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package com.sun.tools.ws.processor.modeler.annotation;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Name;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.ArrayType;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.PrimitiveType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import java.util.ArrayList;
import java.util.Collection;
/**
* @author dkohlert
*/
public class TypeMonikerFactory {
public static TypeMoniker getTypeMoniker(TypeMirror typeMirror) {
if (typeMirror == null)
throw new NullPointerException();
if (typeMirror.getKind().isPrimitive())
return new PrimitiveTypeMoniker((PrimitiveType) typeMirror);
else if (typeMirror.getKind().equals(TypeKind.ARRAY))
return new ArrayTypeMoniker((ArrayType) typeMirror);
else if (typeMirror.getKind().equals(TypeKind.DECLARED))
return new DeclaredTypeMoniker((DeclaredType) typeMirror);
return getTypeMoniker(typeMirror.toString());
}
public static TypeMoniker getTypeMoniker(String typeName) {
return new StringMoniker(typeName);
}
static class ArrayTypeMoniker implements TypeMoniker {
private TypeMoniker arrayType;
public ArrayTypeMoniker(ArrayType type) {
arrayType = TypeMonikerFactory.getTypeMoniker(type.getComponentType());
}
public TypeMirror create(ProcessingEnvironment apEnv) {
return apEnv.getTypeUtils().getArrayType(arrayType.create(apEnv));
}
}
static class DeclaredTypeMoniker implements TypeMoniker {
private Name typeDeclName;
private Collection<TypeMoniker> typeArgs = new ArrayList<TypeMoniker>();
public DeclaredTypeMoniker(DeclaredType type) {
typeDeclName = ((TypeElement) type.asElement()).getQualifiedName();
for (TypeMirror arg : type.getTypeArguments())
typeArgs.add(TypeMonikerFactory.getTypeMoniker(arg));
}
public TypeMirror create(ProcessingEnvironment apEnv) {
TypeElement typeDecl = apEnv.getElementUtils().getTypeElement(typeDeclName);
TypeMirror[] tmpArgs = new TypeMirror[typeArgs.size()];
int idx = 0;
for (TypeMoniker moniker : typeArgs)
tmpArgs[idx++] = moniker.create(apEnv);
return apEnv.getTypeUtils().getDeclaredType(typeDecl, tmpArgs);
}
}
static class PrimitiveTypeMoniker implements TypeMoniker {
private TypeKind kind;
public PrimitiveTypeMoniker(PrimitiveType type) {
kind = type.getKind();
}
public TypeMirror create(ProcessingEnvironment apEnv) {
return apEnv.getTypeUtils().getPrimitiveType(kind);
}
}
static class StringMoniker implements TypeMoniker {
private String typeName;
public StringMoniker(String typeName) {
this.typeName = typeName;
}
public TypeMirror create(ProcessingEnvironment apEnv) {
return apEnv.getTypeUtils().getDeclaredType(apEnv.getElementUtils().getTypeElement(typeName));
}
}
}