From 840d6a4b71e5c8c0273be231a85306be26356933 Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Wed, 2 Dec 2009 18:10:49 +0000
Subject: Two demos added, showing extraction of non-textual objects during
 signature and verification

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@484 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 src/main/java/demo/SignatureVerificationDemo.java | 115 ++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/main/java/demo/SignatureVerificationDemo.java

(limited to 'src/main/java/demo/SignatureVerificationDemo.java')

diff --git a/src/main/java/demo/SignatureVerificationDemo.java b/src/main/java/demo/SignatureVerificationDemo.java
new file mode 100644
index 0000000..498849d
--- /dev/null
+++ b/src/main/java/demo/SignatureVerificationDemo.java
@@ -0,0 +1,115 @@
+package demo;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Iterator;
+import java.util.List;
+
+import at.gv.egiz.pdfas.PdfAsFactory;
+import at.gv.egiz.pdfas.api.PdfAs;
+import at.gv.egiz.pdfas.api.analyze.AnalyzeParameters;
+import at.gv.egiz.pdfas.api.analyze.AnalyzeResult;
+import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;
+import at.gv.egiz.pdfas.api.commons.Constants;
+import at.gv.egiz.pdfas.api.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.api.io.DataSource;
+import at.gv.egiz.pdfas.api.verify.VerifyAfterAnalysisParameters;
+import at.gv.egiz.pdfas.api.verify.VerifyResult;
+import at.gv.egiz.pdfas.api.verify.VerifyResults;
+import at.gv.egiz.pdfas.commandline.Main;
+import at.gv.egiz.pdfas.framework.config.SettingsHelper;
+import at.gv.egiz.pdfas.framework.vfilter.VerificationFilterParameters;
+import at.gv.egiz.pdfas.io.FileBasedDataSource;
+
+public class SignatureVerificationDemo {
+
+   /**
+    * Starts a demo that verifies a document.
+    * 
+    * @param args
+    *           The parameter(s).
+    */
+   public static void main(String[] args) {
+
+      if (args == null || args.length == 0) {
+         System.err.println("Please provide path of file to be verified.");
+         System.exit(1);
+      }
+      
+      File configdir = new File("./work");
+      File signedFile = new File(args[0]);
+
+      try {
+
+         // instantiate api
+         PdfAs pdfasAPI = PdfAsFactory.createPdfAs(configdir);
+
+         // set source
+         DataSource dataSource = new FileBasedDataSource(signedFile, "application/pdf");
+
+         // evaluate settings
+         VerificationFilterParameters parameters = SettingsHelper.readVerificationFilterParametersFromSettings();
+         String verifyMode = Constants.VERIFY_MODE_FULL_CONSERVATIVE;
+
+         if (parameters.extractBinarySignaturesOnly()) {
+            verifyMode = Constants.VERIFY_MODE_BINARY_ONLY;
+         } else if (parameters.assumeOnlySignatureUpdateBlocks()) {
+            verifyMode = Constants.VERIFY_MODE_SEMI_CONSERVATIVE;
+         } else {
+            verifyMode = Constants.VERIFY_MODE_FULL_CONSERVATIVE;
+         }
+
+         // configure analyze parameters
+         AnalyzeParameters analyzeParameters = new AnalyzeParameters();
+         analyzeParameters.setDocument(dataSource);
+         analyzeParameters.setVerifyMode(verifyMode);
+         analyzeParameters.setReturnNonTextualObjects(true);
+
+         // analyze
+         System.out.println("Analyzing...");
+         AnalyzeResult analyzeResult = pdfasAPI.analyze(analyzeParameters);
+         System.out.println("Successfully analyzed.");
+         
+         // setup verification
+         VerifyAfterAnalysisParameters vaap = new VerifyAfterAnalysisParameters();
+         vaap.setAnalyzeResult(analyzeResult);
+         vaap.setReturnHashInputData(true);
+         vaap.setSignatureDevice(Constants.SIGNATURE_DEVICE_MOA);
+         vaap.setVerificationTime(null);
+
+         // invoke verification
+         System.out.println("Verifying...");
+         VerifyResults verifyResults = pdfasAPI.verify(vaap);
+         List verifyResultList = verifyResults.getResults();
+         System.out.println("Verification complete.");
+
+         // iterate over results
+         PrintWriter out = new PrintWriter(System.out);
+         Iterator it = verifyResultList.iterator();
+         while (it.hasNext()) {
+            VerifyResult result = (VerifyResult) it.next();
+            Main.formatVerifyResult(result, out);
+         }
+         out.flush();
+         
+         // check if non textual elements have been detected
+         if (analyzeResult.hasNonTextualObjects()) {
+            System.out.println("\nWARNING: Non textual objects detected.");
+            Iterator noit = analyzeResult.getNonTextualObjects().iterator();
+            while (noit.hasNext()) {
+               NonTextObjectInfo info = (NonTextObjectInfo) noit.next();
+               System.out.println("  -> " + info.toString());
+            }
+            System.out.println();
+         }
+         
+      } catch (PdfAsException e) {
+         e.printStackTrace();
+      } catch (IOException e) {
+         e.printStackTrace();
+      }
+
+   }
+
+}
-- 
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