tidy up return of json for clients api functionality.

mifosng-provider/src/main/java/org/mifosng/platform/api/ClientsApiResource.java

@@ -1,7 +1,10 @@
 package org.mifosng.platform.api;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
 
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
@@ -25,7 +28,7 @@ import org.mifosng.platform.api.data.EntityIdentifier;
 import org.mifosng.platform.api.data.NoteData;
 import org.mifosng.platform.api.data.OfficeLookup;
 import org.mifosng.platform.api.infrastructure.ApiDataConversionService;
-import org.mifosng.platform.api.infrastructure.ApiJSONFormattingService;
+import org.mifosng.platform.api.infrastructure.ApiParameterHelper;
 import org.mifosng.platform.client.service.ClientReadPlatformService;
 import org.mifosng.platform.client.service.ClientWritePlatformService;
 import org.mifosng.platform.organisation.service.OfficeReadPlatformService;
@@ -40,12 +43,7 @@ import org.springframework.stereotype.Component;
 @Scope("singleton")
 public class ClientsApiResource {
 
-	private final static Logger logger = LoggerFactory
-			.getLogger(ClientsApiResource.class);
-
-	private String defaultFieldList = "joinedDate";
-	private String allowedFieldList = "allowedOffices";
-	private String filterName = "myFilter";
+	private final static Logger logger = LoggerFactory.getLogger(ClientsApiResource.class);
 
 	@Autowired
 	private ClientReadPlatformService clientReadPlatformService;
@@ -59,9 +57,6 @@ public class ClientsApiResource {
 	@Autowired
 	private OfficeReadPlatformService officeReadPlatformService;
 
-	@Autowired
-	private ApiJSONFormattingService jsonFormattingService;
-
 	@GET
 	@Consumes({MediaType.APPLICATION_JSON})
 	@Produces({MediaType.APPLICATION_JSON})
@@ -73,15 +68,21 @@ public class ClientsApiResource {
 			@QueryParam("firstName") final String firstName,
 			@QueryParam("lastName") final String lastName) {
 
-		String extraCriteria = getClientCriteria(sqlSearch, officeId,
-				externalId, displayName, firstName, lastName);
+		final String extraCriteria = getClientCriteria(sqlSearch, officeId, externalId, displayName, firstName, lastName);
+		
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("id", "officeId", "officeName", "externalId", "firstname", "lastname", "joinedDate", "displayName")
+		);
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
 
-		Collection<ClientData> clients = this.clientReadPlatformService
-				.retrieveAllIndividualClients(extraCriteria);
-
-		String selectedFields = "";
-		return this.jsonFormattingService.convertRequest(clients, filterName,
-				allowedFieldList, selectedFields, uriInfo.getQueryParameters());
+		Collection<ClientData> clients = this.clientReadPlatformService.retrieveAllIndividualClients(extraCriteria);
+		
+		return this.apiDataConversionService.convertClientDataToJson(prettyPrint, responseParameters, clients.toArray(new ClientData[clients.size()]));
 	}
 
 	private String getClientCriteria(String sqlSearch, Integer officeId,
@@ -129,20 +130,26 @@ public class ClientsApiResource {
 	@Produces({MediaType.APPLICATION_JSON})
 	public String retrieveClientData(
 			@PathParam("clientId") final Long clientId,
-			@QueryParam("template") final String template, @Context final UriInfo uriInfo) {
-
-		ClientData clientData = this.clientReadPlatformService
-				.retrieveIndividualClient(clientId);
-
-		if (template != null && template.equalsIgnoreCase("true")) {
-			clientData.setAllowedOffices(new ArrayList<OfficeLookup>(
-					officeReadPlatformService.retrieveAllOfficesForLookup()));
+			@Context final UriInfo uriInfo) {
+		
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("id", "officeId", "officeName", "externalId", "firstname", "lastname", "joinedDate", "displayName")
+		);
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+		boolean template = ApiParameterHelper.template(uriInfo.getQueryParameters());
+		
+		ClientData clientData = this.clientReadPlatformService.retrieveIndividualClient(clientId);
+		if (template) {
+			clientData.setAllowedOffices(new ArrayList<OfficeLookup>(officeReadPlatformService.retrieveAllOfficesForLookup()));
+			responseParameters.add("allowedOffices");
 		}
 
-		String selectedFields = "";
-		return this.jsonFormattingService.convertRequest(clientData,
-				filterName, allowedFieldList, selectedFields,
-				uriInfo.getQueryParameters());
+		return this.apiDataConversionService.convertClientDataToJson(prettyPrint, responseParameters, clientData);
 	}
 
