BmpImage.java
| Index Score | ||
|---|---|---|
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com.lowagie.text.pdf.codec |
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iText |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LOOPS | Number of loops |  |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| RETURNS | Number of return points from functions | |
| LOGICAL_LINES | Number of statements | |
| SIZE | Size of the file in bytes | |
| JAVA0076 | JAVA0076 Use of magic number | |
| CYCLOMATIC | Cyclomatic complexity | |
| ELOC | Effective lines of code | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| LOC | Lines of code | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| LINES | Number of lines in the source file | |
| COMPARISONS | Number of comparison operators | |
| BLOCKS | Number of blocks | |
| JAVA0119 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0031 | JAVA0031 Case statement not properly closed | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| COMMENTS | Comment lines | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| WHITESPACE | Number of whitespace lines | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| BLOCK_COMMENT | Number of block comment lines | |
| JAVA0040 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| PARAMS | Number of formal parameter declarations | |
| FUNCTIONS | Number of function declarations | |
| NEST_DEPTH | Maximum nesting depth | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0174 | JAVA0174 Assigned local variable never used | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0264 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0029 | JAVA0029 Private method not used | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| EXITS | Procedure exits | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Copyright 2003-2008 by Paulo Soares.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*
* This code was originally released in 2001 by SUN (see class
* com.sun.media.imageioimpl.plugins.bmp.BMPImageReader.java)
* using the BSD license in a specific wording. In a mail dating from
* January 23, 2008, Brian Burkhalter (@sun.com) gave us permission
* to use the code under the following version of the BSD license:
*
* Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
* NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
* USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
* ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
* CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
* REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
* INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for
* use in the design, construction, operation or maintenance of any
* nuclear facility.
*/
package com.lowagie.text.pdf.codec;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.HashMap;
import com.lowagie.text.BadElementException;
import com.lowagie.text.ExceptionConverter;
import com.lowagie.text.Image;
import com.lowagie.text.ImgRaw;
import com.lowagie.text.Utilities;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfDictionary;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfNumber;
import com.lowagie.text.pdf.PdfString;
/** Reads a BMP image. All types of BMP can be read.
* <p>
* It is based in the JAI codec.
*
* @author Paulo Soares (psoares@consiste.pt)
*/
public class BmpImage {
// BMP variables
private InputStream inputStream;
private long bitmapFileSize;
private long bitmapOffset;
private long compression;
private long imageSize;
private byte palette[];
private int imageType;
private int numBands;
private boolean isBottomUp;
private int bitsPerPixel;
private int redMask, greenMask, blueMask, alphaMask;
public HashMap properties = new HashMap();
private long xPelsPerMeter;
private long yPelsPerMeter;
// BMP Image types
private static final int VERSION_2_1_BIT = 0;
private static final int VERSION_2_4_BIT = 1;
private static final int VERSION_2_8_BIT = 2;
private static final int VERSION_2_24_BIT = 3;
private static final int VERSION_3_1_BIT = 4;
private static final int VERSION_3_4_BIT = 5;
private static final int VERSION_3_8_BIT = 6;
private static final int VERSION_3_24_BIT = 7;
private static final int VERSION_3_NT_16_BIT = 8;
private static final int VERSION_3_NT_32_BIT = 9;
private static final int VERSION_4_1_BIT = 10;
private static final int VERSION_4_4_BIT = 11;
private static final int VERSION_4_8_BIT = 12;
private static final int VERSION_4_16_BIT = 13;
private static final int VERSION_4_24_BIT = 14;
private static final int VERSION_4_32_BIT = 15;
// Color space types
private static final int LCS_CALIBRATED_RGB = 0;
private static final int LCS_sRGB = 1;
private static final int LCS_CMYK = 2;
// Compression Types
private static final int BI_RGB = 0;
private static final int BI_RLE8 = 1;
private static final int BI_RLE4 = 2;
private static final int BI_BITFIELDS = 3;
int width;
int height;
BmpImage(InputStream is, boolean noHeader, int size) throws IOException {
bitmapFileSize = size;
bitmapOffset = 0;
process(is, noHeader);
}
/** Reads a BMP from an url.
* @param url the url
* @throws IOException on error
* @return the image
*/
public static Image getImage(URL url) throws IOException {
InputStream is = null;
try {
is = url.openStream();
Image img = getImage(is);
img.setUrl(url);
return img;
}
finally {
if (is != null) {
is.close();
}
}
}
/** Reads a BMP from a stream. The stream is not closed.
* @param is the stream
* @throws IOException on error
* @return the image
*/
public static Image getImage(InputStream is) throws IOException {
return getImage(is, false, 0);
}
/** Reads a BMP from a stream. The stream is not closed.
