Class Keep

java.lang.Object
org.apache.fop.layoutmgr.Keep
public final class Keep extends Object
Object representing a keep constraint, corresponding to the XSL-FO keep properties.

  • Field Details

    • STRENGTH_AUTO

      private static final int STRENGTH_AUTO
      The integer value for "auto" keep strength.
      See Also:

    • STRENGTH_ALWAYS

      private static final int STRENGTH_ALWAYS
      The integer value for "always" keep strength.
      See Also:

    • KEEP_AUTO

      public static final Keep KEEP_AUTO
      keep auto

    • KEEP_ALWAYS

      public static final Keep KEEP_ALWAYS
      keep always

    • strength

      private int strength

    • context

      private int context

  • Constructor Details

    • Keep

      private Keep(int strength, int context)

  • Method Details

    • getKeepStrength

      private static int getKeepStrength(Property keep)

    • getKeep

      public static Keep getKeep(KeepProperty keepProperty)
      Obtain a Keep instance corresponding to the given KeepProperty
      Parameters:
      keepProperty - the KeepProperty
      Returns:
      a new instance corresponding to the given property

    • update

      private void update(Property keep, int context)

    • isAuto

      public boolean isAuto()
      Returns:
      true if the keep property was specified as "auto"

    • getContext

      public int getContext()
      Returns the context of this keep.
      Returns:
      one of Constants.EN_LINE, Constants.EN_COLUMN or Constants.EN_PAGE

    • getPenalty

      public int getPenalty()
      Returns:
      the penalty value corresponding to the strength of this Keep

    • getKeepContextPriority

      private static int getKeepContextPriority(int context)

    • compare

      public Keep compare(Keep other)
      Compare this Keep instance to another one, and return the stronger one if the context is the same
      Parameters:
      other - the instance to compare to
      Returns:
      the winning Keep instance

    • toString

      public String toString()
      Overrides:
      toString in class Object