State Machine refactoring

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@23 174cde9d-5d70-4d2a-aa98-46368bc2aaf7

1 files changed, 72 insertions, 0 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/PDFSignerImpl.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/PDFSignerImpl.java
new file mode 100644
index 00000000..812e6ba0
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/PDFSignerImpl.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * 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://joinup.ec.europa.eu/software/page/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.
+ */
+package at.asit.pdfover.gui.workflow;
+
+// Imports
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.signator.Signator;
+import at.asit.pdfover.signator.Signator.Signers;
+import at.asit.pdfover.signator.Signer;
+
+/**
+ * 
+ */
+public class PDFSignerImpl implements PDFSigner {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	@SuppressWarnings("unused")
+	private static final Logger log = LoggerFactory
+			.getLogger(PDFSignerImpl.class);
+
+	private Signers signer = Signator.Signers.PDFAS;
+	
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.workflow.PDFSigner#getPDFSignerType()
+	 */
+	@Override
+	public Signers getUsedPDFSignerLibrary() {
+		return this.signer;
+	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.workflow.PDFSigner#setPDFSignerType(at.asit.pdfover.signator.Signator.Signers)
+	 */
+	@Override
+	public void setUsedPDFSignerLibrary(Signers signer) {
+		if(signer != this.signer) {
+			// TYPE CHANGE remove cached signer!
+			this.signerLib = null;
+		}
+		this.signer = signer;
+	}
+
+	private Signer signerLib;
+	
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.workflow.PDFSigner#getPDFSigner()
+	 */
+	@Override
+	public Signer getPDFSigner() {
+		if(this.signerLib == null) {
+			this.signerLib = Signator.getSigner(getUsedPDFSignerLibrary());
+		}
+		return this.signerLib;
+	}
+
+}