//Java Helper Class for Janrain Engage
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;
import java.net.URL;
import java.net.URLEncoder;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.*;
import org.xml.sax.SAXException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
public class Rpx {
private String apiKey;
private String baseUrl;
public Rpx(String apiKey, String baseUrl) {
while (baseUrl.endsWith("/"))
baseUrl = baseUrl.substring(0, baseUrl.length() - 1);
this.apiKey = apiKey;
this.baseUrl = baseUrl;
}
public String getApiKey() { return apiKey; }
public String getBaseUrl() { return baseUrl; }
public Element authInfo(String token) {
Map query = new HashMap();
query.put("token", token);
return apiCall("auth_info", query);
}
public HashMap allMappings() {
Element rsp = apiCall("all_mappings", null);
Element mappings_node = (Element)rsp.getFirstChild();
HashMap result = new HashMap();
NodeList mappings = getNodeList("/rsp/mappings/mapping", rsp);
for (int i = 0; i < mappings.getLength(); i++) {
Element mapping = (Element)mappings.item(i);
List identifiers = new ArrayList();
NodeList rk_list = getNodeList("primaryKey", mapping);
NodeList id_list = getNodeList("identifiers/identifier", mapping);
String remote_key = ((Element)rk_list.item(0)).getTextContent();
for (int j = 0; j < id_list.getLength(); j++) {
Element ident = (Element) id_list.item(j);
identifiers.add(ident.getTextContent());
}
result.put(remote_key, identifiers);
}
return result;
}
private NodeList getNodeList(String xpath_expr, Element root) {
XPathFactory factory = XPathFactory.newInstance();
XPath xpath = factory.newXPath();
try {
return (NodeList) xpath.evaluate(xpath_expr, root, XPathConstants.NODESET);
} catch (XPathExpressionException e) {
return null;
}
}
public List mappings(Object primaryKey) {
Map query = new HashMap();
query.put("primaryKey", primaryKey);
Element rsp = apiCall("mappings", query);
Element oids = (Element)rsp.getFirstChild();
List result = new ArrayList();
NodeList nl = oids.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Element e = (Element)nl.item(i);
result.add(e.getTextContent());
}
return result;
}
public void map(String identifier, Object primaryKey) {
Map query = new HashMap();
query.put("identifier", identifier);
query.put("primaryKey", primaryKey);
apiCall("map", query);
}
public void unmap(String identifier, Object primaryKey) {
Map query = new HashMap();
query.put("identifier", identifier);
query.put("primaryKey", primaryKey);
apiCall("unmap", query);
}
private Element apiCall(String methodName, Map partialQuery) {
Map query = null;
if (partialQuery == null) {
query = new HashMap();
} else {
query = new HashMap(partialQuery);
}
query.put("format", "xml");
query.put("apiKey", apiKey);
StringBuffer sb = new StringBuffer();
for (Iterator it = query.entrySet().iterator(); it.hasNext();) {
if (sb.length() > 0) sb.append('&');
try {
Map.Entry e = (Map.Entry)it.next();
sb.append(URLEncoder.encode(e.getKey().toString(), "UTF-8"));
sb.append('=');
sb.append(URLEncoder.encode(e.getValue().toString(), "UTF-8"));
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("Unexpected encoding error", e);
}
}
String data = sb.toString();
try {
URL url = new URL(baseUrl + "/api/v2/" + methodName);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.connect();
OutputStreamWriter osw = new OutputStreamWriter(
conn.getOutputStream(), "UTF-8");
osw.write(data);
osw.close();
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setIgnoringElementContentWhitespace(true);
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(conn.getInputStream());
Element response = (Element)doc.getFirstChild();
if (!response.getAttribute("stat").equals("ok")) {
throw new RuntimeException("Unexpected API error");
}
return response;
} catch (MalformedURLException e) {
throw new RuntimeException("Unexpected URL error", e);
} catch (IOException e) {
throw new RuntimeException("Unexpected IO error", e);
} catch (ParserConfigurationException e) {
throw new RuntimeException("Unexpected XML error", e);
} catch (SAXException e) {
throw new RuntimeException("Unexpected XML error", e);
}
}
public static void main(String [] args) {
if (args.length < 3) {
System.out.println("Usage: Rpx [...]");
System.exit(1);
}
Rpx r = new Rpx(args[0], args[1]);
if (args[2].equals("mappings")) {
System.out.println("Mappings for " + args[3] + ":");
System.out.println(r.mappings(args[3]));
}
if (args[2].equals("map")) {
System.out.println(args[3] + " mapped to " + args[4]);
r.map(args[3], args[4]);
}
if (args[2].equals("unmap")) {
System.out.println(args[3] + " unmapped from " + args[4]);
r.unmap(args[3], args[4]);
}
if (args[2].equals("all_mappings")) {
System.out.println("All mappings:");
System.out.println(r.allMappings().toString());
}
}
}
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