Package javax.script

Examples of javax.script.ScriptEngine.eval()

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          if (attributes != null) {
            Bindings bindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);
            for (Map.Entry<String, Object> entry : attributes.entrySet())
              bindings.put(entry.getKey(), entry.getValue());
          }
      Object ret = engine.eval(part);
      if (ret != null) {
        out.append(ret);
      }
    } catch (ScriptException e) {
      log().d(e,part);
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            String js = sqlSB.toString();
            // end
            ScriptEngineManager mgr = new ScriptEngineManager();
            ScriptEngine engine = mgr
                    .getEngineByMimeType("application/javascript");
            engine.eval(js);
            Invocable inv = (Invocable) engine;
            s = (String) inv.invokeFunction("P", uin, ptwebqq);
        } catch (Exception e) {
            e.printStackTrace();
        }
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   * @throws ScriptException if the script is not valid javascript text
   */
  public static Object eval(String jscript) throws ScriptException{
    final ScriptEngineManager manager = new ScriptEngineManager();
      final ScriptEngine engine = manager.getEngineByName("js");
      return engine.eval(jscript);
  }
}
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        final ScriptEngineManager factory = new ScriptEngineManager();
        // create JavaScript engine
        final ScriptEngine engine = factory.getEngineByName("JavaScript");
        // evaluate JavaScript code from given file - specified by first argument
        //System.out.println(script);
        return engine.eval(script);
  }
  public static NativeObject parseJSON(String json)throws Exception{
    return (NativeObject)evalJS("eval('("+json+")')");
  }
  public static Object getJSONproperty(String jsonText,String property) throws Exception{
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        final Vertex utf8Name = g.addVertex(T.id, "2", "name", "轉注", "age", 32);

        final ScriptEngine engine = new GremlinGroovyScriptEngine();

        engine.put("g", g);
        Traversal eval = (Traversal) engine.eval("g.V().has('name', 'marko')");
        assertEquals(nonUtf8, eval.next());
        eval = (Traversal) engine.eval("g.V().has('name','轉注')");
        assertEquals(utf8Name, eval.next());
    }
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        final ScriptEngine engine = new GremlinGroovyScriptEngine();

        engine.put("g", g);
        Traversal eval = (Traversal) engine.eval("g.V().has('name', 'marko')");
        assertEquals(nonUtf8, eval.next());
        eval = (Traversal) engine.eval("g.V().has('name','轉注')");
        assertEquals(utf8Name, eval.next());
    }

    public static class DenyAll extends GroovyValueFilter {
        public Object filter(final Object o) { throw new SecurityException("Denied!"); }
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        final ScriptEngine engine = new GremlinGroovyScriptEngine();
        final List list = new ArrayList();
        engine.put("g", g);
        engine.put("list", list);
        assertEquals(list.size(), 0);
        engine.eval("g.v(1).out().fill(list)");
        assertEquals(list.size(), 3);
    }

    @Test
    @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
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    @Test
    @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
    public void shouldLoadImports() throws Exception {
        final ScriptEngine engineNoImports = new GremlinGroovyScriptEngine(new NoImportCustomizerProvider());
        try {
            engineNoImports.eval("Vertex.class.getName()");
            fail("Should have thrown an exception because no imports were supplied");
        } catch (Exception se) {
            assertTrue(se instanceof ScriptException);
        }
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            assertTrue(se instanceof ScriptException);
        }

        final ScriptEngine engineWithImports = new GremlinGroovyScriptEngine(new DefaultImportCustomizerProvider());
        engineWithImports.put("g", g);
        assertEquals(Vertex.class.getName(), engineWithImports.eval("Vertex.class.getName()"));
        assertEquals(2l, engineWithImports.eval("g.V().has('age',Compare.gt,30).count().next()"));
        assertEquals(Direction.IN, engineWithImports.eval("Direction.IN"));
        assertEquals(Direction.OUT, engineWithImports.eval("Direction.OUT"));
        assertEquals(Direction.BOTH, engineWithImports.eval("Direction.BOTH"));
    }
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        }

        final ScriptEngine engineWithImports = new GremlinGroovyScriptEngine(new DefaultImportCustomizerProvider());
        engineWithImports.put("g", g);
        assertEquals(Vertex.class.getName(), engineWithImports.eval("Vertex.class.getName()"));
        assertEquals(2l, engineWithImports.eval("g.V().has('age',Compare.gt,30).count().next()"));
        assertEquals(Direction.IN, engineWithImports.eval("Direction.IN"));
        assertEquals(Direction.OUT, engineWithImports.eval("Direction.OUT"));
        assertEquals(Direction.BOTH, engineWithImports.eval("Direction.BOTH"));
    }
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