391 lines
13 KiB
Java
391 lines
13 KiB
Java
package org.gcube.informationsystem.resourceregistry.contexts;
|
|
|
|
import java.io.IOException;
|
|
import java.net.HttpURLConnection;
|
|
import java.util.HashMap;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
import java.util.UUID;
|
|
|
|
import org.gcube.com.fasterxml.jackson.core.JsonProcessingException;
|
|
import org.gcube.common.context.ContextUtility;
|
|
import org.gcube.common.gxhttp.reference.GXConnection;
|
|
import org.gcube.common.gxhttp.request.GXHTTPStringRequest;
|
|
import org.gcube.common.http.GXHTTPUtility;
|
|
import org.gcube.informationsystem.contexts.reference.entities.Context;
|
|
import org.gcube.informationsystem.model.impl.properties.HeaderImpl;
|
|
import org.gcube.informationsystem.model.reference.properties.Header;
|
|
import org.gcube.informationsystem.resourceregistry.api.contexts.ContextCache;
|
|
import org.gcube.informationsystem.resourceregistry.api.contexts.ContextCacheRenewal;
|
|
import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFoundException;
|
|
import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
|
|
import org.gcube.informationsystem.resourceregistry.api.exceptions.contexts.ContextAlreadyPresentException;
|
|
import org.gcube.informationsystem.resourceregistry.api.exceptions.contexts.ContextNotFoundException;
|
|
import org.gcube.informationsystem.resourceregistry.api.rest.ContextPath;
|
|
import org.gcube.informationsystem.resourceregistry.api.rest.httputils.HTTPUtility;
|
|
import org.gcube.informationsystem.serialization.ElementMapper;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
/**
|
|
* @author Luca Frosini (ISTI - CNR)
|
|
*/
|
|
public class ResourceRegistryContextClientImpl implements ResourceRegistryContextClient {
|
|
|
|
private static final Logger logger = LoggerFactory.getLogger(ResourceRegistryContextClientImpl.class);
|
|
|
|
private static final String ACCEPT_HTTP_HEADER_KEY = "Accept";
|
|
private static final String CONTENT_TYPE_HTTP_HEADER_KEY = "Content-Type";
|
|
|
|
protected final String address;
|
|
|
|
protected Map<String, String> headers;
|
|
|
|
protected ContextCache contextCache;
|
|
|
|
protected ContextCacheRenewal contextCacheRenewal = new ContextCacheRenewal() {
|
|
|
|
@Override
|
|
public List<Context> renew() throws ResourceRegistryException {
|
|
return getAllContextFromServer();
|
|
}
|
|
|
|
};
|
|
|
|
@Override
|
|
public void addHeader(String name, String value) {
|
|
headers.put(name, value);
|
|
}
|
|
|
|
protected GXHTTPStringRequest getGXHTTPStringRequest() {
|
|
GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
|
|
gxHTTPStringRequest.from(this.getClass().getSimpleName());
|
|
for(String name : headers.keySet()) {
|
|
gxHTTPStringRequest.header(name, headers.get(name));
|
|
}
|
|
return gxHTTPStringRequest;
|
|
}
|
|
|
|
public ResourceRegistryContextClientImpl(String address) {
|
|
this(address, true);
|
|
}
|
|
|
|
public ResourceRegistryContextClientImpl(String address, boolean sharedContextCache) {
|
|
this.address = address;
|
|
this.headers = new HashMap<>();
|
|
if(sharedContextCache) {
|
|
contextCache = ContextCache.getInstance();
|
|
}else {
|
|
contextCache = new ContextCache();
|
|
}
|
|
contextCache.setContextCacheRenewal(contextCacheRenewal);
|
|
}
|
|
|
|
private void forceCacheRefresh() {
|
|
try {
|
|
contextCache.cleanCache();
|
|
contextCache.refreshContextsIfNeeded();
|
|
}catch (Exception e) {
|
|
logger.warn("Unable to force cache refresh.", e);
|
|
}
|
|
}
|
|
|
|
protected List<Context> getAllContextFromServer() throws ResourceRegistryException {
|
|
try {
|
|
logger.trace("Going to read {} with UUID {}", Context.NAME);
|
|
GXHTTPStringRequest gxHTTPStringRequest = getGXHTTPStringRequest();
|
|
gxHTTPStringRequest.header(ACCEPT_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
|
|
|
|
HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
|
|
String all = HTTPUtility.getResponse(String.class, httpURLConnection);
|
|
|
|