 	@GET
@@ -150,14 +157,20 @@ public class ClientsApiResource {
 	@Consumes({MediaType.APPLICATION_JSON})
 	@Produces({MediaType.APPLICATION_JSON})
 	public String newClientDetails(@Context UriInfo uriInfo) {
-
-		ClientData clientData = this.clientReadPlatformService
-				.retrieveNewClientDetails();
-
-		String selectedFields = defaultFieldList + "," + allowedFieldList;
-		return this.jsonFormattingService.convertRequest(clientData,
-				filterName, allowedFieldList, selectedFields,
-				uriInfo.getQueryParameters());
+		
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("id", "officeId", "officeName", "externalId", "firstname", "lastname", "joinedDate", "displayName", "allowedOffices")
+		);
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+		
+		ClientData clientData = this.clientReadPlatformService.retrieveNewClientDetails();
+		
+		return this.apiDataConversionService.convertClientDataToJson(prettyPrint, responseParameters, clientData);
 	}
 
 	@POST
@@ -189,16 +202,22 @@ public class ClientsApiResource {
 	@Path("{clientId}/loans")
 	@Consumes({MediaType.APPLICATION_JSON})
 	@Produces({MediaType.APPLICATION_JSON})
-	public String retrieveClientAccount(
-			@PathParam("clientId") final Long clientId, @Context final UriInfo uriInfo) {
+	public String retrieveClientAccount(@PathParam("clientId") final Long clientId, 
+										@Context final UriInfo uriInfo) {
 
-		ClientLoanAccountSummaryCollectionData clientAccount = this.clientReadPlatformService
-				.retrieveClientAccountDetails(clientId);
-
-		String selectedFields = "";
-		return this.jsonFormattingService.convertRequest(clientAccount,
-				filterName, allowedFieldList, selectedFields,
-				uriInfo.getQueryParameters());
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("pendingApprovalLoans", "awaitingDisbursalLoans", "openLoans", "closedLoans")
+		);
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+		
+		ClientLoanAccountSummaryCollectionData clientAccount = this.clientReadPlatformService.retrieveClientAccountDetails(clientId);
+		
+		return this.apiDataConversionService.convertClientLoanAccountSummaryCollectionDataToJson(prettyPrint, responseParameters, clientAccount);
 	}
 
 	@GET
@@ -207,12 +226,20 @@ public class ClientsApiResource {
 	@Produces({MediaType.APPLICATION_JSON})
 	public String retrieveAllClientNotes(@PathParam("clientId") final Long clientId, @Context final UriInfo uriInfo) {
 
-		Collection<NoteData> notes = this.clientReadPlatformService
-				.retrieveAllClientNotes(clientId);
-
-		String selectedFields = "";
-		return this.jsonFormattingService.convertRequest(notes, filterName,
-				allowedFieldList, selectedFields, uriInfo.getQueryParameters());
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("id", "clientId", "loanId", "loanTransactionId", "noteType", "note", "createdById", "createdByUsername", 
+						"createdOn", "updatedById", "updatedByUsername", "updatedOn")
+		);
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+		
+		Collection<NoteData> notes = this.clientReadPlatformService.retrieveAllClientNotes(clientId);
+		
+		return this.apiDataConversionService.convertNoteDataToJson(prettyPrint, responseParameters, notes.toArray(new NoteData[notes.size()]));
 	}
 
 	@POST
@@ -234,13 +261,23 @@ public class ClientsApiResource {
 	@Produces({MediaType.APPLICATION_JSON})
 	public String retrieveClientNote(
 			@PathParam("clientId") final Long clientId,
-			@PathParam("noteId") final Long noteId, @Context final UriInfo uriInfo) {
-
+			@PathParam("noteId") final Long noteId, 
+			@Context final UriInfo uriInfo) {
+		
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("id", "clientId", "loanId", "loanTransactionId", "noteType", "note", "createdById", "createdByUsername", 
+						"createdOn", "updatedById", "updatedByUsername", "updatedOn")
+		);
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
+		
 		NoteData note = this.clientReadPlatformService.retrieveClientNote(clientId, noteId);
-
-		String selectedFields = "";
-		return this.jsonFormattingService.convertRequest(note, filterName,
-				allowedFieldList, selectedFields, uriInfo.getQueryParameters());
+		
+		return this.apiDataConversionService.convertNoteDataToJson(prettyPrint, responseParameters, note);
 	}
 
 	@PUT
@@ -253,8 +290,7 @@ public class ClientsApiResource {
 
 		NoteCommand command = this.apiDataConversionService.convertJsonToNoteCommand(noteId, clientId, jsonRequestBody);
 		
-		EntityIdentifier identifier = this.clientWritePlatformService
-				.updateNote(command);
+		EntityIdentifier identifier = this.clientWritePlatformService.updateNote(command);
 
 		return Response.ok().entity(identifier).build();
 	}

mifosng-provider/src/main/java/org/mifosng/platform/api/ConfigurationApiResource.java

