1 /*
   2  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.tools.internal.ws.processor.modeler.annotation;
  27 
  28 import javax.annotation.processing.ProcessingEnvironment;
  29 import javax.lang.model.element.Name;
  30 import javax.lang.model.element.TypeElement;
  31 import javax.lang.model.type.ArrayType;
  32 import javax.lang.model.type.DeclaredType;
  33 import javax.lang.model.type.PrimitiveType;
  34 import javax.lang.model.type.TypeKind;
  35 import javax.lang.model.type.TypeMirror;
  36 import java.util.ArrayList;
  37 import java.util.Collection;
  38 
  39 /**
  40  * @author dkohlert
  41  */
  42 public class TypeMonikerFactory {
  43 
  44     public static TypeMoniker getTypeMoniker(TypeMirror typeMirror) {
  45         if (typeMirror == null)
  46             throw new NullPointerException();
  47 
  48         if (typeMirror.getKind().isPrimitive())
  49             return new PrimitiveTypeMoniker((PrimitiveType) typeMirror);
  50         else if (typeMirror.getKind().equals(TypeKind.ARRAY))
  51             return new ArrayTypeMoniker((ArrayType) typeMirror);
  52         else if (typeMirror.getKind().equals(TypeKind.DECLARED))
  53             return new DeclaredTypeMoniker((DeclaredType) typeMirror);
  54         return getTypeMoniker(typeMirror.toString());
  55     }
  56 
  57     public static TypeMoniker getTypeMoniker(String typeName) {
  58         return new StringMoniker(typeName);
  59     }
  60 
  61     static class ArrayTypeMoniker implements TypeMoniker {
  62         private TypeMoniker arrayType;
  63 
  64         public ArrayTypeMoniker(ArrayType type) {
  65             arrayType = TypeMonikerFactory.getTypeMoniker(type.getComponentType());
  66         }
  67 
  68         public TypeMirror create(ProcessingEnvironment apEnv) {
  69             return apEnv.getTypeUtils().getArrayType(arrayType.create(apEnv));
  70         }
  71     }
  72     static class DeclaredTypeMoniker implements TypeMoniker {
  73         private Name typeDeclName;
  74         private Collection<TypeMoniker> typeArgs = new ArrayList<TypeMoniker>();
  75 
  76         public DeclaredTypeMoniker(DeclaredType type) {
  77             typeDeclName = ((TypeElement) type.asElement()).getQualifiedName();
  78             for (TypeMirror arg : type.getTypeArguments())
  79                 typeArgs.add(TypeMonikerFactory.getTypeMoniker(arg));
  80         }
  81 
  82         public TypeMirror create(ProcessingEnvironment apEnv) {
  83             TypeElement typeDecl = apEnv.getElementUtils().getTypeElement(typeDeclName);
  84             TypeMirror[] tmpArgs = new TypeMirror[typeArgs.size()];
  85             int idx = 0;
  86             for (TypeMoniker moniker : typeArgs)
  87                 tmpArgs[idx++] = moniker.create(apEnv);
  88 
  89             return apEnv.getTypeUtils().getDeclaredType(typeDecl, tmpArgs);
  90         }
  91     }
  92     static class PrimitiveTypeMoniker implements TypeMoniker {
  93         private TypeKind kind;
  94 
  95         public PrimitiveTypeMoniker(PrimitiveType type) {
  96             kind = type.getKind();
  97         }
  98 
  99         public TypeMirror create(ProcessingEnvironment apEnv) {
 100             return apEnv.getTypeUtils().getPrimitiveType(kind);
 101         }
 102     }
 103     static class StringMoniker implements TypeMoniker {
 104         private String typeName;
 105 
 106         public StringMoniker(String typeName) {
 107             this.typeName = typeName;
 108         }
 109 
 110         public TypeMirror create(ProcessingEnvironment apEnv) {
 111             return apEnv.getTypeUtils().getDeclaredType(apEnv.getElementUtils().getTypeElement(typeName));
 112         }
 113     }
 114 }