Examples with BrowseRequest io.cdap.cdap.etl.api.connector.BrowseRequest used on opensource projects

Example 1 with BrowseRequest

use of io.cdap.cdap.etl.api.connector.BrowseRequest in project cdap by caskdata.

the class RemoteConnectionBrowseTask method execute.

@Override
public String execute(SystemAppTaskContext systemAppContext, RemoteConnectionRequest request) throws Exception {
    String namespace = request.getNamespace();
    Connection connection = request.getConnection();
    // Plugin selector and configurer
    TrackedPluginSelector pluginSelector = new TrackedPluginSelector(new ArtifactSelectorProvider().getPluginSelector(connection.getPlugin().getArtifact()));
    ServicePluginConfigurer servicePluginConfigurer = systemAppContext.createServicePluginConfigurer(namespace);
    BrowseRequest browseRequest = GSON.fromJson(request.getRequest(), BrowseRequest.class);
    try (Connector connector = getConnector(systemAppContext, servicePluginConfigurer, connection.getPlugin(), namespace, pluginSelector)) {
        // configure and browse
        connector.configure(new DefaultConnectorConfigurer(servicePluginConfigurer));
        ConnectorContext connectorContext = new DefaultConnectorContext(new SimpleFailureCollector(), servicePluginConfigurer);
        BrowseDetail browseDetail = connector.browse(connectorContext, browseRequest);
        return GSON.toJson(browseDetail);
    }
}

Example 2 with BrowseRequest

use of io.cdap.cdap.etl.api.connector.BrowseRequest in project cdap by caskdata.

the class ConnectionHandler method browse.

/**
 * Browse the connection on a given path.
 */
@POST
@TransactionPolicy(value = TransactionControl.EXPLICIT)
@Path(API_VERSION + "/contexts/{context}/connections/{connection}/browse")
public void browse(HttpServiceRequest request, HttpServiceResponder responder, @PathParam("context") String namespace, @PathParam("connection") String connection) {
    respond(namespace, responder, namespaceSummary -> {
        if (namespaceSummary.getName().equalsIgnoreCase(NamespaceId.SYSTEM.getNamespace())) {
            responder.sendError(HttpURLConnection.HTTP_BAD_REQUEST, "Browsing connection in system namespace is currently not supported");
            return;
        }
        contextAccessEnforcer.enforce(new ConnectionEntityId(namespace, ConnectionId.getConnectionId(connection)), StandardPermission.USE);
        String browseRequestString = StandardCharsets.UTF_8.decode(request.getContent()).toString();
        BrowseRequest browseRequest = GSON.fromJson(browseRequestString, BrowseRequest.class);
        if (browseRequest == null) {
            responder.sendError(HttpURLConnection.HTTP_BAD_REQUEST, "The request body is empty");
            return;
        }
        if (browseRequest.getPath() == null) {
            responder.sendError(HttpURLConnection.HTTP_BAD_REQUEST, "Path is not provided in the browse request");
            return;
        }
        Connection conn = store.getConnection(new ConnectionId(namespaceSummary, connection));
        if (getContext().isRemoteTaskEnabled()) {
            executeRemotely(namespace, browseRequestString, conn, RemoteConnectionBrowseTask.class, responder);
        } else {
            browseLocally(namespaceSummary.getName(), browseRequest, conn, responder);
        }
        Metrics child = metrics.child(ImmutableMap.of(Constants.Metrics.Tag.APP_ENTITY_TYPE, Constants.CONNECTION_SERVICE_NAME, Constants.Metrics.Tag.APP_ENTITY_TYPE_NAME, conn.getConnectionType()));
        child.count(Constants.Metrics.Connection.CONNECTION_BROWSE_COUNT, 1);
    });
}