1 files changed, 33 insertions, 0 deletions
diff --git a/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Signer.java b/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Signer.java
new file mode 100644
index 00000000..fd7bee09
--- /dev/null
+++ b/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Signer.java
@@ -0,0 +1,33 @@
+package at.asit.pdfover.signator;
+
+/**
+ * PDF Signer base Class
+ * This class should be extended to support libraries such as PDF-AS or PADES.
+ */
+public interface Signer {
+	
+	/**
+	 * Prepare a signature
+	 * Defines signature parameters, the pdf library prepares the pdf document to sign and
+	 * creates a Security Layer Request.
+	 * @param parameter The signature parameters
+	 * @return The signing state (contains the prepared document and the signature request
+	 * @throws SignatureException
+	 */
+	public SigningState prepare(SignatureParameter parameter) throws SignatureException;
+	
+	/**
+	 * Adds the signature to the document.
+	 * The SL Response has to be set in the state
+	 * @param state The signing state
+	 * @return The signature Result
+	 * @throws SignatureException
+	 */
+	public SignResult sign(SigningState state) throws SignatureException;
+	
+	/**
+	 * Creates new signing profile
+	 * @return The new Profile
+	 */
+	public SignatureParameter newParameter();
+}