Added gcube-url-shortener as new dependency, so I've removed internal classes for shortener
git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace-tree-widget@131346 82a268e6-3cf1-43bd-a215-b396298e98cftask/19600
parent
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/**
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*
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*/
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package org.gcube.portlets.user.workspace.server.shortener;
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import java.io.IOException;
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import java.util.Map;
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import org.apache.commons.httpclient.Credentials;
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import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
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import org.apache.commons.httpclient.HttpClient;
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import org.apache.commons.httpclient.HttpException;
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import org.apache.commons.httpclient.HttpStatus;
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import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
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import org.apache.commons.httpclient.UsernamePasswordCredentials;
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import org.apache.commons.httpclient.auth.AuthScope;
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import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
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import org.apache.commons.httpclient.methods.GetMethod;
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import org.apache.commons.httpclient.methods.PostMethod;
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import org.apache.commons.httpclient.params.HttpMethodParams;
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/**
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* @Jun 4, 2013
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*
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*/
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public class HttpCallerUtil {
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public static final org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(HttpCallerUtil.class);
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public static final int TIME_OUT_REQUESTS = 5000;
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private String urlService = "";
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private HttpClient httpClient = null;
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private String username = "";
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private String password = "";
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public HttpCallerUtil(String url, String user, String password) {
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this.urlService = url;
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MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
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connectionManager.getParams().setSoTimeout(TIME_OUT_REQUESTS);
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this.httpClient = new HttpClient(connectionManager);
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this.username = user;
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this.password = password;
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Credentials defaultcreds = new UsernamePasswordCredentials(user, password);
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httpClient.getState().setCredentials(AuthScope.ANY, defaultcreds);
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}
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public String callGet(String urlMethod, Map<String, String> parameters) throws Exception {
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// Create an instance of HttpClient.
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HttpClient client = new HttpClient();
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String query = UrlEncoderUtil.encodeQueryValues(parameters);
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String fullUrl = urlService+"/"+urlMethod+"?"+query;
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logger.info("call get .... " + fullUrl);
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// Create a method instance.
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GetMethod method = new GetMethod(fullUrl);
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// Provide custom retry handler is necessary
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method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
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try {
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// Execute the method.
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int statusCode = client.executeMethod(method);
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if (statusCode != HttpStatus.SC_OK) {
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logger.error("Method failed: " + method.getStatusLine());
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}
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// Read the response body.
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byte[] responseBody = method.getResponseBody();
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// Deal with the response.
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// Use caution: ensure correct character encoding and is not binary
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// data
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return new String(responseBody);
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} catch (HttpException e) {
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logger.error("Fatal protocol violation: " + e.getMessage());
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throw new Exception("Fatal protocol violation: " + e.getMessage());
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} catch (IOException e) {
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logger.error("Fatal transport error: " + e.getMessage());
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throw new Exception("Fatal transport violation: " + e.getMessage());
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} finally {
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// Release the connection.
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method.releaseConnection();
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}
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}
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public String callPost(String urlMethod, String body, String contentType) throws Exception {
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// Create a method instance.
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PostMethod method = new PostMethod(this.urlService + "/" + urlMethod);
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method.setRequestHeader("Content-type", contentType);
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logger.trace("call post .... " + this.urlService + "/" + urlMethod);
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logger.debug(" call post body.... " + body);
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// System.out.println("post body .... " + body);
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method.setRequestEntity(new ByteArrayRequestEntity(body.getBytes()));
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// Provide custom retry handler is necessary
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// method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,new DefaultHttpMethodRetryHandler(3, false));
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byte[] responseBody = null;
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try {
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// Execute the method.
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int statusCode = httpClient.executeMethod(method);
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if (statusCode != HttpStatus.SC_OK && statusCode != HttpStatus.SC_CREATED) {
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logger.error("Method failed: " + method.getStatusLine()+"; Response bpdy: "+method.getResponseBody());
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method.releaseConnection();
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throw new Exception("Method failed: " + method.getStatusLine()+"; Response body: "+new String(method.getResponseBody()));
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}
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// Read the response body.
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responseBody = method.getResponseBody();
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// Deal with the response.
