IT. Expert System.

Java Standard Edition (SE)

Diagnostic


compact3
javax.tools

Interface Diagnostic<S>

  • Type Parameters:
    S - the type of source object used by this diagnostic


    public interface Diagnostic<S>
    Interface for diagnostics from tools. A diagnostic usually reports a problem at a specific position in a source file. However, not all diagnostics are associated with a position or a file.

    A position is a zero-based character offset from the beginning of a file. Negative values (except NOPOS) are not valid positions.

    Line and column numbers begin at 1. Negative values (except NOPOS) and 0 are not valid line or column numbers.

    Since:
    1.6
    • Nested Class Summary

      Nested Classes 
      Modifier and Type Interface and Description
      static class  Diagnostic.Kind
      Kinds of diagnostics, for example, error or warning.
    • Field Summary

      Fields 
      Modifier and Type Field and Description
      static long NOPOS
      Used to signal that no position is available.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method and Description
      String getCode()
      Gets a diagnostic code indicating the type of diagnostic.
      long getColumnNumber()
      Gets the column number of the character offset returned by getPosition().
      long getEndPosition()
      Gets the character offset from the beginning of the file associated with this diagnostic that indicates the end of the problem.
      Diagnostic.Kind getKind()
      Gets the kind of this diagnostic, for example, error or warning.
      long getLineNumber()
      Gets the line number of the character offset returned by getPosition().
      String getMessage(Locale locale)
      Gets a localized message for the given locale.
      long getPosition()
      Gets a character offset from the beginning of the source object associated with this diagnostic that indicates the location of the problem.
      S getSource()
      Gets the source object associated with this diagnostic.
      long getStartPosition()
      Gets the character offset from the beginning of the file associated with this diagnostic that indicates the start of the problem.
    • Field Detail

      • NOPOS

        static final long NOPOS
        Used to signal that no position is available.
        See Also:
        Constant Field Values
    • Method Detail

      • getKind

        Diagnostic.Kind getKind()
        Gets the kind of this diagnostic, for example, error or warning.
        Returns:
        the kind of this diagnostic
      • getSource

        S getSource()
        Gets the source object associated with this diagnostic.
        Returns:
        the source object associated with this diagnostic. null if no source object is associated with the diagnostic.
      • getPosition

        long getPosition()
        Gets a character offset from the beginning of the source object associated with this diagnostic that indicates the location of the problem. In addition, the following must be true:

        getStartPostion() <= getPosition()

        getPosition() <= getEndPosition()

        Returns:
        character offset from beginning of source; NOPOS if getSource() would return null or if no location is suitable
      • getStartPosition

        long getStartPosition()
        Gets the character offset from the beginning of the file associated with this diagnostic that indicates the start of the problem.
        Returns:
        offset from beginning of file; NOPOS if and only if getPosition() returns NOPOS
      • getEndPosition

        long getEndPosition()
        Gets the character offset from the beginning of the file associated with this diagnostic that indicates the end of the problem.
        Returns:
        offset from beginning of file; NOPOS if and only if getPosition() returns NOPOS
      • getLineNumber

        long getLineNumber()
        Gets the line number of the character offset returned by getPosition().
        Returns:
        a line number or NOPOS if and only if getPosition() returns NOPOS
      • getColumnNumber

        long getColumnNumber()
        Gets the column number of the character offset returned by getPosition().
        Returns:
        a column number or NOPOS if and only if getPosition() returns NOPOS
      • getCode

        String getCode()
        Gets a diagnostic code indicating the type of diagnostic. The code is implementation-dependent and might be null.
        Returns:
        a diagnostic code
      • getMessage

        String getMessage(Locale locale)
        Gets a localized message for the given locale. The actual message is implementation-dependent. If the locale is null use the default locale.
        Parameters:
        locale - a locale; might be null
        Returns:
        a localized message


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