simpletypevisitor.java

来自「JAVA的一些源码 JAVA2 STANDARD EDITION DEVELO」· Java 代码 · 共 153 行

/*
 * @(#)SimpleTypeVisitor.java	1.4 04/06/07
 *
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL.  Use is subject to license terms.
 */

package com.sun.mirror.util;


import com.sun.mirror.type.*;


/**
 * A simple visitor for types.
 *
 * <p> The implementations of the methods of this class do nothing but
 * delegate up the type hierarchy.  A subclass should override the
 * methods that correspond to the kinds of types on which it will
 * operate.
 *
 * @author Joseph D. Darcy
 * @author Scott Seligman
 * @version 1.4 04/06/07
 * @since 1.5
 */

public class SimpleTypeVisitor implements TypeVisitor {

    /**
     * Creates a new <tt>SimpleTypeVisitor</tt>.
     */
    public SimpleTypeVisitor() {}

    /**
     * Visits a type mirror.
     * The implementation does nothing.
     * @param t the type to visit
     */
    public void visitTypeMirror(TypeMirror t) {
    }

    /**
     * Visits a primitive type.
     * The implementation simply invokes
     * {@link #visitTypeMirror visitTypeMirror}.
     * @param t the type to visit
     */
    public void visitPrimitiveType(PrimitiveType t) {
	visitTypeMirror(t);
    }

    /**
     * Visits a void type.
     * The implementation simply invokes
     * {@link #visitTypeMirror visitTypeMirror}.
     * @param t the type to visit
     */
    public void visitVoidType(VoidType t) {
	visitTypeMirror(t);
    }

    /**
     * Visits a reference type.
     * The implementation simply invokes
     * {@link #visitTypeMirror visitTypeMirror}.
     * @param t the type to visit
     */
    public void visitReferenceType(ReferenceType t) {
	visitTypeMirror(t);
    }

    /**
     * Visits a declared type.
     * The implementation simply invokes
     * {@link #visitReferenceType visitReferenceType}.
     * @param t the type to visit
     */
    public void visitDeclaredType(DeclaredType t) {
	visitReferenceType(t);
    }

    /**
     * Visits a class type.
     * The implementation simply invokes
     * {@link #visitDeclaredType visitDeclaredType}.
     * @param t the type to visit
     */
    public void visitClassType(ClassType t) {
	visitDeclaredType(t);
    }

    /**
     * Visits an enum type.
     * The implementation simply invokes
     * {@link #visitClassType visitClassType}.
     * @param t the type to visit
     */
    public void visitEnumType(EnumType t) {
	visitClassType(t);
    }

    /**
     * Visits an interface type.
     * The implementation simply invokes
     * {@link #visitDeclaredType visitDeclaredType}.
     * @param t the type to visit
     */
    public void visitInterfaceType(InterfaceType t) {
	visitDeclaredType(t);
    }

    /**
     * Visits an annotation type.
     * The implementation simply invokes
     * {@link #visitInterfaceType visitInterfaceType}.
     * @param t the type to visit
     */
    public void visitAnnotationType(AnnotationType t) {
	visitInterfaceType(t);
    }

    /**
     * Visits an array type.
     * The implementation simply invokes
     * {@link #visitReferenceType visitReferenceType}.
     * @param t the type to visit
     */
    public void visitArrayType(ArrayType t) {
	visitReferenceType(t);
    }

    /**
     * Visits a type variable.
     * The implementation simply invokes
     * {@link #visitReferenceType visitReferenceType}.
     * @param t the type to visit
     */
    public void visitTypeVariable(TypeVariable t) {
	visitReferenceType(t);
    }

    /**
     * Visits a wildcard.
     * The implementation simply invokes
     * {@link #visitTypeMirror visitTypeMirror}.
     * @param t the type to visit
     */
    public void visitWildcardType(WildcardType t) {
	visitTypeMirror(t);
    }
}