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Various code tweaks and refactorings suggested by IntelliJ

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git-svn-id: https://zxing.googlecode.com/svn/trunk@246 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2008-03-05 17:26:44 +00:00
parent c82d0790c3
commit a78f7f40d5
26 changed files with 69 additions and 88 deletions
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16
android/src/com/google/zxing/client/android/BarcodeReaderCaptureActivity.java
View file

@ -176,20 +176,20 @@ public final class BarcodeReaderCaptureActivity extends Activity {
}
private static boolean canBeHandled(ParsedReaderResultType type) {
return type != ParsedReaderResultType.TEXT;
return !type.equals(ParsedReaderResultType.TEXT);
}
private static int getDialogTitleID(ParsedReaderResultType type) {
if (type == ParsedReaderResultType.ADDRESSBOOK) {
if (type.equals(ParsedReaderResultType.ADDRESSBOOK)) {
return R.string.title_add_contact;
} else if (type == ParsedReaderResultType.URI ||
type == ParsedReaderResultType.BOOKMARK ||
type == ParsedReaderResultType.URLTO) {
} else if (type.equals(ParsedReaderResultType.URI) ||
type.equals(ParsedReaderResultType.BOOKMARK) ||
type.equals(ParsedReaderResultType.URLTO)) {
return R.string.title_open_url;
} else if (type == ParsedReaderResultType.EMAIL ||
type == ParsedReaderResultType.EMAIL_ADDRESS) {
} else if (type.equals(ParsedReaderResultType.EMAIL) ||
type.equals(ParsedReaderResultType.EMAIL_ADDRESS)) {
return R.string.title_compose_email;
} else if (type == ParsedReaderResultType.UPC) {
} else if (type.equals(ParsedReaderResultType.UPC)) {
return R.string.title_lookup_barcode;
} else {
return R.string.title_barcode_detected;

8
android/src/com/google/zxing/client/android/CameraManager.java
View file

@ -38,15 +38,15 @@ final class CameraManager {
private static final String TAG = "CameraManager";
private Context context;
private final Context context;
private Point cameraResolution;
private Point stillResolution;
private int stillMultiplier;
private Point screenResolution;
private Rect framingRect;
private Bitmap bitmap;
private final Bitmap bitmap;
private CameraDevice camera;
private CameraDevice.CaptureParams params;
private final CameraDevice.CaptureParams params;
private boolean previewMode;
CameraManager(Context context) {
@ -200,7 +200,7 @@ final class CameraManager {
// The camera driver can only capture images which are a multiple of eight, so it's necessary to
// round up.
nativeResolution = (nativeResolution + 7) / 8 * 8;
nativeResolution = ((nativeResolution + 7) >> 3) << 3;
if (nativeResolution > minDimension) {
nativeResolution = minDimension;
}

4
android/src/com/google/zxing/client/android/CameraSurfaceView.java
View file

@ -33,8 +33,8 @@ final class CameraSurfaceView extends SurfaceView implements SurfaceHolder.Callb
private static final int[] SCANNER_ALPHA = {0, 64, 128, 192, 255, 192, 128, 64};
private CameraManager cameraManager;
private SurfaceHolder surfaceHolder;
private final CameraManager cameraManager;
private final SurfaceHolder surfaceHolder;
private boolean hasSurface;
private int scannerAlpha;

3
core/src/com/google/zxing/ReaderException.java
View file

@ -25,9 +25,6 @@ package com.google.zxing;
*/
public final class ReaderException extends Exception {
public ReaderException() {
}
public ReaderException(String message) {
super(message);
}

2
core/src/com/google/zxing/client/result/URIParsedResult.java
View file

@ -48,7 +48,7 @@ public final class URIParsedResult extends ParsedReaderResult {
* Transforms a string that possibly represents a URI into something more proper, by adding or canonicalizing
* the protocol.
*/
static String massagePossibleURI(String uri) {
private static String massagePossibleURI(String uri) {
// Take off leading "URL:" if present
if (uri.startsWith("URL:")) {
uri = uri.substring(4);

2
core/src/com/google/zxing/common/BitArray.java
View file

@ -24,7 +24,7 @@ package com.google.zxing.common;
public final class BitArray {
private int[] bits;
private int size;
private final int size;
public BitArray(int size) {
this.size = size;

