_CODE")
+ '\t'
+ detail.getString("COUNTRY")
+ '\t'
+ detail.getString("CITY"));
} // for
}
