Examples with Context org.mozilla.javascript.Context used on opensource projects

Example 66 with Context

use of org.mozilla.javascript.Context in project jaggery by wso2.

the class DatabaseHostObject method executeBatch.

@edu.umd.cs.findbugs.annotations.SuppressFBWarnings("SQL_INJECTION_JDBC")
private static Object executeBatch(Context cx, final DatabaseHostObject db, NativeArray queries, NativeArray params, final Function callback) throws ScriptException, SQLException {
    if (params != null && (queries.getLength() != params.getLength())) {
        String msg = "Query array and values array should be in the same size. HostObject : " + hostObjectName + ", Method : query";
        log.warn(msg);
        throw new ScriptException(msg);
    }
    final Statement stmt = db.conn.createStatement();
    for (int index : (Integer[]) queries.getIds()) {
        Object obj = queries.get(index, db);
        if (!(obj instanceof String)) {
            String msg = "Invalid query type : " + obj.toString() + ". Query should be a string";
            log.warn(msg);
            throw new ScriptException(msg);
        }
        String query = (String) obj;
        if (params != null) {
            Object valObj = params.get(index, db);
            if (!(valObj instanceof NativeArray)) {
                String msg = "Invalid value type : " + obj.toString() + " for the query " + query;
                log.warn(msg);
                throw new ScriptException(msg);
            }
            query = replaceWildcards(db, query, (NativeArray) valObj);
        }
        stmt.addBatch(query);
    }
    if (callback != null) {
        final ContextFactory factory = cx.getFactory();
        final ExecutorService es = Executors.newSingleThreadExecutor();
        es.submit(new Callable() {

            public Object call() throws Exception {
                Context ctx = RhinoEngine.enterContext(factory);
                try {
                    int[] result = stmt.executeBatch();
                    callback.call(ctx, db, db, new Object[] { result });
                } catch (SQLException e) {
                    log.warn(e);
                } finally {
                    es.shutdown();
                    RhinoEngine.exitContext();
                }
                return null;
            }
        });
        return null;
    } else {
        return stmt.executeBatch();
    }
}

Example 67 with Context

use of org.mozilla.javascript.Context in project jaggery by wso2.

the class WebAppSessionListener method sessionDestroyed.

@Override
public void sessionDestroyed(HttpSessionEvent httpSessionEvent) {
    ServletContext ctx = httpSessionEvent.getSession().getServletContext();
    List<Object> jsListeners = (List<Object>) ctx.getAttribute(JaggeryCoreConstants.JS_DESTROYED_LISTENERS);
    if (jsListeners == null) {
        return;
    }
    JaggeryContext shared = WebAppManager.sharedJaggeryContext(ctx);
    Context cx = shared.getEngine().enterContext();
    JaggeryContext context = CommonManager.getJaggeryContext();
    if (CommonManager.getJaggeryContext() == null) {
        context = WebAppManager.clonedJaggeryContext(ctx);
        CommonManager.setJaggeryContext(context);
    }
    RhinoEngine engine = context.getEngine();
    ScriptableObject clonedScope = context.getScope();
    JavaScriptProperty session = new JavaScriptProperty("session");
    session.setValue(cx.newObject(clonedScope, "Session", new Object[] { httpSessionEvent.getSession() }));
    RhinoEngine.defineProperty(clonedScope, session);
    for (Object jsListener : jsListeners) {
        CommonManager.getCallstack(context).push((String) jsListener);
        try {
            ScriptReader sr = new ScriptReader(ctx.getResourceAsStream((String) jsListener)) {

                @Override
                protected void build() throws IOException {
                    try {
                        sourceReader = new StringReader(HostObjectUtil.streamToString(sourceIn));
                    } catch (ScriptException e) {
                        throw new IOException(e);
                    }
                }
            };
            engine.exec(sr, clonedScope, null);
        } catch (ScriptException e) {
            log.error(e.getMessage(), e);
        } finally {
            CommonManager.getCallstack(context).pop();
        }
    }
    Context.exit();
}

Example 68 with Context

use of org.mozilla.javascript.Context in project jaggery by wso2.

the class JaggeryShell method enterContext.

/**
 * Enter shell context.
 *
 * @param args argument list of parameters
 * Will need to send empty array to execute expressions.
 */
public static void enterContext(final String[] args) {
    // Associate a new Context with this thread
    final Context context = ContextFactory.getGlobal().enterContext();
    try {
        // Initialize the standard objects (Object, Function, etc.)
        // This must be done before scripts can be executed.
        final JaggeryShell shell = new JaggeryShell();
        context.initStandardObjects(shell);
        // Define some global functions particular to the shell. Note
        // that these functions are not part of ECMA.
        final String[] names = { CMD_QUIT, CMD_VERSION, CMD_HELP };
        shell.defineFunctionProperties(names, JaggeryShell.class, ScriptableObject.DONTENUM);
        final String[] optionArgs = processOptions(context, args);
        // Set up "arguments" in the global scope to contain the command
        // line arguments after the name of the script to execute
        Object[] array;
        if (optionArgs.length == 0) {
            array = new Object[0];
        } else {
            final int length = optionArgs.length - 1;
            array = new Object[length];
            System.arraycopy(optionArgs, 1, array, 0, length);
        }
        final Scriptable argsObj = context.newArray(shell, array);
        shell.defineProperty("arguments", argsObj, ScriptableObject.DONTENUM);
        shell.processSource(context, optionArgs.length == 0 ? null : optionArgs[0]);
    } finally {
        Context.exit();
    }
}

Example 69 with Context

use of org.mozilla.javascript.Context in project druid by druid-io.

the class JavaScriptPostAggregator method compile.

private static Function compile(String function) {
    final ContextFactory contextFactory = ContextFactory.getGlobal();
    final Context context = contextFactory.enterContext();
    context.setOptimizationLevel(JavaScriptConfig.DEFAULT_OPTIMIZATION_LEVEL);
    final ScriptableObject scope = context.initStandardObjects();
    final org.mozilla.javascript.Function fn = context.compileFunction(scope, function, "fn", 1, null);
    Context.exit();
    return new Function() {

        @Override
        public double apply(Object[] args) {
            // ideally we need a close() function to discard the context once it is not used anymore
            Context cx = Context.getCurrentContext();
            if (cx == null) {
                cx = contextFactory.enterContext();
            }
            return Context.toNumber(fn.call(cx, scope, scope, args));
        }
    };
}

Example 70 with Context

use of org.mozilla.javascript.Context in project scriptographer by scriptographer.

the class MapAdapter method put.

public Object put(Object key, Object value) {
    // Wrap the value if it is not already
    if (value != null && !(value instanceof Scriptable)) {
        Context cx = Context.getCurrentContext();
        value = cx.getWrapFactory().wrap(cx, object, value, value.getClass());
    }
    Object prev = get(key);
    if (key instanceof Integer)
        object.put(((Integer) key).intValue(), object, value);
    else if (key instanceof String)
        object.put((String) key, object, value);
    else
        prev = null;
    return prev;
}