214 lines
7.7 KiB
Java
214 lines
7.7 KiB
Java
/**
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*
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*/
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package org.gcube.informationsystem.resourceregistry.client.proxy;
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import java.io.StringWriter;
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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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import java.util.UUID;
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import javax.xml.ws.EndpointReference;
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import org.gcube.common.clients.delegates.AsyncProxyDelegate;
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import org.gcube.common.clients.delegates.ProxyDelegate;
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import org.gcube.informationsystem.impl.utils.ISMapper;
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import org.gcube.informationsystem.model.ER;
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import org.gcube.informationsystem.model.ISManageable;
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import org.gcube.informationsystem.model.entity.Entity;
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import org.gcube.informationsystem.model.entity.Resource;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERNotFoundException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.query.InvalidQueryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.schema.SchemaException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.schema.SchemaNotFoundException;
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import org.gcube.informationsystem.resourceregistry.api.rest.AccessPath;
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import org.gcube.informationsystem.resourceregistry.api.rest.httputils.HTTPCall;
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import org.gcube.informationsystem.resourceregistry.api.rest.httputils.HTTPCall.HTTPMETHOD;
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import org.gcube.informationsystem.types.TypeBinder;
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import org.gcube.informationsystem.types.TypeBinder.TypeDefinition;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* @author Luca Frosini (ISTI - CNR)
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*/
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public class ResourceRegistryClientImpl implements ResourceRegistryClient {
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private static final Logger logger = LoggerFactory
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.getLogger(ResourceRegistryClientImpl.class);
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private final AsyncProxyDelegate<EndpointReference> delegate;
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public static final String PATH_SEPARATOR = "/";
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public ResourceRegistryClientImpl(ProxyDelegate<EndpointReference> config) {
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this.delegate = new AsyncProxyDelegate<EndpointReference>(config);
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}
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@Override
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public <ERType extends ER> ERType getInstance(Class<ERType> clazz, UUID uuid)
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throws ERNotFoundException, ResourceRegistryException {
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String type = clazz.getSimpleName();
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try {
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logger.info("Going to get {} with UUID {}", type, uuid);
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StringWriter stringWriter = new StringWriter();
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.ACCESS_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.INSTANCE_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(type);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(uuid.toString());
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HTTPCall<ERType> httpCall = new HTTPCall<>(stringWriter.toString(),
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HTTPMETHOD.GET, null);
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ResourceRegistryClientCall<ERType> call = new ResourceRegistryClientCall<>(
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clazz, httpCall);
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ERType erType = delegate.make(call);
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logger.info("Got {} with UUID {} is {}", type, uuid, erType);
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return erType;
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} catch (ResourceRegistryException e) {
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logger.error("Error while getting {} with UUID {}", type, uuid, e);
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throw e;
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} catch (Exception e) {
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logger.error("Error while getting {} with UUID {}", type, uuid, e);
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throw new ResourceRegistryException(e);
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}
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}
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@Override
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public List<? extends Entity> getInstances(String type,
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Boolean polymorphic) throws ERNotFoundException,
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ResourceRegistryException {
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try {
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logger.info("Going to get all instances of {} ", type);
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StringWriter stringWriter = new StringWriter();
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.ACCESS_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.INSTANCES_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(type);
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Map<String, String> parameters = new HashMap<>();
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parameters.put(AccessPath.POLYMORPHIC_PARAM, polymorphic.toString());
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HTTPCall<String> httpCall = new HTTPCall<>(stringWriter.toString(),
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HTTPMETHOD.GET, parameters);
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ResourceRegistryClientCall<String> call = new ResourceRegistryClientCall<>(
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String.class, httpCall);
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String ret = delegate.make(call);
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logger.info("Got instances of {} are {}", type, ret);
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return ISMapper.unmarshalList(Entity.class, ret);
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} catch (ResourceRegistryException e) {
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logger.error("Error while getting {} instances", type, e);
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throw e;
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} catch (Exception e) {
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logger.error("Error while getting {} instances", type, e);
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throw new ResourceRegistryException(e);
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}
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}
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@Override
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public List<Resource> getInstancesFromEntity(
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String relationType, Boolean polymorphic, UUID reference,
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Direction direction) throws ERException, SchemaException,
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ResourceRegistryException {
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try {
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logger.info("Going to get all instances of {} from/to {}", relationType,
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reference.toString());
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StringWriter stringWriter = new StringWriter();
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.ACCESS_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.INSTANCES_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(relationType);
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Map<String, String> parameters = new HashMap<>();
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parameters.put(AccessPath.POLYMORPHIC_PARAM, polymorphic.toString());
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parameters.put(AccessPath.REFERENCE, reference.toString());
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parameters.put(AccessPath.DIRECTION, direction.toString());
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HTTPCall<String> httpCall = new HTTPCall<>(stringWriter.toString(),
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HTTPMETHOD.GET, parameters);
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ResourceRegistryClientCall<String> call = new ResourceRegistryClientCall<>(
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String.class, httpCall);
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String ret = delegate.make(call);
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logger.info("Got instances of {} from/to {} are {}", relationType,
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reference.toString(), ret);
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return ISMapper.unmarshalList(Resource.class, ret);
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} catch (ResourceRegistryException e) {
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logger.error("Error while getting instances of {} from/to {}", relationType, e);
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throw e;
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} catch (Exception e) {
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logger.error("Error while getting instances of {} from/to {}", relationType, e);
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throw new ResourceRegistryException(e);
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}
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}
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@Override
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public <ISM extends ISManageable> List<TypeDefinition> getSchema(
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Class<ISM> clazz, Boolean polymorphic)
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throws SchemaNotFoundException {
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String type = clazz.getSimpleName();
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try {
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logger.info("Going to get {} schema", type);
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StringWriter stringWriter = new StringWriter();
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.ACCESS_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(AccessPath.SCHEMA_PATH_PART);
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(type);
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Map<String, String> parameters = new HashMap<>();
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parameters.put(AccessPath.POLYMORPHIC_PARAM, polymorphic.toString());
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HTTPCall<String> httpCall = new HTTPCall<>(stringWriter.toString(),
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HTTPMETHOD.GET, parameters);
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ResourceRegistryClientCall<String> call = new ResourceRegistryClientCall<>(
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String.class, httpCall);
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String schema = delegate.make(call);
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logger.info("Got schema for {} is {}", type, schema);
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return TypeBinder.deserializeTypeDefinitions(schema);
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} catch (SchemaNotFoundException e) {
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logger.error("Error while getting {}schema for {}",
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polymorphic ? AccessPath.POLYMORPHIC_PARAM + " " : "",
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type, e);
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throw e;
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} catch (Exception e) {
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logger.error("Error while getting {}schema for {}",
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polymorphic ? AccessPath.POLYMORPHIC_PARAM + " " : "",
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type, e);
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throw new SchemaNotFoundException(e);
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}
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}
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@Override
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public String query(String query, int limit, String fetchPlan)
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throws InvalidQueryException {
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ResourceRegistryQuery rrq = new ResourceRegistryQuery(delegate);
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return rrq.query(query, limit, fetchPlan);
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}
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}
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