Kuangcp/JavaBase

View on GitHub
network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java

Summary

Maintainability
F
5 days
Test Coverage

Method run has a Cognitive Complexity of 117 (exceeds 5 allowed). Consider refactoring.
Open

    private void run(final String[] args) throws UnknownHostException {
        int base = parseArgs(args);

        String server = args[base++];
        int port = 0;
Severity: Minor
Found in network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java - About 2 days 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 run has 227 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    private void run(final String[] args) throws UnknownHostException {
        int base = parseArgs(args);

        String server = args[base++];
        int port = 0;

    File FTPClientExample.java has 450 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You under the Apache License, Version 2.0

      Method parseArgs has 124 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          private int parseArgs(String[] args) throws UnknownHostException {
              int base;
              label:
              for (base = 0; base < args.length; base++) {
                  switch (args[base]) {

        Method parseArgs has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
        Open

            private int parseArgs(String[] args) throws UnknownHostException {
                int base;
                label:
                for (base = 0; base < args.length; base++) {
                    switch (args[base]) {

        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

        Consider simplifying this complex logical expression.
        Open

                    else if (listFiles || mlsd || mdtm || mlst || listNames || size) {
                        if (mlsd) {
                            for (final FTPFile f : ftp.mlistDir(remote)) {
                                System.out.println(f.getRawListing());
                                System.out.println(f.toFormattedString(displayTimeZoneId));
        Severity: Major
        Found in network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java - About 40 mins to fix

          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());
                              }
          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());
                              }
          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

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

                              if (parts.length == 2) {
                                  proxyHost = parts[0];
                                  proxyPort = Integer.parseInt(parts[1]);
                              }
          network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 128..131

          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 40.

          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

                  if (parts.length == 2) {
                      server = parts[0];
                      port = Integer.parseInt(parts[1]);
                  }
          network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 490..493

          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 40.

          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

                      if (storeFile) {
                          try (final InputStream input = new FileInputStream(local)) {
                              ftp.storeFile(remote, input);
                          }
          
          
          network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 362..370

          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 40.

          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 {
                          try (final OutputStream output = new FileOutputStream(local)) {
                              ftp.retrieveFile(remote, output);
                          }
          
          
          network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 270..278

          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 40.

          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 (final FTPFile f : ftp.mlistDir(remote)) {
                                  System.out.println(f.getRawListing());
                                  System.out.println(f.toFormattedString(displayTimeZoneId));
                              }
          network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 321..324

          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 40.

          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 (final FTPFile f : ftp.listFiles(remote)) {
                                  System.out.println(f.getRawListing());
                                  System.out.println(f.toFormattedString(displayTimeZoneId));
                              }
          network/src/main/java/com/github/kuangcp/app/ftp/FTPClientExample.java on lines 282..285

          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 40.

          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

          There are no issues that match your filters.

          Category
          Status