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vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java

Summary

Maintainability
D
2 days
Test Coverage

Method Code has a Cognitive Complexity of 66 (exceeds 5 allowed). Consider refactoring.
Open

    public boolean Code(java.io.InputStream inStream, java.io.OutputStream outStream,
            long outSize) throws IOException
    {
        m_RangeDecoder.SetStream(inStream);
        m_OutWindow.SetStream(outStream);
Severity: Minor
Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java - About 1 day 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 Code has 104 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    public boolean Code(java.io.InputStream inStream, java.io.OutputStream outStream,
            long outSize) throws IOException
    {
        m_RangeDecoder.SetStream(inStream);
        m_OutWindow.SetStream(outStream);
Severity: Major
Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java - About 4 hrs to fix

    File Decoder.java has 297 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    package SevenZip.Compression.LZMA;

import SevenZip.Compression.RangeCoder.BitTreeDecoder;
import SevenZip.Compression.LZMA.Base;
import SevenZip.Compression.LZ.OutWindow;
    Severity: Minor
    Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java - About 3 hrs to fix

      Method Init has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
      Open

          void Init() throws IOException
    {
        m_OutWindow.Init(false);
        
        SevenZip.Compression.RangeCoder.Decoder.InitBitModels(m_IsMatchDecoders);
      Severity: Minor
      Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java - About 45 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 DecodeWithMatchByte has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
      Open

                  public byte DecodeWithMatchByte(SevenZip.Compression.RangeCoder.Decoder rangeDecoder, byte matchByte) throws IOException
            {
                int symbol = 1;
                do
                {
      Severity: Minor
      Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java - About 25 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

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

              public void Create(int numPosBits, int numPrevBits)
        {
            if (m_Coders != null && m_NumPrevBits == numPrevBits && m_NumPosBits == numPosBits)
                return;
            m_NumPosBits = numPosBits;
      Severity: Major
      Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java and 1 other location - About 1 hr to fix
      vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Encoder.java on lines 143..154

      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 125.

      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

              public void Init()
        {
            SevenZip.Compression.RangeCoder.Decoder.InitBitModels(m_Choice);
            for (int posState = 0; posState < m_NumPosStates; posState++)
            {
      Severity: Minor
      Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java and 1 other location - About 50 mins to fix
      vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Encoder.java on lines 184..194

      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 61.

      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

              public void Init()
        {
            int numStates = 1 << (m_NumPrevBits + m_NumPosBits);
            for (int i = 0; i < numStates; i++)
                m_Coders[i].Init();
      Severity: Minor
      Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java and 1 other location - About 40 mins to fix
      vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Encoder.java on lines 156..161

      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 49.

      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

              Decoder2 GetDecoder(int pos, byte prevByte)
        {
            return m_Coders[((pos & m_PosMask) << m_NumPrevBits) + ((prevByte & 0xFF) >>> (8 - m_NumPrevBits))];
        }
      Severity: Minor
      Found in vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Decoder.java and 1 other location - About 35 mins to fix
      vector-uefi/insyde/7zip/Java/SevenZip/Compression/LZMA/Encoder.java on lines 163..164

      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 47.

      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

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