Addressed Findbug and Checkstyle issues

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_RoundedCorners@1396073 13f79535-47bb-0310-9956-ffa450edef68

findbugs-exclude.xml

@@ -4424,7 +4424,7 @@
       <Bug pattern="SF_SWITCH_FALLTHROUGH"/>
    </Match>
    <Match>
-      <Class name="org.apache.fop.render.java2d.Java2DBorderPainter"/>
+      <Class name="org.apache.fop.render.java2d.Java2DGraphicsPainter"/>
       <Method name="drawLine"/>
       <Bug pattern="SF_SWITCH_FALLTHROUGH"/>
    </Match>

src/java/org/apache/fop/afp/AFPResourceManager.java

@@ -242,7 +242,6 @@ public class AFPResourceManager {
     private void includeObject(AbstractNamedAFPObject namedObj, AFPDataObjectInfo dataObjectInfo) {
 
         // create the include object
-        AFPResourceInfo resourceInfo = dataObjectInfo.getResourceInfo();
         String objectName = namedObj.getName();
 
         AbstractCachedObject cachedObject;

src/java/org/apache/fop/fo/Constants.java

@@ -806,7 +806,7 @@ public interface Constants {
      * numbers.
      */
     int PR_X_NUMBER_CONVERSION_FEATURES = 285;
-    
+
     /** Scope for table header */
     int PR_X_HEADER_COLUMN = 286;
 

src/java/org/apache/fop/fo/properties/CommonBorderPaddingBackground.java

@@ -38,7 +38,6 @@ import org.apache.fop.fo.Constants;
 import org.apache.fop.fo.FObj;
 import org.apache.fop.fo.PropertyList;
 import org.apache.fop.fo.expr.PropertyException;
-import org.apache.fop.util.CompareUtil;
 
 /**
  * Stores all common border and padding properties.

src/java/org/apache/fop/render/AbstractPathOrientedRenderer.java

@@ -344,7 +344,7 @@ public abstract class AbstractPathOrientedRenderer extends PrintRenderer {
      * @param bpsStart the border traits associated with start edge
      * @param bpsEnd the border traits associated with end edge
      * @param level of bidirectional embedding
-     * @param innerBackgroundColor the background color of the block 
+     * @param innerBackgroundColor the background color of the block
      */
     protected void drawBorders(                                  // CSOK: ParameterNumber
             float startx, float starty, float width, float height,

src/java/org/apache/fop/render/afp/AFPDocumentHandler.java

@@ -27,6 +27,7 @@ import java.net.URI;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 
 import org.apache.fop.afp.AFPDitheredRectanglePainter;
@@ -93,8 +94,6 @@ public class AFPDocumentHandler extends AbstractBinaryWritingIFDocumentHandler
 
     private int roundedCornerCount = 0;
 
-    /** Medium Map referenced on previous page **/
-    private String lastMediumMap;
     private static enum Location {
         ELSEWHERE, IN_DOCUMENT_HEADER, FOLLOWING_PAGE_SEQUENCE, IN_PAGE_HEADER
     }
@@ -419,7 +418,7 @@ public class AFPDocumentHandler extends AbstractBinaryWritingIFDocumentHandler
         // Make a unique id
         StringBuffer idBuilder = new StringBuffer("RC");
 
-        String tmp = Integer.toHexString(roundedCornerCount).toUpperCase();
+        String tmp = Integer.toHexString(roundedCornerCount).toUpperCase(Locale.ENGLISH);
         if (tmp.length() > 6) {
             //Will never happen
             //log.error("Rounded corners cache capacity exceeded");

src/java/org/apache/fop/render/afp/AFPPainter.java

@@ -736,16 +736,8 @@ public class AFPPainter extends AbstractIFPainter<AFPDocumentHandler> {
 
