void put(Scriptable scope, String name, Object javaObject, Object value, boolean isStatic) {
Map<String, Object> ht = isStatic ? staticMembers : members;
Object member = ht.get(name);
if (!isStatic && member == null) {
// Try to get static member from instance (LC3)
member = staticMembers.get(name);
}
if (member == null) throw reportMemberNotFound(name);
if (member instanceof FieldAndMethods) {
FieldAndMethods fam = (FieldAndMethods) ht.get(name);
member = fam.field;
}
// Is this a bean property "set"?
if (member instanceof BeanProperty) {
BeanProperty bp = (BeanProperty) member;
if (bp.setter == null) {
throw reportMemberNotFound(name);
}
// If there's only one setter or if the value is null, use the
// main setter. Otherwise, let the NativeJavaMethod decide which
// setter to use:
if (bp.setters == null || value == null) {
Class<?> setType = bp.setter.argTypes[0];
Object[] args = {Context.jsToJava(value, setType)};
try {
bp.setter.invoke(javaObject, args);
} catch (Exception ex) {
throw Context.throwAsScriptRuntimeEx(ex);
}
} else {
Object[] args = {value};
bp.setters.call(
Context.getContext(), ScriptableObject.getTopLevelScope(scope), scope, args);
}
} else {
if (!(member instanceof Field)) {
String str = (member == null) ? "msg.java.internal.private" : "msg.java.method.assign";
throw Context.reportRuntimeError1(str, name);
}
Field field = (Field) member;
Object javaValue = Context.jsToJava(value, field.getType());
try {
field.set(javaObject, javaValue);
} catch (IllegalAccessException accessEx) {
if ((field.getModifiers() & Modifier.FINAL) != 0) {
// treat Java final the same as JavaScript [[READONLY]]
return;
}
throw Context.throwAsScriptRuntimeEx(accessEx);
} catch (IllegalArgumentException argEx) {
throw Context.reportRuntimeError3(
"msg.java.internal.field.type",
value.getClass().getName(),
field,
javaObject.getClass().getName());
}
}
}
/**
* Return new {@link Scriptable} instance using the default constructor for the class of the
* underlying Java method. Return null to indicate that the call method should be used to create
* new objects.
*/
public Scriptable createObject(Context cx, Scriptable scope) {
if (member.isCtor() || (parmsLength == VARARGS_CTOR)) {
return null;
}
Scriptable result;
try {
result = (Scriptable) member.getDeclaringClass().newInstance();
} catch (Exception ex) {
throw Context.throwAsScriptRuntimeEx(ex);
}
result.setPrototype(getClassPrototype());
result.setParentScope(getParentScope());
return result;
}
static Object js_createAdpter(Context cx, Scriptable scope, Object[] args) {
int N = args.length;
if (N == 0) {
throw ScriptRuntime.typeError0("msg.adapter.zero.args");
}
Class superClass = null;
Class[] intfs = new Class[N - 1];
int interfaceCount = 0;
for (int i = 0; i != N - 1; ++i) {
Object arg = args[i];
if (!(arg instanceof NativeJavaClass)) {
throw ScriptRuntime.typeError2(
"msg.not.java.class.arg", String.valueOf(i), ScriptRuntime.toString(arg));
}
Class c = ((NativeJavaClass) arg).getClassObject();
if (!c.isInterface()) {
if (superClass != null) {
throw ScriptRuntime.typeError2("msg.only.one.super", superClass.getName(), c.getName());
}
superClass = c;
} else {
intfs[interfaceCount++] = c;
}
}
if (superClass == null) superClass = ScriptRuntime.ObjectClass;
Class[] interfaces = new Class[interfaceCount];
System.arraycopy(intfs, 0, interfaces, 0, interfaceCount);
Scriptable obj = ScriptRuntime.toObject(cx, scope, args[N - 1]);
Class adapterClass = getAdapterClass(scope, superClass, interfaces, obj);
Class[] ctorParms = {ScriptRuntime.ContextFactoryClass, ScriptRuntime.ScriptableClass};
Object[] ctorArgs = {cx.getFactory(), obj};
try {
Object adapter = adapterClass.getConstructor(ctorParms).newInstance(ctorArgs);
return getAdapterSelf(adapterClass, adapter);
} catch (Exception ex) {
throw Context.throwAsScriptRuntimeEx(ex);
}
}
Object get(Scriptable scope, String name, Object javaObject, boolean isStatic) {
Map<String, Object> ht = isStatic ? staticMembers : members;
Object member = ht.get(name);
if (!isStatic && member == null) {
// Try to get static member from instance (LC3)
member = staticMembers.get(name);
}
if (member == null) {
member =
this.getExplicitFunction(
scope, name,
javaObject, isStatic);
if (member == null) return Scriptable.NOT_FOUND;
}
if (member instanceof Scriptable) {
return member;
}
Context cx = Context.getContext();
Object rval;
Class<?> type;
try {
if (member instanceof BeanProperty) {
BeanProperty bp = (BeanProperty) member;
if (bp.getter == null) return Scriptable.NOT_FOUND;
rval = bp.getter.invoke(javaObject, Context.emptyArgs);
type = bp.getter.method().getReturnType();
} else {
Field field = (Field) member;
rval = field.get(isStatic ? null : javaObject);
type = field.getType();
}
} catch (Exception ex) {
throw Context.throwAsScriptRuntimeEx(ex);
}
// Need to wrap the object before we return it.
