Package com.puppycrawl.tools.checkstyle.checks.regexp

Class RegexpSinglelineJavaCheck

  • All Implemented Interfaces:
    Configurable, Contextualizable
    public class RegexpSinglelineJavaCheck
extends AbstractCheck
    Checks that a specified pattern matches a single-line in Java files.

    This class is variation on RegexpSingleline for detecting single-lines that match a supplied regular expression in Java files. It supports suppressing matches in Java comments.

    • Property format - Specify the format of the regular expression to match. Type is java.util.regex.Pattern. Default value is "$.".
    • Property ignoreCase - Control whether to ignore case when searching. Type is boolean. Default value is false.
    • Property ignoreComments - Control whether to ignore text in comments when searching. Type is boolean. Default value is false.
    • Property maximum - Specify the maximum number of matches required in each file. Type is int. Default value is 0.
    • Property message - Specify the message which is used to notify about violations, if empty then default (hard-coded) message is used. Type is java.lang.String. Default value is null.
    • Property minimum - Specify the minimum number of matches required in each file. Type is int. Default value is 0.

    Parent is com.puppycrawl.tools.checkstyle.TreeWalker

    Violation Message Keys:

    • regexp.exceeded
    • regexp.minimum
    Since:
    6.0

    • Field Detail

      • format

        private String format
        Specify the format of the regular expression to match.

      • message

        private String message
        Specify the message which is used to notify about violations, if empty then default (hard-coded) message is used.

      • minimum

        private int minimum
        Specify the minimum number of matches required in each file.

      • maximum

        private int maximum
        Specify the maximum number of matches required in each file.

      • ignoreCase

        private boolean ignoreCase
        Control whether to ignore case when searching.

      • ignoreComments

        private boolean ignoreComments
        Control whether to ignore text in comments when searching.

    • Method Detail

      • getAcceptableTokens

        public int[] getAcceptableTokens()
        Description copied from class: AbstractCheck
        The configurable token set. Used to protect Checks against malicious users who specify an unacceptable token set in the configuration file. The default implementation returns the check's default tokens.
        Specified by:
        getAcceptableTokens in class AbstractCheck
        Returns:
        the token set this check is designed for.
        See Also:
        TokenTypes

      • beginTree

        public void beginTree​(DetailAST rootAST)
        Description copied from class: AbstractCheck
        Called before the starting to process a tree. Ideal place to initialize information that is to be collected whilst processing a tree.
        Overrides:
        beginTree in class AbstractCheck
        Parameters:
        rootAST - the root of the tree

      • setFormat

        public void setFormat​(String format)
        Setter to specify the format of the regular expression to match.
        Parameters:
        format - the format of the regular expression to match.
        Since:
        5.0

      • setMessage

        public void setMessage​(String message)
        Setter to specify the message which is used to notify about violations, if empty then default (hard-coded) message is used.
        Parameters:
        message - the message to report for a match.
        Since:
        6.0

      • setMinimum

        public void setMinimum​(int minimum)
        Setter to specify the minimum number of matches required in each file.
        Parameters:
        minimum - the minimum number of matches required in each file.
        Since:
        5.0

      • setMaximum

        public void setMaximum​(int maximum)
        Setter to specify the maximum number of matches required in each file.
        Parameters:
        maximum - the maximum number of matches required in each file.
        Since:
        5.0

      • setIgnoreCase

        public void setIgnoreCase​(boolean ignoreCase)
        Setter to control whether to ignore case when searching.
        Parameters:
        ignoreCase - whether to ignore case when searching.
        Since:
        5.0

      • setIgnoreComments

        public void setIgnoreComments​(boolean ignore)
        Setter to control whether to ignore text in comments when searching.
        Parameters:
        ignore - whether to ignore text in comments when searching.
        Since:
        5.0