Class ELText

java.lang.Object
org.apache.myfaces.view.facelets.el.ELText
Direct Known Subclasses:
ELText.ELCacheableTextVariable, ELText.ELTextComposite, ELText.ELTextVariable

public class ELText extends Object
Handles parsing EL Strings in accordance with the EL-API Specification. The parser accepts either ${..} or #{..}.
Version:
$Id$
Author:
Jacob Hookom
  • Field Details

    • literal

      protected final String literal
  • Constructor Details

    • ELText

      public ELText(String literal)
  • Method Details

    • isLiteral

      public boolean isLiteral()
      If it's literal text
      Returns:
      true if the String is literal (doesn't contain #{..} or ${..})
    • apply

      public ELText apply(jakarta.el.ExpressionFactory factory, jakarta.el.ELContext ctx)
      Return an instance of this that is applicable given the ELContext and ExpressionFactory state.
      Parameters:
      factory - the ExpressionFactory to use
      ctx - the ELContext to use
      Returns:
      an ELText instance
    • write

      public void write(Writer out, jakarta.el.ELContext ctx) throws jakarta.el.ELException, IOException
      Allow this instance to write to the passed Writer, given the ELContext state
      Parameters:
      out - Writer to write to
      ctx - current ELContext state
      Throws:
      jakarta.el.ELException
      IOException
    • writeText

      public void writeText(ResponseWriter out, jakarta.el.ELContext ctx) throws jakarta.el.ELException, IOException
      Throws:
      jakarta.el.ELException
      IOException
    • toString

      public String toString(jakarta.el.ELContext ctx) throws jakarta.el.ELException
      Evaluates the ELText to a String
      Parameters:
      ctx - current ELContext state
      Returns:
      the evaluated String
      Throws:
      jakarta.el.ELException
    • toString

      public String toString()
      Overrides:
      toString in class Object
    • isLiteral

      public static boolean isLiteral(String in)
      Parses the passed string to determine if it's literal or not
      Parameters:
      in - input String
      Returns:
      true if the String is literal (doesn't contain #{..} or ${..})
    • parse

      public static ELText parse(String in) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException
    • parse

      public static ELText parse(String in, Location location) throws jakarta.el.ELException
      Factory method for creating an unvalidated ELText instance. NOTE: All expressions in the passed String are treated as LocationValueExpression.
      Parameters:
      in - String to parse
      location - The location
      Returns:
      ELText instance that knows if the String was literal or not
      Throws:
      jakarta.el.ELException
    • parseAllowEmptyString

      public static ELText parseAllowEmptyString(String in, Location location) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException
    • parseAsString

      public static String parseAsString(jakarta.el.ExpressionFactory fact, jakarta.el.ELContext ctx, String in) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException
    • parse

      public static ELText parse(jakarta.el.ExpressionFactory fact, jakarta.el.ELContext ctx, String in) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException
    • parse

      public static ELText parse(jakarta.el.ExpressionFactory fact, jakarta.el.ELContext ctx, String in, Location location) throws jakarta.el.ELException
      Factory method for creating a validated ELText instance. When an Expression is hit, it will use the ExpressionFactory to create a ValueExpression instance, resolving any functions at that time.

      Variables and properties will not be evaluated.

      Parameters:
      fact - ExpressionFactory to use
      ctx - ELContext to validate against
      in - String to parse
      location - The location
      Returns:
      ELText that can be re-applied later
      Throws:
      jakarta.el.ELException
    • parseAsArray

      public static ELText[] parseAsArray(String in, Location location) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException
    • parseAsArray

      public static ELText[] parseAsArray(jakarta.el.ExpressionFactory fact, jakarta.el.ELContext ctx, String in, Location location) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException
    • isLiteral

      public static boolean isLiteral(jakarta.el.ExpressionFactory fact, jakarta.el.ELContext ctx, String in) throws jakarta.el.ELException
      Throws:
      jakarta.el.ELException