diff -r 000000000000 -r 9a66ca7c79fa src/share/classes/com/sun/tools/javadoc/TypeVariableImpl.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/com/sun/tools/javadoc/TypeVariableImpl.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,122 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +package com.sun.tools.javadoc; + + +import com.sun.javadoc.*; + +import com.sun.tools.javac.code.Kinds; +import com.sun.tools.javac.code.Symbol; +import com.sun.tools.javac.code.Symbol.ClassSymbol; +import com.sun.tools.javac.code.Symbol.MethodSymbol; +import com.sun.tools.javac.code.Type; +import com.sun.tools.javac.code.Type.TypeVar; +import com.sun.tools.javac.util.List; +import com.sun.tools.javac.util.Name; + +/** + * Implementation of TypeVariable, which + * represents a type variable. + * + * @author Scott Seligman + * @since 1.5 + */ +public class TypeVariableImpl extends AbstractTypeImpl implements TypeVariable { + + TypeVariableImpl(DocEnv env, TypeVar type) { + super(env, type); + } + + /** + * Return the bounds of this type variable. + */ + public com.sun.javadoc.Type[] bounds() { + return TypeMaker.getTypes(env, getBounds((TypeVar)type, env)); + } + + /** + * Return the class, interface, method, or constructor within + * which this type variable is declared. + */ + public ProgramElementDoc owner() { + Symbol osym = type.tsym.owner; + if ((osym.kind & Kinds.TYP) != 0) { + return env.getClassDoc((ClassSymbol)osym); + } + Name.Table names = osym.name.table; + if (osym.name == names.init) { + return env.getConstructorDoc((MethodSymbol)osym); + } else { + return env.getMethodDoc((MethodSymbol)osym); + } + } + + /** + * Return the ClassDoc of the erasure of this type variable. + */ + public ClassDoc asClassDoc() { + return env.getClassDoc((ClassSymbol)env.types.erasure(type).tsym); + } + + public TypeVariable asTypeVariable() { + return this; + } + + public String toString() { + return typeVarToString(env, (TypeVar)type, true); + } + + + /** + * Return the string form of a type variable along with any + * "extends" clause. Class names are qualified if "full" is true. + */ + static String typeVarToString(DocEnv env, TypeVar v, boolean full) { + StringBuffer s = new StringBuffer(v.toString()); + List bounds = getBounds(v, env); + if (bounds.nonEmpty()) { + boolean first = true; + for (Type b : bounds) { + s.append(first ? " extends " : " & "); + s.append(TypeMaker.getTypeString(env, b, full)); + first = false; + } + } + return s.toString(); + } + + /** + * Get the bounds of a type variable as listed in the "extends" clause. + */ + private static List getBounds(TypeVar v, DocEnv env) { + Name boundname = v.getUpperBound().tsym.getQualifiedName(); + if (boundname == boundname.table.java_lang_Object) { + return List.nil(); + } else { + return env.types.getBounds(v); + } + } +}