2
core/src/com/google/zxing/common/reedsolomon/GF256.java
View file

@ -90,7 +90,7 @@ public final class GF256 {
*
* @return sum/difference of a and b
*/
int addOrSubtract(int a, int b) {
static int addOrSubtract(int a, int b) {
return a ^ b;
}

10
core/src/com/google/zxing/common/reedsolomon/GF256Poly.java
View file

@ -99,17 +99,18 @@ final class GF256Poly {
// Just the sum of the coefficients
int result = 0;
for (int i = 0; i < size; i++) {
result = field.addOrSubtract(result, coefficients[i]);
result = GF256.addOrSubtract(result, coefficients[i]);
}
return result;
}
int result = coefficients[0];
for (int i = 1; i < size; i++) {
result = field.addOrSubtract(field.multiply(a, result), coefficients[i]);
result = GF256.addOrSubtract(field.multiply(a, result), coefficients[i]);
}
return result;
}
/*
int evaluateFormatDerivativeAt(int a) {
int degree = getDegree();
if (degree == 0) {
@ -126,6 +127,7 @@ final class GF256Poly {
}
return sum;
}
*/
GF256Poly addOrSubtract(GF256Poly other) {
if (!field.equals(other.field)) {
@ -151,7 +153,7 @@ final class GF256Poly {
System.arraycopy(largerCoefficients, 0, sumDiff, 0, lengthDiff);
for (int i = lengthDiff; i < largerCoefficients.length; i++) {
sumDiff[i] = field.addOrSubtract(smallerCoefficients[i - lengthDiff], largerCoefficients[i]);
sumDiff[i] = GF256.addOrSubtract(smallerCoefficients[i - lengthDiff], largerCoefficients[i]);
}
return new GF256Poly(field, sumDiff);
@ -172,7 +174,7 @@ final class GF256Poly {
for (int i = 0; i < aLength; i++) {
int aCoeff = aCoefficients[i];
for (int j = 0; j < bLength; j++) {
product[i + j] = field.addOrSubtract(product[i + j],
product[i + j] = GF256.addOrSubtract(product[i + j],
field.multiply(aCoeff, bCoefficients[j]));
}
}

4
core/src/com/google/zxing/common/reedsolomon/ReedSolomonDecoder.java
View file

@ -70,7 +70,7 @@ public final class ReedSolomonDecoder {
int[] errorMagnitudes = findErrorMagnitudes(sigmaOmega[1], errorLocations);
for (int i = 0; i < errorLocations.length; i++) {
int position = received.length - 1 - field.log(errorLocations[i]);
received[position] = field.addOrSubtract(received[position], errorMagnitudes[i]);
received[position] = GF256.addOrSubtract(received[position], errorMagnitudes[i]);
}
}
}
@ -161,7 +161,7 @@ public final class ReedSolomonDecoder {
for (int j = 0; j < s; j++) {
if (i != j) {
denominator = field.multiply(denominator,
field.addOrSubtract(1, field.multiply(errorLocations[j], xiInverse)));
GF256.addOrSubtract(1, field.multiply(errorLocations[j], xiInverse)));
}
}
result[i] = field.multiply(errorEvaluator.evaluateAt(xiInverse),

3
core/src/com/google/zxing/common/reedsolomon/ReedSolomonException.java
View file

@ -24,9 +24,6 @@ package com.google.zxing.common.reedsolomon;
*/
public final class ReedSolomonException extends Exception {
public ReedSolomonException() {
}
public ReedSolomonException(String message) {
super(message);
}

13
core/src/com/google/zxing/oned/AbstractOneDReader.java
View file

@ -98,7 +98,7 @@ public abstract class AbstractOneDReader implements OneDReader {
throw new ReaderException("No barcode found");
}
protected static void recordPattern(BitArray row, int start, int[] counters) throws ReaderException {
static void recordPattern(BitArray row, int start, int[] counters) throws ReaderException {
int numCounters = counters.length;
for (int i = 0; i < numCounters; i++) {
counters[i] = 0;
@ -141,7 +141,7 @@ public abstract class AbstractOneDReader implements OneDReader {
* @param pattern expected pattern
* @return average variance between counters and pattern
*/
protected static float patternMatchVariance(int[] counters, int[] pattern) {
static float patternMatchVariance(int[] counters, int[] pattern) {
int total = 0;
int numCounters = counters.length;
int patternLength = 0;
@ -161,13 +161,4 @@ public abstract class AbstractOneDReader implements OneDReader {
return totalVariance / (float) patternLength;
}
/**
* Fast round method.
*
* @return argument rounded to nearest int
*/
protected static int round(float f) {
return (int) (f + 0.5f);
}
}

