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zk/src/main/java/org/zkoss/zk/xel/impl/SimpleEvaluator.java

Summary

Maintainability
A
1 hr
Test Coverage

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

    public VariableResolver getVariableResolver(Object ref) {
        final Execution exec = Executions.getCurrent();
        VariableResolver resolver = exec.getVariableResolver();
        if (resolver == null) {
            final RequestContext rc = RequestContexts.getCurrent();
Severity: Minor
Found in zk/src/main/java/org/zkoss/zk/xel/impl/SimpleEvaluator.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 newXelContext has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    protected XelContext newXelContext(Object ref) {
        final FunctionMapper mapper = getFunctionMapper(ref);
        final VariableResolver resolver = getVariableResolver(ref);
        SimpleXelContext context = new SimpleXelContext(resolver, mapper);
        Page page = null;
Severity: Minor
Found in zk/src/main/java/org/zkoss/zk/xel/impl/SimpleEvaluator.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

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

        } else if (ref instanceof Component) {
            page = ((Component) ref).getPage();
        } else if (ref instanceof Page) {
            page = (Page) ref;
        }
Severity: Minor
Found in zk/src/main/java/org/zkoss/zk/xel/impl/SimpleEvaluator.java and 1 other location - About 30 mins to fix
zkbind/src/main/java/org/zkoss/bind/impl/MiscUtil.java on lines 153..157

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

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