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*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
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package org.apache.airavata.rest.client;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.core.util.MultivaluedMapImpl;
import org.apache.airavata.registry.api.PasswordCallback;
import org.apache.airavata.registry.api.ResourceMetadata;
import org.apache.airavata.registry.api.exception.gateway.DescriptorAlreadyExistsException;
import org.apache.airavata.registry.api.exception.worker.UserWorkflowAlreadyExistsException;
import org.apache.airavata.rest.mappings.resourcemappings.Workflow;
import org.apache.airavata.rest.mappings.resourcemappings.WorkflowList;
import org.apache.airavata.rest.mappings.utils.ResourcePathConstants;
import org.apache.airavata.rest.utils.BasicAuthHeaderUtil;
import org.apache.airavata.rest.utils.ClientConstant;
import org.apache.airavata.rest.utils.CookieManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriBuilder;
import java.net.URI;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class UserWorkflowResourceClient {
private WebResource webResource;
private final static Logger logger = LoggerFactory.getLogger(UserWorkflowResourceClient.class);
private String userName;
private PasswordCallback callback;
private String baseURI;
private Cookie cookie;
private WebResource.Builder builder;
private String gateway;
// private CookieManager cookieManager = new CookieManager();
public UserWorkflowResourceClient(String userName,
String gateway,
String serviceURI,
PasswordCallback callback,
Cookie cookie) {
this.userName = userName;
this.callback = callback;
this.baseURI = serviceURI;
this.gateway = gateway;
this.cookie = cookie;
}
private URI getBaseURI() {
logger.debug("Creating Base URI");
return UriBuilder.fromUri(baseURI).build();
}
private com.sun.jersey.api.client.WebResource getUserWFRegistryBaseResource() {
ClientConfig config = new DefaultClientConfig();
config.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING,
Boolean.TRUE);
Client client = Client.create(config);
WebResource baseWebResource = client.resource(getBaseURI());
webResource = baseWebResource.path(
ResourcePathConstants.UserWFConstants.REGISTRY_API_USERWFREGISTRY);
return webResource;
}
public boolean isWorkflowExists(String workflowName) {
webResource = getUserWFRegistryBaseResource().path(
ResourcePathConstants.UserWFConstants.WORKFLOW_EXIST);
MultivaluedMap queryParams = new MultivaluedMapImpl();
queryParams.add("workflowName", workflowName);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, queryParams, userName, null, cookie, gateway);
ClientResponse response = builder.type(MediaType.APPLICATION_FORM_URLENCODED).accept(
MediaType.TEXT_PLAIN).get(ClientResponse.class);
int status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
String exists = response.getEntity(String.class);
if (exists.equals("True")) {
return true;
} else {
return false;
}
} else if (status == ClientConstant.HTTP_UNAUTHORIZED) {
builder = BasicAuthHeaderUtil.getBuilder(
webResource, queryParams, userName, callback.getPassword(userName), null, gateway);
response = builder.type(MediaType.APPLICATION_FORM_URLENCODED).accept(
MediaType.TEXT_PLAIN).get(ClientResponse.class);
status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
}
String exists = response.getEntity(String.class);
if (exists.equals("True")) {
return true;
} else {
return false;
}
} else {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
}
}
public void addWorkflow(String workflowName, String workflowGraphXml) throws UserWorkflowAlreadyExistsException {
webResource = getUserWFRegistryBaseResource().path(
ResourcePathConstants.UserWFConstants.ADD_WORKFLOW);
MultivaluedMap formParams = new MultivaluedMapImpl();
formParams.add("workflowName", workflowName);
formParams.add("workflowGraphXml", workflowGraphXml);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, null, cookie, gateway);
ClientResponse response = builder.type(
MediaType.APPLICATION_FORM_URLENCODED).accept(
MediaType.TEXT_PLAIN).post(ClientResponse.class, formParams);
int status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
} else if (status == ClientConstant.HTTP_UNAUTHORIZED) {
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, callback.getPassword(userName), null, gateway);
response = builder.type(MediaType.APPLICATION_FORM_URLENCODED).accept(
MediaType.TEXT_PLAIN).post(ClientResponse.class, formParams);
status = response.getStatus();
if (status == ClientConstant.HTTP_BAD_REQUEST){
logger.debug("Workflow already exists...");
throw new UserWorkflowAlreadyExistsException(workflowName + " already exists !!!");
}
else if (status != ClientConstant.HTTP_OK) {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
} else {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
}
} else if (status == ClientConstant.HTTP_BAD_REQUEST){
logger.debug("Descriptor already exists...");
throw new UserWorkflowAlreadyExistsException(workflowName + " already exists !!!");
} else {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
}
}
public void updateWorkflow(String workflowName, String workflowGraphXml) {
