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Similar blocks of code found in 5 locations. Consider refactoring.
Open

  public String genericRubyMineKey(int minorVersion, int majorVersion, String userName) {
    BigInteger pubKey = new BigInteger(
        "BB62FBB57F105CD61B47AE2290FCB3CE1179942DE171BEDDF6BAA1A521B9368B735C7C931902EBA8DE6D160711A6ECC40F4A5E766E9FCDEE8A38715DB572AD3D",
        16);
    BigInteger privKey = new BigInteger(
Severity: Major
Found in question/src/main/java/com/github/kuangcp/key/CreateKey.java and 4 other locations - About 40 mins to fix
question/src/main/java/com/github/kuangcp/key/CreateKey.java on lines 95..105
question/src/main/java/com/github/kuangcp/key/CreateKey.java on lines 107..117
question/src/main/java/com/github/kuangcp/key/CreateKey.java on lines 119..129
question/src/main/java/com/github/kuangcp/key/CreateKey.java on lines 143..153

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

                    } else if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " was not detected");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
Severity: Minor
Found in network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java and 1 other location - About 40 mins to fix
network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 343..347

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

                    } else if (FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
                        System.out.println("FEAT " + remote + " is not present");
                    } else {
                        System.out.println("Command failed: " + ftp.getReplyString());
                    }
Severity: Minor
Found in network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java and 1 other location - About 40 mins to fix
network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 331..335

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

        return "ListenEventGroup{" +
                "up=" + up +
                ", down=" + down +
                ", left=" + left +
                ", right=" + right +
Severity: Minor
Found in gui/src/main/java/com/github/kuangcp/tank/util/HoldingKeyEventMgr.java and 1 other location - About 40 mins to fix
question/src/main/java/com/github/kuangcp/simplex/method/Table.java on lines 38..44

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

            for (y = tempY; contains(x + 1, y - 1, color) == 1; ) {
                x++;
                y--;
                count++;
            }
Severity: Minor
Found in gui/src/main/java/com/github/kuangcp/gomoku/AI.java and 1 other location - About 40 mins to fix
gui/src/main/java/com/github/kuangcp/gomoku/AI.java on lines 169..173

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

    return "Table{" +
        "cb=" + cb +
        ", xb=" + xb +
        ", bl=" + bl +
        ", rows=" + sub +
Severity: Minor
Found in question/src/main/java/com/github/kuangcp/simplex/method/Table.java and 1 other location - About 40 mins to fix
gui/src/main/java/com/github/kuangcp/tank/util/HoldingKeyEventMgr.java on lines 107..113

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

            for (y = tempY; contains(x + 1, y + 1, color) == 1; ) {
                x++;
                y++;
                count++;
            }
Severity: Minor
Found in gui/src/main/java/com/github/kuangcp/gomoku/AI.java and 1 other location - About 40 mins to fix
gui/src/main/java/com/github/kuangcp/gomoku/AI.java on lines 191..195

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 48.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Method createB has 5 arguments (exceeds 4 allowed). Consider refactoring.
Open

    public void createB(List<Brick> bricks, int startX, int startY, int endX, int endY) {
Severity: Minor
Found in gui/src/main/java/com/github/kuangcp/tank/panel/TankGroundPanel.java - About 35 mins to fix

    Method createI has 5 arguments (exceeds 4 allowed). Consider refactoring.
    Open

        public void createI(List<Iron> irons, int startX, int startY, int endX, int endY) {
    Severity: Minor
    Found in gui/src/main/java/com/github/kuangcp/tank/panel/TankGroundPanel.java - About 35 mins to fix

      Method clientChannel has 5 arguments (exceeds 4 allowed). Consider refactoring.
      Open

          private static void clientChannel(WebSocketClientHandler handler, EventLoopGroup group, SslContext sslCtx,
                                      String host, int port) throws InterruptedException {
      Severity: Minor
      Found in netty/src/main/java/netty/websocket/client/Client.java - About 35 mins to fix

        Method decryptFile has 5 arguments (exceeds 4 allowed). Consider refactoring.
        Open

            public static void decryptFile(String algorithm, SecretKey key, IvParameterSpec iv,
                                   File encryptedFile, File decryptedFile) throws IOException, NoSuchPaddingException,
        Severity: Minor
        Found in class/src/main/java/security/aes/AESUtil.java - About 35 mins to fix

          Method encryptFile has 5 arguments (exceeds 4 allowed). Consider refactoring.
          Open

              public static void encryptFile(String algorithm, SecretKey key, IvParameterSpec iv,
                                   File inputFile, File outputFile) throws IOException, NoSuchPaddingException,
          Severity: Minor
          Found in class/src/main/java/security/aes/AESUtil.java - About 35 mins to fix