             GeneralPath cut = new GeneralPath();
             cut.moveTo(0, 0);
-            float borderWidthRatio = ((float) beforeWidth) / startWidth;
-            if (beforeWidth * startRadius > startWidth * beforeRadius) {
-                cut.lineTo(startRadius, borderWidthRatio * startRadius);
-                cut.lineTo(startRadius, 0);
-
-            } else {
-                cut.lineTo(startRadius, borderWidthRatio * startRadius);
-                cut.lineTo(startRadius, 0);
-            }
-
+            cut.lineTo(startRadius, ((float) startRadius * beforeWidth) / startWidth);
+            cut.lineTo(startRadius, 0);
             clip.intersect(new Area(cut));
             clip.transform(transform);
             return clip;
@@ -776,16 +768,8 @@ public class AFPPainter extends AbstractIFPainter<AFPDocumentHandler> {
 
             GeneralPath cut = new GeneralPath();
             cut.moveTo(0, 0);
-            float borderWidthRatio = ((float) beforeWidth) / startWidth;
-            if (beforeWidth * startRadius > startWidth * beforeRadius) {
-                cut.lineTo(startRadius, borderWidthRatio * startRadius);
-                cut.lineTo(startRadius, 0);
-
-            } else {
-                cut.lineTo(startRadius, borderWidthRatio * startRadius);
-                cut.lineTo(startRadius, 0);
-            }
-
+            cut.lineTo(startRadius, ((float) startRadius * beforeWidth) / startWidth);
+            cut.lineTo(startRadius, 0);
             clip.subtract(new Area(cut));
             clip.transform(transform);
             return clip;
@@ -860,7 +844,7 @@ public class AFPPainter extends AbstractIFPainter<AFPDocumentHandler> {
 
             hints.put(ImageHandlerUtil.CONVERSION_MODE, ImageHandlerUtil.CONVERSION_MODE_BITMAP);
             hints.put("TARGET_RESOLUTION",
-                    new Integer(context.getPaintingState().getResolution()));
+                    Integer.valueOf(context.getPaintingState().getResolution()));
 
 
             try {

src/java/org/apache/fop/render/intermediate/BezierCurvePainter.java

@@ -34,4 +34,4 @@ public interface BezierCurvePainter {
      * @throws IOException if an I/O error occurs
      */
     void cubicBezierTo(int p1x, int p1y, int p2x, int p2y, int p3x, int p3y) throws IOException;
-}
+}

src/java/org/apache/fop/render/intermediate/BorderPainter.java

@@ -33,12 +33,31 @@ public class BorderPainter {
     /** TODO remove before integration*/
     public static final String ROUNDED_CORNERS = "fop.round-corners";
 
-    /** TODO Use a class to model border instead of an array
-     * convention index of top, bottom, right and left borders */
-    protected static final int TOP = 0, RIGHT = 1, BOTTOM = 2, LEFT = 3;
-    /** TODO Use a class to model border corners instead of an array
-     convention index of top-left, top-right, bottom-right and bottom-left border corners*/
-    protected static final int TOP_LEFT = 0, TOP_RIGHT = 1, BOTTOM_RIGHT = 2, BOTTOM_LEFT = 3;
+    // TODO Use a class to model border instead of an array
+    /** Convention index of before top */
+    protected static final int TOP = 0;
+
+    /** Convention index of right border */
+    protected static final int RIGHT = 1;
+
+    /** Convention index of bottom border */
+    protected static final int BOTTOM = 2;
+
+    /** Convention index of left border */
+    protected static final int LEFT = 3;
+
+    // TODO Use a class to model border corners instead of an array
+    /** Convention index of top-left border corners */
+    protected static final int TOP_LEFT = 0;
+
+    /** Convention index of top-right-end border corners */
+    protected static final int TOP_RIGHT = 1;
+
+    /** Convention index of bottom-right border corners */
+    protected static final int BOTTOM_RIGHT = 2;
+
+    /** Convention index of bottom-left border corners */
+    protected static final int BOTTOM_LEFT = 3;
 
     private final GraphicsPainter graphicsPainter;
 
