langtools/src/share/classes/com/sun/tools/apt/mirror/declaration/TypeParameterDeclarationImpl.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/apt/mirror/declaration/TypeParameterDeclarationImpl.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2004-2005 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.apt.mirror.declaration;
+
+
+import java.util.Collection;
+import java.util.ArrayList;
+
+import com.sun.mirror.declaration.*;
+import com.sun.mirror.type.ReferenceType;
+import com.sun.mirror.util.DeclarationVisitor;
+import com.sun.tools.apt.mirror.AptEnv;
+import com.sun.tools.javac.code.*;
+import com.sun.tools.javac.code.Symbol.*;
+
+
+/**
+ * Implementation of TypeParameterDeclaration
+ */
+
+public class TypeParameterDeclarationImpl extends DeclarationImpl
+ implements TypeParameterDeclaration
+{
+ protected TypeSymbol sym;
+
+
+ TypeParameterDeclarationImpl(AptEnv env, TypeSymbol sym) {
+ super(env, sym);
+ this.sym = sym;
+ }
+
+
+ /**
+ * Returns the type parameter's name along with any "extends" clause.
+ * Class names are qualified. No implicit "extends Object" is added.
+ */
+ public String toString() {
+ return toString(env, (Type.TypeVar) sym.type);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public Collection<ReferenceType> getBounds() {
+ ArrayList<ReferenceType> res = new ArrayList<ReferenceType>();
+ for (Type t : env.jctypes.getBounds((Type.TypeVar) sym.type)) {
+ res.add((ReferenceType) env.typeMaker.getType(t));
+ }
+ return res;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public Declaration getOwner() {
+ Symbol owner = sym.owner;
+ return ((owner.kind & Kinds.TYP) != 0)
+ ? env.declMaker.getTypeDeclaration((ClassSymbol) owner)
+ : env.declMaker.getExecutableDeclaration((MethodSymbol) owner);
+ }
+
+
+
+ /**
+ * {@inheritDoc}
+ */
+ public void accept(DeclarationVisitor v) {
+ v.visitTypeParameterDeclaration(this);
+ }
+
+
+ /**
+ * Returns the type parameter's name along with any "extends" clause.
+ * See {@link #toString()} for details.
+ */
+ static String toString(AptEnv env, Type.TypeVar tv) {
+ StringBuilder s = new StringBuilder();
+ s.append(tv);
+ boolean first = true;
+ for (Type bound : getExtendsBounds(env, tv)) {
+ s.append(first ? " extends " : " & ");
+ s.append(env.typeMaker.typeToString(bound));
+ first = false;
+ }
+ return s.toString();
+ }
+
+ /**
+ * Returns the bounds of a type variable, eliding java.lang.Object
+ * if it appears alone.
+ */
+ private static Iterable<Type> getExtendsBounds(AptEnv env,
+ Type.TypeVar tv) {
+ return (tv.getUpperBound().tsym == env.symtab.objectType.tsym)
+ ? com.sun.tools.javac.util.List.<Type>nil()
+ : env.jctypes.getBounds(tv);
+ }
+}