Don't use raw types! Also check casts where possible

24 files changed, 74 insertions, 54 deletions

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderContext.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderContext.java
index f09202ae..3c8a6d76 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderContext.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderContext.java
@@ -54,7 +54,7 @@ package at.gv.egiz.pdfas.lib.impl.placeholder;
  */
 public class SignaturePlaceholderContext {
    
-   private ThreadLocal sigHolder = new ThreadLocal();
+   private ThreadLocal<SignaturePlaceholderData> sigHolder = new ThreadLocal<SignaturePlaceholderData>();
    
    private static SignaturePlaceholderContext instance = new SignaturePlaceholderContext();
    
@@ -72,7 +72,7 @@ public class SignaturePlaceholderContext {
     * @return
     */
    public static SignaturePlaceholderData getSignaturePlaceholderData(){
-      return (SignaturePlaceholderData)instance.sigHolder.get();
+      return instance.sigHolder.get();
    }
 
    /**
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderExtractor.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderExtractor.java
index 52e25781..816ca04f 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderExtractor.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/placeholder/SignaturePlaceholderExtractor.java
@@ -59,6 +59,7 @@ import java.util.Vector;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.exceptions.WrappedIOException;
 import org.apache.pdfbox.pdmodel.PDDocument;
@@ -107,7 +108,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
    public static final int PLACEHOLDER_MATCH_MODE_MODERATE = 1;
    public static final int PLACEHOLDER_MATCH_MODE_LENIENT = 2;
    
-   private List placeholders = new Vector();
+   private List<SignaturePlaceholderData> placeholders = new Vector<SignaturePlaceholderData>();
    private int currentPage = 0;
 
    private SignaturePlaceholderExtractor(String placeholderId, int placeholderMatchMode) throws IOException {
@@ -143,8 +144,8 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
          } catch (IOException e2) {
             throw new PDFIOException("error.pdf.io.04", e2);
          }
-         List pages = doc.getDocumentCatalog().getAllPages();
-         Iterator iter = pages.iterator();
+         List<?> pages = doc.getDocumentCatalog().getAllPages();
+         Iterator<?> iter = pages.iterator();
          int pageNr = 0;
          while (iter.hasNext()) {
             pageNr++;
@@ -185,7 +186,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
    }
 
    private static SignaturePlaceholderData matchPlaceholderDocument(
-         List placeholders, String placeholderId, int matchMode) throws PlaceholderExtractionException {
+         List<SignaturePlaceholderData> placeholders, String placeholderId, int matchMode) throws PlaceholderExtractionException {
 
       if (matchMode == PLACEHOLDER_MATCH_MODE_STRICT)
          throw new PlaceholderExtractionException("error.pdf.stamp.09");
@@ -195,24 +196,24 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
 
       for (int i = 0; i < placeholders.size(); i++)
       {
-         SignaturePlaceholderData spd = (SignaturePlaceholderData)placeholders.get(i);
+         SignaturePlaceholderData spd = placeholders.get(i);
          if (spd.getId() == null)
             return spd;
       }
 
       if (matchMode == PLACEHOLDER_MATCH_MODE_LENIENT)
-         return (SignaturePlaceholderData)placeholders.get(0);
+         return placeholders.get(0);
 
       return null;
    }
 
-   private static SignaturePlaceholderData matchPlaceholderPage(List placeholders,
+   private static SignaturePlaceholderData matchPlaceholderPage(List<SignaturePlaceholderData> placeholders,
          String placeholderId, int matchMode) {
       if (placeholders.size() == 0)
          return null;
       for (int i = 0; i < placeholders.size(); i++)
       {
-         SignaturePlaceholderData data = (SignaturePlaceholderData)placeholders.get(i);
+         SignaturePlaceholderData data = placeholders.get(i);
          if (placeholderId != null && placeholderId.equals(data.getId()))
             return data;
          if (placeholderId == null && data.getId() == null)
@@ -225,13 +226,14 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
       this.currentPage = pageNr;
    }
 
-   protected void processOperator( PDFOperator operator, List arguments ) throws IOException
+   @Override
+   protected void processOperator(PDFOperator operator, List<COSBase> arguments) throws IOException
    {
 	   String operation = operator.getOperation();
 	  if( operation.equals( "Do" ) )
        {
 		   COSName objectName = (COSName)arguments.get( 0 );
-           Map xobjects = getResources().getXObjects();
+           Map<?, ?> xobjects = getResources().getXObjects();
            PDXObject xobject = (PDXObject)xobjects.get( objectName.getName() );
            if( xobject instanceof PDXObjectImage )
            {
@@ -278,7 +280,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
        }
        else
        {
-    	   super.processOperator( operator, arguments );
+           super.processOperator(operator, arguments);
        }
    }
 
