224 lines
10 KiB
Java
224 lines
10 KiB
Java
package org.gcube.application.cms.sdi.plugins;
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import com.vdurmont.semver4j.Semver;
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import lombok.Data;
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import lombok.Synchronized;
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import lombok.extern.slf4j.Slf4j;
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import org.bson.Document;
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import org.gcube.application.cms.plugins.MaterializationPlugin;
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import org.gcube.application.cms.plugins.faults.InitializationException;
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import org.gcube.application.cms.plugins.faults.InvalidPluginRequestException;
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import org.gcube.application.cms.plugins.faults.MaterializationException;
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import org.gcube.application.cms.plugins.faults.ShutDownException;
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import org.gcube.application.cms.plugins.implementations.AbstractPlugin;
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import org.gcube.application.cms.plugins.reports.InitializationReport;
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import org.gcube.application.cms.plugins.reports.MaterializationReport;
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import org.gcube.application.cms.plugins.reports.Report;
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import org.gcube.application.cms.plugins.requests.MaterializationRequest;
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import org.gcube.application.cms.sdi.engine.SDIManagerWrapper;
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import org.gcube.application.cms.sdi.faults.SDIInteractionException;
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import org.gcube.application.cms.serialization.Serialization;
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import org.gcube.application.geoportal.common.model.JSONPathWrapper;
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import org.gcube.application.geoportal.common.model.document.Project;
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import org.gcube.application.geoportal.common.model.document.filesets.Materialization;
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import org.gcube.application.geoportal.common.model.document.filesets.RegisteredFileSet;
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import org.gcube.application.geoportal.common.model.document.filesets.sdi.GCubeSDILayer;
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import org.gcube.application.geoportal.common.model.plugins.MaterializerPluginDescriptor;
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import org.gcube.application.geoportal.common.model.plugins.PluginDescriptor;
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import org.gcube.application.geoportal.common.model.useCaseDescriptor.Field;
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import org.gcube.application.geoportal.common.model.useCaseDescriptor.UseCaseDescriptor;
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import org.gcube.application.geoportal.common.utils.ContextUtils;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@Slf4j
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public class SDIMaterializerPlugin extends AbstractPlugin implements MaterializationPlugin {
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@Data
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public static class MaterializationConfig{
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private String schemaField;
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private String documentPath;
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}
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Map<String, SDIManagerWrapper> sdiManagerMap=null;
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private SDIManagerWrapper getSDIManager(){
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return sdiManagerMap.get(ContextUtils.getCurrentScope());
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}
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@Override
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@Synchronized
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public InitializationReport initInContext() throws InitializationException {
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InitializationReport report = new InitializationReport();
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try{
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String context = ContextUtils.getCurrentScope();
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if(getSDIManager()==null) {
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log.info("Initializing in " + context);
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sdiManagerMap.put(context,new SDIManagerWrapper());
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}
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report.setStatus(Report.Status.OK);
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report.putMessage("Initialized SDI Manager in "+context+" pointing to "+getSDIManager().getGeoserverHostName());
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} catch (SDIInteractionException e) {
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throw new InitializationException("Unable to initialize SDI Manager ",e);
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}
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return report;
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}
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@Override
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@Synchronized
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public InitializationReport init() throws InitializationException {
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InitializationReport report = new InitializationReport();
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sdiManagerMap=new HashMap<>();
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report.setStatus(Report.Status.OK);
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return report;
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}
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@Override
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public void shutdown() throws ShutDownException {
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}
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/**
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* Expected params :
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* -workspace MANDATORY
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* -titleField
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*
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* @param request
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* @return
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* @throws MaterializationException
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*/
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@Override
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public MaterializationReport materialize(MaterializationRequest request) throws MaterializationException, InvalidPluginRequestException {
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log.info("Materializer {} : Performing {} ",this.getDescriptor().getId(),request);
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Project project =request.getDocument();
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UseCaseDescriptor useCaseDescriptor = request.getUseCaseDescriptor();
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Document requestArguments=Serialization.convert(request.getCallParameters(),Document.class);
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MaterializationReport report= new MaterializationReport(request);
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try{
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Document profileConfiguration =getConfigurationFromProfile(useCaseDescriptor).getConfiguration();
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log.debug("UseCaseDescriptor Configuration is {} ",profileConfiguration);
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JSONPathWrapper documentNavigator=new JSONPathWrapper(project.getTheDocument().toJson());
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JSONPathWrapper schemaNavigator=new JSONPathWrapper(useCaseDescriptor.getSchema().toJson());
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for(Object fsConfigObj : profileConfiguration.get("registeredFileSetPaths", List.class)){
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log.debug("Managing {} ",fsConfigObj);
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MaterializationConfig fsConfig=Serialization.convert(fsConfigObj,MaterializationConfig.class);
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List matchingFieldDefinitions =schemaNavigator.getByPath(fsConfig.getSchemaField());
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if(matchingFieldDefinitions==null || matchingFieldDefinitions.isEmpty())