* The BMP may not have a header and be considered as a plain DIB.
* @param is the stream
* @param noHeader true to process a plain DIB
* @param size the size of the DIB. Not used for a BMP
* @throws IOException on error
* @return the image
*/
public static Image getImage(InputStream is, boolean noHeader, int size) throws IOException {
BmpImage bmp = new BmpImage(is, noHeader, size);
try {
Image img = bmp.getImage();
img.setDpi((int)(bmp.xPelsPerMeter * 0.0254d + 0.5d), (int)(bmp.yPelsPerMeter * 0.0254d + 0.5d));
img.setOriginalType(Image.ORIGINAL_BMP);
return img;
}
catch (BadElementException be) {
throw new ExceptionConverter(be);
}
}
/** Reads a BMP from a file.
* @param file the file
* @throws IOException on error
* @return the image
*/
public static Image getImage(String file) throws IOException {
return getImage(Utilities.toURL(file));
}
/** Reads a BMP from a byte array.
* @param data the byte array
* @throws IOException on error
* @return the image
*/
public static Image getImage(byte data[]) throws IOException {
ByteArrayInputStream is = new ByteArrayInputStream(data);
Image img = getImage(is);
img.setOriginalData(data);
return img;
}
protected void process(InputStream stream, boolean noHeader) throws IOException {
if (noHeader || stream instanceof BufferedInputStream) {
inputStream = stream;
} else {
inputStream = new BufferedInputStream(stream);
}
if (!noHeader) {
// Start File Header
if (!(readUnsignedByte(inputStream) == 'B' &&
readUnsignedByte(inputStream) == 'M')) {
throw new
RuntimeException("Invalid magic value for BMP file.");
}
// Read file size
bitmapFileSize = readDWord(inputStream);
// Read the two reserved fields
readWord(inputStream);
readWord(inputStream);
// Offset to the bitmap from the beginning
bitmapOffset = readDWord(inputStream);
// End File Header
}
// Start BitmapCoreHeader
long size = readDWord(inputStream);
if (size == 12) {
width = readWord(inputStream);
height = readWord(inputStream);
} else {
width = readLong(inputStream);
height = readLong(inputStream);
}
int planes = readWord(inputStream);
bitsPerPixel = readWord(inputStream);
properties.put("color_planes", new Integer(planes));
properties.put("bits_per_pixel", new Integer(bitsPerPixel));
// As BMP always has 3 rgb bands, except for Version 5,
// which is bgra
numBands = 3;
if (bitmapOffset == 0)
bitmapOffset = size;
if (size == 12) {
// Windows 2.x and OS/2 1.x
properties.put("bmp_version", "BMP v. 2.x");
// Classify the image type
if (bitsPerPixel == 1) {
imageType = VERSION_2_1_BIT;
} else if (bitsPerPixel == 4) {
imageType = VERSION_2_4_BIT;
} else if (bitsPerPixel == 8) {
imageType = VERSION_2_8_BIT;
} else if (bitsPerPixel == 24) {
imageType = VERSION_2_24_BIT;
}
// Read in the palette
int numberOfEntries = (int)((bitmapOffset-14-size) / 3);
int sizeOfPalette = numberOfEntries*3;
if (bitmapOffset == size) {
switch (imageType) {
case VERSION_2_1_BIT:
sizeOfPalette = 2 * 3;
break;
case VERSION_2_4_BIT:
sizeOfPalette = 16 * 3;
break;
case VERSION_2_8_BIT:
sizeOfPalette = 256 * 3;
break;
case VERSION_2_24_BIT:
sizeOfPalette = 0;
break;
}
bitmapOffset = size + sizeOfPalette;
}
readPalette(sizeOfPalette);
} else {
compression = readDWord(inputStream);
imageSize = readDWord(inputStream);
xPelsPerMeter = readLong(inputStream);
yPelsPerMeter = readLong(inputStream);
long colorsUsed = readDWord(inputStream);
long colorsImportant = readDWord(inputStream);
switch((int)compression) {
case BI_RGB:
properties.put("compression", "BI_RGB");
break;
case BI_RLE8:
properties.put("compression", "BI_RLE8");
break;
case BI_RLE4:
properties.put("compression", "BI_RLE4");
break;
case BI_BITFIELDS:
properties.put("compression", "BI_BITFIELDS");
break;
}
properties.put("x_pixels_per_meter", new Long(xPelsPerMeter));
properties.put("y_pixels_per_meter", new Long(yPelsPerMeter));
