Module jdk.jshell
Package jdk.jshell

Class Diag

java.lang.Object
jdk.jshell.Diag

public abstract class Diag
extends Object
Diagnostic information for a Snippet.
Since:
9
See Also:
JShell.diagnostics(jdk.jshell.Snippet)
  • Field Summary

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

    Modifier and Type Method Description
    abstract String getCode()
    Returns a diagnostic code indicating the type of diagnostic.
    abstract long getEndPosition()
    Returns the character offset from the beginning of the file associated with this diagnostic that indicates the end of the problem.
    abstract String getMessage​(Locale locale)
    Returns a localized message for the given locale.
    abstract long getPosition()
    Returns a character offset from the beginning of the source object associated with this diagnostic that indicates the location of the problem.
    abstract long getStartPosition()
    Returns the character offset from the beginning of the file associated with this diagnostic that indicates the start of the problem.
    abstract boolean isError()
    Indicates whether this diagnostic is an error (as opposed to a warning or note).

    Methods declared in class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Field Details

  • Method Details

    • isError

      public abstract boolean isError()
      Indicates whether this diagnostic is an error (as opposed to a warning or note).
      Returns:
      true if this diagnostic is an error; otherwise false
    • getPosition

      public abstract long getPosition()
      Returns 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 the position is not available.
    • getStartPosition

      public abstract long getStartPosition()
      Returns 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

      public abstract long getEndPosition()
      Returns 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
    • getCode

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

      public abstract String getMessage​(Locale locale)
      Returns 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