@@ -311,8 +313,8 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
       Result result;
       long before = System.currentTimeMillis();
       try {
-    	 Hashtable hints = new Hashtable();
-         Vector formats = new Vector();
+         Hashtable<DecodeHintType, Vector<BarcodeFormat>> hints = new Hashtable<DecodeHintType, Vector<BarcodeFormat>>();
+         Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
          formats.add(BarcodeFormat.QR_CODE);
          hints.put(DecodeHintType.POSSIBLE_FORMATS, formats);
          result = new MultiFormatReader().decode(bitmap, hints);
@@ -326,7 +328,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
             if (text.startsWith(QR_PLACEHOLDER_IDENTIFIER)) {
                String[] data = text.split(";");
                if (data.length > 1) {
-            	  for (int i = 1; i < data.length; i++) {
+                  for (int i = 1; i < data.length; i++) {
                      String kvPair = data[i];
                      String[] kv = kvPair.split("=");
                      if (kv.length != 2) {
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/StamperFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/StamperFactory.java
index 42dee32d..ffed4da6 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/StamperFactory.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/StamperFactory.java
@@ -33,9 +33,11 @@ public class StamperFactory {
 
 	public static IPDFStamper createDefaultStamper(ISettings settings) throws PdfAsException {
 		try {
-			Class<? extends IPDFStamper> cls = (Class<? extends IPDFStamper>) 
-					Class.forName(DEFAULT_STAMPER_CLASS);
-			IPDFStamper stamper = cls.newInstance();
+			Class<?> cls = Class.forName(DEFAULT_STAMPER_CLASS);
+			Object st = cls.newInstance();
+			if (!(st instanceof IPDFStamper))
+				throw new ClassCastException();
+			IPDFStamper stamper = (IPDFStamper) st;
 			stamper.setSettings(settings);
 			return stamper;
 		} catch (Throwable e) {
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/TableFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/TableFactory.java
index 429aa6d0..8f945414 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/TableFactory.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/TableFactory.java
@@ -66,7 +66,7 @@ public class TableFactory implements IProfileConstants {
     /**
      * Reference from signature key to there corresponding value
      */
-    private static Hashtable sigEntries_ = new Hashtable(8);
+    private static Hashtable<String, SignatureEntry> sigEntries_ = new Hashtable<String, SignatureEntry>(8);
 
     static {
         setDefaultStyles();
@@ -151,7 +151,7 @@ public class TableFactory implements IProfileConstants {
             {
                 // analyse the row definition
                 String[] elems = table_def_string.split("\\|");
-                ArrayList row = new ArrayList();
+                ArrayList<Entry> row = new ArrayList<Entry>();
                 for (int elem_idx = 0; elem_idx < elems.length; elem_idx++)
                 {
                     String elem = elems[elem_idx];
@@ -268,7 +268,7 @@ public class TableFactory implements IProfileConstants {
         SignatureEntry sigEntry = null;
         if (sigEntries_.containsKey(key))
         {
-            sigEntry = (SignatureEntry) sigEntries_.get(key);
+            sigEntry = sigEntries_.get(key);
             value = sigEntry.getValue();
         }
         /*
@@ -305,7 +305,7 @@ public class TableFactory implements IProfileConstants {
         String caption = null;
         if (sigEntries_.containsKey(key))
         {
-            caption = ((SignatureEntry) sigEntries_.get(key)).getCaption();
+            caption = sigEntries_.get(key).getCaption();
             if (caption == null)
             {
                 caption = key;
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/VerifierDispatcher.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/VerifierDispatcher.java
index 509494b2..4fb883a3 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/VerifierDispatcher.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/VerifierDispatcher.java
@@ -69,9 +69,11 @@ public class VerifierDispatcher {
 		try {
 			for (int i = 0; i < currentClasses.length; i++) {
 				String clsName = currentClasses[i];
-				Class<? extends IVerifyFilter> cls = (Class<? extends IVerifyFilter>) Class
-						.forName(clsName);
-				IVerifyFilter filter = cls.newInstance();
+				Class<?> cls = Class.forName(clsName);
+				Object f = cls.newInstance();
+				if (!(f instanceof IVerifyFilter))
+					throw new ClassCastException();
+				IVerifyFilter filter = (IVerifyFilter) f;
 				filter.setConfiguration((Configuration) settings);
 				List<FilterEntry> entries = filter.getFiters();
 				Iterator<FilterEntry> it = entries.iterator();
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/BKUSLConnector.java b/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/BKUSLConnector.java
index 9545b32f..c0a0b8aa 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/BKUSLConnector.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/BKUSLConnector.java
@@ -104,10 +104,9 @@ public class BKUSLConnector extends BaseSLConnector {
 		}
 	}
 