@@ -227,7 +246,7 @@ public class BorderPainter {
             int outerx = startx - clipw[LEFT];
             int clipx = outerx + clipw[LEFT];
             int innerx = outerx + bw[LEFT];
-            
+
             saveGraphicsState();
 
             moveTo(clipx, ey1);
@@ -281,10 +300,12 @@ public class BorderPainter {
         final int width = borderRect.width - start.getClippedWidth() - end.getClippedWidth();
         final int height = borderRect.height - before.getClippedWidth() - after.getClippedWidth();
         //Determine scale factor if any adjacent elliptic corners overlap
-        double cornerCorrectionFactor = calculateCornerScaleCorrection(width, height, before, after, start, end);
+        double cornerCorrectionFactor = calculateCornerScaleCorrection(width, height, before, after, start,
+                end);
         drawBorderSegment(start, before, end, 0, width, startx, starty, cornerCorrectionFactor);
         drawBorderSegment(before, end, after, 1, height, startx + width, starty, cornerCorrectionFactor);
-        drawBorderSegment(end, after, start, 2, width, startx + width, starty + height, cornerCorrectionFactor);
+        drawBorderSegment(end, after, start, 2, width, startx + width, starty + height,
+                cornerCorrectionFactor);
         drawBorderSegment(after, start, before, 3, height, startx, starty + height, cornerCorrectionFactor);
     }
 
@@ -637,10 +658,10 @@ public class BorderPainter {
         private static final Corner SQUARE = new Corner(0, 0, null, 0, 0, 0, 0);
 
         /** The radius of the elliptic corner in the x direction */
-        protected final int radiusX;
+        private final int radiusX;
 
         /** The radius of the elliptic corner in the y direction */
-        protected final int radiusY;
+        private final int radiusY;
 
         /** The start and end angles of the corner ellipse */
         private final CornerAngles angles;

src/java/org/apache/fop/render/intermediate/IFRenderer.java

@@ -39,10 +39,11 @@ import javax.xml.transform.stream.StreamResult;
 import org.w3c.dom.Document;
 import org.xml.sax.SAXException;
 
-import org.apache.batik.parser.AWTTransformProducer;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import org.apache.batik.parser.AWTTransformProducer;
+
 import org.apache.xmlgraphics.xmp.Metadata;
 import org.apache.xmlgraphics.xmp.schemas.DublinCoreAdapter;
 import org.apache.xmlgraphics.xmp.schemas.DublinCoreSchema;

src/java/org/apache/fop/render/java2d/Java2DGraphicsPainter.java

@@ -329,5 +329,4 @@ class Java2DGraphicsPainter implements GraphicsPainter {
         this.painter.restoreGraphicsState();
         this.currentPath = null;
     }
-
-}
+}

src/java/org/apache/fop/render/pdf/PDFGraphicsPainter.java

@@ -59,6 +59,7 @@ public class PDFGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
             boolean startOrBefore, int style, Color col) {
         float w = x2 - x1;
         float h = y2 - y1;
+        float colFactor;
         switch (style) {
         case Constants.EN_DASHED:
             generator.setColor(col);
@@ -133,8 +134,7 @@ public class PDFGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
             break;
         case Constants.EN_GROOVE:
         case Constants.EN_RIDGE:
-        {
-            float colFactor = (style == Constants.EN_GROOVE ? 0.4f : -0.4f);
+            colFactor = (style == Constants.EN_GROOVE ? 0.4f : -0.4f);
             generator.setSolidLine();
             if (horz) {
                 Color uppercol = ColorUtil.lightenColor(col, -colFactor);
@@ -162,11 +162,9 @@ public class PDFGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
                         .strokeLine(xm1 + w3 + w3, y1, xm1 + w3 + w3, y2);
             }
             break;
-        }
         case Constants.EN_INSET:
         case Constants.EN_OUTSET:
-        {
-            float colFactor = (style == Constants.EN_OUTSET ? 0.4f : -0.4f);
+            colFactor = (style == Constants.EN_OUTSET ? 0.4f : -0.4f);
             generator.setSolidLine();
             Color c = col;
             if (horz) {
@@ -183,7 +181,6 @@ public class PDFGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
                         .strokeLine(xm1, y1, xm1, y2);
             }
             break;
-        }
         case Constants.EN_HIDDEN:
             break;
         default:
@@ -382,7 +379,6 @@ public class PDFGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
             String xS = format(xStart);
             String xE = format(xEnd);
             String yS = format(yStart);
-            String yE = format(yEnd);
             if (style == RuleStyle.GROOVE) {
                 addLine("m", xS, yS)
                         .addLine("l", xE, yS)

