replace Throwable.printStackTrace() with POILogger calls - Todo: other printStrackTrace(...) calls

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1723899 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hssf/dev/BiffViewer.java

@@ -390,15 +390,9 @@ public final class BiffViewer {
 	 * </table>
 	 *
 	 */
-	public static void main(String[] args) throws IOException {
+	public static void main(String[] args) throws IOException, CommandParseException {
 		// args = new String[] { "--out", "", };
-		CommandArgs cmdArgs;
-		try {
-			cmdArgs = CommandArgs.parse(args);
-		} catch (CommandParseException e) {
-			e.printStackTrace();
-			return;
-		}
+		CommandArgs cmdArgs = CommandArgs.parse(args);
 
 		PrintWriter pw;
 		if (cmdArgs.shouldOutputToFile()) {

src/java/org/apache/poi/hssf/dev/EFBiffViewer.java

@@ -72,21 +72,14 @@ public class EFBiffViewer
         this.file = file;
     }
 
-    public static void main(String [] args)
+    public static void main(String [] args) throws IOException
     {
         if ((args.length == 1) && !args[ 0 ].equals("--help"))
         {
-            try
-            {
-                EFBiffViewer viewer = new EFBiffViewer();
+            EFBiffViewer viewer = new EFBiffViewer();
 
-                viewer.setFile(args[ 0 ]);
-                viewer.run();
-            }
-            catch (IOException e)
-            {
-                e.printStackTrace();
-            }
+            viewer.setFile(args[ 0 ]);
+            viewer.run();
         }
         else
         {

src/java/org/apache/poi/hssf/dev/FormulaViewer.java

@@ -18,6 +18,7 @@
 package org.apache.poi.hssf.dev;
 
 import java.io.File;
+import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
 
@@ -52,13 +53,14 @@ public class FormulaViewer
 
     /**
      * Method run
+     * @throws IOException 
      *
      *
      * @exception Exception
      *
      */
 
-    public void run() throws Exception {
+    public void run() throws IOException {
         NPOIFSFileSystem fs  = new NPOIFSFileSystem(new File(file), true);
         InputStream is = BiffViewer.getPOIFSInputStream(fs);
         List<Record> records = RecordFactory.createRecords(is);
@@ -206,10 +208,12 @@ public class FormulaViewer
      * pass me a filename and I'll try and parse the formulas from it
      *
      * @param args pass one argument with the filename or --help
+     * @throws IOException 
+     * @throws Exception 
      *
      */
 
-    public static void main(String args[])
+    public static void main(String args[]) throws IOException
     {
         if ((args == null) || (args.length >2 )
                 || args[ 0 ].equals("--help"))
@@ -218,31 +222,17 @@ public class FormulaViewer
                 "FormulaViewer .8 proof that the devil lies in the details (or just in BIFF8 files in general)");
             System.out.println("usage: Give me a big fat file name");
         } else if (args[0].equals("--listFunctions")) { // undocumented attribute to research functions!~
-            try {
-                FormulaViewer viewer = new FormulaViewer();
-                viewer.setFile(args[1]);
-                viewer.setList(true);
-                viewer.run();
-            }
-            catch (Exception e) {
-                System.out.println("Whoops!");
-                e.printStackTrace();
-            }
+            FormulaViewer viewer = new FormulaViewer();
+            viewer.setFile(args[1]);
+            viewer.setList(true);
+            viewer.run();
         }
         else
         {
-            try
-            {
-                FormulaViewer viewer = new FormulaViewer();
+            FormulaViewer viewer = new FormulaViewer();
 
-                viewer.setFile(args[ 0 ]);
-                viewer.run();
-            }
-            catch (Exception e)
-            {
-                System.out.println("Whoops!");
-                e.printStackTrace();
-            }
+            viewer.setFile(args[ 0 ]);
+            viewer.run();
         }
     }
 }

src/java/org/apache/poi/hssf/dev/RecordLister.java

@@ -180,21 +180,14 @@ public class RecordLister
         this.file = file;
     }
 