@@ -1,5 +1,9 @@
 package org.mifosng.platform.api;
 
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
 import javax.ws.rs.PUT;
@@ -13,7 +17,7 @@ import javax.ws.rs.core.UriInfo;
 import org.mifosng.platform.api.commands.OrganisationCurrencyCommand;
 import org.mifosng.platform.api.data.ConfigurationData;
 import org.mifosng.platform.api.infrastructure.ApiDataConversionService;
-import org.mifosng.platform.api.infrastructure.ApiJSONFormattingService;
+import org.mifosng.platform.api.infrastructure.ApiParameterHelper;
 import org.mifosng.platform.configuration.service.ConfigurationReadPlatformService;
 import org.mifosng.platform.configuration.service.ConfigurationWritePlatformService;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -25,9 +29,6 @@ import org.springframework.stereotype.Component;
 @Scope("singleton")
 public class ConfigurationApiResource {
 
-	private String allowedFieldList = "";
-	private String filterName = "myFilter";
-
 	@Autowired
 	private ConfigurationReadPlatformService configurationReadPlatformService;
 
@@ -37,22 +38,24 @@ public class ConfigurationApiResource {
 	@Autowired
 	private ApiDataConversionService apiDataConversionService;
 	
-	@Autowired
-	private ApiJSONFormattingService jsonFormattingService;
-
 	@GET
 	@Path("currency")
 	@Consumes({MediaType.APPLICATION_JSON})
 	@Produces({MediaType.APPLICATION_JSON})
 	public String retrieveCurrencyDataForConfiguration(@Context final UriInfo uriInfo) {
+		
+		Set<String> typicalResponseParameters = new HashSet<String>(
+				Arrays.asList("selectedCurrencyOptions", "currencyOptions"));
+		
+		Set<String> responseParameters = ApiParameterHelper.extractFieldsForResponseIfProvided(uriInfo.getQueryParameters());
+		if (responseParameters.isEmpty()) {
+			responseParameters.addAll(typicalResponseParameters);
+		}
+		boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
 
-		ConfigurationData configurationData = this.configurationReadPlatformService
-				.retrieveCurrencyConfiguration();
-
-		String selectedFields = "";
-		return this.jsonFormattingService.convertRequest(configurationData,
-				filterName, allowedFieldList, selectedFields,
-				uriInfo.getQueryParameters());
+		ConfigurationData configurationData = this.configurationReadPlatformService.retrieveCurrencyConfiguration();
+		
+		return this.apiDataConversionService.convertConfigurationDataToJson(prettyPrint, responseParameters, configurationData);
 	}
 
 	@PUT

mifosng-provider/src/main/java/org/mifosng/platform/api/data/ClientData.java

@@ -1,31 +1,24 @@
 package org.mifosng.platform.api.data;
 
-import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.lang.StringUtils;
-import org.codehaus.jackson.map.annotate.JsonFilter;
 import org.joda.time.LocalDate;
 
-@JsonFilter("myFilter")
-public class ClientData implements Serializable {
+public class ClientData {
 
-	private Long officeId;
-	private String officeName;
-	private Long id;
-	private String firstname;
-	private String lastname;
-	private String displayName;
-	private String externalId;
-	private LocalDate joinedDate;
+	private final Long officeId;
+	private final String officeName;
+	private final Long id;
+	private final String firstname;
+	private final String lastname;
+	private final String displayName;
+	private final String externalId;
+	private final LocalDate joinedDate;
 
 	private List<OfficeLookup> allowedOffices = new ArrayList<OfficeLookup>();
 
-	public ClientData() {
-		//
-	}
-
 	public ClientData(final Long officeId, final String officeName,
 			final Long id, final String firstname, final String lastname,
 			final String externalId, final LocalDate joinedDate) {
@@ -46,68 +39,48 @@ public class ClientData implements Serializable {
 		this.joinedDate = joinedDate;
 	}
 
-	public Long getId() {
-		return this.id;
-	}
-
-	public String getFirstname() {
-		return this.firstname;
-	}
-
-	public String getLastname() {
-		return this.lastname;
-	}
-
-	public String getExternalId() {
-		return this.externalId;
+	public ClientData(final Long officeId, final LocalDate joinedDate, final List<OfficeLookup> offices) {
+		this.id = null;
+		this.officeId = officeId;
+		this.officeName = null;
+		this.firstname = null;
+		this.lastname = null;
+		this.displayName = null;
+		this.externalId = null;
+		this.joinedDate = joinedDate;
+		this.allowedOffices = offices;
 	}
 
 	public Long getOfficeId() {
-		return this.officeId;
+		return officeId;
 	}
 
 	public String getOfficeName() {
-		return this.officeName;
+		return officeName;
 	}
 
