private IMethodInfo getPropertyGetMethod(IPropertyInfo pi, IJavaType ownerType) {
JavaTypeInfo ti;
if (!(pi.getOwnersType() instanceof IJavaType)) {
return null;
}
if (ownerType.getTypeInfo() instanceof JavaTypeInfo) {
ti = (JavaTypeInfo) ownerType.getTypeInfo();
} else {
throw new IllegalArgumentException(ownerType + " is not a recognized Java type");
}
IType propType = pi.getFeatureType();
String strAccessor = "get" + pi.getDisplayName();
IMethodInfo mi = ti.getMethod(ownerType, strAccessor);
if (mi == null || mi.getReturnType() != propType) {
strAccessor = "is" + pi.getDisplayName();
mi = ti.getMethod(ownerType, strAccessor);
}
if (mi != null && mi.getReturnType() == propType) {
return mi;
}
return null;
}
private void genInterfacePropertyDecl(StringBuilder sb, IPropertyInfo pi, IJavaType javaType) {
if (pi.isStatic()) {
genStaticProperty(pi, sb, javaType);
return;
}
if (!pi.isReadable()) {
return;
}
if (!(pi instanceof JavaBaseFeatureInfo)) {
// It is possible that a methodinfo on a java type originates outside of java.
// E.g., enhancement methods. Gosu does not support extending these.
return;
}
IType type = getGenericType(pi);
if (pi.getDescription() != null) {
sb.append("/** ").append(pi.getDescription()).append(" */");
}
sb.append(" property get ")
.append(pi.getName())
.append("() : ")
.append(type.getName())
.append("\n");
if (pi.isWritable(pi.getOwnersType())) {
sb.append(" property set ")
.append(pi.getName())
.append("( _proxy_arg_value : ")
.append(type.getName())
.append(" )\n");
}
}
protected static String deriveDescription(IPropertyInfo propertyInfo) {
IType intrinsicType = propertyInfo.getOwnersType();
String description;
try {
ResourceBundle resourceBundle =
ResourceBundle.getBundle(
intrinsicType.getName(),
Locale.getDefault(),
TypeSystem.getGosuClassLoader().getActualLoader());
description = resourceBundle.getString(propertyInfo.getName());
} catch (MissingResourceException e) {
description = propertyInfo.getDescription();
}
return description == null ? "" : description.replaceAll("\n", " ");
}
private void genStaticProperty(IPropertyInfo pi, StringBuilder sb, IJavaType type) {
if (!pi.isStatic()) {
return;
}
if (!(pi instanceof JavaBaseFeatureInfo)) {
// It is possible that a methodinfo on a java type originates outside of java.
// E.g., enhancement methods. Gosu does not support extending these.
return;
}
if (Keyword.isReserved(pi.getName())) {
// Sorry these won't compile
// ## todo: handle them reflectively?
return;
}
if (pi.getDescription() != null) {
sb.append("/** ").append(pi.getDescription()).append(" */");
}
if (pi instanceof JavaFieldPropertyInfo) {
StringBuilder sbModifiers = appendFieldVisibilityModifier(pi);
sb.append(" ")
.append(sbModifiers)
.append("static var ")
.append(pi.getName())
.append(" : ")
.append(getGenericType(pi).getName())
.append("\n");
} else {
StringBuilder sbModifiers = appendVisibilityModifier(pi);
sb.append(" ")
.append(sbModifiers)
.append("static property get ")
.append(pi.getName())
.append("() : ")
.append(getGenericType(pi).getName())
.append("\n")
.append(" {\n")
.append(" return ")
.append(type.getName())
.append('.')
.append(pi.getName())
.append(";\n")
.append(" }\n");
if (pi.isWritable(pi.getOwnersType())) {
sb.append(" static property set ")
.append(pi.getName())
.append("( _proxy_arg_value : ")
.append(getGenericType(pi).getName())
.append(" )\n")
.append(" {\n")
.append(" ")
.append(type.getName())
.append('.')
.append(pi.getName())
.append(" = _proxy_arg_value;\n")
.append(" }\n");
}
}
}
private void genMemberProperty(IPropertyInfo pi, StringBuilder sb, IJavaType type) {
if (pi.isStatic()) {
return;
}
if (!(pi instanceof JavaBaseFeatureInfo)) {
// It is possible that a propertyinfo on a java type originates outside of java.
// E.g., enhancement properties. Gosu does not support extending these.
return;
}
if (Keyword.isReserved(pi.getName()) && !Keyword.isReservedValue(pi.getName())) {
// Sorry these won't compile
// ## todo: handle them reflectively?
return;
}
if (pi instanceof JavaFieldPropertyInfo) {
StringBuilder sbModifiers = appendFieldVisibilityModifier(pi);
sb.append(" ")
.append(sbModifiers)
.append(" var ")
.append(pi.getName())
.append(" : ")
.append(getGenericType(pi).getName())
.append("\n");
} else {
IMethodInfo mi = getPropertyGetMethod(pi, type);
boolean bFinal = false;
if (mi != null) {
int iMethodModifiers = ((IJavaMethodInfo) mi).getModifiers();
bFinal = java.lang.reflect.Modifier.isFinal(iMethodModifiers);
}
if (mi != null && !bFinal) {
if (mi.getDescription() != null) {
sb.append("/** ").append(mi.getDescription()).append(" */");
}
StringBuilder sbModifiers = buildModifiers(mi);
sb.append(" ")
.append(sbModifiers)
.append("property get ")
.append(pi.getName())
.append("() : ")
.append(getGenericType(pi).getName())
.append("\n");
if (!mi.isAbstract()) {
generateStub(sb, mi.getReturnType());
}
} else {
String strJavaClassName = type.getName();
StringBuilder sbModifiers;
boolean bAbstact = false;
if (bFinal) {
bAbstact = mi.isAbstract();
sbModifiers = buildModifiers(mi);
} else {
sbModifiers = appendVisibilityModifier(pi);
}
sb.append(" ")
.append(sbModifiers)
.append("property get ")
.append(pi.getName())
.append("() : ")
.append(getGenericType(pi).getName())
.append("\n");
if (!bAbstact) {
generateStub(sb, getGenericType(pi));
}
}
mi = getPropertySetMethod(pi, type);
bFinal = false;
if (mi != null) {
int iMethodModifiers = ((IJavaMethodInfo) mi).getModifiers();
bFinal = java.lang.reflect.Modifier.isFinal(iMethodModifiers);
}
if (mi != null && !bFinal) {
StringBuilder sbModifiers = buildModifiers(mi);
if (pi.isWritable(pi.getOwnersType())) {
sb.append(" ")
.append(sbModifiers)
.append("property set ")
.append(pi.getName())
.append("( _proxy_arg_value : ")
.append(getGenericType(pi).getName())
.append(" )\n");
if (!mi.isAbstract()) {
generateStub(sb, JavaTypes.pVOID());
}
}
} else {
if (pi.isWritable(type.getEnclosingType() != null ? null : pi.getOwnersType())) {
String strJavaClassName = type.getName();
StringBuilder sbModifiers;
boolean bAbstact = false;
if (bFinal) {
bAbstact = mi.isAbstract();
sbModifiers = buildModifiers(mi);
} else {
sbModifiers = appendVisibilityModifier(pi);
}
sb.append(" ")
.append(sbModifiers)
.append("property set ")
.append(pi.getName())
.append("( _proxy_arg_value : ")
.append(getGenericType(pi).getName())
.append(" )\n");
if (!bAbstact) {
generateStub(sb, JavaTypes.pVOID());
}
}
}
}
}