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throw new MaterializationException("Invalid Field Definition path in configuration [NO MATCH] : "+
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fsConfig.getSchemaField());
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if(matchingFieldDefinitions.size()>1)
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throw new MaterializationException("Invalid Field Definition path in configuration [MATCHES "+matchingFieldDefinitions.size()+"] : "+
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fsConfig.getSchemaField());
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Field f = Serialization.convert(matchingFieldDefinitions.get(0),Field.class);
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// TODO Check if schema points to RegisteredFileSet
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for(Object fsObject : documentNavigator.getByPath(fsConfig.getDocumentPath())){
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RegisteredFileSet fs = Serialization.convert(fsObject,RegisteredFileSet.class);
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log.debug("Found {} ",fs);
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requestArguments.putIfAbsent("basePersistencePath", useCaseDescriptor.getId());
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requestArguments.putIfAbsent("documentID", project.getId());
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if(requestArguments.containsKey("titleField"))
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requestArguments.putIfAbsent("layerTitle",fs.getString(requestArguments.getString("titleField")));
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else requestArguments.putIfAbsent("layerTitle",fs.getUUID());
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//Add FS uuid at ws_baseName
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String ws = request.getMandatory("workspace")+"_"+ project.getId();
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ws = ws.replaceAll("\\W","_");
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log.trace("Escaped WS will be {} ",ws);
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requestArguments.put("workspace",ws);
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// Actually materializing
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RegisteredFileSet obtained = getSDIManager().materializeLayer(fs,requestArguments);
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log.debug("Obtained {} ",obtained);
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documentNavigator.setElement("$..[?(@."+ RegisteredFileSet.UUID+" == '"+fs.getUUID()+"')]",obtained);
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}
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}
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String finalDocument = documentNavigator.getValueCTX().jsonString();
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log.debug("Final document after materialization is {} ",finalDocument);
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report.setResultingDocument(Document.parse(finalDocument));
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report.setStatus(Report.Status.OK);
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}catch (SDIInteractionException e){
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log.error("Unable to materialize "+request,e);
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report.setStatus(Report.Status.ERROR);
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report.putMessage(e.getMessage());
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}catch (Throwable t){
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log.error("Unable to materialize "+request,t);
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report.setStatus(Report.Status.ERROR);
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report.putMessage(t.getMessage());
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}finally{
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return report;
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}
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}
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/**
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* Expected parameters
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* - fileSetPath
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*
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* @param request
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* @return
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* @throws MaterializationException
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* @throws InvalidPluginRequestException
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*/
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@Override
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public MaterializationReport dematerialize(MaterializationRequest request) throws MaterializationException, InvalidPluginRequestException {
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log.info("Serving DeMaterialization {} ",request);
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MaterializationReport report= new MaterializationReport(request);
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try{
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SDIManagerWrapper sdi=getSDIManager();
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JSONPathWrapper wrapper = new JSONPathWrapper(request.getDocument().getTheDocument().toJson());
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for(String s : wrapper.getMatchingPaths(request.getMandatory("fileSetPath"))){
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log.debug("Found matching {} ",s);
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RegisteredFileSet registeredFileSet=Serialization.convert(wrapper.getByPath(s).get(0),RegisteredFileSet.class);
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List<Object> toKeep = new ArrayList<>();
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for(Object matObj : registeredFileSet.getMaterializations()){
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Materialization mat = Serialization.convert(matObj,Materialization.class);
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if(mat.getType().equals(GCubeSDILayer.GCUBE_SDY_LAYER_TYPE)) {
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log.debug("Deleting Layer {} ",mat);
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sdi.deleteLayer(Serialization.convert(matObj, GCubeSDILayer.class));
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}else toKeep.add(matObj);
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}
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// Resetting remaining materializations
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registeredFileSet.put(RegisteredFileSet.MATERIALIZATIONS,toKeep);
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// Update FS in doc
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wrapper.setElement(s,registeredFileSet);
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}
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// Resetting Document
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report.setResultingDocument(Serialization.asDocument(wrapper.getValueCTX().jsonString()));
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}catch (SDIInteractionException e){
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log.error("Unable to materialize "+request,e);
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report.setStatus(Report.Status.ERROR);
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report.putMessage(e.getMessage());
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}catch (Throwable t){
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log.error("Unable to materialize "+request,t);
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report.setStatus(Report.Status.ERROR);
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report.putMessage(t.getMessage());
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}finally{
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return report;
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}
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}
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static final PluginDescriptor DESCRIPTOR=new PluginDescriptor("SDI-Default-Materializer", MaterializerPluginDescriptor.MATERIALIZER);
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static {
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DESCRIPTOR.setDescription("SDI Materializer. " +
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"This plugin materialize FileSets in gCube SDI.");
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DESCRIPTOR.setVersion(new Semver("1.0.0"));
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}
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@Override
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public PluginDescriptor getDescriptor() {
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return DESCRIPTOR;
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}
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}
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