Package groovy.beans

Class BindableASTTransformation

  • All Implemented Interfaces:
    ASTTransformation, org.objectweb.asm.Opcodes
    Direct Known Subclasses:
    VetoableASTTransformation

    public class BindableASTTransformation
    extends Object
    implements ASTTransformation, org.objectweb.asm.Opcodes
    Handles generation of code for the @Bindable annotation when @Vetoable is not present.

    Generally, it adds (if needed) a PropertyChangeSupport field and the needed add/removePropertyChangeListener methods to support the listeners.

    It also generates the setter and wires the setter through the PropertyChangeSupport.

    If a Vetoable annotation is detected it does nothing and lets the VetoableASTTransformation handle all the changes.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static ClassNode boundClassNode  
      • Fields inherited from interface org.objectweb.asm.Opcodes

        AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MANDATED, ACC_MODULE, ACC_NATIVE, ACC_OPEN, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STATIC_PHASE, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_TRANSITIVE, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASM4, ASM5, ASM6, ASM7, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SOURCE_DEPRECATED, SOURCE_MASK, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V_PREVIEW, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8, V10, V11, V12, V13, V9
    • Field Detail

      • boundClassNode

        protected static final ClassNode boundClassNode
    • Constructor Detail

      • BindableASTTransformation

        public BindableASTTransformation()
    • Method Detail

      • hasBindableAnnotation

        public static boolean hasBindableAnnotation​(AnnotatedNode node)
        Convenience method to see if an annotated node is @Bindable.
        Parameters:
        node - the node to check
        Returns:
        true if the node is bindable
      • visit

        public void visit​(ASTNode[] nodes,
                          SourceUnit source)
        Handles the bulk of the processing, mostly delegating to other methods.
        Specified by:
        visit in interface ASTTransformation
        Parameters:
        nodes - the ast nodes
        source - the source unit for the nodes
      • createBindableStatement

        protected Statement createBindableStatement​(PropertyNode propertyNode,
                                                    Expression fieldExpression)
        Creates a statement body similar to: this.firePropertyChange("field", field, field = value)
        Parameters:
        propertyNode - the field node for the property
        fieldExpression - a field expression for setting the property value
        Returns:
        the created statement
      • createSetterMethod

        protected void createSetterMethod​(ClassNode declaringClass,
                                          PropertyNode propertyNode,
                                          String setterName,
                                          Statement setterBlock)
        Creates a setter method with the given body.
        Parameters:
        declaringClass - the class to which we will add the setter
        propertyNode - the field to back the setter
        setterName - the name of the setter
        setterBlock - the statement representing the setter block
      • needsPropertyChangeSupport

        protected boolean needsPropertyChangeSupport​(ClassNode declaringClass,
                                                     SourceUnit sourceUnit)
        Snoops through the declaring class and all parents looking for methods void addPropertyChangeListener(PropertyChangeListener), void removePropertyChangeListener(PropertyChangeListener), and void firePropertyChange(String, Object, Object). If any are defined all must be defined or a compilation error results.
        Parameters:
        declaringClass - the class to search
        sourceUnit - the source unit, for error reporting. @NotNull.
        Returns:
        true if property change support should be added
      • addPropertyChangeSupport

        protected void addPropertyChangeSupport​(ClassNode declaringClass)
        Adds the necessary field and methods to support property change support.

        Adds a new field:

         protected final java.beans.PropertyChangeSupport this$PropertyChangeSupport = new java.beans.PropertyChangeSupport(this)"
         

        Also adds support methods:

         public void addPropertyChangeListener(java.beans.PropertyChangeListener)
         public void addPropertyChangeListener(String, java.beans.PropertyChangeListener)
         public void removePropertyChangeListener(java.beans.PropertyChangeListener)
         public void removePropertyChangeListener(String, java.beans.PropertyChangeListener)
         public java.beans.PropertyChangeListener[] getPropertyChangeListeners()
         
        Parameters:
        declaringClass - the class to which we add the support field and methods