Package org.springframework.expression

Interface ParserContext

  • All Known Implementing Classes:
    TemplateParserContext
    public interface ParserContext
    Input provided to an expression parser that can influence an expression parsing/compilation routine.
    Since:
    3.0
    Author:
    Keith Donald, Andy Clement

    • Field Summary

      Fields 
      Modifier and TypeFieldDescription
      static ParserContextTEMPLATE_EXPRESSION
      The default ParserContext implementation that enables template expression parsing mode.

    • Field Detail

      • TEMPLATE_EXPRESSION

        static final ParserContext TEMPLATE_EXPRESSION
        The default ParserContext implementation that enables template expression parsing mode. The expression prefix is "#{" and the expression suffix is "}".
        See Also:
        isTemplate()

    • Method Detail

      • isTemplate

        boolean isTemplate()
        Whether or not the expression being parsed is a template. A template expression consists of literal text that can be mixed with evaluatable blocks. Some examples: 
                   Some literal text
     Hello #{name.firstName}!
     #{3 + 4}
        Returns:
        true if the expression is a template, false otherwise

      • getExpressionPrefix

        String getExpressionPrefix()
        For template expressions, returns the prefix that identifies the start of an expression block within a string. For example: "${"
        Returns:
        the prefix that identifies the start of an expression

      • getExpressionSuffix

        String getExpressionSuffix()
        For template expressions, return the prefix that identifies the end of an expression block within a string. For example: "}"
        Returns:
        the suffix that identifies the end of an expression