-	public LocalDate getJoinedDate() {
-		return this.joinedDate;
+	public Long getId() {
+		return id;
 	}
 
-	public void setOfficeId(final Long officeId) {
-		this.officeId = officeId;
+	public String getFirstname() {
+		return firstname;
 	}
 
-	public void setOfficeName(final String officeName) {
-		this.officeName = officeName;
-	}
-
-	public void setId(final Long id) {
-		this.id = id;
-	}
-
-	public void setFirstname(final String firstname) {
-		this.firstname = firstname;
-	}
-
-	public void setLastname(final String lastname) {
-		this.lastname = lastname;
-	}
-
-	public void setExternalId(final String externalId) {
-		this.externalId = externalId;
-	}
-
-	public void setJoinedDate(final LocalDate joinedDate) {
-		this.joinedDate = joinedDate;
+	public String getLastname() {
+		return lastname;
 	}
 
 	public String getDisplayName() {
-		return this.displayName;
+		return displayName;
 	}
 
-	public void setDisplayName(final String displayName) {
-		this.displayName = displayName;
+	public String getExternalId() {
+		return externalId;
+	}
+
+	public LocalDate getJoinedDate() {
+		return joinedDate;
 	}
 
 	public List<OfficeLookup> getAllowedOffices() {

mifosng-provider/src/main/java/org/mifosng/platform/api/data/ClientLoanAccountSummaryCollectionData.java

@@ -3,20 +3,18 @@ package org.mifosng.platform.api.data;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.codehaus.jackson.map.annotate.JsonFilter;
-
-@JsonFilter("myFilter")
 public class ClientLoanAccountSummaryCollectionData {
 
 	private List<ClientLoanAccountSummaryData> pendingApprovalLoans = new ArrayList<ClientLoanAccountSummaryData>();
 	private List<ClientLoanAccountSummaryData> awaitingDisbursalLoans = new ArrayList<ClientLoanAccountSummaryData>();
 	private List<ClientLoanAccountSummaryData> openLoans = new ArrayList<ClientLoanAccountSummaryData>();
 	private List<ClientLoanAccountSummaryData> closedLoans = new ArrayList<ClientLoanAccountSummaryData>();
-
-	public ClientLoanAccountSummaryCollectionData() {
-		//
-	}
-
+	private int anyLoanCount;
+	private int pendingApprovalLoanCount;
+	private int awaitingDisbursalLoanCount;
+	private int activeLoanCount;
+	private int closedLoanCount;
+	
 	public ClientLoanAccountSummaryCollectionData(
 			final List<ClientLoanAccountSummaryData> pendingApprovalLoans,
 			final List<ClientLoanAccountSummaryData> awaitingDisbursalLoans,
@@ -26,60 +24,46 @@ public class ClientLoanAccountSummaryCollectionData {
 		this.awaitingDisbursalLoans = awaitingDisbursalLoans;
 		this.openLoans = openLoans;
 		this.closedLoans = closedLoans;
-	}
-
-	public Integer getAnyLoanCount() {
-		return getPendingApprovalLoanCount() + getAwaitingDisbursalLoanCount()
-				+ getActiveLoanCount() + getClosedLoanCount();
-	}
-
-	public Integer getPendingApprovalLoanCount() {
-		return this.pendingApprovalLoans.size();
-	}
-
-	public Integer getAwaitingDisbursalLoanCount() {
-		return this.awaitingDisbursalLoans.size();
-	}
-
-	public Integer getActiveLoanCount() {
-		return this.openLoans.size();
-	}
-
-	public Integer getClosedLoanCount() {
-		return this.closedLoans.size();
+		this.pendingApprovalLoanCount = this.pendingApprovalLoans.size();
+		this.awaitingDisbursalLoanCount = this.awaitingDisbursalLoans.size();
+		this.activeLoanCount = this.openLoans.size();
+		this.closedLoanCount = this.closedLoans.size();
+		this.anyLoanCount = this.pendingApprovalLoanCount + this.awaitingDisbursalLoanCount + this.activeLoanCount + this.closedLoanCount;
 	}
 
 	public List<ClientLoanAccountSummaryData> getPendingApprovalLoans() {
 		return pendingApprovalLoans;
 	}
 
-	public void setPendingApprovalLoans(
-			List<ClientLoanAccountSummaryData> pendingApprovalLoans) {
-		this.pendingApprovalLoans = pendingApprovalLoans;
-	}
-
 	public List<ClientLoanAccountSummaryData> getAwaitingDisbursalLoans() {
 		return awaitingDisbursalLoans;
 	}
 
