Method javaType

bind/genjava.go:687–729

javaType returns a string that can be used as a Java type.

(T types.Type)

// javaType returns a string that can be used as a Java type.
func (g *JavaGen) javaType(T types.Type) string {
	if isErrorType(T) {
		// The error type is usually translated into an exception in
		// Java, however the type can be exposed in other ways, such
		// as an exported field.
		return "java.lang.Exception"
	} else if isJavaType(T) {
		return classNameFor(T)
	}
	switch T := types.Unalias(T).(type) {
	case *types.Basic:
		return g.javaBasicType(T)
	case *types.Slice:
		elem := g.javaType(T.Elem())
		return elem + "[]"

	case *types.Pointer:
		if _, ok := types.Unalias(T.Elem()).(*types.Named); ok {
			return g.javaType(T.Elem())
		}
		g.errorf("unsupported pointer to type: %s", T)
	case *types.Named:
		n := T.Obj()
		nPkg := n.Pkg()
		if !isErrorType(T) && !g.validPkg(nPkg) {
			g.errorf("type %s is in %s, which is not bound", n.Name(), nPkg)
			break
		}
		// TODO(crawshaw): more checking here
		clsName := n.Name()
		if nPkg != g.Pkg {
			if clsName == JavaClassName(nPkg) {
				clsName += "_"
			}
			return fmt.Sprintf("%s.%s", g.javaPkgName(nPkg), clsName)
		} else {
			return g.javaTypeName(clsName)
		}
	default:
		g.errorf("unsupported javaType: %#+v, %s\n", T, T)
	}
	return "TODO"
}

func (g *JavaGen) genJNIFuncSignature(o *types.Func, sName string, jm *java.Func, proxy, isjava bool) {
	sig := o.Type().(*types.Signature)