scope = ScriptableObject.getTopLevelScope(scope);
return cx.getWrapFactory().wrap(cx, scope, rval, type);
}
static Object js_createAdapter(Context cx, Scriptable scope, Object[] args) {
int N = args.length;
if (N == 0) {
throw ScriptRuntime.typeError0("msg.adapter.zero.args");
}
// Expected arguments:
// Any number of NativeJavaClass objects representing the super-class
// and/or interfaces to implement, followed by one NativeObject providing
// the implementation, followed by any number of arguments to pass on
// to the (super-class) constructor.
int classCount;
for (classCount = 0; classCount < N - 1; classCount++) {
Object arg = args[classCount];
// We explicitly test for NativeObject here since checking for
// instanceof ScriptableObject or !(instanceof NativeJavaClass)
// would fail for a Java class that isn't found in the class path
// as NativeJavaPackage extends ScriptableObject.
if (arg instanceof NativeObject) {
break;
}
if (!(arg instanceof NativeJavaClass)) {
throw ScriptRuntime.typeError2(
"msg.not.java.class.arg", String.valueOf(classCount), ScriptRuntime.toString(arg));
}
}
Class<?> superClass = null;
Class<?>[] intfs = new Class[classCount];
int interfaceCount = 0;
for (int i = 0; i < classCount; ++i) {
Class<?> c = ((NativeJavaClass) args[i]).getClassObject();
if (!c.isInterface()) {
if (superClass != null) {
throw ScriptRuntime.typeError2("msg.only.one.super", superClass.getName(), c.getName());
}
superClass = c;
} else {
intfs[interfaceCount++] = c;
}
}
if (superClass == null) {
superClass = ScriptRuntime.ObjectClass;
}
Class<?>[] interfaces = new Class[interfaceCount];
System.arraycopy(intfs, 0, interfaces, 0, interfaceCount);
// next argument is implementation, must be scriptable
Scriptable obj = ScriptableObject.ensureScriptable(args[classCount]);
Class<?> adapterClass = getAdapterClass(scope, superClass, interfaces, obj);
Object adapter;
int argsCount = N - classCount - 1;
try {
if (argsCount > 0) {
// Arguments contain parameters for super-class constructor.
// We use the generic Java method lookup logic to find and
// invoke the right constructor.
Object[] ctorArgs = new Object[argsCount + 2];
ctorArgs[0] = obj;
ctorArgs[1] = cx.getFactory();
System.arraycopy(args, classCount + 1, ctorArgs, 2, argsCount);
// TODO: cache class wrapper?
NativeJavaClass classWrapper = new NativeJavaClass(scope, adapterClass, true);
NativeJavaMethod ctors = classWrapper.members.ctors;
int index = ctors.findCachedFunction(cx, ctorArgs);
if (index < 0) {
String sig = NativeJavaMethod.scriptSignature(args);
throw Context.reportRuntimeError2("msg.no.java.ctor", adapterClass.getName(), sig);
}
// Found the constructor, so try invoking it.
adapter = NativeJavaClass.constructInternal(ctorArgs, ctors.methods[index]);
} else {
Class<?>[] ctorParms = {ScriptRuntime.ScriptableClass, ScriptRuntime.ContextFactoryClass};
Object[] ctorArgs = {obj, cx.getFactory()};
adapter = adapterClass.getConstructor(ctorParms).newInstance(ctorArgs);
}
Object self = getAdapterSelf(adapterClass, adapter);
// Return unwrapped JavaAdapter if it implements Scriptable
if (self instanceof Wrapper) {
Object unwrapped = ((Wrapper) self).unwrap();
if (unwrapped instanceof Scriptable) {
if (unwrapped instanceof ScriptableObject) {
ScriptRuntime.setObjectProtoAndParent((ScriptableObject) unwrapped, scope);
}
return unwrapped;
}
}
return self;
} catch (Exception ex) {
throw Context.throwAsScriptRuntimeEx(ex);
}
}