-	public void setAwaitingDisbursalLoans(
-			List<ClientLoanAccountSummaryData> awaitingDisbursalLoans) {
-		this.awaitingDisbursalLoans = awaitingDisbursalLoans;
-	}
-
 	public List<ClientLoanAccountSummaryData> getOpenLoans() {
 		return openLoans;
 	}
 
-	public void setOpenLoans(List<ClientLoanAccountSummaryData> openLoans) {
-		this.openLoans = openLoans;
-	}
-
 	public List<ClientLoanAccountSummaryData> getClosedLoans() {
 		return closedLoans;
 	}
 
-	public void setClosedLoans(List<ClientLoanAccountSummaryData> closedLoans) {
-		this.closedLoans = closedLoans;
+	public int getAnyLoanCount() {
+		return anyLoanCount;
+	}
+
+	public int getPendingApprovalLoanCount() {
+		return pendingApprovalLoanCount;
+	}
+
+	public int getAwaitingDisbursalLoanCount() {
+		return awaitingDisbursalLoanCount;
+	}
+
+	public int getActiveLoanCount() {
+		return activeLoanCount;
+	}
+
+	public int getClosedLoanCount() {
+		return closedLoanCount;
 	}
 }

mifosng-provider/src/main/java/org/mifosng/platform/api/data/ConfigurationData.java

@@ -1,35 +1,22 @@
 package org.mifosng.platform.api.data;
 
-import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.List;
 
-import org.codehaus.jackson.map.annotate.JsonFilter;
+public class ConfigurationData {
 
-@JsonFilter("myFilter")
-public class ConfigurationData implements Serializable {
+	private final List<CurrencyData> selectedCurrencyOptions;
+	private final List<CurrencyData> currencyOptions;
 
-	private List<CurrencyData> selectedCurrencyOptions = new ArrayList<CurrencyData>();
-	private List<CurrencyData> currencyOptions = new ArrayList<CurrencyData>();
-
-	public ConfigurationData() {
-		//
+	public ConfigurationData(final List<CurrencyData> currencyOptions, final List<CurrencyData> selectedCurrencyOptions) {
+		this.currencyOptions = currencyOptions;
+		this.selectedCurrencyOptions = selectedCurrencyOptions;
 	}
 
 	public List<CurrencyData> getSelectedCurrencyOptions() {
 		return selectedCurrencyOptions;
 	}
 
-	public void setSelectedCurrencyOptions(
-			List<CurrencyData> selectedCurrencyOptions) {
-		this.selectedCurrencyOptions = selectedCurrencyOptions;
-	}
-
 	public List<CurrencyData> getCurrencyOptions() {
 		return currencyOptions;
 	}
-
-	public void setCurrencyOptions(List<CurrencyData> currencyOptions) {
-		this.currencyOptions = currencyOptions;
-	}
 }

mifosng-provider/src/main/java/org/mifosng/platform/api/data/NoteData.java

@@ -1,9 +1,7 @@
 package org.mifosng.platform.api.data;
 
-import org.codehaus.jackson.map.annotate.JsonFilter;
 import org.joda.time.DateTime;
 
-@JsonFilter("myFilter")
 public class NoteData {
 
 	private Long id;

mifosng-provider/src/main/java/org/mifosng/platform/api/infrastructure/ApiDataConversionService.java

@@ -16,7 +16,11 @@ import org.mifosng.platform.api.commands.RoleCommand;
 import org.mifosng.platform.api.commands.SubmitLoanApplicationCommand;
 import org.mifosng.platform.api.commands.UserCommand;
 import org.mifosng.platform.api.data.AppUserData;
+import org.mifosng.platform.api.data.ClientData;
+import org.mifosng.platform.api.data.ClientLoanAccountSummaryCollectionData;
+import org.mifosng.platform.api.data.ConfigurationData;
 import org.mifosng.platform.api.data.FundData;
+import org.mifosng.platform.api.data.NoteData;
 import org.mifosng.platform.api.data.OfficeData;
 import org.mifosng.platform.api.data.OfficeTransactionData;
 import org.mifosng.platform.api.data.PermissionData;
@@ -32,6 +36,15 @@ public interface ApiDataConversionService {
 	String convertAppUserDataToJson(boolean prettyPrint, Set<String> responseParameters, AppUserData... users);
 	
 	String convertOfficeTransactionDataToJson(boolean prettyPrint, Set<String> responseParameters, OfficeTransactionData... officeTransactions);
+	
+	String convertConfigurationDataToJson(boolean prettyPrint, Set<String> responseParameters, ConfigurationData... configuration);
+	
+	String convertClientDataToJson(boolean prettyPrint, Set<String> responseParameters, ClientData... clients);
+	
+	String convertClientLoanAccountSummaryCollectionDataToJson(boolean prettyPrint, Set<String> responseParameters, 
+			ClientLoanAccountSummaryCollectionData clientAccountsData);
+	
+	String convertNoteDataToJson(boolean prettyPrint, Set<String> responseParameters, NoteData... notes);
 	//
 
