Java Utililty Methods Javascript Mozilla Library

try {
    Context context = Context.enter();
    Scriptable obj = context.newObject(scriptable);
    addToScriptable(scriptable, name, obj);
    for (Entry<Object, Object> entry : props.entrySet()) {
        addToScriptable(obj, (String) entry.getKey(), entry.getValue());
} finally {
...

final Scriptable newObject = Context.getCurrentContext().newObject(scope);
for (final Map.Entry<?, ?> mapEntry : map.entrySet()) {
    newObject.put(mapEntry.getKey().toString(), newObject, mapEntry.getValue());
return newObject;

Object val = scope.get(name, scope);
if (val == UniqueTag.NOT_FOUND) {
    return false;
} else {
    return Context.toBoolean(val);

boolean exitContext = false;
if (Context.getCurrentContext() == null) {
    Context.enter();
    exitContext = true;
Context context = (cx == null) ? Context.getCurrentContext() : cx;
Object result = function.call(context, scope, thisObj, args);
if (exitContext) {
...

Object[] ids = jsArray.getIds();
Object[] result = new Object[ids.length];
for (int i = 0; i < ids.length; i++) {
    Object id = ids[i];
    int index = (Integer) id;
    Object jsValue = jsArray.get(index, jsArray);
    result[i] = jsToJava(jsValue);
return result;

Object[] ids = jsObject.getIds();
Map result = new HashMap(ids.length);
for (Object id : ids) {
    if (id instanceof String) {
        Object jsValue = jsObject.get((String) id, jsObject);
        result.put(id, jsToJava(jsValue, identities));
    } else if (id instanceof Integer) {
        Object jsValue = jsObject.get((Integer) id, jsObject);
...

if (properties == null || scriptable == null)
    return;
Context cx = Context.enter();
try {
    for (Enumeration e = properties.keys(); e.hasMoreElements();) {
        String key = (String) e.nextElement();
        Object value = properties.get(key);
        scriptable.put(key, scriptable, value);
...

Scriptable scopeCopy = context.initStandardObjects();
for (Object id : scope.getIds()) {
    scopeCopy.put(id.toString(), scopeCopy, scope.get(id.toString(), scope));
return scopeCopy;

if (properties == null || scriptable == null)
    return;
Context.enter();
try {
    Object ids[] = scriptable.getIds();
    for (int i = 0; i < ids.length; i++) {
        String key = ids[i].toString();
        Object value = scriptable.get(ids[i].toString(), scriptable);
...

Object[] ret = new Object[ifaces.length + 1];
for (int i = 0; i < ifaces.length; i++) {
    ret[i] = new NativeJavaClass(scope, ifaces[i]);
ret[ret.length - 1] = jsImpl;
return ret;