social-service-client/src/main/java/org/gcube/social_networking/social_networking_client_li.../FullTextSearchClient.java

51 lines
1.9 KiB
Java

package org.gcube.social_networking.social_networking_client_library;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import javax.ws.rs.core.GenericType;
import org.apache.commons.lang.Validate;
import org.gcube.portal.databook.shared.EnhancedFeed;
import org.gcube.social_networking.social_networking_client_library.utils.HttpClient;
import org.gcube.social_networking.socialnetworking.model.output.ResponseBean;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Client for full text search over social content.
* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
*/
public class FullTextSearchClient extends BaseClient{
private static final String SUB_SERVICE_PATH = "2/full-text-search/";
private static Logger logger = LoggerFactory.getLogger(FullTextSearchClient.class);
public FullTextSearchClient() throws Exception {
super(SUB_SERVICE_PATH);
}
/**
* Perform a search query over social data
* @param query
* @param from a value greater or equal to zero
* @param quantity a value greater than zero
* @return a list of matching posts
* @throws UnsupportedEncodingException
*/
public ArrayList<EnhancedFeed> search(String query, int from, int quantity) throws UnsupportedEncodingException{
Validate.isTrue(query != null, "Query cannot be null");
Validate.isTrue(from >= 0, "From needs to be greater or equal to zero");
Validate.isTrue(quantity >= 0, "Quantity needs to be greater or equal to zero");
logger.debug("Request for query " + query + " and from " + from + " and quantity is " + quantity);
String thisMethodSignature = "search-by-query";
String request = getServiceEndpoint() + thisMethodSignature + "?" + "query=" + URLEncoder.encode(query, "UTF-8") + "&from=" + from + "&quantity=" + quantity;
return HttpClient.get(new GenericType<ResponseBean<ArrayList<EnhancedFeed>>>(){}, request);
}
}