 	FundCommand convertJsonToFundCommand(Long resourceIdentifier, String json);

mifosng-provider/src/main/java/org/mifosng/platform/api/infrastructure/ApiDataConversionServiceImpl.java

@@ -15,6 +15,7 @@ import java.util.Map;
 import java.util.Set;
 
 import org.apache.commons.lang.StringUtils;
+import org.joda.time.DateTime;
 import org.joda.time.LocalDate;
 import org.joda.time.format.DateTimeFormat;
 import org.mifosng.platform.api.commands.AdjustLoanTransactionCommand;
@@ -32,7 +33,11 @@ import org.mifosng.platform.api.commands.SubmitLoanApplicationCommand;
 import org.mifosng.platform.api.commands.UserCommand;
 import org.mifosng.platform.api.data.ApiParameterError;
 import org.mifosng.platform.api.data.AppUserData;
+import org.mifosng.platform.api.data.ClientData;
+import org.mifosng.platform.api.data.ClientLoanAccountSummaryCollectionData;
+import org.mifosng.platform.api.data.ConfigurationData;
 import org.mifosng.platform.api.data.FundData;
+import org.mifosng.platform.api.data.NoteData;
 import org.mifosng.platform.api.data.OfficeData;
 import org.mifosng.platform.api.data.OfficeTransactionData;
 import org.mifosng.platform.api.data.PermissionData;
@@ -62,6 +67,144 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		gsonConverter = new Gson();
 	}
 	
