programelementdocimpl.java

linux下建立JAVA虚拟机的源码KAFFE

/* gnu.classpath.tools.gjdoc.ProgramElementDocImpl
   Copyright (C) 2001 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */

package gnu.classpath.tools.gjdoc;

import com.sun.javadoc.*;
import java.lang.reflect.Modifier;

public abstract class ProgramElementDocImpl extends DocImpl implements ProgramElementDoc {

   protected ClassDoc containingClass;
   protected PackageDoc containingPackage;

   protected boolean isFinal;
   protected boolean isStatic;
   protected int     accessLevel=ProgramElementDocImpl.ACCESS_PACKAGEPRIVATE;

   public static final int ACCESS_PUBLIC	  = 0;
   public static final int ACCESS_PROTECTED	  = 1;
   public static final int ACCESS_PACKAGEPRIVATE  = 2;
   public static final int ACCESS_PRIVATE	  = 3;

   private static final String[] accessModifiers = { "public ", "protected ", "", "private "};

   public ProgramElementDocImpl(ClassDoc containingClass, 
                                PackageDoc containingPackage,
                                SourcePosition position) {
      super(position);
      this.containingClass=containingClass;
      this.containingPackage=containingPackage;
   }   
   public ProgramElementDocImpl(ClassDoc containingClass, SourcePosition position) {
      super(position);
      this.containingClass=containingClass;
      this.containingPackage=containingClass.containingPackage();
   }   
   public ProgramElementDocImpl(ClassDoc containingClass,
				PackageDoc containingPackage,
				int accessLevel,
				boolean isFinal,
				boolean isStatic,
                                SourcePosition position) {
      super(position);
      this.containingClass=containingClass;
      this.containingPackage=containingPackage;
      this.accessLevel=accessLevel;
      this.isFinal=isFinal;
      this.isStatic=isStatic;
   }

   //Get the containing class of this program element. 
   public ClassDoc containingClass() {
      return containingClass;
   }

   // Get the package that this program element is contained in. 
   public PackageDoc containingPackage() {
      return containingPackage;
   }
 
   // Return true if this program element is final 
   public boolean isFinal() {
      return isFinal;
   }
 
   // Return true if this program element is package private 
   public boolean isPackagePrivate() {
      return accessLevel==ACCESS_PACKAGEPRIVATE;
   }
 
   // Return true if this program element is private 
   public boolean isPrivate() {
      return accessLevel==ACCESS_PRIVATE;
   }
 
   // Return true if this program element is protected 
   public boolean isProtected() {
      return accessLevel==ACCESS_PROTECTED;
   }
 
   // Return true if this program element is public 
   public boolean isPublic() {
      return accessLevel==ACCESS_PUBLIC;
   }
 
   // Return true if this program element is static 
   public boolean isStatic() {
      return isStatic;
   }
 
   // Get modifiers string. 
   public String modifiers() {
      return 
	 (accessModifiers[accessLevel]+
	  (isStatic()?"static ":"")+
	  (isFinal()?"final ":"")).trim();
   }
 
   // Get the modifier specifier integer. 
   public int modifierSpecifier() {
      return (isStatic()?Modifier.STATIC:0)
	 | (isFinal()?Modifier.FINAL:0)
	 | (isPublic()?Modifier.PUBLIC:0)
	 | (isProtected()?Modifier.PROTECTED:0)
	 | (isPrivate()?Modifier.PRIVATE:0)
//	 | (isAbstract()?Modifier.ABSTRACT:0)
	 ;
   }
 
   // Get the fully qualified name. 
   public abstract String qualifiedName();

   protected boolean processModifier(String word) {
      if (word.equals("public")) {
	 accessLevel=ACCESS_PUBLIC;
	 return true;
      }
      else if (word.equals("protected")) {
	 accessLevel=ACCESS_PROTECTED;
	 return true;
      }
      else if (word.equals("private")) {
	 accessLevel=ACCESS_PRIVATE;
	 return true;
      }
      else if (word.equals("static")) {
	 isStatic=true;
	 return true;
      }
      else if (word.equals("final")) {
	 isFinal=true;
	 return true;
      }
      else {
	 return false;
      }
   }

   void setIsStatic(boolean b) {
      this.isStatic=b;
   }

}