-	@SuppressWarnings("rawtypes")
 	public InfoboxReadResponseType sendInfoboxReadRequest(
 			InfoboxReadRequestType request) throws PdfAsException {
-		JAXBElement element = null;
+		JAXBElement<?> element = null;
 		String slRequest;
 		try {
 			slRequest = SLMarschaller.marshalToString(of
@@ -116,7 +115,7 @@ public class BKUSLConnector extends BaseSLConnector {
 
 			String slResponse = performHttpRequestToBKU(slRequest);
 
-			element = (JAXBElement) SLMarschaller
+			element = (JAXBElement<?>) SLMarschaller
 					.unmarshalFromString(slResponse);
 
 		} catch (JAXBException e) {
@@ -146,7 +145,7 @@ public class BKUSLConnector extends BaseSLConnector {
 
 	public CreateCMSSignatureResponseType sendCMSRequest(
 			CreateCMSSignatureRequestType request) throws PdfAsException {
-		JAXBElement element = null;
+		JAXBElement<?> element = null;
 		String slRequest;
 		try {
 			slRequest = SLMarschaller.marshalToString(of
@@ -155,7 +154,7 @@ public class BKUSLConnector extends BaseSLConnector {
 
 			String slResponse = performHttpRequestToBKU(slRequest);
 
-			element = (JAXBElement) SLMarschaller
+			element = (JAXBElement<?>) SLMarschaller
 					.unmarshalFromString(slResponse);
 		} catch (JAXBException e) {
 			throw new PDFIOException("error.pdf.io.03", e);
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
index 7ea4e4d1..540179b8 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
@@ -55,6 +55,7 @@ import java.util.List;
 import java.util.Map;
 
 import org.apache.commons.lang3.math.NumberUtils;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.cos.COSStream;
 import org.apache.pdfbox.pdmodel.PDPage;
@@ -158,7 +159,6 @@ public class PDFPage extends PDFTextStripper {
 	 * 
 	 * @author Datentechnik Innovation GmbH
 	 */
-	@SuppressWarnings("unchecked")
 	private void registerCustomPathOperators() {
 
 		// *** path construction
@@ -281,7 +281,7 @@ public class PDFPage extends PDFTextStripper {
 		}
 	}
 
-	protected void processOperator(PDFOperator operator, List arguments)
+	protected void processOperator(PDFOperator operator, List<COSBase> arguments)
 			throws IOException {
 		logger.trace("operator = " + operator);
 		super.processOperator(operator, arguments);
@@ -366,14 +366,14 @@ public class PDFPage extends PDFTextStripper {
             this.mypage = page;
         }
 
-		public void process(PDFOperator operator, List arguments)
+		public void process(PDFOperator operator, List<COSBase> arguments)
 				throws IOException {
 			COSName name = (COSName) arguments.get(0);
 
 			// PDResources res = context.getResources();
 
-			Map xobjects = context.getXObjects();
-			PDXObject xobject = (PDXObject) xobjects.get(name.getName());
+			Map<String, PDXObject> xobjects = context.getXObjects();
+			PDXObject xobject = xobjects.get(name.getName());
 
 			PDStream stream = xobject.getPDStream();
 			COSStream cos_stream = stream.getStream();
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java
index 4a9b6886..c68f6229 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java
@@ -69,7 +69,7 @@ public abstract class PDFUtilities
 {
     public static float calculatePageLength(PDDocument document, int page, float effectivePageHeight, /*int pagerotation,*/ boolean legacy32) throws PDFIOException {
 	    //int last_page_id = document.getNumberOfPages();
-	    List allPages = document.getDocumentCatalog().getAllPages();
+	    List<?> allPages = document.getDocumentCatalog().getAllPages();
 	    PDPage pdpage = (PDPage) allPages.get(page);
 	    //pdpage.setRotation(pagerotation);
 	    return calculatePageLength(pdpage, effectivePageHeight, legacy32);
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java
index 48248f3b..8bb76fb5 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.io.IOException;
@@ -73,7 +74,7 @@ public class ClosePath extends PathConstructionOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java
index 982f72d8..0eb10a52 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSNumber;
 import org.apache.pdfbox.util.PDFOperator;
 
