Eclipse warnings, helper unit-test, improve information provided in Exceptions, do not swallow inner stacktraces, ...

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1724486 13f79535-47bb-0310-9956-ffa450edef68

src/integrationtest/org/apache/poi/stress/AbstractFileHandler.java

@@ -114,7 +114,7 @@ public abstract class AbstractFileHandler implements FileHandler {
             }
         } catch (IllegalArgumentException e) {
             if(!EXPECTED_EXTRACTOR_FAILURES.contains(file)) {
-                throw new Exception("While handling " + file, e);
+                throw e;
             }
         } finally {
             extractor.close();

src/integrationtest/org/apache/poi/stress/HSLFFileHandler.java

@@ -19,6 +19,7 @@ package org.apache.poi.stress;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
+import java.io.File;
 import java.io.FileInputStream;
 import java.io.InputStream;
 
@@ -57,4 +58,10 @@ public class HSLFFileHandler extends SlideShowHandler {
 			stream.close();
 		}
 	}
+
+    // a test-case to test this locally without executing the full TestAllFiles
+    @Test
+    public void testExtractor() throws Exception {
+        handleExtracting(new File("test-data/slideshow/ae.ac.uaeu.faculty_nafaachbili_GeomLec1.pptx"));
+   }
 }

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

@@ -235,7 +235,7 @@ public class CellFormat {
             if (DateUtil.isValidExcelDate(numericValue)) {
                 return getApplicableFormatPart(numericValue).apply(value);
             } else {
-                throw new IllegalArgumentException("value not a valid Excel date");
+                throw new IllegalArgumentException("value " + numericValue + " of date " + value + " is not a valid Excel date");
             }
         } else {
             return textFmt.apply(value);

src/ooxml/java/org/apache/poi/openxml4j/opc/internal/PackagePropertiesPart.java

@@ -390,8 +390,7 @@ public final class PackagePropertiesPart extends PackagePart implements
 		try {
 			this.created = setDateValue(created);
 		} catch (InvalidFormatException e) {
-			throw new IllegalArgumentException("created  : "
+			throw new IllegalArgumentException("Date for created could not be parsed: " + created, e);
-					+ e.getLocalizedMessage(), e);
 		}
 	}
 
@@ -573,7 +572,8 @@ public final class PackagePropertiesPart extends PackagePart implements
 		    d = df.parse(dateTzStr, new ParsePosition(0));
 		}
 		if (d == null) {
-			throw new InvalidFormatException("Date not well formated");
+			throw new InvalidFormatException("Date " + dateTzStr + " not well formated, "
+			        + "expected format " + DEFAULT_DATEFORMAT + " or " + ALTERNATIVE_DATEFORMAT);
 		}
 		return new Nullable<Date>(d);
 	}

src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFBugs.java

@@ -2586,8 +2586,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
         wb.getCreationHelper().createFormulaEvaluator().evaluateAll();
 
         CalculationChain chain = ((XSSFWorkbook)wb).getCalculationChain();
-        CTCalcCell[] cArray = chain.getCTCalcChain().getCArray();
+        for(CTCalcCell calc : chain.getCTCalcChain().getCList()) {
-        for(CTCalcCell calc : cArray) {
             // A2 to A6 should be gone
             assertFalse(calc.getR().equals("A2"));
             assertFalse(calc.getR().equals("A3"));
@@ -2601,8 +2600,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
         assertNotNull(sheetBack);
 
         chain = ((XSSFWorkbook)wbBack).getCalculationChain();
-        cArray = chain.getCTCalcChain().getCArray();
+        for(CTCalcCell calc : chain.getCTCalcChain().getCList()) {
-        for(CTCalcCell calc : cArray) {
             // A2 to A6 should be gone
             assertFalse(calc.getR().equals("A2"));
             assertFalse(calc.getR().equals("A3"));