+	@Override
+	public String convertNoteDataToJson(final boolean prettyPrint, final Set<String> responseParameters, final NoteData... notes) {
+		Set<String> supportedParameters = new HashSet<String>(
+				Arrays.asList("id", "clientId", "loanId", "loanTransactionId", "noteType", "note", "createdById", "createdByUsername", 
+						"createdOn", "updatedById", "updatedByUsername", "updatedOn")
+		);
+		
+		final Set<String> parameterNamesToSkip = new HashSet<String>();
+		
+		if (!responseParameters.isEmpty()) {
+			if (!supportedParameters.containsAll(responseParameters)) {
+				throw new UnsupportedParameterException(new ArrayList<String>(responseParameters));
+			}
+			
+			parameterNamesToSkip.addAll(supportedParameters);
+			parameterNamesToSkip.removeAll(responseParameters);
+		}
+		
+		ExclusionStrategy strategy = new ParameterListExclusionStrategy(parameterNamesToSkip);
+		
+		GsonBuilder builder = new GsonBuilder().addSerializationExclusionStrategy(strategy);
+		builder.registerTypeAdapter(LocalDate.class, new JodaLocalDateAdapter());
+		builder.registerTypeAdapter(DateTime.class, new JodaDateTimeAdapter());
+		if (prettyPrint) {
+			builder.setPrettyPrinting();
+		}
+		Gson gsonDeserializer = builder.create();
+		
+		String json = "";
+		if (notes != null && notes.length == 1) {
+			json = gsonDeserializer.toJson(notes[0]);
+		} else {
+			json = gsonDeserializer.toJson(notes);
+		}
+		
+		return json;
+	}
+	
+	@Override
+	public String convertClientLoanAccountSummaryCollectionDataToJson(final boolean prettyPrint, final Set<String> responseParameters,
+			final ClientLoanAccountSummaryCollectionData clientAccountsData) {
+		Set<String> supportedParameters = new HashSet<String>(
+				Arrays.asList("pendingApprovalLoans", "awaitingDisbursalLoans", "openLoans", "closedLoans")
+		);
+		
+		final Set<String> parameterNamesToSkip = new HashSet<String>();
+		
+		if (!responseParameters.isEmpty()) {
+			if (!supportedParameters.containsAll(responseParameters)) {
+				throw new UnsupportedParameterException(new ArrayList<String>(responseParameters));
+			}
+			
+			parameterNamesToSkip.addAll(supportedParameters);
+			parameterNamesToSkip.removeAll(responseParameters);
+		}
+		
+		ExclusionStrategy strategy = new ParameterListExclusionStrategy(parameterNamesToSkip);
+		
+		GsonBuilder builder = new GsonBuilder().addSerializationExclusionStrategy(strategy);
+		builder.registerTypeAdapter(LocalDate.class, new JodaLocalDateAdapter());
+		if (prettyPrint) {
+			builder.setPrettyPrinting();
+		}
+		Gson gsonDeserializer = builder.create();
+		
+		return gsonDeserializer.toJson(clientAccountsData);
+	}
+	
+	@Override
+	public String convertClientDataToJson(final boolean prettyPrint, final Set<String> responseParameters, final ClientData... clients) {
+		Set<String> supportedParameters = new HashSet<String>(
+				Arrays.asList("id", "officeId", "officeName", "externalId", "firstname", "lastname", "joinedDate", "displayName", "allowedOffices")
+		);
+		
+		final Set<String> parameterNamesToSkip = new HashSet<String>();
+		
+		if (!responseParameters.isEmpty()) {
+			if (!supportedParameters.containsAll(responseParameters)) {
+				throw new UnsupportedParameterException(new ArrayList<String>(responseParameters));
+			}
+			
+			parameterNamesToSkip.addAll(supportedParameters);
+			parameterNamesToSkip.removeAll(responseParameters);
+		}
+		
+		ExclusionStrategy strategy = new ParameterListExclusionStrategy(parameterNamesToSkip);
+		
+		GsonBuilder builder = new GsonBuilder().addSerializationExclusionStrategy(strategy);
+		builder.registerTypeAdapter(LocalDate.class, new JodaLocalDateAdapter());
+		if (prettyPrint) {
+			builder.setPrettyPrinting();
+		}
+		Gson gsonDeserializer = builder.create();
+		
+		String json = "";
+		if (clients != null && clients.length == 1) {
+			json = gsonDeserializer.toJson(clients[0]);
+		} else {
+			json = gsonDeserializer.toJson(clients);
+		}
+		
+		return json;
+	}
+	
+	@Override
+	public String convertConfigurationDataToJson(final boolean prettyPrint, final Set<String> responseParameters, final ConfigurationData... configuration) {
+		Set<String> supportedParameters = new HashSet<String>(Arrays.asList("selectedCurrencyOptions", "currencyOptions"));
+		
+		final Set<String> parameterNamesToSkip = new HashSet<String>();
+		
+		if (!responseParameters.isEmpty()) {
+			if (!supportedParameters.containsAll(responseParameters)) {
+				throw new UnsupportedParameterException(new ArrayList<String>(responseParameters));
+			}
+			
+			parameterNamesToSkip.addAll(supportedParameters);
+			parameterNamesToSkip.removeAll(responseParameters);
+		}
+		
+		ExclusionStrategy strategy = new ParameterListExclusionStrategy(parameterNamesToSkip);
+		
+		GsonBuilder builder = new GsonBuilder().addSerializationExclusionStrategy(strategy);
+		builder.registerTypeAdapter(LocalDate.class, new JodaLocalDateAdapter());
+		if (prettyPrint) {
+			builder.setPrettyPrinting();
+		}
+		Gson gsonDeserializer = builder.create();
+		
+		String json = "";
+		if (configuration != null && configuration.length == 1) {
+			json = gsonDeserializer.toJson(configuration[0]);
+		} else {
+			json = gsonDeserializer.toJson(configuration);
+		}
+		
+		return json;
+	}
+	
 	@Override
 	public String convertOfficeTransactionDataToJson(final boolean prettyPrint, final Set<String> responseParameters, final OfficeTransactionData... officeTransactions) {
 		Set<String> supportedParameters = new HashSet<String>(Arrays.asList("transactionDate", "currencyOptions", "allowedOffices"));
@@ -86,7 +229,14 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		}
 		Gson gsonDeserializer = builder.create();
 		
-		return gsonDeserializer.toJson(officeTransactions);
+		String json = "";
+		if (officeTransactions != null && officeTransactions.length == 1) {
+			json = gsonDeserializer.toJson(officeTransactions[0]);
+		} else {
+			json = gsonDeserializer.toJson(officeTransactions);
+		}
+		
+		return json;
 	}
 
 	@Override
@@ -115,7 +265,14 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		}
 		Gson gsonDeserializer = builder.create();
 		
-		return gsonDeserializer.toJson(users);
+		String json = "";
+		if (users != null && users.length == 1) {
+			json = gsonDeserializer.toJson(users[0]);
+		} else {
+			json = gsonDeserializer.toJson(users);
+		}
+		
+		return json;
 	}
 	
 	@Override
@@ -142,7 +299,14 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		}
 		Gson gsonDeserializer = builder.create();
 		
-		return gsonDeserializer.toJson(roles);
+		String json = "";
+		if (roles != null && roles.length == 1) {
+			json = gsonDeserializer.toJson(roles[0]);
+		} else {
+			json = gsonDeserializer.toJson(roles);
+		}
+		
+		return json;
 	}
 	
 	@Override
@@ -170,7 +334,14 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		}
 		Gson gsonDeserializer = builder.create();
 		
