| /** |
| * 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 org.apache.fineract.infrastructure.core.serialization; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| import org.apache.fineract.infrastructure.core.service.Page; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.stereotype.Component; |
| |
| import com.google.gson.Gson; |
| |
| /** |
| * An abstract helper implementation of {@link ToApiJsonSerializer} for |
| * resources to serialize their Java data objects into JSON. |
| */ |
| @Component |
| public final class DefaultToApiJsonSerializer<T> implements ToApiJsonSerializer<T> { |
| |
| private final ExcludeNothingWithPrettyPrintingOffJsonSerializerGoogleGson excludeNothingWithPrettyPrintingOff; |
| private final ExcludeNothingWithPrettyPrintingOnJsonSerializerGoogleGson excludeNothingWithPrettyPrintingOn; |
| private final CommandProcessingResultJsonSerializer commandProcessingResultSerializer; |
| private final GoogleGsonSerializerHelper helper; |
| |
| @Autowired |
| public DefaultToApiJsonSerializer( |
| final ExcludeNothingWithPrettyPrintingOffJsonSerializerGoogleGson excludeNothingWithPrettyPrintingOff, |
| final ExcludeNothingWithPrettyPrintingOnJsonSerializerGoogleGson excludeNothingWithPrettyPrintingOn, |
| final CommandProcessingResultJsonSerializer commandProcessingResultSerializer, final GoogleGsonSerializerHelper helper) { |
| this.excludeNothingWithPrettyPrintingOff = excludeNothingWithPrettyPrintingOff; |
| this.excludeNothingWithPrettyPrintingOn = excludeNothingWithPrettyPrintingOn; |
| this.commandProcessingResultSerializer = commandProcessingResultSerializer; |
| this.helper = helper; |
| } |
| |
| @Override |
| public String serializeResult(final Object object) { |
| return this.commandProcessingResultSerializer.serialize(object); |
| } |
| |
| @Override |
| public String serialize(final Object object) { |
| return this.excludeNothingWithPrettyPrintingOff.serialize(object); |
| } |
| |
| @Override |
| public String serializePretty(final boolean prettyOn, final Object object) { |
| String json = ""; |
| |
| if (prettyOn) { |
| json = this.excludeNothingWithPrettyPrintingOn.serialize(object); |
| } else { |
| json = serialize(object); |
| } |
| return json; |
| } |
| |
| @Override |
| public String serialize(final ApiRequestJsonSerializationSettings settings, final Collection<T> collection, |
| final Set<String> supportedResponseParameters) { |
| final Gson delegatedSerializer = findAppropriateSerializer(settings, supportedResponseParameters); |
| return serializeWithSettings(delegatedSerializer, settings, collection.toArray()); |
| } |
| |
| @Override |
| public String serialize(final ApiRequestJsonSerializationSettings settings, final T singleObject, |
| final Set<String> supportedResponseParameters) { |
| final Gson delegatedSerializer = findAppropriateSerializer(settings, supportedResponseParameters); |
| return serializeWithSettings(delegatedSerializer, settings, singleObject); |
| } |
| |
| @Override |
| public String serialize(final ApiRequestJsonSerializationSettings settings, final Page<T> singleObject, |
| final Set<String> supportedResponseParameters) { |
| final Gson delegatedSerializer = findAppropriateSerializer(settings, supportedResponseParameters); |
| return serializeWithSettings(delegatedSerializer, settings, singleObject); |
| } |
| |
| @Override |
| public String serialize(final ApiRequestJsonSerializationSettings settings, final Collection<T> collection) { |
| final Gson delegatedSerializer = findAppropriateSerializer(settings); |
| return serializeWithSettings(delegatedSerializer, settings, collection.toArray()); |
| } |
| |
| @Override |
| public String serialize(final ApiRequestJsonSerializationSettings settings, final T singleObject) { |
| final Gson delegatedSerializer = findAppropriateSerializer(settings); |
| return serializeWithSettings(delegatedSerializer, settings, singleObject); |
| } |
| |
| @Override |
| public String serialize(final ApiRequestJsonSerializationSettings settings, final Page<T> singleObject) { |
| final Gson delegatedSerializer = findAppropriateSerializer(settings); |
| return serializeWithSettings(delegatedSerializer, settings, singleObject); |
| } |
| |
| private String serializeWithSettings(final Gson gson, final ApiRequestJsonSerializationSettings settings, final Object[] dataObject) { |
| String json = null; |
| if (gson != null) { |
| json = this.helper.serializedJsonFrom(gson, dataObject); |
| } else { |
| if (settings.isPrettyPrint()) { |
| json = this.excludeNothingWithPrettyPrintingOn.serialize(dataObject); |
| } else { |
| json = serialize(dataObject); |
| } |
| } |
| return json; |
| } |
| |
| private String serializeWithSettings(final Gson gson, final ApiRequestJsonSerializationSettings settings, final Object dataObject) { |
| String json = null; |
| if (gson != null) { |
| json = this.helper.serializedJsonFrom(gson, dataObject); |
| } else { |
| if (settings.isPrettyPrint()) { |
| json = this.excludeNothingWithPrettyPrintingOn.serialize(dataObject); |
| } else { |
| json = serialize(dataObject); |
| } |
| } |
| return json; |
| } |
| |
| private Gson findAppropriateSerializer(final ApiRequestJsonSerializationSettings settings, final Set<String> supportedResponseParameters) { |
| Gson gson = null; |
| if (settings.isPartialResponseRequired()) { |
| gson = this.helper.createGsonBuilderWithParameterExclusionSerializationStrategy(supportedResponseParameters, |
| settings.isPrettyPrint(), settings.getParametersForPartialResponse()); |
| } |
| return gson; |
| } |
| |
| private Gson findAppropriateSerializer(final ApiRequestJsonSerializationSettings settings) { |
| Gson gson = null; |
| if (settings.isPartialResponseRequired()) { |
| gson = this.helper.createGsonBuilderForPartialResponseFiltering(settings.isPrettyPrint(), |
| settings.getParametersForPartialResponse()); |
| } |
| return gson; |
| } |
| } |