properties.put("colors_used", new Long(colorsUsed));
properties.put("colors_important", new Long(colorsImportant));
if (size == 40) {
// Windows 3.x and Windows NT
switch((int)compression) {
case BI_RGB: // No compression
case BI_RLE8: // 8-bit RLE compression
case BI_RLE4: // 4-bit RLE compression
if (bitsPerPixel == 1) {
imageType = VERSION_3_1_BIT;
} else if (bitsPerPixel == 4) {
imageType = VERSION_3_4_BIT;
} else if (bitsPerPixel == 8) {
imageType = VERSION_3_8_BIT;
} else if (bitsPerPixel == 24) {
imageType = VERSION_3_24_BIT;
} else if (bitsPerPixel == 16) {
imageType = VERSION_3_NT_16_BIT;
redMask = 0x7C00;
greenMask = 0x3E0;
blueMask = 0x1F;
properties.put("red_mask", new Integer(redMask));
properties.put("green_mask", new Integer(greenMask));
properties.put("blue_mask", new Integer(blueMask));
} else if (bitsPerPixel == 32) {
imageType = VERSION_3_NT_32_BIT;
redMask = 0x00FF0000;
greenMask = 0x0000FF00;
blueMask = 0x000000FF;
properties.put("red_mask", new Integer(redMask));
properties.put("green_mask", new Integer(greenMask));
properties.put("blue_mask", new Integer(blueMask));
}
// Read in the palette
int numberOfEntries = (int)((bitmapOffset-14-size) / 4);
int sizeOfPalette = numberOfEntries*4;
if (bitmapOffset == size) {
switch (imageType) {
case VERSION_3_1_BIT:
sizeOfPalette = (int)(colorsUsed == 0 ? 2 : colorsUsed) * 4;
break;
case VERSION_3_4_BIT:
sizeOfPalette = (int)(colorsUsed == 0 ? 16 : colorsUsed) * 4;
break;
case VERSION_3_8_BIT:
sizeOfPalette = (int)(colorsUsed == 0 ? 256 : colorsUsed) * 4;
break;
default:
sizeOfPalette = 0;
break;
}
bitmapOffset = size + sizeOfPalette;
}
readPalette(sizeOfPalette);
properties.put("bmp_version", "BMP v. 3.x");
break;
case BI_BITFIELDS:
if (bitsPerPixel == 16) {
imageType = VERSION_3_NT_16_BIT;
} else if (bitsPerPixel == 32) {
imageType = VERSION_3_NT_32_BIT;
}
// BitsField encoding
redMask = (int)readDWord(inputStream);
greenMask = (int)readDWord(inputStream);
blueMask = (int)readDWord(inputStream);
properties.put("red_mask", new Integer(redMask));
properties.put("green_mask", new Integer(greenMask));
properties.put("blue_mask", new Integer(blueMask));
if (colorsUsed != 0) {
// there is a palette
sizeOfPalette = (int)colorsUsed*4;
readPalette(sizeOfPalette);
}
properties.put("bmp_version", "BMP v. 3.x NT");
break;
default:
throw new
RuntimeException("Invalid compression specified in BMP file.");
}
} else if (size == 108) {
// Windows 4.x BMP
properties.put("bmp_version", "BMP v. 4.x");
// rgb masks, valid only if comp is BI_BITFIELDS
redMask = (int)readDWord(inputStream);
greenMask = (int)readDWord(inputStream);
blueMask = (int)readDWord(inputStream);
// Only supported for 32bpp BI_RGB argb
alphaMask = (int)readDWord(inputStream);
long csType = readDWord(inputStream);
int redX = readLong(inputStream);
int redY = readLong(inputStream);
int redZ = readLong(inputStream);
int greenX = readLong(inputStream);
int greenY = readLong(inputStream);
int greenZ = readLong(inputStream);
int blueX = readLong(inputStream);
int blueY = readLong(inputStream);
int blueZ = readLong(inputStream);
long gammaRed = readDWord(inputStream);
long gammaGreen = readDWord(inputStream);
long gammaBlue = readDWord(inputStream);
if (bitsPerPixel == 1) {
imageType = VERSION_4_1_BIT;
} else if (bitsPerPixel == 4) {
imageType = VERSION_4_4_BIT;
} else if (bitsPerPixel == 8) {
imageType = VERSION_4_8_BIT;
} else if (bitsPerPixel == 16) {
imageType = VERSION_4_16_BIT;
if ((int)compression == BI_RGB) {
redMask = 0x7C00;
greenMask = 0x3E0;
blueMask = 0x1F;
}
} else if (bitsPerPixel == 24) {
imageType = VERSION_4_24_BIT;
} else if (bitsPerPixel == 32) {
imageType = VERSION_4_32_BIT;
if ((int)compression == BI_RGB) {
redMask = 0x00FF0000;
greenMask = 0x0000FF00;
blueMask = 0x000000FF;
}
}
properties.put("red_mask", new Integer(redMask));
properties.put("green_mask", new Integer(greenMask));
