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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* 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============================================
* ===================================================================
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.clamp.clds.service;
import com.att.ajsc.common.AjscService;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.onap.clamp.clds.dao.CldsDao;
import org.onap.clamp.clds.model.CldsTemplate;
import org.onap.clamp.clds.model.ValueItem;
import org.onap.clamp.clds.model.prop.ModelBpmn;
import org.onap.clamp.clds.transform.XslTransformer;
import org.camunda.bpm.engine.RuntimeService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.xml.transform.TransformerException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
/**
* Service to save and retrieve the CLDS model attributes.
*/
@AjscService
@Path("/cldsTempate")
public class CldsTemplateService extends SecureServiceBase {
private static final Logger logger = LoggerFactory.getLogger(CldsTemplateService.class);
private static final String collectorKey = "Collector";
private static final String stringMatchKey = "StringMatch";
private static final String policyKey = "Policy";
private static final String CLDS_PERMISSION_TYPE_TEMPLATE = System.getProperty("CLDS_PERMISSION_TYPE_TEMPLATE");
private static final String CLDS_PERMISSION_INSTANCE = System.getProperty("CLDS_PERMISSION_INSTANCE");
private static final SecureServicePermission PERMISSION_READ_TEMPLATE = SecureServicePermission.create(CLDS_PERMISSION_TYPE_TEMPLATE, CLDS_PERMISSION_INSTANCE, "read");
private static final SecureServicePermission PERMISSION_UPDATE_TEMPLATE = SecureServicePermission.create(CLDS_PERMISSION_TYPE_TEMPLATE, CLDS_PERMISSION_INSTANCE, "update");
@Autowired
private CldsDao cldsDao;
@Autowired
private RuntimeService runtimeService;
@Autowired
private XslTransformer cldsBpmnTransformer;
private static String userid;
/**
* REST service that retrieves BPMN for a CLDS template name from the database.
* This is subset of the json getModel.
* This is only expected to be used for testing purposes, not by the UI.
*
* @param templateName
* @return bpmn xml text - content of bpmn given name
*/
@GET
@Path("/template/bpmn/{templateName}")
@Produces(MediaType.TEXT_XML)
public String getBpmnTemplate(@PathParam("templateName") String templateName) {
isAuthorized(PERMISSION_READ_TEMPLATE);
logger.info("GET bpmnText for templateName=" + templateName);
CldsTemplate template = CldsTemplate.retrieve(cldsDao, templateName, false);
return template.getBpmnText();
}
/**
* REST service that saves BPMN for a CLDS template by name in the database.
* This is subset of the json putModel.
* This is only expected to be used for testing purposes, not by the UI.
*
* @param templateName
* @param bpmnText
*/
@PUT
@Path("/template/bpmn/{templateName}")
@Consumes(MediaType.TEXT_XML)
public String putBpmnTemplateXml(@PathParam("templateName") String templateName, String bpmnText) {
isAuthorized(PERMISSION_UPDATE_TEMPLATE);
logger.info("PUT bpmnText for templateName=" + templateName);
logger.info("PUT bpmnText=" + bpmnText);
CldsTemplate cldsTemplate = CldsTemplate.retrieve(cldsDao, templateName, true);
cldsTemplate.setBpmnText(bpmnText);
cldsTemplate.save(cldsDao, userid);
return "wrote bpmnText for templateName=" + templateName;
}
/**
* REST service that retrieves image for a CLDS template name from the database.
* This is subset of the json getModel.
* This is only expected to be used for testing purposes, not by the UI.
*
* @param templateName
* @return image xml text - content of image given name
*/
@GET
@Path("/template/image/{templateName}")
@Produces(MediaType.TEXT_XML)
public String getImageXml(@PathParam("templateName") String templateName) {
isAuthorized(PERMISSION_READ_TEMPLATE);
logger.info("GET imageText for templateName=" + templateName);
CldsTemplate template = CldsTemplate.retrieve(cldsDao, templateName, false);
return template.getImageText();
}
/**
* REST service that saves image for a CLDS template by name in the database.
* This is subset of the json putModel.
* This is only expected to be used for testing purposes, not by the UI.
*
* @param templateName
* @param imageText
*/
@PUT
@Path("/template/image/{templateName}")
@Consumes(MediaType.TEXT_XML)
public String putImageXml(@PathParam("templateName") String templateName, String imageText) {
isAuthorized(PERMISSION_UPDATE_TEMPLATE);
logger.info("PUT iamgeText for modelName=" + templateName);
logger.info("PUT imageText=" + imageText);
CldsTemplate cldsTemplate = CldsTemplate.retrieve(cldsDao, templateName, true);
cldsTemplate.setImageText(imageText);
cldsTemplate.save(cldsDao, userid);
return "wrote imageText for modelName=" + templateName;
}
/**
* REST service that retrieves a CLDS template by name from the database.
