/*
* Copyright 2006-2008 Web Cohesion
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.enunciate.modules.objc;
import com.sun.mirror.type.DeclaredType;
import com.sun.mirror.type.EnumType;
import com.sun.mirror.type.PrimitiveType;
import com.sun.mirror.type.TypeMirror;
import freemarker.ext.beans.BeansWrapper;
import freemarker.template.TemplateMethodModelEx;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
import org.codehaus.enunciate.contract.jaxb.Accessor;
import org.codehaus.enunciate.contract.jaxb.TypeDefinition;
import org.codehaus.enunciate.apt.EnunciateFreemarkerModel;
import java.util.List;
import net.sf.jelly.apt.freemarker.FreemarkerModel;
/**
* Template method used to lookup the function identifier for a given type. Only Objective C primitive types
* have a function identifier. Returns null if no function identifier is provided.
*
* @author Ryan Heaton
*/
public class FunctionIdentifierForMethod implements TemplateMethodModelEx {
private final NameForTypeDefinitionMethod typeDefName;
public FunctionIdentifierForMethod(NameForTypeDefinitionMethod typeDefName) {
this.typeDefName = typeDefName;
}
public Object exec(List list) throws TemplateModelException {
if (list.size() < 1) {
throw new TemplateModelException("The functionIdentifierFor method must have an accessor or type mirror as a parameter.");
}
TemplateModel from = (TemplateModel) list.get(0);
Object unwrapped = BeansWrapper.getDefaultInstance().unwrap(from);
TypeMirror typeMirror;
if (unwrapped instanceof Accessor) {
Accessor accessor = (Accessor) unwrapped;
if (accessor.isAdapted()) {
typeMirror = accessor.getAdapterType().getAdaptingType(accessor.getAccessorType());
}
else {
typeMirror = accessor.getAccessorType();
}
}
else if (unwrapped instanceof TypeMirror) {
typeMirror = (TypeMirror) unwrapped;
}
else {
throw new TemplateModelException("The functionIdentifierFor method must have an accessor or type mirror as a parameter.");
}
if (typeMirror instanceof PrimitiveType) {
switch (((PrimitiveType) typeMirror).getKind()) {
case BOOLEAN:
return "Boolean";
case BYTE:
return "Byte";
case CHAR:
return "Character";
case DOUBLE:
return "Double";
case FLOAT:
return "Float";
case INT:
return "Int";
case LONG:
return "Long";
case SHORT:
return "Short";
default:
return (((PrimitiveType) typeMirror).getKind()).toString();
}
}
else if (typeMirror instanceof EnumType) {
EnunciateFreemarkerModel model = (EnunciateFreemarkerModel) FreemarkerModel.get();
TypeDefinition typeDefinition = model.findTypeDefinition(((EnumType) typeMirror).getDeclaration());
if (typeDefinition != null) {
return typeDefName.calculateName(typeDefinition);
}
}
else if ((typeMirror instanceof DeclaredType) && (((DeclaredType)typeMirror).getDeclaration() != null)) {
String classname = ((DeclaredType) typeMirror).getDeclaration().getQualifiedName();
if (Boolean.class.getName().equals(classname)) {
return "Boolean";
}
else if (Byte.class.getName().equals(classname)) {
return "Byte";
}
else if (Character.class.getName().equals(classname)) {
return "UnsignedShort";
}
else if (Double.class.getName().equals(classname)) {
return "Double";
}
else if (Float.class.getName().equals(classname)) {
return "Float";
}
else if (Integer.class.getName().equals(classname)) {
return "Int";
}
else if (Long.class.getName().equals(classname)) {
return "Long";
}
else if (Short.class.getName().equals(classname)) {
return "Short";
}
}
return null;
}
}