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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.servlets;
import com.fasterxml.jackson.annotation.JsonFilter;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter.SerializeExceptFilter;
import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
import com.google.common.collect.ImmutableMap;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang3.StringUtils;
import org.openecomp.sdc.be.components.impl.exceptions.ByActionStatusComponentException;
import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
import org.openecomp.sdc.be.model.ArtifactDefinition;
import org.openecomp.sdc.be.model.InterfaceDefinition;
import org.openecomp.sdc.be.model.Resource;
import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.log.wrappers.Logger;
public class RepresentationUtils {
private static final Logger log = Logger.getLogger(RepresentationUtils.class);
private static final String EMPTY = "empty";
private static final String REMOVE_IS_EMPTY_FROM_COLLECTIONS_FILTER = "removeIsEmptyFromCollections";
private static final ImmutableMap<Class<?>, Class<?>> IS_EMPTY_FILTER_MIXIN = ImmutableMap.<Class<?>, Class<?>>builder()
.put(Collection.class, IsEmptyFilterMixIn.class).put(List.class, IsEmptyFilterMixIn.class).put(Set.class, IsEmptyFilterMixIn.class)
.put(HashMap.class, IsEmptyFilterMixIn.class).put(ArrayList.class, IsEmptyFilterMixIn.class).put(HashSet.class, IsEmptyFilterMixIn.class)
.put(InterfaceDefinition.class, IsEmptyFilterMixIn.class).put(Resource.class, IsEmptyFilterMixIn.class)
.put(ToscaDataDefinition.class, IsEmptyFilterMixIn.class).build();
public static ArtifactDefinition convertJsonToArtifactDefinitionForUpdate(String content, Class<ArtifactDefinition> clazz) {
JsonObject jsonElement = new JsonObject();
ArtifactDefinition resourceInfo = null;
try {
Gson gson = new Gson();
jsonElement = gson.fromJson(content, jsonElement.getClass());
String payload = null;
jsonElement.remove(Constants.ARTIFACT_GROUP_TYPE);
//in update the group type is ignored but this spagheti code makes it too complex to remove this field.
jsonElement.addProperty(Constants.ARTIFACT_GROUP_TYPE, ArtifactGroupTypeEnum.INFORMATIONAL.getType());
JsonElement artifactPayload = jsonElement.get(Constants.ARTIFACT_PAYLOAD_DATA);
if (artifactPayload != null && !artifactPayload.isJsonNull()) {
payload = artifactPayload.getAsString();
}
jsonElement.remove(Constants.ARTIFACT_PAYLOAD_DATA);
String json = gson.toJson(jsonElement);
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
resourceInfo = mapper.readValue(json, clazz);
resourceInfo.setPayloadData(payload);
} catch (Exception e) {
BeEcompErrorManager.getInstance().logBeArtifactInformationInvalidError("Artifact Upload / Update");
log.debug("Failed to convert the content {} to object.", content.substring(0, Math.min(50, content.length())), e);
}
return resourceInfo;
}
/**
* Build Representation of given Object
*
* @param elementToRepresent
* @return
* @throws IOException
*/
public static <T> Object toRepresentation(T elementToRepresent) throws IOException {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
return mapper.writeValueAsString(elementToRepresent);
}
public static <T> T fromRepresentation(String json, Class<T> clazz) {
ObjectMapper mapper = new ObjectMapper();
T object = null;
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
try {
object = mapper.readValue(json, clazz);
} catch (Exception e) {
log.error("Error when parsing JSON of object of type {}", clazz.getSimpleName(), e);
} // return null in case of exception
return object;
}
public static ArtifactDefinition convertJsonToArtifactDefinition(String content, Class<ArtifactDefinition> clazz, boolean validateTimeout) {
JsonObject jsonElement = new JsonObject();
ArtifactDefinition resourceInfo = null;
if (StringUtils.isEmpty(content)) {
throw new ByActionStatusComponentException(ActionStatus.MISSING_BODY);
}
try {
Gson gson = new Gson();
jsonElement = gson.fromJson(content, jsonElement.getClass());
JsonElement artifactGroupValue = jsonElement.get(Constants.ARTIFACT_GROUP_TYPE);
HashMap<String, JsonElement> elementsToValidate = new HashMap<>();
elementsToValidate.put(Constants.ARTIFACT_GROUP_TYPE, artifactGroupValue);
elementsToValidate.put(Constants.ARTIFACT_TYPE, jsonElement.get(Constants.ARTIFACT_TYPE));
elementsToValidate.put(Constants.ARTIFACT_LABEL, (jsonElement.get(Constants.ARTIFACT_LABEL)));
if (validateTimeout) {
elementsToValidate.put(Constants.ARTIFACT_TIMEOUT, jsonElement.get(Constants.ARTIFACT_TIMEOUT));
}
validateMandatoryProperties(elementsToValidate);
if (artifactGroupValue != null && !artifactGroupValue.isJsonNull()) {
String groupValueUpper = artifactGroupValue.getAsString().toUpperCase();
if (!ArtifactGroupTypeEnum.getAllTypes().contains(groupValueUpper)) {
StringBuilder sb = new StringBuilder();
for (String value : ArtifactGroupTypeEnum.getAllTypes()) {
sb.append(value).append(", ");
}
log.debug("artifactGroupType is {}. valid values are: {}", groupValueUpper, sb);
return null;
} else {
jsonElement.remove(Constants.ARTIFACT_GROUP_TYPE);
jsonElement.addProperty(Constants.ARTIFACT_GROUP_TYPE, groupValueUpper);
}
}
String payload = null;
JsonElement artifactPayload = jsonElement.get(Constants.ARTIFACT_PAYLOAD_DATA);
if (artifactPayload != null && !artifactPayload.isJsonNull()) {
payload = artifactPayload.getAsString();
}
jsonElement.remove(Constants.ARTIFACT_PAYLOAD_DATA);
String json = gson.toJson(jsonElement);
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
resourceInfo = mapper.readValue(json, clazz);
resourceInfo.setPayloadData(payload);
} catch (ComponentException ce) {
BeEcompErrorManager.getInstance().logBeArtifactInformationInvalidError("Artifact Upload / Update");
log.debug("Failed to convert the content {} to object.", content.substring(0, Math.min(50, content.length())), ce);
throw ce;
} catch (Exception e) {
BeEcompErrorManager.getInstance().logBeArtifactInformationInvalidError("Artifact Upload / Update");
log.debug("Failed to convert the content {} to object.", content.substring(0, Math.min(50, content.length())), e);
}
return resourceInfo;
}
private static void validateMandatoryProperties(HashMap<String, JsonElement> elementsByName) {
elementsByName.forEach((name, element) -> {
if (element == null) {
throw new ByActionStatusComponentException(ActionStatus.MISSING_MANDATORY_PROPERTY, name);
}
if (element.isJsonNull()) {
throw new ByActionStatusComponentException(ActionStatus.MANDATORY_PROPERTY_MISSING_VALUE, name);
}
});
}
public static <T> Object toFilteredRepresentation(T elementToRepresent) throws IOException {
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
mapper.setMixIns(IS_EMPTY_FILTER_MIXIN);
return mapper
.writer(new SimpleFilterProvider().addFilter(REMOVE_IS_EMPTY_FROM_COLLECTIONS_FILTER, SerializeExceptFilter.serializeAllExcept(EMPTY)))
.writeValueAsString(elementToRepresent);
}
@JsonFilter(REMOVE_IS_EMPTY_FROM_COLLECTIONS_FILTER)
private static class IsEmptyFilterMixIn {
}
}
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