properties.put("blue_mask", new Integer(blueMask));
properties.put("alpha_mask", new Integer(alphaMask));
// Read in the palette
int numberOfEntries = (int)((bitmapOffset-14-size) / 4);
int sizeOfPalette = numberOfEntries*4;
if (bitmapOffset == size) {
switch (imageType) {
case VERSION_4_1_BIT:
sizeOfPalette = (int)(colorsUsed == 0 ? 2 : colorsUsed) * 4;
break;
case VERSION_4_4_BIT:
sizeOfPalette = (int)(colorsUsed == 0 ? 16 : colorsUsed) * 4;
break;
case VERSION_4_8_BIT:
sizeOfPalette = (int)(colorsUsed == 0 ? 256 : colorsUsed) * 4;
break;
default:
sizeOfPalette = 0;
break;
}
bitmapOffset = size + sizeOfPalette;
}
readPalette(sizeOfPalette);
switch((int)csType) {
case LCS_CALIBRATED_RGB:
// All the new fields are valid only for this case
properties.put("color_space", "LCS_CALIBRATED_RGB");
properties.put("redX", new Integer(redX));
properties.put("redY", new Integer(redY));
properties.put("redZ", new Integer(redZ));
properties.put("greenX", new Integer(greenX));
properties.put("greenY", new Integer(greenY));
properties.put("greenZ", new Integer(greenZ));
properties.put("blueX", new Integer(blueX));
properties.put("blueY", new Integer(blueY));
properties.put("blueZ", new Integer(blueZ));
properties.put("gamma_red", new Long(gammaRed));
properties.put("gamma_green", new Long(gammaGreen));
properties.put("gamma_blue", new Long(gammaBlue));
// break;
throw new
RuntimeException("Not implemented yet.");
case LCS_sRGB:
// Default Windows color space
properties.put("color_space", "LCS_sRGB");
break;
case LCS_CMYK:
properties.put("color_space", "LCS_CMYK");
// break;
throw new
RuntimeException("Not implemented yet.");
}
} else {
properties.put("bmp_version", "BMP v. 5.x");
throw new
RuntimeException("BMP version 5 not implemented yet.");
}
}
if (height > 0) {
// bottom up image
isBottomUp = true;
} else {
// top down image
isBottomUp = false;
height = Math.abs(height);
}
// When number of bitsPerPixel is <= 8, we use IndexColorModel.
if (bitsPerPixel == 1 || bitsPerPixel == 4 || bitsPerPixel == 8) {
numBands = 1;
// Create IndexColorModel from the palette.
byte r[], g[], b[];
int sizep;
if (imageType == VERSION_2_1_BIT ||
imageType == VERSION_2_4_BIT ||
imageType == VERSION_2_8_BIT) {
sizep = palette.length/3;
if (sizep > 256) {
sizep = 256;
}
int off;
r = new byte[sizep];
g = new byte[sizep];
b = new byte[sizep];
for (int i=0; i<sizep; i++) {
off = 3 * i;
b[i] = palette[off];
g[i] = palette[off+1];
r[i] = palette[off+2];
}
} else {
sizep = palette.length/4;
if (sizep > 256) {
sizep = 256;
}
int off;
r = new byte[sizep];
g = new byte[sizep];
b = new byte[sizep];
for (int i=0; i<sizep; i++) {
off = 4 * i;
b[i] = palette[off];
g[i] = palette[off+1];
r[i] = palette[off+2];
}
}
} else if (bitsPerPixel == 16) {
numBands = 3;
} else if (bitsPerPixel == 32) {
numBands = alphaMask == 0 ? 3 : 4;
// The number of bands in the SampleModel is determined by
// the length of the mask array passed in.
} else {
numBands = 3;
}
}
private byte[] getPalette(int group) {
if (palette == null)
return null;
byte np[] = new byte[palette.length / group * 3];
int e = palette.length / group;
for (int k = 0; k < e; ++k) {
int src = k * group;
int dest = k * 3;
np[dest + 2] = palette[src++];
np[dest + 1] = palette[src++];
np[dest] = palette[src];
}
return np;
}
private Image getImage() throws IOException, BadElementException {
byte bdata[] = null; // buffer for byte data
// if (sampleModel.getDataType() == DataBuffer.TYPE_BYTE)
// bdata = (byte[])((DataBufferByte)tile.getDataBuffer()).getData();
// else if (sampleModel.getDataType() == DataBuffer.TYPE_USHORT)
// sdata = (short[])((DataBufferUShort)tile.getDataBuffer()).getData();
// else if (sampleModel.getDataType() == DataBuffer.TYPE_INT)
// idata = (int[])((DataBufferInt)tile.getDataBuffer()).getData();
// There should only be one tile.