logger.debug("Got contexts are {}", Context.NAME, all);
|
|
return ElementMapper.unmarshalList(Context.class, all);
|
|
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public List<Context> all() throws ResourceRegistryException {
|
|
return contextCache.getContexts();
|
|
}
|
|
|
|
protected String internalCreate(Context context) throws ContextAlreadyPresentException, ResourceRegistryException {
|
|
try {
|
|
Header header = context.getHeader();
|
|
if(header == null) {
|
|
header = new HeaderImpl(UUID.randomUUID());
|
|
context.setHeader(header);
|
|
}
|
|
UUID uuid = context.getHeader().getUUID();
|
|
|
|
String contextString = ElementMapper.marshal(context);
|
|
|
|
logger.trace("Going to create {}", contextString);
|
|
|
|
GXHTTPStringRequest gxHTTPStringRequest = getGXHTTPStringRequest();
|
|
gxHTTPStringRequest.header(ACCEPT_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.header(CONTENT_TYPE_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
|
|
gxHTTPStringRequest.path(uuid.toString());
|
|
|
|
HttpURLConnection httpURLConnection = gxHTTPStringRequest.put(contextString);
|
|
String c = HTTPUtility.getResponse(String.class, httpURLConnection);
|
|
|
|
forceCacheRefresh();
|
|
|
|
logger.trace("{} successfully created", c);
|
|
return c;
|
|
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Context create(Context context) throws ContextAlreadyPresentException, ResourceRegistryException {
|
|
try {
|
|
String res = internalCreate(context);
|
|
return ElementMapper.unmarshal(Context.class, res);
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String create(String context) throws ContextAlreadyPresentException, ResourceRegistryException {
|
|
try {
|
|
Context c = ElementMapper.unmarshal(Context.class, context);
|
|
return internalCreate(c);
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
public boolean existFromServer(String uuid) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
logger.trace("Going to read {} with UUID {}", Context.NAME, uuid);
|
|
GXHTTPStringRequest gxHTTPStringRequest = getGXHTTPStringRequest();
|
|
gxHTTPStringRequest.header(ACCEPT_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
|
|
gxHTTPStringRequest.path(uuid);
|
|
|
|
HttpURLConnection httpURLConnection = gxHTTPStringRequest.head();
|
|
HTTPUtility.getResponse(String.class, httpURLConnection);
|
|
|
|
return true;
|
|
} catch (NotFoundException e) {
|
|
return false;
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean exist(String uuid) throws ResourceRegistryException {
|
|
return exist(UUID.fromString(uuid));
|
|
}
|
|
|
|
@Override
|
|
public boolean exist(UUID uuid) throws ResourceRegistryException {
|
|
try {
|
|
read(uuid);
|
|
return true;
|
|
}catch (ContextNotFoundException e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Context read(Context context) throws ContextNotFoundException, ResourceRegistryException {
|
|
return read(context.getHeader().getUUID());
|
|
}
|
|
|
|
@Override
|
|
public Context read(UUID uuid) throws ContextNotFoundException, ResourceRegistryException {
|
|
Context context = contextCache.getContextByUUID(uuid);;
|
|
if(context == null) {
|
|
String contextJson = readFromServer(uuid.toString());
|
|
try {
|
|
context = ElementMapper.unmarshal(Context.class, contextJson);
|
|
} catch (IOException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
forceCacheRefresh();
|
|
Context c = contextCache.getContextByUUID(context.getHeader().getUUID());
|
|
if(c!=null){
|
|
context = c;
|
|
}else {
|
|
logger.error("Context with UUID {} is {}. It is possibile to get it from the server but not from the cache. This is very strange and should not occur.", uuid, context);
|
|
}
|
|
}
|
|
return context;
|
|
}
|
|
|
|
@Override
|
|
public Context readCurrentContext() throws ContextNotFoundException, ResourceRegistryException {
|
|
String contextFullName = ContextUtility.getCurrentContextFullName();
|
|
UUID uuid = contextCache.getUUIDByFullName(contextFullName);
|
|
return read(uuid);
|
|
}
|
|
|
|
