From 3d982813b34f6f230baf4a467cdc37ec92a77595 Mon Sep 17 00:00:00 2001
From: netconomy <netconomy@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 17 Aug 2007 06:10:56 +0000
Subject: Performance

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@167 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../framework/vfilter/VerificationFilter.java      | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/main/java/at/gv/egiz/pdfas/framework/vfilter/VerificationFilter.java

(limited to 'src/main/java/at/gv/egiz/pdfas/framework/vfilter/VerificationFilter.java')

diff --git a/src/main/java/at/gv/egiz/pdfas/framework/vfilter/VerificationFilter.java b/src/main/java/at/gv/egiz/pdfas/framework/vfilter/VerificationFilter.java
new file mode 100644
index 0000000..1633b09
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/framework/vfilter/VerificationFilter.java
@@ -0,0 +1,52 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.framework.vfilter;
+
+import java.util.List;
+
+import at.gv.egiz.pdfas.exceptions.framework.VerificationFilterException;
+import at.gv.egiz.pdfas.framework.input.PdfDataSource;
+import at.gv.egiz.pdfas.framework.input.TextDataSource;
+
+/**
+ * Extracts all signatures from a given PDF document or text.
+ * 
+ * @see VerificationFilterParameters
+ * 
+ * @author wprinz
+ */
+public interface VerificationFilter
+{
+
+  /**
+   * Extracts the signatures from the given PDF.
+   * 
+   * @param pdf
+   *          The PDF.
+   * @param blocks
+   *          The List of Incremental Update blocks. Usually this comes from a
+   *          preprocessing step.
+   * @param parameters
+   *          The algorithm parameters.
+   * @return Returns a List of SignatureHolders containing the signatures. May
+   *         be empty in case no signatures have been found.
+   * @throws VerificationFilterException
+   *           Thrown if something goes wrong.
+   */
+  public List extractSignatureHolders(PdfDataSource pdf, List blocks, VerificationFilterParameters parameters) throws VerificationFilterException;
+
+  /**
+   * Extracts the text signatures from the given free-text.
+   * 
+   * @param text
+   *          The free-text.
+   * @param parameters
+   *          The algorithm parameters.
+   * @return Returns a List of SignatureHolders containing the signatures. May
+   *         be empty in case no signatures have been found.
+   * @throws VerificationFilterException
+   *           Thrown if something goes wrong.
+   */
+  public List extractSignaturHolders(TextDataSource text, VerificationFilterParameters parameters) throws VerificationFilterException;
+}
-- 
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