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
---
 .../wag/egov/egiz/pdf/TextualSignature.java        | 26 +++++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java')

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java
index a52d6dd..668bbcb 100644
--- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java
@@ -23,6 +23,9 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 
+import at.gv.egiz.pdfas.performance.PerformanceCounters;
+import at.gv.egiz.pdfas.exceptions.pdf.TextExtractionException;
+
 import org.apache.log4j.Logger;
 import org.pdfbox.pdfparser.PDFParser;
 import org.pdfbox.pdmodel.PDDocument;
@@ -31,7 +34,6 @@ import org.pdfbox.util.PDFTextStripper;
 import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
 import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
 import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
-import at.knowcenter.wag.egov.egiz.framework.signators.TextualSignator_1_0_0;
 
 import com.lowagie.text.Document;
 import com.lowagie.text.DocumentException;
@@ -52,6 +54,7 @@ public class TextualSignature
   * The logger definition.
   */
   private static final Logger logger_ = ConfigLogger.getLogger(TextualSignature.class);
+  
   /**
    * Extracts the document text from a given pdf.
    * 
@@ -61,8 +64,10 @@ public class TextualSignature
    * @throws PresentableException
    *           Forwarded exception.
    */
-  public static String extractTextTextual(InputStream pdf_stream) throws PresentableException
+  public static String extractTextTextual(InputStream pdf_stream) throws TextExtractionException
   {
+    PerformanceCounters.textExtractions.increment();
+    
     try
     {
       int first_page_rotation = 0;
@@ -79,8 +84,10 @@ public class TextualSignature
     	//iText  
     	
         PdfReader reader = new PdfReader(pdf_stream);
+        pdf_stream.close();
 
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        // PERF: PDF normalization needs byte array - this is costy
+        ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
 
         // For some reason the Reader -> ImportPage -> Writer mechanism produces
         // problems en mass.
@@ -136,7 +143,7 @@ public class TextualSignature
         // }
 
         baos.close();
-        byte[] normalizedPDF = baos.toByteArray();     
+        byte[] normalizedPDF = baos.toByteArray();
 
       ByteArrayInputStream bais = new ByteArrayInputStream(normalizedPDF);
       //PDFBox-parser
@@ -164,9 +171,13 @@ public class TextualSignature
       return text;
 
     }
-    catch (Exception e)
+    catch (IOException e)
+    {
+      throw new TextExtractionException(e);
+    }
+    catch (DocumentException e)
     {
-      throw new PresentableException(e);
+      throw new TextExtractionException(e);
     }
   }
 
@@ -195,6 +206,9 @@ public class TextualSignature
   {
 	//iText  
     PdfReader reader = new PdfReader(input_pdf);
+    input_pdf.close();
+    
+    // PERF: PDF Normalization needs byte array
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     // For some reason the Reader -> ImportPage -> Writer mechanism produces
     // problems en mass.
-- 
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