*
* @param templateName
* @return clds template - clds template for the given template name
*/
@GET
@Path("/template/{templateName}")
@Produces(MediaType.APPLICATION_JSON)
public CldsTemplate getTemplate(@PathParam("templateName") String templateName) {
isAuthorized(PERMISSION_READ_TEMPLATE);
logger.info("GET model for templateName=" + templateName);
return CldsTemplate.retrieve(cldsDao, templateName, false);
}
/**
* REST service that saves a CLDS template by name in the database.
*
* @param templateName
* @throws IOException
* @throws JsonMappingException
* @throws JsonParseException
*/
@PUT
@Path("/template/{templateName}")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public CldsTemplate putTemplate(@PathParam("templateName") String templateName, CldsTemplate cldsTemplate) throws TransformerException, IOException {
isAuthorized(PERMISSION_UPDATE_TEMPLATE);
logger.info("PUT Template for templateName=" + templateName);
logger.info("PUT bpmnText=" + cldsTemplate.getBpmnText());
logger.info("PUT propText=" + cldsTemplate.getPropText());
logger.info("PUT imageText=" + cldsTemplate.getImageText());
cldsTemplate.setName(templateName);
String bpmnText = cldsTemplate.getBpmnText();
String imageText = cldsTemplate.getImageText();
String propText = cldsTemplate.getPropText();
Map<String, String> newBpmnIdsMap = getNewBpmnIdsMap(bpmnText, cldsTemplate.getPropText());
for (String currBpmnId : newBpmnIdsMap.keySet()) {
if (currBpmnId != null && newBpmnIdsMap.get(currBpmnId) != null) {
bpmnText = bpmnText.replace(currBpmnId, newBpmnIdsMap.get(currBpmnId));
imageText = imageText.replace(currBpmnId, newBpmnIdsMap.get(currBpmnId));
propText = propText.replace(currBpmnId, newBpmnIdsMap.get(currBpmnId));
}
}
cldsTemplate.setBpmnText(bpmnText);
cldsTemplate.setImageText(imageText);
cldsTemplate.setPropText(propText);
logger.info(" bpmnText : " + cldsTemplate.getBpmnText());
logger.info(" Image Text : " + cldsTemplate.getImageText());
logger.info(" Prop Text : " + cldsTemplate.getPropText());
cldsTemplate.save(cldsDao, userid);
return cldsTemplate;
}
/**
* REST service that retrieves a list of CLDS template names.
*
* @return template names in JSON
*/
@GET
@Path("/template-names")
@Produces(MediaType.APPLICATION_JSON)
public List<ValueItem> getTemplateNames() {
isAuthorized(PERMISSION_READ_TEMPLATE);
logger.info("GET list of template names");
return cldsDao.getTemplateNames();
}
private Map<String, String> getNewBpmnIdsMap(String bpmnText, String propText) throws TransformerException, IOException {
/**
* Test sample code start
*/
String bpmnJson = cldsBpmnTransformer.doXslTransformToString(bpmnText);
ModelBpmn templateBpmn = ModelBpmn.create(bpmnJson);
List<String> bpmnElementIds = templateBpmn.getBpmnElementIds();
logger.info("value of elementIds:" + bpmnElementIds);
logger.info("value of prop text:" + propText);
Map<String, String> bpmnIoIdsMap = new HashMap<>();
if (bpmnElementIds != null && bpmnElementIds.size() > 0) {
ObjectMapper objectMapper = new ObjectMapper();
ObjectNode root = objectMapper.readValue(propText, ObjectNode.class);
Iterator<Entry<String, JsonNode>> entryItr = root.fields();
while (entryItr.hasNext()) {
// process the entry
Entry<String, JsonNode> entry = entryItr.next();
String keyPropName = entry.getKey();
for (String currElementId : bpmnElementIds) {
if (keyPropName != null && keyPropName.equalsIgnoreCase(currElementId)) {
ArrayNode arrayNode = (ArrayNode) entry.getValue();
// process each id/from object, like: {"id":"Collector_11r50j1", "from":"StartEvent_1"}
for (JsonNode anArrayNode : arrayNode) {
ObjectNode node = (ObjectNode) anArrayNode;
String valueNode = node.get("value").asText();
logger.info("value of node:" + valueNode);
if (keyPropName.startsWith(collectorKey)) {
valueNode = collectorKey + "_" + valueNode;
} else if (keyPropName.startsWith(stringMatchKey)) {
valueNode = stringMatchKey + "_" + valueNode;
} else if (keyPropName.startsWith(policyKey)) {
valueNode = policyKey + "_" + valueNode;
}
bpmnIoIdsMap.put(keyPropName, valueNode);
}
break;
}
}
}
}
logger.info("value of hashmap:" + bpmnIoIdsMap);
/**
* Test sample code end
*/
return bpmnIoIdsMap;
}
}
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