-    public static void main(String [] args)
+    public static void main(String [] args) throws IOException
     {
         if ((args.length == 1) && !args[ 0 ].equals("--help"))
         {
-            try
-            {
-                RecordLister viewer = new RecordLister();
+            RecordLister viewer = new RecordLister();
 
-                viewer.setFile(args[ 0 ]);
-                viewer.run();
-            }
-            catch (IOException e)
-            {
-                e.printStackTrace();
-            }
+            viewer.setFile(args[ 0 ]);
+            viewer.run();
         }
         else
         {

src/java/org/apache/poi/hssf/extractor/ExcelExtractor.java

@@ -207,8 +207,9 @@ public class ExcelExtractor extends POIOLE2TextExtractor implements org.apache.p
 
 	/**
 	 * Command line extractor.
+	 * @throws IOException 
 	 */
-	public static void main(String[] args) {
+	public static void main(String[] args) throws IOException {
 
 		CommandArgs cmdArgs;
 		try {
@@ -225,27 +226,23 @@ public class ExcelExtractor extends POIOLE2TextExtractor implements org.apache.p
 			return;
 		}
 
-		try {
-			InputStream is;
-			if(cmdArgs.getInputFile() == null) {
-				is = System.in;
-			} else {
-				is = new FileInputStream(cmdArgs.getInputFile());
-			}
-			HSSFWorkbook wb = new HSSFWorkbook(is);
-
-			ExcelExtractor extractor = new ExcelExtractor(wb);
-			extractor.setIncludeSheetNames(cmdArgs.shouldShowSheetNames());
-			extractor.setFormulasNotResults(!cmdArgs.shouldEvaluateFormulas());
-			extractor.setIncludeCellComments(cmdArgs.shouldShowCellComments());
-			extractor.setIncludeBlankCells(cmdArgs.shouldShowBlankCells());
-			extractor.setIncludeHeadersFooters(cmdArgs.shouldIncludeHeadersFooters());
-			System.out.println(extractor.getText());
-			extractor.close();
-		} catch (Exception e) {
-			e.printStackTrace();
-			System.exit(1);
+		InputStream is;
+		if(cmdArgs.getInputFile() == null) {
+			is = System.in;
+		} else {
+			is = new FileInputStream(cmdArgs.getInputFile());
 		}
+		HSSFWorkbook wb = new HSSFWorkbook(is);
+		is.close();
+
+		ExcelExtractor extractor = new ExcelExtractor(wb);
+		extractor.setIncludeSheetNames(cmdArgs.shouldShowSheetNames());
+		extractor.setFormulasNotResults(!cmdArgs.shouldEvaluateFormulas());
+		extractor.setIncludeCellComments(cmdArgs.shouldShowCellComments());
+		extractor.setIncludeBlankCells(cmdArgs.shouldShowBlankCells());
+		extractor.setIncludeHeadersFooters(cmdArgs.shouldIncludeHeadersFooters());
+		System.out.println(extractor.getText());
+		extractor.close();
 	}
 	/**
 	 * Should sheet names be included? Default is true

src/java/org/apache/poi/hssf/usermodel/HSSFShape.java

@@ -17,13 +17,24 @@
 
 package org.apache.poi.hssf.usermodel;
 