webResource = getUserWFRegistryBaseResource().path(
ResourcePathConstants.UserWFConstants.UPDATE_WORKFLOW);
MultivaluedMap formParams = new MultivaluedMapImpl();
formParams.add("workflowName", workflowName);
formParams.add("workflowGraphXml", workflowGraphXml);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, null, cookie, gateway);
ClientResponse response = builder.accept(MediaType.TEXT_PLAIN).type(
MediaType.APPLICATION_FORM_URLENCODED).post(ClientResponse.class, formParams);
int status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
} else if (status == ClientConstant.HTTP_UNAUTHORIZED) {
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, callback.getPassword(userName), null, gateway);
response = builder.accept(MediaType.TEXT_PLAIN).type(
MediaType.APPLICATION_FORM_URLENCODED).post(ClientResponse.class, formParams);
status = response.getStatus();
if (status != ClientConstant.HTTP_OK) {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
} else {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
}
} else {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
}
}
public String getWorkflowGraphXML(String workflowName) {
webResource = getUserWFRegistryBaseResource().path(
ResourcePathConstants.UserWFConstants.GET_WORKFLOWGRAPH);
MultivaluedMap queryParams = new MultivaluedMapImpl();
queryParams.add("workflowName", workflowName);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, queryParams, userName, callback.getPassword(userName), cookie, gateway);
ClientResponse response = builder.accept(
MediaType.APPLICATION_FORM_URLENCODED).get(ClientResponse.class);
int status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
} else if (status == ClientConstant.HTTP_UNAUTHORIZED) {
builder = BasicAuthHeaderUtil.getBuilder(
webResource, queryParams, userName, callback.getPassword(userName), null, gateway);
response = builder.accept(
MediaType.APPLICATION_FORM_URLENCODED).get(ClientResponse.class);
status = response.getStatus();
if (status == ClientConstant.HTTP_NO_CONTENT) {
return null;
}
if (status != ClientConstant.HTTP_OK) {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
} else {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
}
} else if (status == ClientConstant.HTTP_NO_CONTENT) {
return null;
} else {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
}
String worlflowGraph = response.getEntity(String.class);
return worlflowGraph;
}
public Map<String, String> getWorkflows() {
Map<String, String> userWFMap = new HashMap<String, String>();
webResource = getUserWFRegistryBaseResource().path(
ResourcePathConstants.UserWFConstants.GET_WORKFLOWS);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, null, cookie, gateway);
ClientResponse response = builder.accept(
MediaType.APPLICATION_JSON).get(ClientResponse.class);
int status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
} else if (status == ClientConstant.HTTP_UNAUTHORIZED) {
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, callback.getPassword(userName), null, gateway);
response = builder.accept(MediaType.APPLICATION_JSON).get(ClientResponse.class);
status = response.getStatus();
if (status == ClientConstant.HTTP_NO_CONTENT) {
return userWFMap;
}
if (status != ClientConstant.HTTP_OK) {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
} else if (status == ClientConstant.HTTP_NO_CONTENT) {
return userWFMap;
} else {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
}
} else {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
}
WorkflowList workflowList = response.getEntity(WorkflowList.class);
List<Workflow> workflows = workflowList.getWorkflowList();
for (Workflow workflow : workflows) {
userWFMap.put(workflow.getWorkflowName(), workflow.getWorkflowGraph());
}
return userWFMap;
}
public void removeWorkflow(String workflowName) {
webResource = getUserWFRegistryBaseResource().path(
ResourcePathConstants.UserWFConstants.REMOVE_WORKFLOW);
MultivaluedMap queryParams = new MultivaluedMapImpl();
queryParams.add("workflowName", workflowName);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, queryParams, userName, null, cookie, gateway);
ClientResponse response = builder.accept(
MediaType.TEXT_PLAIN).delete(ClientResponse.class);
int status = response.getStatus();
if (status == ClientConstant.HTTP_OK) {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
} else if (status == ClientConstant.HTTP_UNAUTHORIZED) {
builder = BasicAuthHeaderUtil.getBuilder(
webResource, queryParams, userName, callback.getPassword(userName), null, gateway);
response = builder.accept(MediaType.TEXT_PLAIN).delete(ClientResponse.class);
status = response.getStatus();
if (status != ClientConstant.HTTP_OK) {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
} else {
if (response.getCookies().size() > 0) {
cookie = response.getCookies().get(0).toCookie();
CookieManager.setCookie(cookie);
}
}
} else {
logger.error(response.getEntity(String.class));
throw new RuntimeException("Failed : HTTP error code : "
+ status);
}
}
public ResourceMetadata getWorkflowMetadata(String workflowName) {
//not implemented in the registry API
return null;
}
}