130 lines
4.4 KiB
Java
130 lines
4.4 KiB
Java
package org.gcube.informationsystem.resourceregistry.context;
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import java.io.StringWriter;
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import java.net.MalformedURLException;
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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 org.gcube.informationsystem.model.ISManageable;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextAlreadyPresentException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextNotFoundException;
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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.SchemaPath;
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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.resourceregistry.api.utils.Utility;
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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 ResourceRegistrySchemaClientImpl implements ResourceRegistrySchemaClient {
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private static final Logger logger = LoggerFactory.getLogger(ResourceRegistrySchemaClientImpl.class);
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public static final String PATH_SEPARATOR = "/";
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protected final String address;
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protected HTTPCall httpCall;
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public ResourceRegistrySchemaClientImpl(String address) {
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this.address = address;
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}
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private HTTPCall getHTTPCall() throws MalformedURLException {
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if(httpCall == null) {
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httpCall = new HTTPCall(address, ResourceRegistrySchemaClient.class.getSimpleName());
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}
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return httpCall;
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}
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@Override
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public <ISM extends ISManageable> TypeDefinition create(Class<ISM> clazz)
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throws SchemaException, ResourceRegistryException {
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try {
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String typeDefinition = TypeBinder.serializeType(clazz);
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String res = create(typeDefinition);
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return TypeBinder.deserializeTypeDefinition(res);
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} catch(ResourceRegistryException e) {
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throw e;
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} catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public String create(String typeDefinitition) throws ContextAlreadyPresentException, ResourceRegistryException {
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try {
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logger.trace("Going to create: {}", typeDefinitition);
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StringWriter stringWriter = new StringWriter();
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stringWriter.append(PATH_SEPARATOR);
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stringWriter.append(SchemaPath.SCHEMA_PATH_PART);
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HTTPCall httpCall = getHTTPCall();
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String c = httpCall.call(String.class, stringWriter.toString(), HTTPMETHOD.PUT, typeDefinitition);
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logger.trace("{} successfully created", c);
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return c;
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} catch(ResourceRegistryException e) {
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throw e;
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} catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public <ISM extends ISManageable> List<TypeDefinition> read(Class<ISM> clazz, Boolean polymorphic)
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throws SchemaNotFoundException, ResourceRegistryException {
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try {
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String type = Utility.getType(clazz);
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String res = read(type, polymorphic);
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return TypeBinder.deserializeTypeDefinitions(res);
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} catch(ResourceRegistryException e) {
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throw e;
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} catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public String read(String type, Boolean polymorphic) throws ContextNotFoundException, ResourceRegistryException {
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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(SchemaPath.SCHEMA_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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if(polymorphic == null) {
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polymorphic = false;
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}
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parameters.put(AccessPath.POLYMORPHIC_PARAM, polymorphic.toString());
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HTTPCall httpCall = getHTTPCall();
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String json = httpCall.call(String.class, stringWriter.toString(), HTTPMETHOD.GET, parameters);
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logger.debug("Got schema for {} is {}", type, json);
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return json;
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} catch(ResourceRegistryException e) {
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throw e;
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} catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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