@@ -74,7 +75,7 @@ public class CurveTo extends PathConstructionOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java
index 8a467c7e..1020842e 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSNumber;
 import org.apache.pdfbox.util.PDFOperator;
 
@@ -74,7 +75,7 @@ public class CurveToReplicateFinalPoint extends PathConstructionOperatorProcesso
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java
index e05be319..42a52033 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSNumber;
 import org.apache.pdfbox.util.PDFOperator;
 
@@ -74,7 +75,7 @@ public class CurveToReplicateInitialPoint extends PathConstructionOperatorProces
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java
index 872cbede..a47d3fe6 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSNumber;
 import org.apache.pdfbox.util.PDFOperator;
 
@@ -72,7 +73,7 @@ public class LineTo extends PathConstructionOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java
index 2b7275e4..49d92761 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSNumber;
 import org.apache.pdfbox.util.PDFOperator;
 
@@ -74,7 +75,7 @@ public class MoveTo extends PathConstructionOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java
index 78f2369c..552a033c 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.io.IOException;
@@ -70,7 +71,7 @@ public class CloseAndStrokePath extends PathPaintingOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		if (log.isTraceEnabled()) {
 			log.trace("Closing and stroking path.");
 		}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java
index 3c8b55a9..718fe362 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.io.IOException;
@@ -71,7 +72,7 @@ public class CloseFillEvenOddAndStrokePath extends PathPaintingOperatorProcessor
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		if (log.isTraceEnabled()) {
 			log.trace("Closing, filling (even odd rule) and stroking path.");
 		}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java
index 529ad6c6..523f6681 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.io.IOException;
@@ -71,7 +72,7 @@ public class CloseFillNonZeroAndStrokePath extends PathPaintingOperatorProcessor
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		if (log.isTraceEnabled()) {
 			log.trace("Closing, filling (non zero rule) and stroking path.");
 		}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java
index 0812c3e4..5134ed2f 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.io.IOException;
@@ -71,7 +72,7 @@ public class EndPath extends PathPaintingOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java
index f03bc31f..13623648 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.awt.geom.GeneralPath;
@@ -73,7 +74,7 @@ public class FillEvenOddAndStrokePath extends PathPaintingOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java
index 911169a9..485411a8 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.awt.geom.GeneralPath;
@@ -73,7 +74,7 @@ public class FillNonZeroAndStrokePath extends PathPaintingOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java
index 7a20b52e..bb3d3411 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.awt.*;
@@ -71,7 +72,7 @@ public class FillPathEvenOddRule extends PathPaintingOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java
index 4a2f4ff9..6196c466 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.awt.*;
@@ -72,7 +73,7 @@ public class FillPathNonZeroWindingNumberRule extends PathPaintingOperatorProces
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java
index 240a5967..b114b60b 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java
@@ -50,6 +50,7 @@ import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
 import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.util.PDFOperator;
 
 import java.awt.*;
@@ -71,7 +72,7 @@ public class StrokePath extends PathPaintingOperatorProcessor {
 	}
 
 	@Override
-	public void process(PDFOperator operator, List operands) throws IOException {
+	public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
 		try {
 			PDFPage pdfPage = (PDFPage) context;
 
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/table/Table.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/table/Table.java
index 72bdfc4d..c138ac22 100644
--- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/table/Table.java
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/table/Table.java
@@ -197,7 +197,7 @@ public class Table implements Serializable
     ArrayList<ArrayList<Entry>> rows = new ArrayList<ArrayList<Entry>>();
     for (int row_idx = 1; row_idx <= rows_.size(); row_idx++)
     {
-      ArrayList<Entry> row = (ArrayList<Entry>) rows_.get("" + row_idx);
+      ArrayList<Entry> row = rows_.get(String.valueOf(row_idx));
       rows.add(row);
     }
     return rows;
@@ -237,7 +237,7 @@ public class Table implements Serializable
       String row_prefix = "\n ++ ROW " + row_idx + " ++ ";
       for (int entry_idx = 0; entry_idx < row.size(); entry_idx++)
       {
-        the_string += row_prefix + ((Entry) row.get(entry_idx)).toString();
+        the_string += row_prefix + row.get(entry_idx).toString();
       }
     }
     the_string += "\n#### TABLE " + name_ + " END #####";