/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ import org.mozilla.javascript.Context; import org.mozilla.javascript.Function; import org.mozilla.javascript.Scriptable; /** * RunScript3: Example of using JavaScript objects * * Collects its arguments from the command line, executes the * script, and then ... * * @author Norris Boyd */ public class RunScript3 { public static void main(String args[]) { Context cx = Context.enter(); try { Scriptable scope = cx.initStandardObjects(); // Collect the arguments into a single string. String s = ""; for (int i=0; i < args.length; i++) { s += args[i]; } // Now evaluate the string we've collected. We'll ignore the result. cx.evaluateString(scope, s, "", 1, null); // Print the value of variable "x" Object x = scope.get("x", scope); if (x == Scriptable.NOT_FOUND) { System.out.println("x is not defined."); } else { System.out.println("x = " + Context.toString(x)); } // Call function "f('my arg')" and print its result. Object fObj = scope.get("f", scope); if (!(fObj instanceof Function)) { System.out.println("f is undefined or not a function."); } else { Object functionArgs[] = { "my arg" }; Function f = (Function)fObj; Object result = f.call(cx, scope, scope, functionArgs); String report = "f('my args') = " + Context.toString(result); System.out.println(report); } } finally { Context.exit(); } } }