14 questions
0
votes
1
answer
180
views
Can not call javascript rosnode module from java
I am trying to create a web application(in java) that can communicate with a ros server. Therefore I use the rosnode module.
For the website I use vaadin.
My problem is that I do not know how to call/...
- 359
2
votes
0
answers
457
views
Running Kotlin Scripts (.kts) with bindings from IntelliJ - unresolved reference: bindings
I am trying to run .kts scripts (using Script Engine) from a Kotlin program.
The Kotlin scripts reside in the resource folder of the project and normally they have support for auto-completion, IDE ...
- 13k
1
vote
0
answers
273
views
Using pandas and other libraries with Java's ScriptEngine
I'm running Python through Java's Scripting Engine. The basic hello world is working well, but it fails when I import pandas in the python script.
StringWriter stringWriter = new StringWriter();
...
- 850
0
votes
1
answer
1k
views
How in Java do I inject code during execution time?
I'm working on a java spring app which I need to provide the ability to add new code without altering standard code.
My challenges:
Store "custom" code in a database
Inject code at execution time ...
- 41
2
votes
1
answer
322
views
String expression interpolation support in java scripting engines
I'm using groovy/nashorn as java engine but not able to interpolate Strings.
jdk.nashorn.api.scripting.NashornScriptEngine scriptEngine =(NashornScriptEngine) factory.getEngineByName("nashorn");
...
- 953
-2
votes
1
answer
106
views
Is there a way to run consecutive commands in python from Java? [duplicate]
What I want to do is, I have a semantic parser written in Java, and this semantic parser will output one-liner code in Python (string). And I want to make this consecutively. Methods I searched are ...
1
vote
1
answer
251
views
How to get OSGiScriptEngineManager running
I'm not quite a total newbie to OSGi, but apparently newbie enough.
What I want to do is write an OSGi (Apache Felix) bundle and use the Java scripting API (JSR-223) with for example Groovy. For ...
- 2,680
5
votes
1
answer
1k
views
Nashorn: JavaScript expression evaluation throws class cast exception for function exposed using lambda
I have a following class with one variable of type Long
package com.nm.poc;
public class JSLong{
private Long longValue;
public Long getLongValue() {
return longValue;
}
public void ...
- 97
0
votes
1
answer
1k
views
If I bind an object of one of my classes to a scripting engine, how can I access it as an object of that class from withing the scripting engine?
I want to be able to pass an object into ScriptEngine via put() and be able to access its properties and methods from within the scripting engine.
e.g
public class MyClass {
String getName() { ...
- 8,613
30
votes
4
answers
70k
views
How can I determine if a variable exists from within the Groovy code running in the Scripting Engine?
How can I determine if a variable exists from within the Groovy code running in the Scripting Engine?
The variable was put by ScriptEngine's put method
- 8,613
0
votes
1
answer
402
views
Calling java script files synchronously failing in Microsoft Edge browser.
I have abc.html page in which i am calling two javascript files as below in the head tag:-
<head>
<script src="script_files/1.js"></script>
<script src="script_files/2.js">...
- 735
1
vote
2
answers
3k
views
ScriptEngine with name "nashorn" is null
I'm trying to create ScriptEngine with name "nashorn":
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("nashorn");
if (engine == null) {
...
- 3,751
0
votes
1
answer
460
views
Manipulating HTML nodes with java javascript scripting API
I'm using the Java Scripting API which is working quite well. Now I have a function where I want to get all <a> tags from a String and then add/remove attributes before returning the ...
- 3,371
1
vote
1
answer
1k
views
Rhino: Ability to pause, save state and resume javascript
I'm using Rhino to interpret javascripts by Java. My use case requires these javascripts making (multiple) service calls (RESTful/Webservices/HTTP GET/POST). Some of these service calls are async in ...
- 71