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diff --git a/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/DataUrlBuilder.java b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/DataUrlBuilder.java
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+++ b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/DataUrlBuilder.java
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+/*
+ * Copyright 2014 Federal Chancellery Austria MOA-ID has been developed in a cooperation between
+ * BRZ, the Federal Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by the European
+ * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work except in
+ * compliance with the Licence. You may obtain a copy of the Licence at: http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the Licence
+ * is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the Licence for the specific language governing permissions and limitations under
+ * the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text file for details on the
+ * various modules and licenses. The "NOTICE" text file is part of the distribution. Any derivative
+ * works that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+package at.gv.egiz.eaaf.core.impl.utils;
+
+import org.apache.commons.lang3.StringUtils;
+
+import at.gv.egiz.eaaf.core.api.data.EAAFConstants;
+
+/**
+ * Builds a DataURL parameter meant for the security layer implementation to respond to.
+ *
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class DataUrlBuilder {
+
+  /**
+   * Constructor for DataURLBuilder.
+   */
+  public DataUrlBuilder() {
+    super();
+  }
+
+  /**
+   * Constructs a data URL for <code>VerifyIdentityLink</code> or
+   * <code>VerifyAuthenticationBlock</code>, including the <code>MOASessionID</code> as a parameter.
+   *
+   * @param authBaseUrl base URL (context path) of the MOA ID Authentication component, including a
+   *        trailing <code>'/'</code>
+   * @param authServletName request part of the data URL
+   * @param pendingReqId sessionID to be included in the dataURL
+   * @return String
+   */
+  public String buildDataUrl(String authBaseUrl, String authServletName,
+      final String pendingReqId) {
+    String dataUrl;
+    if (!authBaseUrl.endsWith("/")) {
+      authBaseUrl += "/";
+    }
+
+    if (authServletName.startsWith("/")) {
+      authServletName = authServletName.substring(1);
+    }
+
+    dataUrl = authBaseUrl + authServletName;
+
+    if (StringUtils.isNotEmpty(pendingReqId)) {
+      dataUrl =
+          addParameter(dataUrl, EAAFConstants.PARAM_HTTP_TARGET_PENDINGREQUESTID, pendingReqId);
+    }
+
+    return dataUrl;
+  }
+
+  /**
+   * Method addParameter.
+   * 
+   * @param urlString represents the url
+   * @param paramname is the parameter to be added
+   * @param value is the value of that parameter
+   * @return String
+   */
+  private String addParameter(final String urlString, final String paramname, final String value) {
+    String url = urlString;
+    if (paramname != null) {
+      if (url.indexOf("?") < 0) {
+        url += "?";
+      } else {
+        url += "&";
+      }
+      url += paramname + "=" + value;
+    }
+    return url;
+  }
+}