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/*******************************************************************************
* Copyright (c) 2013 Pascal Hirmer.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* Pascal Hirmer - initial API and implementation
*******************************************************************************/
package org.eclipse.winery.topologymodeler.resources;
import java.io.StringReader;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import org.eclipse.winery.model.tosca.Definitions;
import org.eclipse.winery.model.tosca.TNodeTemplate;
import org.eclipse.winery.model.tosca.TRelationshipTemplate;
import org.eclipse.winery.model.tosca.TServiceTemplate;
import org.eclipse.winery.model.tosca.TTopologyTemplate;
import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.JAXBHelper;
import org.eclipse.winery.topologymodeler.addons.topologycompleter.helper.RESTHelper;
/**
* This class contains resources used for the topology completion.
*
*/
@Path("/")
public class TopologyCompletionResource {
/**
* Adds selected {@link TNodeTemplate}s and {@link TRelationshipTemplate}s
* to a topology.
*
* @param topology
* the {@link TTopologyTemplate} as XML string
* @param allChoices
* all possible choices as XML
* @param selectedNodeTemplates
* the selected {@link TNodeTemplate}s as JSON array
* @param selectedRelationshipTemplates
* the selected {@link TRelationshipTemplate}s as JSON array
* @return the enhanced {@link TTopologyTemplate}
*/
@Path("selectionhandler/")
@GET
@Produces(MediaType.TEXT_PLAIN)
public Response handleSelection(
@QueryParam(value = "topology") String topology,
@QueryParam(value = "allChoices") String allChoices,
@QueryParam(value = "selectedNodeTemplates") String selectedNodeTemplates,
@QueryParam(value = "selectedRelationshipTemplates") String selectedRelationshipTemplates) {
return Response
.ok()
.entity(JAXBHelper.addTemplatesToTopology(topology, allChoices,
selectedNodeTemplates, selectedRelationshipTemplates))
.build();
}
/**
* This resource is used to save a {@link TTopologyTemplate} to the repository.
*
* @param topology
* the topology to be saved
* @param templateURL
* the URL the {@link TTopologyTemplate} of the topology template
* @param repositoryURL
* the URL of the repository
* @param topologyName
* the name of the saved {@link TTopologyTemplate}
* @param topologyNamespace
* the namespace of the saved {@link TTopologyTemplate}
* @param overwriteTopology
* whether the {@link TTopologyTemplate} should be overwritten or not
*
* @return whether the save operation has been successful or not
*/
@Path("topologysaver/")
@POST
public Response saveTopology(@FormParam("topology") String topology,
@FormParam(value = "templateURL") String templateURL,
@FormParam(value = "repositoryURL") String repositoryURL,
@FormParam(value = "topologyName") String topologyName,
@FormParam(value = "topologyNamespace") String topologyNamespace,
@FormParam(value = "overwriteTopology") String overwriteTopology) {
try {
boolean overwrite = Boolean.parseBoolean(overwriteTopology);
// initiate JaxB context
JAXBContext context;
context = JAXBContext.newInstance(Definitions.class);
StringReader reader = new StringReader(topology);
// unmarshall the topology XML string
Unmarshaller um;
um = context.createUnmarshaller();
Definitions jaxBDefinitions = (Definitions) um.unmarshal(reader);
TServiceTemplate st = (TServiceTemplate) jaxBDefinitions
.getServiceTemplateOrNodeTypeOrNodeTypeImplementation()
.get(0);
TTopologyTemplate toBeSaved = st.getTopologyTemplate();
// depending on the selected save method (overwrite or create new)
// the save method is called
if (overwrite) {
RESTHelper.saveCompleteTopology(toBeSaved, templateURL, true,
"", "", repositoryURL);
} else {
RESTHelper.saveCompleteTopology(toBeSaved, templateURL, false,
topologyName, topologyNamespace, repositoryURL);
}
return Response.ok().build();
} catch (JAXBException e) {
e.printStackTrace();
return Response.serverError().build();
}
}
}
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