1 files changed, 72 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderContext.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderContext.java
new file mode 100644
index 0000000..0636304
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderContext.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria 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.pdfas.placeholder;
+
+/**
+ * Store and retrieve {@link SignaturePlaceholderData} in/from a thread local context.
+ * 
+ * @author exthex
+ *
+ */
+public class SignaturePlaceholderContext {
+   
+   private ThreadLocal sigHolder = new ThreadLocal();
+   
+   private static SignaturePlaceholderContext instance = new SignaturePlaceholderContext();
+   
+   /**
+    * Constructor. Private because this is a singleton.
+    */
+   private SignaturePlaceholderContext() {
+      
+   }
+
+   /**
+    * Get the {@link SignaturePlaceholderData} which is currently bound to this thread.
+    * Might be null.
+    * 
+    * @return
+    */
+   public static SignaturePlaceholderData getSignaturePlaceholderData(){
+      return (SignaturePlaceholderData)instance.sigHolder.get();
+   }
+
+   /**
+    * 
+    * @return true if there is currently a {@link SignaturePlaceholderData} bound to this thread, false otherwise.
+    */
+   public static boolean isSignaturePlaceholderDataSet() {
+      return instance.sigHolder.get() != null;
+   }
+
+   /**
+    * Bind a {@link SignaturePlaceholderData} to this thread.
+    * If the given data is null, the context will be cleared.
+    * 
+    * @param data if null, clears the ThreadLocal, else binds the data to the current thread.
+    */
+   public static void setSignaturePlaceholderData(SignaturePlaceholderData data) {
+      instance.sigHolder.set(data);
+   }
+}