src/java/org/apache/fop/render/ps/PSGraphicsPainter.java

@@ -31,7 +31,6 @@ import org.apache.xmlgraphics.ps.PSGenerator;
 import org.apache.fop.fo.Constants;
 import org.apache.fop.render.intermediate.ArcToBezierCurveTransformer;
 import org.apache.fop.render.intermediate.BezierCurvePainter;
-import org.apache.fop.render.intermediate.BorderPainter;
 import org.apache.fop.render.intermediate.GraphicsPainter;
 import org.apache.fop.traits.RuleStyle;
 import org.apache.fop.util.ColorUtil;
@@ -89,7 +88,7 @@ public class PSGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
             gen.useColor(col);
             if (horz) {
                 float unit = Math.abs(2 * h);
-                int rep = (int)(w / unit);
+                int rep = (int) (w / unit);
                 if (rep % 2 == 0) {
                     rep++;
                 }
@@ -101,7 +100,7 @@ public class PSGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
                 drawLine(gen, x1, ym, x2, ym);
             } else {
                 float unit = Math.abs(2 * w);
-                int rep = (int)(h / unit);
+                int rep = (int) (h / unit);
                 if (rep % 2 == 0) {
                     rep++;
                 }
@@ -118,7 +117,7 @@ public class PSGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
             gen.useLineCap(1); //Rounded!
             if (horz) {
                 float unit = Math.abs(2 * h);
-                int rep = (int)(w / unit);
+                int rep = (int) (w / unit);
                 if (rep % 2 == 0) {
                     rep++;
                 }
@@ -129,7 +128,7 @@ public class PSGraphicsPainter implements GraphicsPainter, BezierCurvePainter {
                 drawLine(gen, x1, ym, x2, ym);
             } else {
                 float unit = Math.abs(2 * w);
-                int rep = (int)(h / unit);
+                int rep = (int) (h / unit);
                 if (rep % 2 == 0) {
                     rep++;
                 }

src/java/org/apache/fop/traits/BorderProps.java

@@ -34,7 +34,7 @@ import org.apache.fop.util.ColorUtil;
  */
 public class BorderProps implements Serializable {
 
-    private static final long serialVersionUID = 7053576586478548795L;
+    private static final long serialVersionUID = 8022237892391068187L;
 
     public enum Mode {
         SEPARATE("separate") {
@@ -155,7 +155,7 @@ public class BorderProps implements Serializable {
             return true;
         } else {
             if (obj instanceof BorderProps) {
-                BorderProps other = (BorderProps)obj;
+                BorderProps other = (BorderProps) obj;
                 return (style == other.style)
                         && org.apache.xmlgraphics.java2d.color.ColorUtil.isSameColor(
                                 color, other.color)
@@ -203,7 +203,7 @@ public class BorderProps implements Serializable {
         return sbuf.toString();
     }
 
-    private static class BorderPropsDeserializer {
+    private static final class BorderPropsDeserializer {
 
         private static final BorderPropsDeserializer INSTANCE = new BorderPropsDeserializer();
 
@@ -223,7 +223,7 @@ public class BorderProps implements Serializable {
                 m.find();
                 int width = Integer.parseInt(m.group());
                 Mode mode = Mode.SEPARATE;
-                if ( m.find()) {
+                if (m.find()) {
                     String ms = m.group();
                     if (Mode.COLLAPSE_INNER.value.equalsIgnoreCase(ms)) {
                         mode = Mode.COLLAPSE_INNER;