            Identical blocks of code found in 2 locations. Consider refactoring.
            Open

                  mt[i] = (mt[i] ^ ((mt[i - 1] ^ (mt[i - 1] >>> 30)) * MAGIC_FACTOR2)) + buf[j] + j;
            Severity: Minor
            Found in algorithms/src/main/java/com/github/kuangcp/random/MT19937Random.java and 1 other location - About 35 mins to fix
            algorithms/src/main/java/com/github/kuangcp/random/MT19937Random.java on lines 128..128

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 46.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Identical blocks of code found in 2 locations. Consider refactoring.
            Open

                    for (int i = 0; i < x; i++) {
            Supplier<Integer> random = () -> new SecureRandom().nextInt(10000000) + 100;
            Math.tanh(Math.log(Math.sqrt(random.get()) + random.get()));
        }
            Severity: Minor
            Found in concurrency/src/main/java/thread/InterruptBizDemo.java and 1 other location - About 35 mins to fix
            netty/src/main/java/reactor/http/FirstHttpServer.java on lines 52..55

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 46.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Identical blocks of code found in 2 locations. Consider refactoring.
            Open

                                        for (int i = 0; i < 1000; i++) {
                                Supplier<Integer> random = () -> new SecureRandom().nextInt(10000000) + 100;
                                Math.tanh(Math.log(Math.sqrt(random.get()) + random.get()));
                            }
            Severity: Minor
            Found in netty/src/main/java/reactor/http/FirstHttpServer.java and 1 other location - About 35 mins to fix
            concurrency/src/main/java/thread/InterruptBizDemo.java on lines 75..78

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 46.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Identical blocks of code found in 2 locations. Consider refactoring.
            Open

                  mt[i] = (mt[i] ^ ((mt[i - 1] ^ (mt[i - 1] >>> 30)) * MAGIC_FACTOR3)) - i;
            Severity: Minor
            Found in algorithms/src/main/java/com/github/kuangcp/random/MT19937Random.java and 1 other location - About 35 mins to fix
            algorithms/src/main/java/com/github/kuangcp/random/MT19937Random.java on lines 113..113

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 46.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Method main has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
            Open

                public static void main(String[] args) throws InterruptedException {
        log.info("start");
        Thread sleep = new Thread(() -> {
            while (true) {
                try {
            Severity: Minor
            Found in concurrency/src/main/java/thread/InterruptHandleDemo.java - About 35 mins to fix

            Cognitive Complexity

            Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

            A method's cognitive complexity is based on a few simple rules:

            • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
            • Code is considered more complex for each "break in the linear flow of the code"
            • Code is considered more complex when "flow breaking structures are nested"

            Further reading

            Method mouseMoved has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
            Open

                public void mouseMoved(MouseEvent e) {
        int x = getGridXY(e.getX());
        int y = getGridXY(e.getY());
        x = x >= 0 ? x : 0;
        x = x <= 14 ? x : 14;
            Severity: Minor
            Found in gui/src/main/java/com/github/kuangcp/gomoku/ChessBoard.java - About 35 mins to fix

            Cognitive Complexity

            Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

            A method's cognitive complexity is based on a few simple rules:

            • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
            • Code is considered more complex for each "break in the linear flow of the code"
            • Code is considered more complex when "flow breaking structures are nested"

            Further reading

            Method add has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
            Open

              public void add(String str) {
    for (Function<String, Integer> function : functions) {
      Integer hash = function.apply(str);
      int index = hash / LEN_OF_BYTE;
      if (log.isDebugEnabled()) {
            Severity: Minor
            Found in algorithms/src/main/java/com/github/kuangcp/bloom/filter/BloomFilter.java - About 35 mins to fix

            Cognitive Complexity

            Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

            A method's cognitive complexity is based on a few simple rules:

            • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
            • Code is considered more complex for each "break in the linear flow of the code"
            • Code is considered more complex when "flow breaking structures are nested"

            Further reading

            Method paint has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
            Open

                @Override
    public void paint(Graphics graphics) {
        super.paint(graphics);

        //draw border
            Severity: Minor
            Found in gui/src/main/java/com/github/kuangcp/virusbroadcast/gui/DisplayPanel.java - About 35 mins to fix

            Cognitive Complexity

            Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

            A method's cognitive complexity is based on a few simple rules:

            • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
            • Code is considered more complex for each "break in the linear flow of the code"
            • Code is considered more complex when "flow breaking structures are nested"

            Further reading

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