-		return gsonDeserializer.toJson(permissions);
+		String json = "";
+		if (permissions != null && permissions.length == 1) {
+			json = gsonDeserializer.toJson(permissions[0]);
+		} else {
+			json = gsonDeserializer.toJson(permissions);
+		}
+		
+		return json;
 	}
 	
 	@Override
@@ -199,7 +370,14 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		}
 		Gson gsonDeserializer = builder.create();
 		
-		return gsonDeserializer.toJson(offices);
+		String json = "";
+		if (offices != null && offices.length == 1) {
+			json = gsonDeserializer.toJson(offices[0]);
+		} else {
+			json = gsonDeserializer.toJson(offices);
+		}
+		
+		return json;
 	}
 	
 	@Override
@@ -226,7 +404,14 @@ public class ApiDataConversionServiceImpl implements ApiDataConversionService {
 		}
 		Gson gsonDeserializer = builder.create();
 		
-		return gsonDeserializer.toJson(funds);
+		String json = "";
+		if (funds != null && funds.length == 1) {
+			json = gsonDeserializer.toJson(funds[0]);
+		} else {
+			json = gsonDeserializer.toJson(funds);
+		}
+		
+		return json;
 	}
 	
 	@Override

mifosng-provider/src/main/java/org/mifosng/platform/api/infrastructure/JodaDateTimeAdapter.java

@@ -0,0 +1,28 @@
+package org.mifosng.platform.api.infrastructure;
+
+import java.lang.reflect.Type;
+
+import org.joda.time.DateTime;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+/**
+ * Serializer for joda time {@link DateTime} that returns date as long to match previous functionality.
+ */
+public class JodaDateTimeAdapter implements JsonSerializer<DateTime> {
+
+	@Override
+	public JsonElement serialize(DateTime src, Type typeOfSrc, JsonSerializationContext context) {
+		
+		JsonElement element = null;
+		if (src != null) {
+			element = new JsonPrimitive(src.getMillis());
+		}
+		
+		return element;
+	}
+
+}

mifosng-provider/src/main/java/org/mifosng/platform/client/service/ClientReadPlatformService.java

@@ -14,8 +14,7 @@ public interface ClientReadPlatformService {
 
 	ClientData retrieveNewClientDetails();
 
-	ClientLoanAccountSummaryCollectionData retrieveClientAccountDetails(
-			Long clientId);
+	ClientLoanAccountSummaryCollectionData retrieveClientAccountDetails(Long clientId);
 
 	Collection<NoteData> retrieveAllClientNotes(Long clientId);
 

mifosng-provider/src/main/java/org/mifosng/platform/client/service/ClientReadPlatformServiceImpl.java

@@ -65,8 +65,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
 	}
 
 	@Override
-	public Collection<ClientData> retrieveAllIndividualClients(
-			String extraCriteria) {
+	public Collection<ClientData> retrieveAllIndividualClients(final String extraCriteria) {
 
 		this.context.authenticatedUser();
 
@@ -112,13 +111,8 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
 		List<OfficeLookup> offices = new ArrayList<OfficeLookup>(
 				officeReadPlatformService.retrieveAllOfficesForLookup());
 
-		ClientData clientData = new ClientData();
-		clientData.setOfficeId(currentUser.getOffice().getId());
-		clientData.setAllowedOffices(offices);
-
-		clientData.setJoinedDate(new LocalDate());
-
-		return clientData;
+		final Long officeId = currentUser.getOffice().getId();
+		return new ClientData(officeId, new LocalDate(), offices);
 	}
 
 	private static final class ClientMapper implements RowMapper<ClientData> {

mifosng-provider/src/main/java/org/mifosng/platform/configuration/service/ConfigurationReadPlatformServiceImpl.java

@@ -21,15 +21,14 @@ public class ConfigurationReadPlatformServiceImpl implements ConfigurationReadPl
 
 	@Override
 	public ConfigurationData retrieveCurrencyConfiguration() {
+		
 		List<CurrencyData> selectedCurrencyOptions = new ArrayList<CurrencyData>(this.currencyReadPlatformService.retrieveAllowedCurrencies());
 		List<CurrencyData> currencyOptions = new ArrayList<CurrencyData>(this.currencyReadPlatformService.retrieveAllPlatformCurrencies());
 
 		// remove selected currency options
 		currencyOptions.removeAll(selectedCurrencyOptions);
 		
-		ConfigurationData configurationData = new ConfigurationData();
-		configurationData.setCurrencyOptions(currencyOptions);
-		configurationData.setSelectedCurrencyOptions(selectedCurrencyOptions);
+		ConfigurationData configurationData = new ConfigurationData(currencyOptions, selectedCurrencyOptions);
 		
 		return configurationData;
 	}