switch(imageType) {
case VERSION_2_1_BIT:
// no compression
return read1Bit(3);
case VERSION_2_4_BIT:
// no compression
return read4Bit(3);
case VERSION_2_8_BIT:
// no compression
return read8Bit(3);
case VERSION_2_24_BIT:
// no compression
bdata = new byte[width * height * 3];
read24Bit(bdata);
return new ImgRaw(width, height, 3, 8, bdata);
case VERSION_3_1_BIT:
// 1-bit images cannot be compressed.
return read1Bit(4);
case VERSION_3_4_BIT:
switch((int)compression) {
case BI_RGB:
return read4Bit(4);
case BI_RLE4:
return readRLE4();
default:
throw new
RuntimeException("Invalid compression specified for BMP file.");
}
case VERSION_3_8_BIT:
switch((int)compression) {
case BI_RGB:
return read8Bit(4);
case BI_RLE8:
return readRLE8();
default:
throw new
RuntimeException("Invalid compression specified for BMP file.");
}
case VERSION_3_24_BIT:
// 24-bit images are not compressed
bdata = new byte[width * height * 3];
read24Bit(bdata);
return new ImgRaw(width, height, 3, 8, bdata);
case VERSION_3_NT_16_BIT:
return read1632Bit(false);
case VERSION_3_NT_32_BIT:
return read1632Bit(true);
case VERSION_4_1_BIT:
return read1Bit(4);
case VERSION_4_4_BIT:
switch((int)compression) {
case BI_RGB:
return read4Bit(4);
case BI_RLE4:
return readRLE4();
default:
throw new
RuntimeException("Invalid compression specified for BMP file.");
}
case VERSION_4_8_BIT:
switch((int)compression) {
case BI_RGB:
return read8Bit(4);
case BI_RLE8:
return readRLE8();
default:
throw new
RuntimeException("Invalid compression specified for BMP file.");
}
case VERSION_4_16_BIT:
return read1632Bit(false);
case VERSION_4_24_BIT:
bdata = new byte[width * height * 3];
read24Bit(bdata);
return new ImgRaw(width, height, 3, 8, bdata);
case VERSION_4_32_BIT:
return read1632Bit(true);
}
return null;
}
private Image indexedModel(byte bdata[], int bpc, int paletteEntries) throws BadElementException {
Image img = new ImgRaw(width, height, 1, bpc, bdata);
PdfArray colorspace = new PdfArray();
colorspace.add(PdfName.INDEXED);
colorspace.add(PdfName.DEVICERGB);
byte np[] = getPalette(paletteEntries);
int len = np.length;
colorspace.add(new PdfNumber(len / 3 - 1));
colorspace.add(new PdfString(np));
PdfDictionary ad = new PdfDictionary();
ad.put(PdfName.COLORSPACE, colorspace);
img.setAdditional(ad);
return img;
}
private void readPalette(int sizeOfPalette) throws IOException {
if (sizeOfPalette == 0) {
return;
}
palette = new byte[sizeOfPalette];
int bytesRead = 0;
while (bytesRead < sizeOfPalette) {
int r = inputStream.read(palette, bytesRead, sizeOfPalette - bytesRead);
if (r < 0) {
throw new RuntimeException("incomplete palette");
}
bytesRead += r;
}
properties.put("palette", palette);
}
// Deal with 1 Bit images using IndexColorModels
private Image read1Bit(int paletteEntries) throws IOException, BadElementException {
byte bdata[] = new byte[((width + 7) / 8) * height];
int padding = 0;
int bytesPerScanline = (int)Math.ceil(width/8.0d);
int remainder = bytesPerScanline % 4;
if (remainder != 0) {
padding = 4 - remainder;
}
int imSize = (bytesPerScanline + padding) * height;
// Read till we have the whole image
byte values[] = new byte[imSize];
int bytesRead = 0;
while (bytesRead < imSize) {
bytesRead += inputStream.read(values, bytesRead,
imSize - bytesRead);
}
if (isBottomUp) {
// Convert the bottom up image to a top down format by copying
// one scanline from the bottom to the top at a time.
