Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package com.gst.portfolio.client.api; import java.util.Arrays; import java.util.Collection; import java.util.Set; import javax.ws.rs.Consumes; import javax.ws.rs.DELETE; import javax.ws.rs.DefaultValue; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.Context; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.UriInfo; import org.apache.commons.lang.StringUtils; import com.gst.commands.domain.CommandWrapper; import com.gst.commands.service.CommandWrapperBuilder; import com.gst.commands.service.PortfolioCommandSourceWritePlatformService; import com.gst.infrastructure.core.api.ApiParameterHelper; import com.gst.infrastructure.core.api.ApiRequestParameterHelper; import com.gst.infrastructure.core.data.CommandProcessingResult; import com.gst.infrastructure.core.exception.UnrecognizedQueryParamException; import com.gst.infrastructure.core.serialization.ApiRequestJsonSerializationSettings; import com.gst.infrastructure.core.serialization.DefaultToApiJsonSerializer; import com.gst.infrastructure.core.service.Page; import com.gst.infrastructure.core.service.SearchParameters; import com.gst.infrastructure.security.service.PlatformSecurityContext; import com.gst.portfolio.charge.data.ChargeData; import com.gst.portfolio.charge.service.ChargeReadPlatformService; import com.gst.portfolio.client.data.ClientChargeData; import com.gst.portfolio.client.data.ClientTransactionData; import com.gst.portfolio.client.service.ClientChargeReadPlatformService; import com.gst.portfolio.client.service.ClientTransactionReadPlatformService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import org.springframework.util.CollectionUtils; @Path("/clients/{clientId}/charges") @Component public class ClientChargesApiResource { private final PlatformSecurityContext context; private final ChargeReadPlatformService chargeReadPlatformService; private final ClientChargeReadPlatformService clientChargeReadPlatformService; private final ClientTransactionReadPlatformService clientTransactionReadPlatformService; private final DefaultToApiJsonSerializer<ClientChargeData> toApiJsonSerializer; private final ApiRequestParameterHelper apiRequestParameterHelper; private final PortfolioCommandSourceWritePlatformService commandsSourceWritePlatformService; @Autowired public ClientChargesApiResource(final PlatformSecurityContext context, final ChargeReadPlatformService chargeReadPlatformService, final ClientChargeReadPlatformService clientChargeReadPlatformService, final DefaultToApiJsonSerializer<ClientChargeData> toApiJsonSerializer, final ApiRequestParameterHelper apiRequestParameterHelper, final PortfolioCommandSourceWritePlatformService commandsSourceWritePlatformService, final ClientTransactionReadPlatformService clientTransactionReadPlatformService) { this.context = context; this.chargeReadPlatformService = chargeReadPlatformService; this.clientChargeReadPlatformService = clientChargeReadPlatformService; this.toApiJsonSerializer = toApiJsonSerializer; this.apiRequestParameterHelper = apiRequestParameterHelper; this.commandsSourceWritePlatformService = commandsSourceWritePlatformService; this.clientTransactionReadPlatformService = clientTransactionReadPlatformService; } @GET @Consumes({ MediaType.APPLICATION_JSON }) @Produces({ MediaType.APPLICATION_JSON }) public String retrieveAllClientCharges(@PathParam("clientId") final Long clientId, @DefaultValue(ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_ALL) @QueryParam(ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS) final String chargeStatus, @QueryParam("pendingPayment") final Boolean pendingPayment, @Context final UriInfo uriInfo, @QueryParam("limit") final Integer limit, @QueryParam("offset") final Integer offset) { this.context.authenticatedUser().validateHasReadPermission(ClientApiConstants.CLIENT_CHARGES_RESOURCE_NAME); final ApiRequestJsonSerializationSettings settings = this.apiRequestParameterHelper .process(uriInfo.getQueryParameters()); if (!(is(chargeStatus, ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_ALL) || is(chargeStatus, ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_ACTIVE) || is(chargeStatus, ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_INACTIVE))) { throw new UnrecognizedQueryParamException(ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS, chargeStatus, new Object[] { ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_ALL, ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_ACTIVE, ClientApiConstants.CLIENT_CHARGE_QUERY_PARAM_STATUS_VALUE_INACTIVE }); } final SearchParameters searchParameters = SearchParameters.forPagination(offset, limit); final Page<ClientChargeData> clientCharges = this.clientChargeReadPlatformService .retrieveClientCharges(clientId, chargeStatus, pendingPayment, searchParameters); return this.toApiJsonSerializer.serialize(settings, clientCharges, ClientApiConstants.CLIENT_CHARGES_RESPONSE_DATA_PARAMETERS); } private boolean is(final String commandParam, final String commandValue) { return StringUtils.isNotBlank(commandParam) && commandParam.trim().equalsIgnoreCase(commandValue); } @GET @Path("template") @Consumes({ MediaType.APPLICATION_JSON }) @Produces({ MediaType.APPLICATION_JSON }) public String retrieveTemplate(@Context final UriInfo uriInfo) { this.context.authenticatedUser().validateHasReadPermission(ClientApiConstants.CLIENT_CHARGES_RESOURCE_NAME); final Collection<ChargeData> chargeOptions = this.chargeReadPlatformService .retrieveAllChargesApplicableToClients(); final ClientChargeData clientChargeData = ClientChargeData.template(chargeOptions); final ApiRequestJsonSerializationSettings settings = this.apiRequestParameterHelper .process(uriInfo.getQueryParameters()); return this.toApiJsonSerializer.serialize(settings, clientChargeData, ClientApiConstants.CLIENT_CHARGES_RESPONSE_DATA_PARAMETERS); } @GET @Path("{chargeId}") @Consumes({ MediaType.APPLICATION_JSON }) @Produces({ MediaType.APPLICATION_JSON }) public String retrieveClientCharge(@PathParam("clientId") final Long clientId, @PathParam("chargeId") final Long chargeId, @Context final UriInfo uriInfo) { this.context.authenticatedUser().validateHasReadPermission(ClientApiConstants.CLIENT_CHARGES_RESOURCE_NAME); ClientChargeData clientCharge = this.clientChargeReadPlatformService.retrieveClientCharge(clientId, chargeId); // extract associations final Set<String> associationParameters = ApiParameterHelper .extractAssociationsForResponseIfProvided(uriInfo.getQueryParameters()); if (!associationParameters.isEmpty()) { if (associationParameters.contains("all")) { associationParameters .addAll(Arrays.asList(ClientApiConstants.CLIENT_CHARGE_ASSOCIATIONS_TRANSACTIONS)); } ApiParameterHelper.excludeAssociationsForResponseIfProvided(uriInfo.getQueryParameters(), associationParameters); if (associationParameters.contains(ClientApiConstants.CLIENT_CHARGE_ASSOCIATIONS_TRANSACTIONS)) { Collection<ClientTransactionData> clientTransactionDatas = this.clientTransactionReadPlatformService .retrieveAllTransactions(clientId, chargeId); if (!CollectionUtils.isEmpty(clientTransactionDatas)) { clientCharge = ClientChargeData.addAssociations(clientCharge, clientTransactionDatas); } } } final ApiRequestJsonSerializationSettings settings = this.apiRequestParameterHelper .process(uriInfo.getQueryParameters()); return this.toApiJsonSerializer.serialize(settings, clientCharge, ClientApiConstants.CLIENT_CHARGES_RESPONSE_DATA_PARAMETERS); } @POST @Consumes({ MediaType.APPLICATION_JSON }) @Produces({ MediaType.APPLICATION_JSON }) public String applyClientCharge(@PathParam("clientId") final Long clientId, final String apiRequestBodyAsJson) { final CommandWrapper commandRequest = new CommandWrapperBuilder().createClientCharge(clientId) .withJson(apiRequestBodyAsJson).build(); final CommandProcessingResult result = this.commandsSourceWritePlatformService .logCommandSource(commandRequest); return this.toApiJsonSerializer.serialize(result); } @POST @Path("{chargeId}") @Consumes({ MediaType.APPLICATION_JSON }) @Produces({ MediaType.APPLICATION_JSON }) public String payOrWaiveClientCharge(@PathParam("clientId") final Long clientId, @PathParam("chargeId") final Long chargeId, @QueryParam("command") final String commandParam, final String apiRequestBodyAsJson) { String json = ""; if (is(commandParam, ClientApiConstants.CLIENT_CHARGE_COMMAND_WAIVE_CHARGE)) { final CommandWrapper commandRequest = new CommandWrapperBuilder().waiveClientCharge(clientId, chargeId) .withJson(apiRequestBodyAsJson).build(); final CommandProcessingResult result = this.commandsSourceWritePlatformService .logCommandSource(commandRequest); json = this.toApiJsonSerializer.serialize(result); } else if (is(commandParam, ClientApiConstants.CLIENT_CHARGE_COMMAND_PAY_CHARGE)) { final CommandWrapper commandRequest = new CommandWrapperBuilder().payClientCharge(clientId, chargeId) .withJson(apiRequestBodyAsJson).build(); final CommandProcessingResult result = this.commandsSourceWritePlatformService .logCommandSource(commandRequest); json = this.toApiJsonSerializer.serialize(result); } else if (is(commandParam, ClientApiConstants.CLIENT_CHARGE_COMMAND_INACTIVATE_CHARGE)) { final CommandWrapper commandRequest = new CommandWrapperBuilder() .inactivateClientCharge(clientId, chargeId).build(); final CommandProcessingResult result = this.commandsSourceWritePlatformService .logCommandSource(commandRequest); json = this.toApiJsonSerializer.serialize(result); } else { throw new UnrecognizedQueryParamException("command", commandParam, ClientApiConstants.CLIENT_CHARGE_COMMAND_WAIVE_CHARGE, ClientApiConstants.CLIENT_CHARGE_COMMAND_PAY_CHARGE, ClientApiConstants.CLIENT_CHARGE_COMMAND_INACTIVATE_CHARGE); } return json; } @DELETE @Path("{chargeId}") @Consumes({ MediaType.APPLICATION_JSON }) @Produces({ MediaType.APPLICATION_JSON }) public String deleteClientCharge(@PathParam("clientId") final Long clientId, @PathParam("chargeId") final Long chargeId) { final CommandWrapper commandRequest = new CommandWrapperBuilder().deleteClientCharge(clientId, chargeId) .build(); final CommandProcessingResult result = this.commandsSourceWritePlatformService .logCommandSource(commandRequest); return this.toApiJsonSerializer.serialize(result); } }