some lgtm issues

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1904048 13f79535-47bb-0310-9956-ffa450edef68

poi-ooxml/src/main/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java

@@ -353,6 +353,10 @@ public class XSLFPictureShape extends XSLFSimpleShape
      */
     public static XSLFPictureShape addSvgImage(XSLFSheet sheet, XSLFPictureData svgPic, PictureType previewType, Rectangle2D anchor) throws IOException {
 
+        if (svgPic == null || svgPic.getType() == null) {
+            throw new IllegalArgumentException("Cannot process svgPic with null type");
+        }
+
         SVGImageRenderer renderer = new SVGImageRenderer();
         try (InputStream is = svgPic.getInputStream()) {
             renderer.loadImage(is, svgPic.getType().contentType);
@@ -368,16 +372,17 @@ public class XSLFPictureShape extends XSLFSimpleShape
         }
 
         BufferedImage thmBI = renderer.getImage(dim);
-        UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream(100000);
-        // use extension instead of enum name, because of "jpeg"
-        ImageIO.write(thmBI, pt.extension.substring(1), bos);
+        try (UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream(100000)) {
+            // use extension instead of enum name, because of "jpeg"
+            ImageIO.write(thmBI, pt.extension.substring(1), bos);
 
-        XSLFPictureData pngPic = sheet.getSlideShow().addPicture(bos.toInputStream(), pt);
+            XSLFPictureData pngPic = sheet.getSlideShow().addPicture(bos.toInputStream(), pt);
 
-        XSLFPictureShape shape = sheet.createPicture(pngPic);
-        shape.setAnchor(anc);
-        shape.setSvgImage(svgPic);
-        return shape;
+            XSLFPictureShape shape = sheet.createPicture(pngPic);
+            shape.setAnchor(anc);
+            shape.setSvgImage(svgPic);
+            return shape;
+        }
     }
 
 

poi-ooxml/src/main/java/org/apache/poi/xssf/streaming/SXSSFWorkbook.java

@@ -1025,8 +1025,9 @@ public class SXSSFWorkbook implements Workbook {
             //Substitute the template entries with the generated sheet data files
             try (
                     InputStream is = bos.toInputStream();
+                    ZipArchiveInputStream zis = new ZipArchiveInputStream(is);
                     ZipInputStreamZipEntrySource source = new ZipInputStreamZipEntrySource(
-                        new ZipArchiveThresholdInputStream(new ZipArchiveInputStream(is)))
+                        new ZipArchiveThresholdInputStream(zis))
             ) {
                 injectData(source, stream);
             }

poi-scratchpad/src/main/java/org/apache/poi/hemf/record/emfplus/HemfPlusBrush.java

@@ -27,6 +27,7 @@ import java.awt.geom.AffineTransform;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.AbstractMap;
 import java.util.Arrays;
 import java.util.Collections;
@@ -387,17 +388,27 @@ public class HemfPlusBrush {
             return brushBytes;
         }
 
+        /**
+         * @param continuedObjectData list of object data
+         * @return {@link EmfPlusBrushData}
+         * @throws IllegalStateException if the data cannot be processed
+         */
         public EmfPlusBrushData getBrushData(List<? extends EmfPlusObjectData> continuedObjectData) {
             EmfPlusBrushData brushData = brushType.constructor.get();
             byte[] buf = getRawData(continuedObjectData);
-            try {
-                brushData.init(new LittleEndianInputStream(new UnsynchronizedByteArrayInputStream(buf)), buf.length);
+            try (UnsynchronizedByteArrayInputStream bis = new UnsynchronizedByteArrayInputStream(buf)){
+                brushData.init(new LittleEndianInputStream(bis), buf.length);
             } catch (IOException e) {
-                throw new RuntimeException(e);
+                throw new IllegalStateException(e);
             }
             return brushData;
         }
 
+        /**
+         * @param continuedObjectData list of object data
+         * @return byte array
+         * @throws IllegalStateException if the data cannot be processed
+         */
         public byte[] getRawData(List<? extends EmfPlusObjectData> continuedObjectData) {
             try (UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream()) {
                 bos.write(getBrushBytes());
@@ -408,7 +419,7 @@ public class HemfPlusBrush {
                 }
                 return bos.toByteArray();
             } catch (IOException e) {
-                throw new RuntimeException(e);
+                throw new IllegalStateException(e);
             }
         }
 