for (int i=0; i<height; i++) {
System.arraycopy(values,
imSize - (i+1)*(bytesPerScanline + padding),
bdata,
i*bytesPerScanline, bytesPerScanline);
}
} else {
for (int i=0; i<height; i++) {
System.arraycopy(values,
i * (bytesPerScanline + padding),
bdata,
i * bytesPerScanline,
bytesPerScanline);
}
}
return indexedModel(bdata, 1, paletteEntries);
}
// Method to read a 4 bit BMP image data
private Image read4Bit(int paletteEntries) throws IOException, BadElementException {
byte bdata[] = new byte[((width + 1) / 2) * height];
// Padding bytes at the end of each scanline
int padding = 0;
int bytesPerScanline = (int)Math.ceil(width/2.0d);
int remainder = bytesPerScanline % 4;
if (remainder != 0) {
padding = 4 - remainder;
}
int imSize = (bytesPerScanline + padding) * height;
// Read till we have the whole image
byte values[] = new byte[imSize];
int bytesRead = 0;
while (bytesRead < imSize) {
bytesRead += inputStream.read(values, bytesRead,
imSize - bytesRead);
}
if (isBottomUp) {
// Convert the bottom up image to a top down format by copying
// one scanline from the bottom to the top at a time.
for (int i=0; i<height; i++) {
System.arraycopy(values,
imSize - (i+1)*(bytesPerScanline + padding),
bdata,
i*bytesPerScanline,
bytesPerScanline);
}
} else {
for (int i=0; i<height; i++) {
System.arraycopy(values,
i * (bytesPerScanline + padding),
bdata,
i * bytesPerScanline,
bytesPerScanline);
}
}
return indexedModel(bdata, 4, paletteEntries);
}
// Method to read 8 bit BMP image data
private Image read8Bit(int paletteEntries) throws IOException, BadElementException {
byte bdata[] = new byte[width * height];
// Padding bytes at the end of each scanline
int padding = 0;
// width * bitsPerPixel should be divisible by 32
int bitsPerScanline = width * 8;
if ( bitsPerScanline%32 != 0) {
padding = (bitsPerScanline/32 + 1)*32 - bitsPerScanline;
padding = (int)Math.ceil(padding/8.0);
}
int imSize = (width + padding) * height;
// Read till we have the whole image
byte values[] = new byte[imSize];
int bytesRead = 0;
while (bytesRead < imSize) {
bytesRead += inputStream.read(values, bytesRead, imSize - bytesRead);
}
if (isBottomUp) {
// Convert the bottom up image to a top down format by copying
// one scanline from the bottom to the top at a time.
for (int i=0; i<height; i++) {
System.arraycopy(values,
imSize - (i+1) * (width + padding),
bdata,
i * width,
width);
}
} else {
for (int i=0; i<height; i++) {
System.arraycopy(values,
i * (width + padding),
bdata,
i * width,
width);
}
}
return indexedModel(bdata, 8, paletteEntries);
}
// Method to read 24 bit BMP image data
private void read24Bit(byte[] bdata) {
// Padding bytes at the end of each scanline
int padding = 0;
// width * bitsPerPixel should be divisible by 32
int bitsPerScanline = width * 24;
if ( bitsPerScanline%32 != 0) {
padding = (bitsPerScanline/32 + 1)*32 - bitsPerScanline;
padding = (int)Math.ceil(padding/8.0);
}
int imSize = ((width * 3 + 3) / 4 * 4) * height;
// Read till we have the whole image
byte values[] = new byte[imSize];
try {
int bytesRead = 0;
while (bytesRead < imSize) {
int r = inputStream.read(values, bytesRead,
imSize - bytesRead);
if (r < 0)
break;
bytesRead += r;
}
} catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
int l=0, count;
if (isBottomUp) {
int max = width*height*3-1;
count = -padding;
for (int i=0; i<height; i++) {
l = max - (i+1)*width*3 + 1;
count += padding;
for (int j=0; j<width; j++) {
bdata[l + 2] = values[count++];
bdata[l + 1] = values[count++];
bdata[l] = values[count++];
l += 3;
}
}
} else {
count = -padding;
for (int i=0; i<height; i++) {
count += padding;
for (int j=0; j<width; j++) {
bdata[l + 2] = values[count++];