@Override
|
|
public String read(String uuid) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
return ElementMapper.marshal(read(UUID.fromString(uuid)));
|
|
} catch (ContextNotFoundException e) {
|
|
throw e;
|
|
} catch (JsonProcessingException e) {
|
|
throw new RuntimeException(e);
|
|
} catch (ResourceRegistryException e) {
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
public String readFromServer(String uuid) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
logger.trace("Going to read {} with UUID {}", Context.NAME, uuid);
|
|
GXHTTPStringRequest gxHTTPStringRequest = getGXHTTPStringRequest();
|
|
gxHTTPStringRequest.header(ACCEPT_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
|
|
gxHTTPStringRequest.path(uuid);
|
|
|
|
HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
|
|
String c = HTTPUtility.getResponse(String.class, httpURLConnection);
|
|
|
|
logger.debug("Got {} is {}", Context.NAME, c);
|
|
return c;
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
public String internalUpdate(Context context) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
String contextString = ElementMapper.marshal(context);
|
|
logger.trace("Going to update {}", contextString);
|
|
|
|
UUID uuid = context.getHeader().getUUID();
|
|
|
|
GXHTTPStringRequest gxHTTPStringRequest = getGXHTTPStringRequest();
|
|
gxHTTPStringRequest.header(ACCEPT_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.header(CONTENT_TYPE_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
|
|
gxHTTPStringRequest.path(uuid.toString());
|
|
|
|
HttpURLConnection httpURLConnection = gxHTTPStringRequest.put(contextString);
|
|
String c = HTTPUtility.getResponse(String.class, httpURLConnection);
|
|
|
|
forceCacheRefresh();
|
|
|
|
logger.trace("{} successfully updated", c);
|
|
return c;
|
|
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Context update(Context context) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
String res = internalUpdate(context);
|
|
return ElementMapper.unmarshal(Context.class, res);
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Updating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Updating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String update(String context) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
Context c = ElementMapper.unmarshal(Context.class, context);
|
|
return internalUpdate(c);
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Updating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Updating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean delete(Context context) throws ContextNotFoundException, ResourceRegistryException {
|
|
return delete(context.getHeader().getUUID());
|
|
}
|
|
|
|
@Override
|
|
public boolean delete(UUID uuid) throws ContextNotFoundException, ResourceRegistryException {
|
|
return delete(uuid.toString());
|
|
}
|
|
|
|
@Override
|
|
public boolean delete(String uuid) throws ContextNotFoundException, ResourceRegistryException {
|
|
try {
|
|
logger.trace("Going to delete {} with UUID {}", Context.NAME, uuid);
|
|
GXHTTPStringRequest gxHTTPStringRequest = getGXHTTPStringRequest();
|
|
gxHTTPStringRequest.header(ACCEPT_HTTP_HEADER_KEY, GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
|
|
gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
|
|
gxHTTPStringRequest.path(uuid);
|
|
|
|
HttpURLConnection httpURLConnection = gxHTTPStringRequest.delete();
|
|
HTTPUtility.getResponse(String.class, httpURLConnection);
|
|
|
|
boolean deleted = true;
|
|
|
|
logger.info("{} with UUID {} {}", Context.NAME, uuid,
|
|
deleted ? " successfully deleted" : "was NOT deleted");
|
|
return deleted;
|
|
} catch(ResourceRegistryException e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw e;
|
|
} catch(Exception e) {
|
|
// logger.trace("Error Creating {}", facet, e);
|
|
throw new RuntimeException(e);
|
|
}finally {
|
|
try {
|
|
forceCacheRefresh();
|
|
}catch (Exception e) {
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|