--- a/src/main/java/de/mpiwg/itgroup/ismi/entry/beans/ApplicationBean.java	Fri Oct 20 12:42:28 2017 +0200
+++ b/src/main/java/de/mpiwg/itgroup/ismi/entry/beans/ApplicationBean.java	Fri Oct 20 12:44:15 2017 +0200
@@ -1,6 +1,9 @@
 package de.mpiwg.itgroup.ismi.entry.beans;
 
 import java.io.Serializable;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -9,11 +12,11 @@
 import javax.faces.model.SelectItem;
 import javax.servlet.http.HttpServletRequest;
 
+import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.lang.StringUtils;
 import org.apache.log4j.Logger;
 import org.mpi.openmind.cache.WrapperService;
 import org.mpi.openmind.configuration.ConfigurationService;
-import org.mpi.openmind.repository.bo.Attribute;
 import org.mpi.openmind.repository.bo.Entity;
 import org.mpi.openmind.repository.services.ServiceRegistry;
 import org.mpi.openmind.search.SearchService;
@@ -106,6 +109,29 @@
 		return sb.toString();
 	}
 	
+	/**
+	 * Returns a URL to the configured QueryBrowser webapp with the query set to the given id.
+	 * 
+	 * @param id
+	 * @return
+	 */
+	public String generateQueryBrowserUrlForId(Long id) {
+	    String baseUrl = this.getConfService().getQueryBrowserUrl();
+	    // generate id_is query for id
+	    String query = String.format("[[\"id_is\",{\"value\":%d}]]", id);
+	    try {
+	        // encode URL and base64
+            String encquery = URLEncoder.encode(query, StandardCharsets.UTF_8.toString());
+            String b64query = Base64.encodeBase64String(encquery.getBytes());
+            String url = baseUrl + "#" + b64query;
+            return url;
+        } catch (UnsupportedEncodingException e) {
+            // this shouldn't happen
+            logger.error(e);
+        }
+	    return null;
+	}
+	
 	public static String CURRENT_WITNESS = "CurrentWitness";
 	public static String CURRENT_CODEX = "CurrentCodex";
 	public static String CURRENT_TEXT = "CurrentText";