bdata[l + 1] = values[count++];
bdata[l] = values[count++];
l += 3;
}
}
}
}
private int findMask(int mask) {
int k = 0;
for (; k < 32; ++k) {
if ((mask & 1) == 1)
break;
mask >>>= 1;
}
return mask;
}
private int findShift(int mask) {
int k = 0;
for (; k < 32; ++k) {
if ((mask & 1) == 1)
break;
mask >>>= 1;
}
return k;
}
private Image read1632Bit(boolean is32) throws IOException, BadElementException {
int red_mask = findMask(redMask);
int red_shift = findShift(redMask);
int red_factor = red_mask + 1;
int green_mask = findMask(greenMask);
int green_shift = findShift(greenMask);
int green_factor = green_mask + 1;
int blue_mask = findMask(blueMask);
int blue_shift = findShift(blueMask);
int blue_factor = blue_mask + 1;
byte bdata[] = new byte[width * height * 3];
// Padding bytes at the end of each scanline
int padding = 0;
if (!is32) {
// width * bitsPerPixel should be divisible by 32
int bitsPerScanline = width * 16;
if ( bitsPerScanline%32 != 0) {
padding = (bitsPerScanline/32 + 1)*32 - bitsPerScanline;
padding = (int)Math.ceil(padding/8.0);
}
}
int imSize = (int)imageSize;
if (imSize == 0) {
imSize = (int)(bitmapFileSize - bitmapOffset);
}
int l=0;
int v;
if (isBottomUp) {
for (int i=height - 1; i >= 0; --i) {
l = width * 3 * i;
for (int j=0; j<width; j++) {
if (is32)
v = (int)readDWord(inputStream);
else
v = readWord(inputStream);
bdata[l++] = (byte)(((v >>> red_shift) & red_mask) * 256 / red_factor);
bdata[l++] = (byte)(((v >>> green_shift) & green_mask) * 256 / green_factor);
bdata[l++] = (byte)(((v >>> blue_shift) & blue_mask) * 256 / blue_factor);
}
for (int m=0; m<padding; m++) {
inputStream.read();
}
}
} else {
for (int i=0; i<height; i++) {
for (int j=0; j<width; j++) {
if (is32)
v = (int)readDWord(inputStream);
else
v = readWord(inputStream);
bdata[l++] = (byte)(((v >>> red_shift) & red_mask) * 256 / red_factor);
bdata[l++] = (byte)(((v >>> green_shift) & green_mask) * 256 / green_factor);
bdata[l++] = (byte)(((v >>> blue_shift) & blue_mask) * 256 / blue_factor);
}
for (int m=0; m<padding; m++) {
inputStream.read();
}
}
}
return new ImgRaw(width, height, 3, 8, bdata);
}
private Image readRLE8() throws IOException, BadElementException {
// If imageSize field is not provided, calculate it.
int imSize = (int)imageSize;
if (imSize == 0) {
imSize = (int)(bitmapFileSize - bitmapOffset);
}
// Read till we have the whole image
byte values[] = new byte[imSize];
int bytesRead = 0;
while (bytesRead < imSize) {
bytesRead += inputStream.read(values, bytesRead,
imSize - bytesRead);
}
// Since data is compressed, decompress it
byte val[] = decodeRLE(true, values);
// Uncompressed data does not have any padding
imSize = width * height;
if (isBottomUp) {
// Convert the bottom up image to a top down format by copying
// one scanline from the bottom to the top at a time.
// int bytesPerScanline = (int)Math.ceil((double)width/8.0);
byte temp[] = new byte[val.length];
int bytesPerScanline = width;
for (int i=0; i<height; i++) {
System.arraycopy(val,
imSize - (i+1)*(bytesPerScanline),
temp,
i*bytesPerScanline, bytesPerScanline);
}
val = temp;
}
return indexedModel(val, 8, 4);
}
private Image readRLE4() throws IOException, BadElementException {
// If imageSize field is not specified, calculate it.
int imSize = (int)imageSize;
if (imSize == 0) {
imSize = (int)(bitmapFileSize - bitmapOffset);
}
// Read till we have the whole image
byte values[] = new byte[imSize];
int bytesRead = 0;
while (bytesRead < imSize) {
bytesRead += inputStream.read(values, bytesRead,
imSize - bytesRead);
}
// Decompress the RLE4 compressed data.
byte val[] = decodeRLE(false, values);
// Invert it as it is bottom up format.