16
core/src/com/google/zxing/oned/AbstractUPCEANReader.java
View file

@ -40,17 +40,17 @@ public abstract class AbstractUPCEANReader extends AbstractOneDReader implements
/**
* Start/end guard pattern.
*/
protected static final int[] START_END_PATTERN = {1, 1, 1,};
private static final int[] START_END_PATTERN = {1, 1, 1,};
/**
* Pattern marking the middle of a UPC/EAN pattern, separating the two halves.
*/
protected static final int[] MIDDLE_PATTERN = {1, 1, 1, 1, 1};
static final int[] MIDDLE_PATTERN = {1, 1, 1, 1, 1};
/**
* "Odd", or "L" patterns used to encode UPC/EAN digits.
*/
protected static final int[][] L_PATTERNS = {
static final int[][] L_PATTERNS = {
{3, 2, 1, 1}, // 0
{2, 2, 2, 1}, // 1
{2, 1, 2, 2}, // 2
@ -66,7 +66,7 @@ public abstract class AbstractUPCEANReader extends AbstractOneDReader implements
/**
* As above but also including the "even", or "G" patterns used to encode UPC/EAN digits.
*/
protected static final int[][] L_AND_G_PATTERNS;
static final int[][] L_AND_G_PATTERNS;
static {
L_AND_G_PATTERNS = new int[20][];
@ -139,7 +139,7 @@ public abstract class AbstractUPCEANReader extends AbstractOneDReader implements
* @return true iff string of digits passes the UPC/EAN checksum algorithm
* @throws ReaderException if the string does not contain only digits
*/
protected boolean checkChecksum(String s) throws ReaderException {
boolean checkChecksum(String s) throws ReaderException {
int sum = 0;
int length = s.length();
for (int i = length - 2; i >= 0; i -= 2) {
@ -172,7 +172,7 @@ public abstract class AbstractUPCEANReader extends AbstractOneDReader implements
protected abstract int decodeMiddle(BitArray row, int[] startRange, StringBuffer resultString)
throws ReaderException;
protected int[] decodeEnd(BitArray row, int endStart) throws ReaderException {
int[] decodeEnd(BitArray row, int endStart) throws ReaderException {
return findGuardPattern(row, endStart, false, START_END_PATTERN);
}
@ -186,7 +186,7 @@ public abstract class AbstractUPCEANReader extends AbstractOneDReader implements
* @return start/end horizontal offset of guard pattern, as an array of two ints
* @throws ReaderException if pattern is not found
*/
protected static int[] findGuardPattern(BitArray row, int rowOffset, boolean whiteFirst, int[] pattern)
static int[] findGuardPattern(BitArray row, int rowOffset, boolean whiteFirst, int[] pattern)
throws ReaderException {
int patternLength = pattern.length;
int[] counters = new int[patternLength];
@ -240,7 +240,7 @@ public abstract class AbstractUPCEANReader extends AbstractOneDReader implements
* @return horizontal offset of first pixel beyond the decoded digit
* @throws ReaderException if digit cannot be decoded
*/
protected static int decodeDigit(BitArray row,
static int decodeDigit(BitArray row,
int[] counters,
int rowOffset,
int[][] patterns) throws ReaderException {

2
core/src/com/google/zxing/oned/UPCEANReader.java
View file

@ -29,7 +29,7 @@ import com.google.zxing.common.BitArray;
public interface UPCEANReader extends OneDReader {
/**
* <p>Like {@link #decodeRow(int, com.google.zxing.common.BitArray)}, but
* <p>Like {@link #decodeRow(int, BitArray, java.util.Hashtable)}, but
* allows caller to inform method about where the UPC/EAN start pattern is
* found. This allows this to be computed once and reused across many implementations.</p>
*/