@@ -560,7 +571,7 @@ public class HemfPlusBrush {
             }
 
             if (isPreset() && (isBlendH() || isBlendV())) {
-                throw new RuntimeException("invalid combination of preset colors and blend factors v/h");
+                throw new IOException("invalid combination of preset colors and blend factors v/h");
             }
 
             size += (isPreset()) ? readColors(leis, d -> positions = d, c -> blendColors = c) : 0;
@@ -764,7 +775,7 @@ public class HemfPlusBrush {
             final boolean isPreset = PRESET_COLORS.isSet(dataFlags);
             final boolean blendH = BLEND_FACTORS_H.isSet(dataFlags);
             if (isPreset && blendH) {
-                throw new RuntimeException("invalid combination of preset colors and blend factors h");
+                throw new IOException("invalid combination of preset colors and blend factors h");
             }
 
             size += (isPreset) ? readColors(leis, d -> positions = d, c -> blendColors = c) : 0;
@@ -777,7 +788,7 @@ public class HemfPlusBrush {
                 // A 32-bit unsigned integer that specifies the number of focus scales. This value MUST be 2.
                 int focusScaleCount = leis.readInt();
                 if (focusScaleCount != 2) {
-                    throw new RuntimeException("invalid focus scale count");
+                    throw new IOException("invalid focus scale count");
                 }
                 // A floating-point value that defines the horizontal/vertical focus scale.
                 // The focus scale MUST be a value between 0.0 and 1.0, exclusive.

poi-scratchpad/src/main/java/org/apache/poi/hslf/dev/SlideShowDumper.java

@@ -252,7 +252,7 @@ public final class SlideShowDumper {
 
         // Check for corrupt / lying ones
         if (recordLen != 8 && (recordLen != (atomLen + 8))) {
-            out.printf(Locale.ROOT, ind + "** Atom length of $2d ($3d) doesn't match record length of %4d%n", "", atomLen, atomLen + 8, recordLen);
+            out.printf(Locale.ROOT, ind + "** Atom length of %2d (%3d) doesn't match record length of %4d%n", atomLen, atomLen + 8, recordLen);
         }
 
         // Print the record's details

poi/src/main/java/org/apache/poi/hssf/util/HSSFColor.java

@@ -190,11 +190,11 @@ public class HSSFColor implements Color {
         Map<Integer,HSSFColor> result = new HashMap<>(eList.size() * 3 / 2);
 
         for (Map.Entry<HSSFColorPredefined,HSSFColor> colorRef : eList.entrySet()) {
-            Integer index1 = (int)colorRef.getKey().getIndex();
+            Integer index1 = Integer.valueOf(colorRef.getKey().getIndex());
             if (!result.containsKey(index1)) {
                 result.put(index1, colorRef.getValue());
             }
-            Integer index2 = (int)colorRef.getKey().getIndex2();
+            Integer index2 = Integer.valueOf(colorRef.getKey().getIndex2());
             if (index2 != -1 && !result.containsKey(index2)) {
                 result.put(index2, colorRef.getValue());
             }

poi/src/main/java/org/apache/poi/ss/util/CellUtil.java

@@ -258,7 +258,7 @@ public final class CellUtil {
         }
 
         // Copy CellStyle
-        if (policy.isCopyCellStyle()) {
+        if (policy.isCopyCellStyle() && srcCell != null) {
             if (srcCell.getSheet() != null && destCell.getSheet() != null &&
                     destCell.getSheet().getWorkbook() == srcCell.getSheet().getWorkbook()) {
                 destCell.setCellStyle(srcCell.getCellStyle());

poi/src/main/java/org/apache/poi/util/IOUtils.java

@@ -136,26 +136,26 @@ public final class IOUtils {
         checkByteSizeLimit(limit);
 
         stream.mark(limit);
-        UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream(limit);
-        copy(new BoundedInputStream(stream, limit), bos);
+        try (UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream(limit)) {
+            copy(new BoundedInputStream(stream, limit), bos);
 
-        int readBytes = bos.size();
-        if (readBytes == 0) {
-            throw new EmptyFileException();
-        }
+            int readBytes = bos.size();
+            if (readBytes == 0) {
+                throw new EmptyFileException();
+            }
 
-        if (readBytes < limit) {
-            bos.write(new byte[limit-readBytes]);
-        }
-        byte[] peekedBytes = bos.toByteArray();
-        if(stream instanceof PushbackInputStream) {
-            PushbackInputStream pin = (PushbackInputStream)stream;
-            pin.unread(peekedBytes, 0, readBytes);
-        } else {
-            stream.reset();
+            if (readBytes < limit) {
+                bos.write(new byte[limit-readBytes]);
+            }
+            byte[] peekedBytes = bos.toByteArray();
+            if(stream instanceof PushbackInputStream) {
+                PushbackInputStream pin = (PushbackInputStream)stream;
+                pin.unread(peekedBytes, 0, readBytes);
+            } else {
+                stream.reset();
+            }
+            return peekedBytes;
         }
-
-        return peekedBytes;
     }
 
     /**
@@ -522,7 +522,7 @@ public final class IOUtils {
         }
         /*
          * N.B. no need to synchronize this because: - we don't care if the buffer is created multiple times (the data
-         * is ignored) - we always use the same size buffer, so if it it is recreated it will still be OK (if the buffer
+         * is ignored) - we always use the same size buffer, so if it is recreated it will still be OK (if the buffer
          * size were variable, we would need to synch. to ensure some other thread did not create a smaller one)
          */
         if (SKIP_BYTE_BUFFER == null) {