-import org.apache.poi.ddf.*;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import org.apache.poi.ddf.EscherBoolProperty;
+import org.apache.poi.ddf.EscherChildAnchorRecord;
+import org.apache.poi.ddf.EscherClientAnchorRecord;
+import org.apache.poi.ddf.EscherContainerRecord;
+import org.apache.poi.ddf.EscherOptRecord;
+import org.apache.poi.ddf.EscherProperties;
+import org.apache.poi.ddf.EscherProperty;
+import org.apache.poi.ddf.EscherRGBProperty;
+import org.apache.poi.ddf.EscherSimpleProperty;
+import org.apache.poi.ddf.EscherSpRecord;
 import org.apache.poi.hssf.record.CommonObjectDataSubRecord;
 import org.apache.poi.hssf.record.ObjRecord;
 import org.apache.poi.util.LittleEndian;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 
 /**
  * An abstract shape.
@@ -34,6 +45,8 @@ import java.io.IOException;
  * setFlipVertical() or setFlipHorizontally(). 
  */
 public abstract class HSSFShape {
+    private static final POILogger LOG = POILogFactory.getLogger(HSSFShape.class);
+    
     public static final int LINEWIDTH_ONE_PT = 12700;
     public static final int LINEWIDTH_DEFAULT = 9525;
     public static final int LINESTYLE__COLOR_DEFAULT = 0x08000040;
@@ -362,7 +375,7 @@ public abstract class HSSFShape {
             LittleEndian.putInt(property.getPropertyValue(), bos);
             return LittleEndian.getShort(bos.toByteArray(), 2);
         } catch (IOException e) {
-            e.printStackTrace();
+            LOG.log(POILogger.ERROR, "can't determine rotation degree", e);
             return 0;
         }
     }

src/java/org/apache/poi/poifs/filesystem/NPOIFSFileSystem.java

@@ -57,6 +57,8 @@ import org.apache.poi.util.CloseIgnoringInputStream;
 import org.apache.poi.util.IOUtils;
 import org.apache.poi.util.Internal;
 import org.apache.poi.util.LongField;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 
 /**
  * <p>This is the main class of the POIFS system; it manages the entire
@@ -67,8 +69,7 @@ import org.apache.poi.util.LongField;
 public class NPOIFSFileSystem extends BlockStore
     implements POIFSViewable, Closeable
 {
-//	private static final POILogger _logger =
-//		POILogFactory.getLogger(NPOIFSFileSystem.class);
+	private static final POILogger LOG = POILogFactory.getLogger(NPOIFSFileSystem.class);
 
     /**
      * Convenience method for clients that want to avoid the auto-close behaviour of the constructor.
@@ -346,7 +347,7 @@ public class NPOIFSFileSystem extends BlockStore
             }
             // else not success? Try block did not complete normally
             // just print stack trace and leave original ex to be thrown
-            e.printStackTrace();
+            LOG.log(POILogger.ERROR, "can't close input stream", e);
         }
     }
 

src/java/org/apache/poi/poifs/filesystem/OPOIFSFileSystem.java

@@ -194,7 +194,7 @@ public class OPOIFSFileSystem
             }
             // else not success? Try block did not complete normally
             // just print stack trace and leave original ex to be thrown
-            e.printStackTrace();
+            _logger.log(POILogger.ERROR, "can't close input stream", e);
         }
     }
 

src/java/org/apache/poi/ss/format/CellNumberFormatter.java

@@ -32,6 +32,8 @@ import java.util.regex.Matcher;
 
 import org.apache.poi.ss.format.CellFormatPart.PartHandler;
 import org.apache.poi.util.LocaleUtil;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 
 /**
  * This class implements printing out a value using a number format.
@@ -39,6 +41,8 @@ import org.apache.poi.util.LocaleUtil;
  * @author Ken Arnold, Industrious Media LLC
  */
 public class CellNumberFormatter extends CellFormatter {
+    private static final POILogger LOG = POILogFactory.getLogger(CellNumberFormatter.class);
+    
     private final String desc;
     private String printfFmt;
     private double scale;
@@ -843,7 +847,7 @@ public class CellNumberFormatter extends CellFormatter {
             writeSingleInteger(denominatorFmt, d, output, denominatorSpecials,
                     mods);
         } catch (RuntimeException ignored) {
-            ignored.printStackTrace();
+            LOG.log(POILogger.ERROR, "error while fraction evaluation", ignored);
         }
     }
 

src/java/org/apache/poi/ss/formula/WorkbookEvaluator.java

@@ -332,7 +332,7 @@ public final class WorkbookEvaluator {
 			return new NotImplementedException(msg, inner);
 		} catch (Exception e) {
 			// avoid bombing out during exception handling
-			e.printStackTrace();
+		    LOG.log(POILogger.ERROR, "Can't add exception info", e);
 			return inner; // preserve original exception
 		}
 	}