2
core/src/com/google/zxing/qrcode/decoder/Mode.java
View file

@ -34,7 +34,7 @@ final class Mode {
static final Mode BYTE = new Mode(new int[]{8, 16, 16});
static final Mode KANJI = new Mode(new int[]{8, 10, 12});
private int[] characterCountBitsForVersions;
private final int[] characterCountBitsForVersions;
private Mode(int[] characterCountBitsForVersions) {
this.characterCountBitsForVersions = characterCountBitsForVersions;

8
core/src/com/google/zxing/qrcode/decoder/Version.java
View file

@ -181,8 +181,8 @@ public final class Version {
* will be the same across all blocks within one version.</p>
*/
static final class ECBlocks {
private int ecCodewords;
private ECB[] ecBlocks;
private final int ecCodewords;
private final ECB[] ecBlocks;
private ECBlocks(int ecCodewords, ECB ecBlocks) {
this.ecCodewords = ecCodewords;
@ -209,8 +209,8 @@ public final class Version {
* parameters is used consecutively in the QR code version's format.</p>
*/
static final class ECB {
private int count;
private int dataCodewords;
private final int count;
private final int dataCodewords;
private ECB(int count, int dataCodewords) {
this.count = count;

4
core/src/com/google/zxing/qrcode/detector/AlignmentPattern.java
View file

@ -44,10 +44,6 @@ public final class AlignmentPattern implements ResultPoint {
return posY;
}
float getEstimatedModuleSize() {
return estimatedModuleSize;
}
/**
* <p>Determines if this alignment pattern "about equals" an alignment pattern at the stated
* position and size -- meaning, it is at nearly the same center with nearly the same size.</p>

2
core/src/com/google/zxing/qrcode/detector/AlignmentPatternFinder.java
View file

@ -94,7 +94,6 @@ final class AlignmentPatternFinder {
stateCount[0] = 0;
stateCount[1] = 0;
stateCount[2] = 0;
int currentState = 0;
int j = startX;
// Burn off leading white pixels before anything else; if we start in the middle of
// a white run, it doesn't make sense to count its length, since we don't know if the
@ -102,6 +101,7 @@ final class AlignmentPatternFinder {
while (j < maxJ && !luminanceRow.get(j - startX)) {
j++;
}
int currentState = 0;
while (j < maxJ) {
if (luminanceRow.get(j - startX)) {
// Black pixel

6
core/src/com/google/zxing/qrcode/detector/FinderPatternFinder.java
View file

@ -146,12 +146,8 @@ final class FinderPatternFinder {
FinderPattern[] patternInfo = selectBestPatterns();
patternInfo = orderBestPatterns(patternInfo);
float totalModuleSize = 0.0f;
for (int i = 0; i < patternInfo.length; i++) {
totalModuleSize += patternInfo[i].getEstimatedModuleSize();
}
return new FinderPatternInfo(totalModuleSize / (float) patternInfo.length, patternInfo);
return new FinderPatternInfo(patternInfo);
}
/**

9
core/src/com/google/zxing/qrcode/detector/FinderPatternInfo.java
View file

@ -24,23 +24,16 @@ package com.google.zxing.qrcode.detector;
*/
final class FinderPatternInfo {
private final float rawEstimatedModuleSize;
private final FinderPattern bottomLeft;
private final FinderPattern topLeft;
private final FinderPattern topRight;
FinderPatternInfo(float rawEstimatedModuleSize,
FinderPattern[] patternCenters) {
this.rawEstimatedModuleSize = rawEstimatedModuleSize;
FinderPatternInfo(FinderPattern[] patternCenters) {
this.bottomLeft = patternCenters[0];
this.topLeft = patternCenters[1];
this.topRight = patternCenters[2];
}
float getRawEstimatedModuleSize() {
return rawEstimatedModuleSize;
}
FinderPattern getBottomLeft() {
return bottomLeft;
}

5
core/src/com/google/zxing/qrcode/detector/PerspectiveTransform.java
View file

@ -52,8 +52,7 @@ final class PerspectiveTransform {
PerspectiveTransform qToS = quadrilateralToSquare(x0, y0, x1, y1, x2, y2, x3, y3);
PerspectiveTransform sToQ = squareToQuadrilateral(x0p, y0p, x1p, y1p, x2p, y2p, x3p, y3p);
PerspectiveTransform product = sToQ.times(qToS);
return product;
return sToQ.times(qToS);
}
void transformPoints(float[] points) {
@ -100,7 +99,7 @@ final class PerspectiveTransform {
}
}
static PerspectiveTransform quadrilateralToSquare(float x0, float y0,
private static PerspectiveTransform quadrilateralToSquare(float x0, float y0,
float x1, float y1,
float x2, float y2,
float x3, float y3) {

