1 files changed, 33 insertions, 0 deletions
diff --git a/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/utils/SamlHttpUtils.java b/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/utils/SamlHttpUtils.java
new file mode 100644
index 00000000..2e02bf22
--- /dev/null
+++ b/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/utils/SamlHttpUtils.java
@@ -0,0 +1,33 @@
+package at.gv.egiz.eaaf.modules.pvp2.impl.utils;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
+
+public class SamlHttpUtils {
+
+  /**
+   * Always read the last parameter with this name from request to get a strict
+   * deterministic behavior. <br>
+   * <br>
+   * <b><i>If more than one parameters with the same name exists, this method
+   * always select the last parameter value.</i></b>
+   *
+   * @param request   Incoming http request
+   * @param paramName Name of the http parameter
+   * @return the last parameter value with this name, or <code>null</code> if the
+   *         parameter not exists
+   */
+  @Nullable
+  public static String getLastParameterFromRequest(@Nonnull HttpServletRequest request,
+      @Nonnull String paramName) {
+    final String[] values = request.getParameterValues(paramName);
+    if (values != null && values.length > 0) {
+      return values[values.length - 1];
+
+    }
+
+    return null;
+
+  }
+}