src/java/org/apache/poi/ss/formula/functions/Rate.java

@@ -22,11 +22,15 @@ import org.apache.poi.ss.formula.eval.EvaluationException;
 import org.apache.poi.ss.formula.eval.NumberEval;
 import org.apache.poi.ss.formula.eval.OperandResolver;
 import org.apache.poi.ss.formula.eval.ValueEval;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 
 /**
  * Implements the Excel Rate function
  */
 public class Rate implements Function {
+    private static final POILogger LOG = POILogFactory.getLogger(Rate.class);
+    
    public ValueEval evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {
       if (args.length < 3) { //First 3 parameters are mandatory
          return ErrorEval.VALUE_INVALID;
@@ -61,7 +65,7 @@ public class Rate implements Function {
 
          checkValue(rate);
       } catch (EvaluationException e) {
-         e.printStackTrace() ;
+          LOG.log(POILogger.ERROR, "Can't evaluate rate function", e);
          return e.getErrorEval();
       }
 

src/ooxml/java/org/apache/poi/xssf/extractor/XSSFExportToXml.java

@@ -46,6 +46,8 @@ import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.DateUtil;
 import org.apache.poi.util.DocumentHelper;
 import org.apache.poi.util.LocaleUtil;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 import org.apache.poi.xssf.usermodel.XSSFCell;
 import org.apache.poi.xssf.usermodel.XSSFMap;
 import org.apache.poi.xssf.usermodel.XSSFRow;
@@ -80,6 +82,7 @@ import org.xml.sax.SAXException;
  * </ul>
  */
 public class XSSFExportToXml implements Comparator<String>{
+    private static final POILogger LOG = POILogFactory.getLogger(XSSFExportToXml.class);
 
     private XSSFMap map;
 
@@ -265,7 +268,7 @@ public class XSSFExportToXml implements Comparator<String>{
             //if no exceptions where raised, the document is valid
             return true;
         } catch(IOException e) {
-            e.printStackTrace();
+            LOG.log(POILogger.ERROR, "document is not valid", e);
         }
 
         return false;

src/ooxml/java/org/apache/poi/xwpf/model/XWPFHeaderFooterPolicy.java

@@ -24,6 +24,8 @@ import java.util.Iterator;
 import java.util.List;
 
 import org.apache.poi.POIXMLDocumentPart;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 import org.apache.poi.xwpf.usermodel.XWPFDocument;
 import org.apache.poi.xwpf.usermodel.XWPFFactory;
 import org.apache.poi.xwpf.usermodel.XWPFFooter;
@@ -66,6 +68,8 @@ import com.microsoft.schemas.vml.STTrueFalse;
  * the right headers and footers for the document.
  */
 public class XWPFHeaderFooterPolicy {
+    private static final POILogger LOG = POILogFactory.getLogger(XWPFHeaderFooterPolicy.class);
+    
     public static final Enum DEFAULT = STHdrFtr.DEFAULT;
     public static final Enum EVEN = STHdrFtr.EVEN;
     public static final Enum FIRST = STHdrFtr.FIRST;
@@ -376,8 +380,7 @@ public class XWPFHeaderFooterPolicy {
             pars[0] = getWatermarkParagraph(text, 3);
             createHeader(EVEN, pars);
         } catch (IOException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOG.log(POILogger.ERROR, "error while creating watermark", e);
         }
     }
 