2
javame/src-basic/com/google/zxing/client/j2me/AdvancedMultimediaManager.java
View file

@ -34,7 +34,7 @@ final class AdvancedMultimediaManager {
// These signatures must match those in the other class exactly
static void setFocus(Controllable player) throws MediaException, InterruptedException {
static void setFocus(Controllable player) throws MediaException {
// do nothing
}

6
javame/src/com/google/zxing/client/j2me/AdvancedMultimediaManager.java
View file

@ -43,7 +43,7 @@ final class AdvancedMultimediaManager {
// do nothing
}
static void setFocus(Controllable player) throws MediaException, InterruptedException {
static void setFocus(Controllable player) throws MediaException {
FocusControl focusControl = (FocusControl)
player.getControl("javax.microedition.amms.control.camera.FocusControl");
if (focusControl != null) {
@ -52,7 +52,11 @@ final class AdvancedMultimediaManager {
}
if (focusControl.isAutoFocusSupported()) {
focusControl.setFocus(FocusControl.AUTO);
try {
Thread.sleep(FOCUS_TIME_MS); // let it focus...
} catch (InterruptedException ie) {
// continue
}
try {
focusControl.setFocus(FocusControl.AUTO_LOCK);
} catch (MediaException me) {

8
javame/src/com/google/zxing/client/j2me/SnapshotThread.java
View file

@ -36,7 +36,7 @@ final class SnapshotThread extends Thread {
private final ZXingMIDlet zXingMIDlet;
SnapshotThread(ZXingMIDlet zXingMIDlet) {
private SnapshotThread(ZXingMIDlet zXingMIDlet) {
this.zXingMIDlet = zXingMIDlet;
}
@ -65,8 +65,10 @@ final class SnapshotThread extends Thread {
} catch (ReaderException re) {
// Show a friendlier message on a mere failure to read the barcode
zXingMIDlet.showError("Sorry, no barcode was found.");
} catch (Throwable t) {
zXingMIDlet.showError(t);
} catch (MediaException me) {
zXingMIDlet.showError(me);
} catch (RuntimeException re) {
zXingMIDlet.showError(re);
} finally {
try {
player.start();

6
javame/src/com/google/zxing/client/j2me/ZXingMIDlet.java
View file

@ -52,6 +52,10 @@ public final class ZXingMIDlet extends MIDlet {
private Player player;
private VideoControl videoControl;
Canvas getCanvas() {
return canvas;
}
Player getPlayer() {
return player;
}
@ -152,7 +156,7 @@ public final class ZXingMIDlet extends MIDlet {
}
} else {
// cancel
Display.getDisplay(ZXingMIDlet.this).setCurrent(canvas);
Display.getDisplay(ZXingMIDlet.this).setCurrent(getCanvas());
}
}
};

5
javase/src/com/google/zxing/client/j2se/CommandLineRunner.java
View file

@ -19,6 +19,7 @@ package com.google.zxing.client.j2se;
import com.google.zxing.DecodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.ReaderException;
import com.google.zxing.MonochromeBitmapSource;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
@ -64,9 +65,9 @@ public final class CommandLineRunner {
return false;
}
try {
Hashtable hints = new Hashtable();
Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
BufferedImageMonochromeBitmapSource source = new BufferedImageMonochromeBitmapSource(image);
MonochromeBitmapSource source = new BufferedImageMonochromeBitmapSource(image);
String result = new MultiFormatReader().decode(source, hints).getText();
System.out.println(uri.toString() + ": " + result);
return true;

1
javase/src/com/google/zxing/client/j2se/ImageConverter.java
View file

@ -46,7 +46,6 @@ public final class ImageConverter {
File inputFile = new File(arg);
if (inputFile.exists()) {
if (inputFile.isDirectory()) {
int count = 0;
for (File input : inputFile.listFiles()) {
convertImage(input.toURI());
}