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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.onap.so.bpmn.common.workflow.service;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.activation.DataHandler;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
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.core.Response;
import javax.ws.rs.ext.Provider;
import org.apache.cxf.jaxrs.ext.multipart.Attachment;
import org.apache.cxf.jaxrs.ext.multipart.Multipart;
import org.onap.so.db.catalog.client.CatalogDbClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import net.minidev.json.JSONObject;
/**
*
* @version 1.0 Support SO workflow/script onboarding and recipe update
*/
@Path("/hotmanagement")
@Api(value = "/hotmanage", description = "Provides support for the workflow hot onboarding and recipe update")
@Provider
@Component
public class WorkflowOnboardingSupport extends ProcessEngineAwareService {
protected static final Logger logger = LoggerFactory.getLogger(WorkflowOnboardingSupport.class);
@Autowired
private CatalogDbClient catalogDbClient;
/**
* Get all workflow packages including all bpmn infos.
*
* @return
*/
@GET
@ApiOperation(value = "Get all workflow packages", notes = "Get all workflow packages")
@Path("/workflowPackages")
public Response getWorkflowPackages() {
Map<String, List<String>> packages = getPackages();
List<Map<String, Object>> packageList = new ArrayList<Map<String, Object>>();
for (Entry<String, List<String>> entry : packages.entrySet()) {
Map<String, Object> packageInfo = new HashMap<String, Object>();
packageInfo.put("packageName", entry.getKey());
packageInfo.put("orchestrationFlows", entry.getValue());
packageList.add(packageInfo);
}
Map<String, List<Map<String, Object>>> mapPackages = new HashMap<String, List<Map<String, Object>>>();
mapPackages.put("workflowPackages", packageList);
String resp = JSONObject.toJSONString(mapPackages);
return Response.status(200).header("Access-Control-Allow-Origin", "*").entity(resp).build();
}
/**
* Get the package info from the local system.
*
* @return
*/
private Map<String, List<String>> getPackages() {
String pkgDir = "/camunda/webapps/";
File packageFile = new File(pkgDir);
String[] packageList = packageFile.list();
Map<String, List<String>> mapPackage = new HashMap<String, List<String>>();
for (String strPkgFileName : packageList) {
if (strPkgFileName.endsWith(".war")) {
String fileName = strPkgFileName.substring(0, strPkgFileName.length() - ".war".length());
String flowsDir = pkgDir + fileName + "/WEB-INF/classes/";
if ("mso".equals(fileName)) {
flowsDir = pkgDir + fileName + "/WEB-INF/classes/process/";
}
File flowFile = new File(flowsDir);
if (!flowFile.isDirectory()) {
continue;
}
String[] flowFileNames = flowFile.list();
List<String> orchestrationFlows = new ArrayList<String>();
for (String flowFileName : flowFileNames) {
if (flowFileName.endsWith(".bpmn")) {
orchestrationFlows.add(flowFileName.substring(0, flowFileName.length() - ".bpmn".length()));
}
}
mapPackage.put(fileName, orchestrationFlows);
}
}
return mapPackage;
}
/**
* delete workflow package
*
* @param request the body of the request
* @return
*/
@DELETE
@Path("/workflowPackages/{packageName}")
@ApiOperation(value = "delete a service recipe", notes = "delete a service recipe")
@Produces("application/json")
@Consumes("application/json")
public Response deleteWorkflowPackage(@PathParam("packageName") String packageName) {
String pkgDir = "/camunda/webapps/";
File packageFile = new File(pkgDir + packageName + ".war");
if (packageFile.isFile()) {
packageFile.delete();
}
return Response.status(200).header("Access-Control-Allow-Origin", "*").build();
}
/**
* upload a workflow package to the server
*
* @param uploadInputStream upload stream
* @param disposition
* @return
*/
@POST
@Path("/workflowPackages/onboard")
@Consumes("multipart/form-data")
@Produces("application/json")
@ApiOperation(value = "Add a new service recipe", notes = "Add a new service recipe")
public Response onboardWorkflowPackage(@Multipart(value = "file") Attachment file) {
String msg = "Upload package finished.";
boolean isSuccess = false;
DataHandler dh = file.getDataHandler();
String fileName = "/camunda/webapps/" + dh.getName();
File saveFile = new File(fileName);
if (saveFile.isFile()) {
msg = "Upload package failed: The Package already exist";
} else {
try {
isSuccess = saveFile(dh.getInputStream(), fileName);
if (!isSuccess) {
msg = "Upload package failed: write file failed.";
}
} catch (IOException e) {
msg = "Upload package failed: Onboard File Exception!";
}
}
Map<String, String> result = new HashMap<String, String>();
result.put("result", String.valueOf(isSuccess));
result.put("message", msg);
String resp = JSONObject.toJSONString(result);
return Response.status(200).header("Access-Control-Allow-Origin", "*").entity(resp).build();
}
/**
* Write the stream to file
*
* @param uploadStream the stream need to writh
* @param file the destination file
*/
private boolean saveFile(InputStream uploadStream, String file) {
try {
OutputStream outStream = new FileOutputStream(new File(file));
int read = 0;
byte[] bytes = new byte[1024];
while ((read = uploadStream.read(bytes)) != -1) {
outStream.write(bytes, 0, read);
}
outStream.flush();
outStream.close();
} catch (IOException e) {
logger.info("write stream to file failed");
return false;
}
return true;
}
}
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