src/ooxml/java/org/apache/poi/xwpf/usermodel/XWPFDocument.java

@@ -52,6 +52,8 @@ import org.apache.poi.poifs.crypt.HashAlgorithm;
 import org.apache.poi.util.IOUtils;
 import org.apache.poi.util.IdentifierManager;
 import org.apache.poi.util.Internal;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 import org.apache.poi.util.PackageHelper;
 import org.apache.poi.xwpf.model.XWPFHeaderFooterPolicy;
 import org.apache.xmlbeans.XmlCursor;
@@ -88,6 +90,8 @@ import org.openxmlformats.schemas.wordprocessingml.x2006.main.StylesDocument;
  * at some point in your use.</p>
  */
 public class XWPFDocument extends POIXMLDocument implements Document, IBody {
+    private static final POILogger LOG = POILogFactory.getLogger(XWPFDocument.class);
+    
     protected List<XWPFFooter> footers = new ArrayList<XWPFFooter>();
     protected List<XWPFHeader> headers = new ArrayList<XWPFHeader>();
     protected List<XWPFComment> comments = new ArrayList<XWPFComment>();
@@ -899,7 +903,7 @@ public class XWPFDocument extends POIXMLDocument implements Document, IBody {
                     int level = Integer.parseInt(parStyle.substring("Heading".length()));
                     toc.addRow(level, par.getText(), 1, "112723803");
                 } catch (NumberFormatException e) {
-                    e.printStackTrace();
+                    LOG.log(POILogger.ERROR, "can't format number in TOC heading", e);
                 }
             }
         }

src/resources/devtools/forbidden-signatures-prod.txt

@@ -25,5 +25,6 @@
 #java.lang.Runtime#exit(int)
 #java.lang.Runtime#halt(int)
 
-@defaultMessage Please do not try to stop the world
-java.lang.System#gc()
+
+java.lang.System#gc() @ Please do not try to stop the world
+java.lang.Throwable#printStackTrace() @ Please use POILogger for exceptions

src/scratchpad/src/org/apache/poi/hslf/model/textproperties/TextPropCollection.java

@@ -29,6 +29,8 @@ import org.apache.poi.hslf.exceptions.HSLFException;
 import org.apache.poi.hslf.record.StyleTextPropAtom;
 import org.apache.poi.util.HexDump;
 import org.apache.poi.util.LittleEndian;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
 
 /**
  * For a given run of characters, holds the properties (which could
@@ -37,6 +39,8 @@ import org.apache.poi.util.LittleEndian;
  *  properties, and the indent level if required.
  */
 public class TextPropCollection {
+    private static final POILogger LOG = POILogFactory.getLogger(TextPropCollection.class);
+    
     /** All the different kinds of paragraph properties we might handle */
     private static final TextProp[] paragraphTextPropTypes = {
         // TextProp order is according to 2.9.20 TextPFException,
@@ -376,8 +380,8 @@ public class TextPropCollection {
             writeOut(baos);
             byte[] b = baos.toByteArray();
             out.append(HexDump.dump(b, 0, 0));
-        } catch (Exception e ) {
-            e.printStackTrace();
+        } catch (IOException e ) {
+            LOG.log(POILogger.ERROR, "can't dump TextPropCollection", e);
         }
         
         return out.toString();

src/scratchpad/src/org/apache/poi/hslf/record/MasterTextPropAtom.java

@@ -77,8 +77,7 @@ public final class MasterTextPropAtom extends RecordAtom {
         try {
             read();
         } catch (Exception e){
-            logger.log(POILogger.ERROR, "Failed to parse MasterTextPropAtom: " + e.getMessage());
-            e.printStackTrace();
+            logger.log(POILogger.ERROR, "Failed to parse MasterTextPropAtom", e);
         }
     }
 

src/scratchpad/src/org/apache/poi/hslf/record/TextRulerAtom.java

@@ -25,11 +25,8 @@ import org.apache.poi.util.POILogger;
 
