Fix findbugs 3 warnings

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1785982 13f79535-47bb-0310-9956-ffa450edef68

fop-core/src/main/java/org/apache/fop/complexscripts/bidi/UnicodeBidiAlgorithm.java

@@ -382,7 +382,7 @@ public final class UnicodeBidiAlgorithm implements BidiConstants {
                 if ((bcPrev == EN) || (bcNext == EN)) {
                     wca [ i ] = EN;
                 }
-            } else if ((bc != BN) && (bc != ET)) {
+            } else if (bc != BN) {
                 bcPrev = bc;
             }
         }

fop-core/src/main/java/org/apache/fop/complexscripts/fonts/GlyphProcessingState.java

@@ -927,6 +927,7 @@ public class GlyphProcessingState {
             al.add(igs.getAssociation(i));
         }
         gb.flip();
+        assert igs != null;
         if (igs.compareGlyphs(gb) != 0) {
             this.igs = new GlyphSequence(igs.getCharacters(), gb, al);
             this.indexLast = gb.limit();

fop-core/src/main/java/org/apache/fop/complexscripts/fonts/OTFAdvancedTypographicTableReader.java

@@ -150,14 +150,12 @@ public final class OTFAdvancedTypographicTableReader {
             log.debug(tableTag + " lang sys table non-required feature count: " + nf);
         }
         // read (non-required) feature indices
-        int[] fia = new int[nf];
         List fl = new java.util.ArrayList();
         for (int i = 0; i < nf; i++) {
             int fi = in.readTTFUShort();
             if (log.isDebugEnabled()) {
                 log.debug(tableTag + " lang sys table non-required feature index: " + fi);
             }
-            fia[i] = fi;
             fl.add("f" + fi);
         }
         if (seLanguages == null) {
@@ -265,14 +263,12 @@ public final class OTFAdvancedTypographicTableReader {
             log.debug(tableTag + " feature table lookup list index count: " + nl);
         }
         // read lookup table indices
-        int[] lia = new int[nl];
         List lul = new java.util.ArrayList();
         for (int i = 0; i < nl; i++) {
             int li = in.readTTFUShort();
             if (log.isDebugEnabled()) {
                 log.debug(tableTag + " feature table lookup index: " + li);
             }
-            lia[i] = li;
             lul.add("lu" + li);
         }
         seFeatures.put("f" + featureIndex, new Object[] { featureTag, lul });
@@ -710,13 +706,11 @@ public final class OTFAdvancedTypographicTableReader {
         // read coverage table
         seMapping = readCoverageTable(tableTag + " single substitution coverage", subtableOffset + co);
         // read glyph substitutions
-        int[] gsa = new int[ng];
         for (int i = 0, n = ng; i < n; i++) {
             int gs = in.readTTFUShort();
             if (log.isDebugEnabled()) {
                 log.debug(tableTag + " single substitution glyph[" + i + "]: " + gs);
             }
-            gsa[i] = gs;
             seEntries.add(gs);
         }
     }

fop-core/src/main/java/org/apache/fop/complexscripts/util/NumberConverter.java

@@ -1260,7 +1260,6 @@ public class NumberConverter {
                 sl.add(0x05F3);
             }
             if (hundreds > 0) {
-                assert hundreds < 10;
                 if (hundreds < 5) {
                     sl.add(map [ 18 + (hundreds - 1) ]);
                 } else if (hundreds < 9) {
@@ -1273,6 +1272,7 @@ public class NumberConverter {
                     sl.add(0x05F4);
                     sl.add(map [ 18 + (hundreds - 9) ]);
                 }
+                assert hundreds < 10;
             }
             if (number == 15) {
                 sl.add(map [ 9 - 1]);

fop-core/src/main/java/org/apache/fop/layoutmgr/inline/FloatLayoutManager.java

@@ -78,13 +78,8 @@ public class FloatLayoutManager extends InlineStackingLayoutManager {
 
     public void addAreas(PositionIterator posIter, LayoutContext context) {
         // "Unwrap" the NonLeafPositions stored in posIter
-        LinkedList positionList = new LinkedList();
-        Position pos = null;
         while (posIter.hasNext()) {
-            pos = posIter.next();
-            if (pos != null && pos.getPosition() != null) {
-                positionList.add(pos.getPosition());
-            }
+            posIter.next();
         }
     }
 

fop-core/src/main/java/org/apache/fop/layoutmgr/inline/TextLayoutManager.java

@@ -1347,7 +1347,7 @@ public class TextLayoutManager extends LeafNodeLayoutManager {
             // if a break occurs the content width increases,
             // otherwise nothing happens
             addElementsForAHyphen(baseList, alignment, hyphIPD, widthIfNoBreakOccurs,
-                    mapping.breakOppAfter && mapping.isHyphenated);
+                    mapping.breakOppAfter);
         } else if (suppressibleLetterSpace) {
             // the word fragment ends with a character that acts as a hyphen
             // if a break occurs the width does not increase,

fop-core/src/main/java/org/apache/fop/pdf/PDFFunction.java

@@ -19,7 +19,6 @@
 
 package org.apache.fop.pdf;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -109,10 +108,6 @@ public class PDFFunction extends PDFObject {
 
 
     public byte[] toByteString() {
-        List<String> functionsStrings = new ArrayList<String>(function.getFunctions().size());
-        for (PDFFunction f : pdfFunctions) {
-            functionsStrings.add(f.referencePDF());
-        }
         SubFunctionRenderer subFunctionRenderer = new SubFunctionRenderer() {
 
             public void outputFunction(StringBuilder out, int functionIndex) {

fop-core/src/main/java/org/apache/fop/render/rtf/RTFHandler.java

@@ -601,9 +601,6 @@ public class RTFHandler extends FOEventHandler {
 
     /** {@inheritDoc} */
     public void endColumn(TableColumn tc) {
-        if (bDefer) {
-            return;
-        }
     }
 
     /** {@inheritDoc} */
@@ -1452,9 +1449,6 @@ public class RTFHandler extends FOEventHandler {
 
     /** {@inheritDoc} */
     public void endPageNumber(PageNumber pagenum) {
-        if (bDefer) {
-            return;
-        }
     }
 
     /** {@inheritDoc} */

fop-core/src/main/java/org/apache/fop/util/bitmap/DitherUtil.java

@@ -113,7 +113,7 @@ public final class DitherUtil {
             throw new IllegalArgumentException("Unsupported dither matrix: " + matrix);
         }
         if (doubleMatrix) {
-            if (doubleMatrix && (matrix != DITHER_MATRIX_4X4)) {
+            if (matrix != DITHER_MATRIX_4X4) {
                 throw new IllegalArgumentException("doubleMatrix=true is only allowed for 4x4");
             }
             dither = new byte[bayer.length / 8 * 4];