/*
* 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.gwt;
import com.sun.mirror.declaration.ClassDeclaration;
import com.sun.mirror.declaration.TypeDeclaration;
import com.sun.mirror.type.*;
import freemarker.template.TemplateModelException;
import net.sf.jelly.apt.decorations.TypeMirrorDecorator;
import net.sf.jelly.apt.decorations.type.DecoratedTypeMirror;
import net.sf.jelly.apt.decorations.type.DecoratedDeclaredType;
import org.codehaus.enunciate.contract.jaxb.Accessor;
import org.codehaus.enunciate.contract.jaxb.Element;
import org.codehaus.enunciate.contract.jaxb.ElementRef;
import javax.activation.DataHandler;
import javax.xml.bind.annotation.XmlElements;
import javax.xml.datatype.XMLGregorianCalendar;
import javax.xml.namespace.QName;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URI;
import java.sql.Timestamp;
import java.util.*;
/**
* Conversion from java types to GWT json overlay types.
*
* @author Ryan Heaton
*/
public class OverlayClientClassnameForMethod extends org.codehaus.enunciate.template.freemarker.ClientClassnameForMethod {
private final Map<String, String> classConversions = new HashMap<String, String>();
public OverlayClientClassnameForMethod(Map<String, String> conversions) {
super(conversions);
classConversions.put(BigDecimal.class.getName(), String.class.getName());
classConversions.put(BigInteger.class.getName(), String.class.getName());
classConversions.put(Date.class.getName(), Long.class.getName());
classConversions.put(Timestamp.class.getName(), Long.class.getName());
classConversions.put(Calendar.class.getName(), Long.class.getName());
classConversions.put(DataHandler.class.getName(), String.class.getName());
classConversions.put(QName.class.getName(), String.class.getName());
classConversions.put(URI.class.getName(), String.class.getName());
classConversions.put(UUID.class.getName(), String.class.getName());
classConversions.put(XMLGregorianCalendar.class.getName(), "double");
classConversions.put(javax.xml.bind.JAXBElement.class.getName(), "com.google.gwt.core.client.JavaScriptObject");
}
@Override
public String convert(TypeDeclaration declaration) throws TemplateModelException {
if (classConversions.containsKey(declaration.getQualifiedName())) {
return classConversions.get(declaration.getQualifiedName());
}
else if (isCollection(declaration)) {
return "com.google.gwt.core.client.JsArray";
}
return super.convert(declaration);
}
protected boolean isCollection(TypeDeclaration declaration) {
String fqn = declaration.getQualifiedName();
if (Collection.class.getName().equals(fqn)) {
return true;
}
else if (Object.class.getName().equals(fqn)) {
return false;
}
else {
if (declaration instanceof ClassDeclaration) {
DecoratedTypeMirror decorated = (DecoratedTypeMirror) TypeMirrorDecorator.decorate(((ClassDeclaration)declaration).getSuperclass());
if (decorated.isCollection()) {
return true;
}
}
for (InterfaceType interfaceType : declaration.getSuperinterfaces()) {
DecoratedTypeMirror decorated = (DecoratedTypeMirror) TypeMirrorDecorator.decorate(interfaceType);
if (decorated.isCollection()) {
return true;
}
}
}
return false;
}
@Override
public String convert(Accessor accessor) throws TemplateModelException {
if (accessor.isCollectionType() && accessor instanceof Element) {
Element element = (Element) accessor;
//@XmlElementRefs and @XmlElements can't
if (element instanceof ElementRef && ((ElementRef) element).isElementRefs()) {
return "com.google.gwt.core.client.JsArray";
}
else if (element.getAnnotation(XmlElements.class) != null) {
return "com.google.gwt.core.client.JsArray";
}
}
return super.convert(accessor);
}
@Override
public String convert(TypeMirror typeMirror) throws TemplateModelException {
DecoratedTypeMirror decorated = (DecoratedTypeMirror) TypeMirrorDecorator.decorate(typeMirror);
if (decorated.isArray()) {
DecoratedTypeMirror componentType = (DecoratedTypeMirror) ((ArrayType) decorated).getComponentType();
if (componentType.isPrimitive()) {
switch (((PrimitiveType)componentType).getKind()) {
case BOOLEAN:
return "com.google.gwt.core.client.JsArrayBoolean";
case BYTE:
return "java.lang.String";//byte arrays serialized as base64-encoded strings.
case CHAR:
case INT:
case SHORT:
return "com.google.gwt.core.client.JsArrayInteger";
case DOUBLE:
case FLOAT:
case LONG:
return "com.google.gwt.core.client.JsArrayNumber";
default:
return "com.google.gwt.core.client.JsArray";
}
}
else if (componentType.isInstanceOf(String.class.getName())) {
return "com.google.gwt.core.client.JsArrayString";
}
else {
return "com.google.gwt.core.client.JsArray<" + convert(componentType) + ">";
}
}
else if (decorated.isCollection()) {
Collection<TypeMirror> typeArgs = ((DecoratedDeclaredType) decorated).getActualTypeArguments();
if (typeArgs != null && typeArgs.size() == 1) {
DecoratedTypeMirror componentType = (DecoratedTypeMirror) typeArgs.iterator().next();
if (componentType.isInstanceOf(String.class.getName())) {
return "com.google.gwt.core.client.JsArrayString";
}
else if (componentType.isInstanceOf(Boolean.class.getName())) {
return "com.google.gwt.core.client.JsArrayBoolean";
}
else if (componentType.isInstanceOf(Integer.class.getName())
|| componentType.isInstanceOf(Character.class.getName())
|| componentType.isInstanceOf(Short.class.getName())) {
return "com.google.gwt.core.client.JsArrayInteger";
}
else if (componentType.isInstanceOf(Double.class.getName())
|| componentType.isInstanceOf(Float.class.getName())
|| componentType.isInstanceOf(Long.class.getName())) {
return "com.google.gwt.core.client.JsArrayNumber";
}
else {
return "com.google.gwt.core.client.JsArray<" + convert(componentType) + ">";
}
}
return "com.google.gwt.core.client.JsArray";
}
else if (decorated.isDeclared()) {
DeclaredType declaredType = ((DeclaredType) decorated);
String fqn = declaredType.getDeclaration().getQualifiedName();
if (classConversions.containsKey(fqn)) {
return classConversions.get(fqn);
}
}
else if (decorated.isPrimitive()) {
if (((PrimitiveType) decorated).getKind() == PrimitiveType.Kind.LONG) {
return Long.class.getName();
}
}
return super.convert(typeMirror);
}
}