mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 12:15:51 +00:00
985134c0ed
2. Reorganizing execIdCall in few classes inherited from IdScriptableObject to shrink code size.
98 lines
3.6 KiB
Java
98 lines
3.6 KiB
Java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is Rhino code, released
|
|
* May 6, 1998.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1997-1999 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the
|
|
* terms of the GNU Public License (the "GPL"), in which case the
|
|
* provisions of the GPL are applicable instead of those above.
|
|
* If you wish to allow use of your version of this file only
|
|
* under the terms of the GPL and not to allow others to use your
|
|
* version of this file under the NPL, indicate your decision by
|
|
* deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this
|
|
* file under either the NPL or the GPL.
|
|
*/
|
|
|
|
import org.mozilla.javascript.*;
|
|
|
|
/**
|
|
* Example of controlling the JavaScript execution engine.
|
|
*
|
|
* We evaluate a script and then manipulate the result.
|
|
*
|
|
*/
|
|
public class Control {
|
|
|
|
/**
|
|
* Main entry point.
|
|
*
|
|
* Process arguments as would a normal Java program. Also
|
|
* create a new Context and associate it with the current thread.
|
|
* Then set up the execution environment and begin to
|
|
* execute scripts.
|
|
*/
|
|
public static void main(String[] args)
|
|
{
|
|
Context cx = Context.enter();
|
|
try {
|
|
// Set version to JavaScript1.2 so that we get object-literal style
|
|
// printing instead of "[object Object]"
|
|
cx.setLanguageVersion(Context.VERSION_1_2);
|
|
|
|
// Initialize the standard objects (Object, Function, etc.)
|
|
// This must be done before scripts can be executed.
|
|
Scriptable scope = cx.initStandardObjects();
|
|
|
|
// Now we can evaluate a script. Let's create a new object
|
|
// using the object literal notation.
|
|
Object result = cx.evaluateString(scope, "obj = {a:1, b:['x','y']}",
|
|
"MySource", 1, null);
|
|
|
|
Scriptable obj = (Scriptable) scope.get("obj", scope);
|
|
|
|
// Should print "obj == result" (Since the result of an assignment
|
|
// expression is the value that was assigned)
|
|
System.out.println("obj " + (obj == result ? "==" : "!=") +
|
|
" result");
|
|
|
|
// Should print "obj.a == 1"
|
|
System.out.println("obj.a == " + obj.get("a", obj));
|
|
|
|
Scriptable b = (Scriptable) obj.get("b", obj);
|
|
|
|
// Should print "obj.b[0] == x"
|
|
System.out.println("obj.b[0] == " + b.get(0, b));
|
|
|
|
// Should print "obj.b[1] == y"
|
|
System.out.println("obj.b[1] == " + b.get(1, b));
|
|
|
|
// Should print {a:1, b:["x", "y"]}
|
|
Function fn = (Function) ScriptableObject.getProperty(obj, "toString");
|
|
System.out.println(fn.call(cx, scope, obj, new Object[0]));
|
|
} finally {
|
|
Context.exit();
|
|
}
|
|
}
|
|
|
|
}
|
|
|