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// Use caution: ensure correct character encoding and is not binary data
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// System.out.println(new String(responseBody));
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} catch (HttpException e) {
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logger.error("Fatal protocol violation: ", e);
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// e.printStackTrace();
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method.releaseConnection();
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throw new Exception("Fatal protocol violation: " + e.getMessage());
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} catch (Exception e) {
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logger.error("Fatal transport error: ", e);
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// e.printStackTrace();
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method.releaseConnection();
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throw new Exception("Fatal transport error: " + e.getMessage());
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}
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method.releaseConnection();
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return new String(responseBody);
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}
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public String getUrlservice() {
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return urlService;
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}
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public void setUrlservice(String urlservice) {
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this.urlService = urlservice;
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}
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public HttpClient getClient() {
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return httpClient;
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}
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public void setClient(HttpClient client) {
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this.httpClient = client;
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}
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public String getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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public String getPassword() {
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return password;
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}
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public void setPassword(String password) {
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this.password = password;
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}
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}
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@ -1,232 +0,0 @@
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/**
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*
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*/
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package org.gcube.portlets.user.workspace.server.shortener;
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/**
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* @Jun 28, 2013
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*
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*/
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import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
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import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.gcube.common.resources.gcore.ServiceEndpoint;
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import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.portlets.user.workspace.server.util.scope.ScopeUtilFilter;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.impl.XQuery;
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import org.json.JSONObject;
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import org.json.JSONTokener;
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public final class UrlShortener {
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/**
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*
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*/
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protected static final String NO_HTTP_URL_SHORTENER_AVAILABLE = "No HTTP URL Shortener available";
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protected static final String APPLICATION_JSON = "application/json";
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protected static final String LONG_URL = "longUrl";
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// protected static String shortnerServerUrl = "https://www.googleapis.com/urlshortener/v1/url";
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// protected static String urlMethod = "";
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// protected static String authenticationKeyParam = "key";
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// protected static String authenticationKeyValue ="AIzaSyDfMO0VY3o8GjRUqnTfqScjm_EsFEuBa3g";
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private static String shortnerServerUrl = "";
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protected static final String KEY = "key";
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private static String paramKeyValue ="";
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protected static Logger logger = Logger.getLogger(UrlShortener.class);
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private String uriRequest;
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private boolean isAvailable = false;
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/*
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* @throws Exception
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* @throws InvalidResultException
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* @throws DiscoveryException
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* @throws IllegalStateException *
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*
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*/
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public UrlShortener(String scope) throws Exception {
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try{
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logger.trace("Tentative reading HTTP-URL-Shortener RR");
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ScopeUtilFilter scopeUtil = new ScopeUtilFilter(scope,true);
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ScopeProvider.instance.set(scopeUtil.getScopeRoot());
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XQuery query = queryFor(ServiceEndpoint.class);
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query.addCondition("$resource/Profile/Name/text() eq 'HTTP-URL-Shortener'").setResult("$resource/Profile/AccessPoint");
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DiscoveryClient<AccessPoint> client = clientFor(AccessPoint.class);
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List<AccessPoint> endpoints = client.submit(query);
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if (endpoints.size() == 0){
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isAvailable = false;
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logger.trace("HTTP-URL-Shortener not found");
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throw new Exception(NO_HTTP_URL_SHORTENER_AVAILABLE);
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}
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//Base Address
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// System.out.println(endpoints.get(0).address());
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shortnerServerUrl = endpoints.get(0)!=null?endpoints.get(0).address():"";
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if(endpoints.get(0)!=null){
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paramKeyValue = endpoints.get(0).propertyMap()!=null?endpoints.get(0).propertyMap().get(KEY).value():"";
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}
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String getParam = "";
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logger.trace("paramKeyValue: "+paramKeyValue);
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//ACTIVE THIS AFTER RELEASE
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if(paramKeyValue!=null && !paramKeyValue.isEmpty()){
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getParam = "?"+KEY +"="+paramKeyValue;
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}
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uriRequest = shortnerServerUrl+getParam;
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logger.trace("HTTP-URL-Shortener found, uriRequest: "+uriRequest);
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//DEBUG
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// System.out.println("HTTP-URL-Shortener found, uriRequest: "+uriRequest);
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isAvailable = true;
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}catch (Exception e) {
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isAvailable = false;
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logger.error("an error occurred in reading RR: ", e);
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throw new Exception(NO_HTTP_URL_SHORTENER_AVAILABLE);
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}finally{
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ScopeProvider.instance.reset();
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}
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}
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public boolean isAvailable() {
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return isAvailable;
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}
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/**
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*
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* @param longUrl
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* @return a shorten url
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*/
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public String shorten(String longUrl) throws Exception{
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if (longUrl == null) {
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return longUrl;
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}
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try {
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logger.trace("shorten longUrl: "+longUrl);
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URL url = new URL(uriRequest);
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HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setDoOutput(true);
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connection.setRequestMethod("POST");
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connection.setRequestProperty("Content-Type", APPLICATION_JSON);
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JSONObject jsonObj = new JSONObject();
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jsonObj.put(LONG_URL, longUrl);
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// //ACTIVE THIS AFTER RELEASE
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// if(paramKeyValue!=null && !paramKeyValue.isEmpty()){
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// jsonObj.put(KEY, paramKeyValue);
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// }
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logger.trace("request json : "+jsonObj.toString());
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OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
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wr.write(jsonObj.toString());
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wr.flush();
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BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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JSONTokener tokener = new JSONTokener(rd);
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JSONObject jsonObject = new JSONObject(tokener);
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// JSONParser parser = new JSONParser();
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// JSONObject jsonObject = (JSONObject) parser.parse(rd);
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logger.trace("response received json : "+jsonObject.toString());
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wr.close();
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rd.close();
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return (String) jsonObject.get("id"); //is shorted url
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} catch (MalformedURLException e) {
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logger.error("MalformedURLException error in UrlShortener", e);
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return longUrl;
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} catch (IOException e) {
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e.printStackTrace();
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logger.error("IOException error in UrlShortener", e);
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return longUrl;
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}
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}
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public static String getShortnerServerUrl() {
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return shortnerServerUrl;
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}
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public static String getKey() {
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return KEY;
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}
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public static String getParamKeyValue() {
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return paramKeyValue;
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}
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public String getUriRequest() {
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return uriRequest;
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}
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("UrlShortener [uriRequest=");
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builder.append(uriRequest);
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builder.append(", isAvailable=");
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builder.append(isAvailable);
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builder.append("]");
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return builder.toString();
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}
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public static void main(String[] args) {
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String shorten;
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try {
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UrlShortener urlSh = new UrlShortener("/d4science.research-infrastructures.eu");
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System.out.println("UrlShortener: "+urlSh);
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shorten = urlSh.shorten("https://dev.d4science.org/group/data-e-infrastructure-gateway/workspace?itemid=056648-c7ce-4de3-a4c7-e1411816cc12&operation=gotofolder");
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System.out.println("Shorted: "+shorten);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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