 /**
  * Ruler of a text as it differs from the style's ruler settings.
- *
- * @author Yegor Kozlov
  */
 public final class TextRulerAtom extends RecordAtom {
-
     /**
      * Record header.
      */
@@ -79,7 +76,6 @@ public final class TextRulerAtom extends RecordAtom {
             read();
         } catch (Exception e){
             logger.log(POILogger.ERROR, "Failed to parse TextRulerAtom: " + e.getMessage());
-            e.printStackTrace();
         }
     }
 

src/scratchpad/src/org/apache/poi/hslf/record/TxMasterStyleAtom.java

@@ -48,6 +48,8 @@ import org.apache.poi.util.POILogger;
  *  @author Yegor Kozlov
  */
 public final class TxMasterStyleAtom extends RecordAtom {
+    private static final POILogger LOG = POILogFactory.getLogger(TxMasterStyleAtom.class);
+    
     /**
      * Maximum number of indentation levels allowed in PowerPoint documents
      */
@@ -71,7 +73,7 @@ public final class TxMasterStyleAtom extends RecordAtom {
         try {
             init();
         } catch (Exception e){
-            POILogFactory.getLogger(TxMasterStyleAtom.class).log(POILogger.WARN, "Exception when reading available styles", e);
+            LOG.log(POILogger.WARN, "Exception when reading available styles", e);
         }
     }
 

src/scratchpad/src/org/apache/poi/hssf/converter/ExcelToHtmlConverter.java

@@ -17,13 +17,16 @@
 package org.apache.poi.hssf.converter;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
+import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.OutputKeys;
 import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
@@ -68,8 +71,11 @@ public class ExcelToHtmlConverter extends AbstractExcelConverter
      * </p>
      * Where infile is an input .xls file ( Word 97-2007) which will be rendered
      * as HTML into outfile
+     * @throws TransformerException 
+     * @throws Exception 
      */
     public static void main( String[] args )
+    throws IOException, ParserConfigurationException, TransformerException
     {
         if ( args.length < 2 )
         {
@@ -80,25 +86,19 @@ public class ExcelToHtmlConverter extends AbstractExcelConverter
 
         System.out.println( "Converting " + args[0] );
         System.out.println( "Saving output to " + args[1] );
-        try
-        {
-            Document doc = ExcelToHtmlConverter.process( new File( args[0] ) );
-
-            DOMSource domSource = new DOMSource( doc );
-            StreamResult streamResult = new StreamResult( new File(args[1]) );
-
-            TransformerFactory tf = TransformerFactory.newInstance();
-            Transformer serializer = tf.newTransformer();
-            // TODO set encoding from a command argument
-            serializer.setOutputProperty( OutputKeys.ENCODING, "UTF-8" );
-            serializer.setOutputProperty( OutputKeys.INDENT, "no" );
-            serializer.setOutputProperty( OutputKeys.METHOD, "html" );
-            serializer.transform( domSource, streamResult );
-        }
-        catch ( Exception e )
-        {
-            e.printStackTrace();
-        }
+
+        Document doc = ExcelToHtmlConverter.process( new File( args[0] ) );
+
+        DOMSource domSource = new DOMSource( doc );
+        StreamResult streamResult = new StreamResult( new File(args[1]) );
+
+        TransformerFactory tf = TransformerFactory.newInstance();
+        Transformer serializer = tf.newTransformer();
+        // TODO set encoding from a command argument
+        serializer.setOutputProperty( OutputKeys.ENCODING, "UTF-8" );
+        serializer.setOutputProperty( OutputKeys.INDENT, "no" );
+        serializer.setOutputProperty( OutputKeys.METHOD, "html" );
+        serializer.transform( domSource, streamResult );
     }
 
     /**
@@ -107,8 +107,10 @@ public class ExcelToHtmlConverter extends AbstractExcelConverter
      * @param xlsFile
      *            file to process
      * @return DOM representation of result HTML
+     * @throws IOException 
+     * @throws ParserConfigurationException 
      */
-    public static Document process( File xlsFile ) throws Exception
+    public static Document process( File xlsFile ) throws IOException, ParserConfigurationException
     {
         final HSSFWorkbook workbook = ExcelToHtmlUtils.loadXls( xlsFile );
         ExcelToHtmlConverter excelToHtmlConverter = new ExcelToHtmlConverter(

src/scratchpad/src/org/apache/poi/hwpf/QuickTest.java

@@ -18,6 +18,8 @@
 package org.apache.poi.hwpf;
 
 import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 
 import org.apache.poi.hwpf.usermodel.CharacterRun;
 import org.apache.poi.hwpf.usermodel.Paragraph;
@@ -30,10 +32,8 @@ public final class QuickTest
   {
   }
 