if (isBottomUp) {
byte inverted[] = val;
val = new byte[width * height];
int l = 0, index, lineEnd;
for (int i = height-1; i >= 0; i--) {
index = i * width;
lineEnd = l + width;
while(l != lineEnd) {
val[l++] = inverted[index++];
}
}
}
int stride = ((width + 1) / 2);
byte bdata[] = new byte[stride * height];
int ptr = 0;
int sh = 0;
for (int h = 0; h < height; ++h) {
for (int w = 0; w < width; ++w) {
if ((w & 1) == 0)
bdata[sh + w / 2] = (byte)(val[ptr++] << 4);
else
bdata[sh + w / 2] |= (byte)(val[ptr++] & 0x0f);
}
sh += stride;
}
return indexedModel(bdata, 4, 4);
}
private byte[] decodeRLE(boolean is8, byte values[]) {
byte val[] = new byte[width * height];
try {
int ptr = 0;
int x = 0;
int q = 0;
for (int y = 0; y < height && ptr < values.length;) {
int count = values[ptr++] & 0xff;
if (count != 0) {
// encoded mode
int bt = values[ptr++] & 0xff;
if (is8) {
for (int i = count; i != 0; --i) {
val[q++] = (byte)bt;
}
}
else {
for (int i = 0; i < count; ++i) {
val[q++] = (byte)((i & 1) == 1 ? (bt & 0x0f) : ((bt >>> 4) & 0x0f));
}
}
x += count;
}
else {
// escape mode
count = values[ptr++] & 0xff;
if (count == 1)
break;
switch (count) {
case 0:
x = 0;
++y;
q = y * width;
break;
case 2:
// delta mode
x += values[ptr++] & 0xff;
y += values[ptr++] & 0xff;
q = y * width + x;
break;
default:
// absolute mode
if (is8) {
for (int i = count; i != 0; --i)
val[q++] = (byte)(values[ptr++] & 0xff);
}
else {
int bt = 0;
for (int i = 0; i < count; ++i) {
if ((i & 1) == 0)
bt = values[ptr++] & 0xff;
val[q++] = (byte)((i & 1) == 1 ? (bt & 0x0f) : ((bt >>> 4) & 0x0f));
}
}
x += count;
// read pad byte
if (is8) {
if ((count & 1) == 1)
++ptr;
}
else {
if ((count & 3) == 1 || (count & 3) == 2)
++ptr;
}
break;
}
}
}
}
catch (RuntimeException e) {
//empty on purpose
}
return val;
}
// Windows defined data type reading methods - everything is little endian
// Unsigned 8 bits
private int readUnsignedByte(InputStream stream) throws IOException {
return (stream.read() & 0xff);
}
// Unsigned 2 bytes
private int readUnsignedShort(InputStream stream) throws IOException {
int b1 = readUnsignedByte(stream);
int b2 = readUnsignedByte(stream);
return ((b2 << 8) | b1) & 0xffff;
}
// Signed 16 bits
private int readShort(InputStream stream) throws IOException {
int b1 = readUnsignedByte(stream);
int b2 = readUnsignedByte(stream);
return (b2 << 8) | b1;
}
// Unsigned 16 bits
private int readWord(InputStream stream) throws IOException {
return readUnsignedShort(stream);
}
// Unsigned 4 bytes
private long readUnsignedInt(InputStream stream) throws IOException {
int b1 = readUnsignedByte(stream);
int b2 = readUnsignedByte(stream);
int b3 = readUnsignedByte(stream);
int b4 = readUnsignedByte(stream);
long l = (b4 << 24) | (b3 << 16) | (b2 << 8) | b1;
return l & 0xffffffff;
}
// Signed 4 bytes
private int readInt(InputStream stream) throws IOException {
int b1 = readUnsignedByte(stream);
int b2 = readUnsignedByte(stream);
int b3 = readUnsignedByte(stream);
int b4 = readUnsignedByte(stream);
return (b4 << 24) | (b3 << 16) | (b2 << 8) | b1;
}
// Unsigned 4 bytes
private long readDWord(InputStream stream) throws IOException {
return readUnsignedInt(stream);
}
// 32 bit signed value
private int readLong(InputStream stream) throws IOException {
return readInt(stream);
}
}
The table below shows all metrics for BmpImage.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 151.00 | Number of blocks | |
| BLOCK_COMMENT | 88.00 | Number of block comment lines | |
| COMMENTS | 215.00 | Comment lines | |
| COMMENT_DENSITY | 0.27 | Comment density | |
| COMPARISONS | 113.00 | Number of comparison operators | |
| CYCLOMATIC | 215.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 24.00 | Comments in declarations | |
| DOC_COMMENT | 34.00 | Number of javadoc comment lines | |
| ELOC | 791.00 | Effective lines of code | |
| EXEC_COMMENTS | 64.00 | Comments in executable code | |
| EXITS | 41.00 | Procedure exits | |
| FUNCTIONS | 29.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 173.37 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 216.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 1.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 1.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 4.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 4.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 15.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 1.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 1.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 3.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 23.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 98.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 1.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 1.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 1.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 11.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 3.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 3.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 8.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 1.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 1.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 10.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 1.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 1300.00 | Number of lines in the source file | |
| LINE_COMMENT | 93.00 | Number of line comments | |
| LOC | 925.00 | Lines of code | |
| LOGICAL_LINES | 573.00 | Number of statements | |
| LOOPS | 38.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 2112.00 | Number of operands | |
| OPERATORS | 4181.00 | Number of operators | |
| PARAMS | 34.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 6293.00 | Halstead program length | |
| PROGRAM_VOCAB | 468.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 182.00 | Number of return points from functions | |
| SIZE | 49477.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 402.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 66.00 | Number of unique operators | |
| WHITESPACE | 160.00 | Number of whitespace lines | |