Basic import and export examples

Author: NavNorth-Todd

examples/export_simple_document.jsp

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+<%@ page import="java.util.*,com.navnorth.learningregistry.*" %>
+
+<%
+// Setup exporter
+int batchSize = 100;
+String url = "lrtest02.learningregistry.org";
+LRExporter exporterLR = new LRExporter(batchSize, url);
+
+// Configure exporter
+try
+{
+exporterLR.configure();
+}
+catch (LRException e)
+{
+return;
+}
+
+// Setup signer
+String publicKeyLocation = "publicly accessible url of public key";
+String privateKey = "location on disk of private key";
+String passPhrase = "pass phrase";
+LRSigner signerLR = new LRSigner(publicKeyLocation, privateKey, passPhrase);
+
+// Setup envelope parameters
+// These values will usually remain the same for all envelopes of the same schema and type
+String[] payloadSchema = new String[1];
+payloadSchema[0] = "NSDL DC 1.02.020";
+String resourceDataType = "metadata";
+String payloadSchemaURL = "url of schema description";
+String payloadPlacement = "inline";
+
+// Setup data parameters
+// These values depend on the data being drawn on
+String rData = "resource data";
+String rUrl = "url of resource";
+String curator = "Curator";
+String provider = "Provider";
+String keys[] = new String[2];
+keys[0] = "example key one";
+keys[1] = "example key two";
+String submitter = "Submitter";
+String submitterType = "agent";
+String submissionTOS = "Submitter TOS";
+String submissionAttribution = "Submitter Attribution";
+String signer = "Signer";
+
+// Build resource envelope
+// In a production environment, you would likely put many envelopes into the exporter before sending the data
+LREnvelope doc = new LRSimpleDocument(rData, resourceDataType, rUrl, curator, provider, keys, payloadPlacement, payloadSchemaURL, payloadSchema, submitter, submitterType, submissionTOS, submissionAttribution, signer);
+
+// Add envelope to exporter
+exporterLR.addDocument(doc);
+
+// Send data and get responses
+List<LRResponse> responses;
+try
+{
+responses = exporterLR.sendData();
+}
+catch(LRException e)
+{
+return;
+}
+
+// Parse responses
+out.print("<h1>Export Results</h1>");
+for (LRResponse res : responses)
+{
+out.print("<h2>Batch Results</h2>");
+out.print("Status Code: " + res.getStatusCode());
+out.print("<br/>");
+out.print("Status Reason: " + res.getStatusReason());
+out.print("<br/>");
+out.print("Batch Success: " + res.getBatchSuccess());
+out.print("<br/>");
+out.print("Batch Response: " + res.getBatchResponse());
+out.print("<br/>");
+out.print("<br/>");
+out.print("<h3>Exported Resources</h3>");
+
+for(String id : res.getResourceSuccess())
+{
+out.print("Id: " + id);
+out.print("<br/>");
+}
+
+out.print("<br/>");
+out.print("<h3>Export Errors</h3>");
+
+for(String message : res.getResourceFailure())
+{
+out.print("Error: " + message);
+out.print("<br/>");
+}
+}
+%>

examples/import_data.jsp

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+<%@ page import="org.json.*,java.util.*,com.navnorth.learningregistry.*" %>
+
+<%
+
+// Setup importer
+String node = "lrtest02.learningregistry.org";
+LRImporter importerLR = new LRImporter(node, true);
+
+// Make harvest query based on a given resource url
+String id = "http://www.google.com";
+LRResult result = importerLR.getHarvestJSONData(id, true, false);
+
+// Get data from result
+// This is raw JSON data from the Learning Registry node
+JSONObject json = result.getData();
+
+try
+{
+out.print(json.toString());
+}
+catch(Exception e)
+{
+return;
+}
+
+%>