-  public static void main(String[] args)
+  public static void main(String[] args) throws IOException
   {
-    try
-    {
       HWPFDocument doc = new HWPFDocument (new FileInputStream (args[0]));
       Range r = doc.getRange();
 
@@ -81,12 +81,6 @@ public final class QuickTest
 //          System.out.println();
 //        }
 //      }
-
-    }
-    catch (Exception t)
-    {
-      t.printStackTrace();
-    }
   }
 
 }

src/scratchpad/src/org/apache/poi/hwpf/model/CHPBinTable.java

@@ -156,16 +156,7 @@ public class CHPBinTable
 
                 if ( hasChp )
                 {
-                    SprmBuffer newSprmBuffer;
-                    try
-                    {
-                        newSprmBuffer = (SprmBuffer) sprmBuffer.clone();
-                    }
-                    catch ( CloneNotSupportedException e )
-                    {
-                        // shall not happen
-                        throw new Error( e );
-                    }
+                    SprmBuffer newSprmBuffer = sprmBuffer.clone();
 
                     CHPX chpx = new CHPX( textPiece.getStart(),
                             textPiece.getEnd(), newSprmBuffer );

src/scratchpad/src/org/apache/poi/hwpf/model/PAPBinTable.java

@@ -277,18 +277,9 @@ public class PAPBinTable
                 if ( papx.getGrpprl() == null || papx.getGrpprl().length == 0 )
                     continue;
 
-                if ( sprmBuffer == null )
-                    try
-                    {
-                        sprmBuffer = (SprmBuffer) papx.getSprmBuf().clone();
-                    }
-                    catch ( CloneNotSupportedException e )
-                    {
-                        // can't happen
-                        throw new Error( e );
-                    }
-                else
-                {
+                if ( sprmBuffer == null ) {
+                    sprmBuffer = papx.getSprmBuf().clone();
+                } else {
                     sprmBuffer.append( papx.getGrpprl(), 2 );
                 }
             }
@@ -325,15 +316,7 @@ public class PAPBinTable
       PAPX currentPap = _paragraphs.get(listIndex);
       if (currentPap != null && currentPap.getStart() < cpStart)
       {
-        SprmBuffer clonedBuf = null;
-        try
-        {
-          clonedBuf = (SprmBuffer)currentPap.getSprmBuf().clone();
-        }
-        catch (CloneNotSupportedException exc)
-        {
-          exc.printStackTrace();
-        }
+        SprmBuffer clonedBuf = currentPap.getSprmBuf().clone();
 
     	// Copy the properties of the one before to afterwards
     	// Will go:

src/scratchpad/src/org/apache/poi/hwpf/sprm/SprmBuffer.java

@@ -128,13 +128,16 @@ public final class SprmBuffer implements Cloneable
     System.arraycopy( grpprl, offset, _buf, _offset, grpprl.length - offset );
     _offset += grpprl.length - offset;
 }
-  public Object clone()
-    throws CloneNotSupportedException
+  public SprmBuffer clone()
   {
-    SprmBuffer retVal = (SprmBuffer)super.clone();
-    retVal._buf = new byte[_buf.length];
-    System.arraycopy(_buf, 0, retVal._buf, 0, _buf.length);
-    return retVal;
+      try {
+        SprmBuffer retVal = (SprmBuffer)super.clone();
+        retVal._buf = new byte[_buf.length];
+        System.arraycopy(_buf, 0, retVal._buf, 0, _buf.length);
+        return retVal;
+      } catch (CloneNotSupportedException e) {
+          throw new RuntimeException(e);
+      }
   }
   private void ensureCapacity( int addition )
 {