From 0872d2d8a64fd701776b272f49222428d8def07f Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Tue, 3 Nov 2015 14:38:34 +0100
Subject: initial commit

---
 .../moa/spss/server/invoke/InvokerUtils.java       | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/InvokerUtils.java

(limited to 'moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/InvokerUtils.java')

diff --git a/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/InvokerUtils.java b/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/InvokerUtils.java
new file mode 100644
index 0000000..0bca8ae
--- /dev/null
+++ b/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/InvokerUtils.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2003 Federal Chancellery Austria
+ * MOA-SPSS 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.egovernment.moa.spss.server.invoke;
+
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import at.gv.egovernment.moa.util.XPathException;
+import at.gv.egovernment.moa.util.XPathUtils;
+
+import at.gv.egovernment.moa.spss.MOAApplicationException;
+import at.gv.egovernment.moa.spss.api.common.ElementSelector;
+
+/**
+ * Utility methods for invoking the IAIK MOA modules.
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class InvokerUtils {
+
+  /**
+   * Select the signature parent element.
+   * 
+   * @param root The root DOM element which contains the signature parent
+   * element somewhere in its subtree.
+   * @param location The <code>ElementSelector</code> containing the XPath 
+   * expression to select the signature parent element from the document. 
+   * It is also contains the namespace prefix to URI mapping.
+   * @return Element The signature parent element.
+   * @throws MOAApplicationException An error occurred evaluating the
+   * <code>location</code>.
+   */
+  public static Element evaluateSignatureLocation(
+    Element root,
+    ElementSelector location)
+    throws MOAApplicationException {
+
+    NodeList nodes;
+
+    try {
+      nodes =
+        XPathUtils.selectNodeList(
+          root,
+          location.getNamespaceDeclarations(),
+          location.getXPathExpression());
+    } catch (XPathException e) {
+      throw new MOAApplicationException(
+        "2212",
+        new Object[] { location.getXPathExpression()},
+        e);
+    }
+
+    if (nodes.getLength() != 1
+      || !(nodes.item(0).getNodeType() == Node.ELEMENT_NODE)) {
+      throw new MOAApplicationException(
+        "2212",
+        new Object[] { location.getXPathExpression()});
+    }
+    return (Element) nodes.item(0);
+  }
+
+
+}
-- 
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