Hi there, was directed to this list to report an error with Nashorn's implementation of javax.script.ScriptEngineFactory.getOutputStatement(String toDisplay).
The test is simple: one supplies a string, containing double quotes, and immediately use the Nashort script engine to carry out the output statement produced by its factory, yielding a runtime error. In order for you to reproduce, I list the Java utility (it lists all available javax.script engines and tests them with the -t switch and is a little example of how one can take advantage of javax.script very easily) after my signature below to study the code and run it to double-check: F:\work\svn\bsf4oorexx\trunk\samples\Java\jsr223>java RunScript -t ---> language [ECMAScript]: ----------------------------------------> 1) output statement to process: hello world, this is "ECMAScript" speaking! --> testing getOutputStatement(String), produced the following [ECMAScript] output statement *print(hello world, this is "ECMAScript" speaking! )* ... now running "eval(code)" using the scripting engine [ECMAScript]: *javax.script.ScriptException: <eval>:1:12 Expected , but found world print(hello world, this is "ECMAScript" speaking! ) ^ in <eval> at line number 1 at column number 12 while eval() the code: print(hello world, this is "ECMAScript" speaking! )* 2) testing getMethodCallSyntax(obj, meth, arg...), produced the following [ECMAScript] method call statement: object.method(arg1,arg2) 3) testing getProgram(String...) produced the following [ECMAScript] program: print(hello world, this is "ECMAScript" speaking! );object.method(arg1,arg2); <--- end of testing language [ECMAScript]. <---------------------------------------- ---> language [ooRexx]: ----------------------------------------> ... cut ... The specification for javax.script created by the Java specification request group 223 (a.k.a. JSR-223) can be consulted. BTW, "jrunscript[.exe]" (from the JDK) seems to be broken, it only is be able to execute the Nashorn script engine, despite switches that allow other script engines to be employed. ---rony Code of "RunScript.java" (little utility to list the currently available javax.script languages, run any javax.script program, give helpful information about each javax.script engine and test each one using its own factory means): just compile it and run it with "java RunScript -t": ------------------ cut here ------------------ import java.io.File; import java.io.FileReader; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.HashMap; import java.util.SortedSet; import java.util.TreeSet; import javax.script.Bindings; import javax.script.ScriptContext; import javax.script.ScriptEngine; import javax.script.ScriptEngineFactory; import javax.script.ScriptEngineManager; import javax.script.ScriptException; import javax.script.SimpleScriptContext; /* ------------------------ Apache Version 2.0 license ------------------------- Copyright 2015-2016 Rony G. Flatscher Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ----------------------------------------------------------------------------- changed: 2016-12-06, rgf: if no argument is given, show the help after the list of currently available javax.script engines */ /** A command line Java utility to query, test and evaluate {@link javax.script} scripting engines that * gets distributed via the beta BSF4ooRexx package from Sourceforge. * * <p>Usage: <code>java RunScript [{-i | -t | -e enginename filename [args...] | filename [args...]}]</code> * <br> * <ul> * <li> ... no arguments: lists the currently available <code>javax.script</code> engines * * <li> <code>-h</code> ... 'help', lists and briefly explains the command line options * * <li> <code>-i</code> ... lists the available <code>javax.script</code> engines and informs about their properties * * <li> <code>-t</code> ... lists the available <code>javax.script</code> engines and tests evaluating their factory's <code>"getOutputStatement(String)"</code> method * * <li> <code>-e enginename filename [args...]</code> ... uses <code>"enginename"</code> to evaluate <code>"filename"</code> supplying the arguments <code>"args..."</code> * * <li> <code>filename [args...]</code> ... the <code>"filename"</code> extension determines the script engine to evaluate it, supplying the arguments <code>"args..."</code> * </ul> * * * @author Rony G. Flatscher * @since 2015-05-20 */ public class RunScript { public static void main(String args[]) { ScriptEngineManager manager = new ScriptEngineManager(); List<ScriptEngineFactory> factories = manager.getEngineFactories(); HashMap<String,ScriptEngineFactory> n2sef=new HashMap<String,ScriptEngineFactory> (); HashMap<String,ScriptEngine> n2se =new HashMap<String,ScriptEngine> (); // create the Maps for (ScriptEngineFactory factory : factories) { String name=factory.getLanguageName(); // String name=factory.getEngineName(); n2sef.put(name, factory); n2se .put(name, factory.getScriptEngine()); } // create a sorted set of key names SortedSet<String> keys = new TreeSet<String>(n2sef.keySet()); int argsStartAt=-1; // arguments - if any - for filenmae to execute start at this position ScriptEngine scriptEngineToUse=null; String filename=null; if (args.length==0) // list all available javax.script engines { System.out.println("The following javax.script engines are currently available:\n"); for (String key : keys) { System.out.println('\t'+key); } System.out.println(); showHelp(); return; } else // process the first argument to decide what we need to do { String firstWord=args[0]; // get first value if (firstWord.startsWith("-")==true) // a switch at hand! { if (firstWord.length()!=2) // oops an error, we need excactly two chars (-i, -t, -e) { throw new IllegalArgumentException("switch '-' must be followed by one of the letters 'i', 't', or 'e'"); } String uSwitch=firstWord.substring(1).toUpperCase(); // get switch in uppercase if (uSwitch.equals("I")) // list all engines, list all their standard properties { for (String key : keys) // list all engines in order{ { showEngineProperties(key, n2sef.get(key)); } return; } else if (uSwitch.equals("T")) // list all engines, test them { for (String key : keys) // list all engines in order{ { testEngine(key, n2sef.get(key), n2se.get(key)); } return; } else if (uSwitch.equals("H")) // -h ... help text { showHelp(); return; } else if (uSwitch.equals("E")) // -e engineName fileName [arg... ] { if (args.length<3) { throw new IllegalArgumentException("too few command line arguments ("+args.length+"), minimum needed is 3: \"-e enginename filename\""); } // check whether engine is available, if so, then load it filename=args[2]; // assign filename String errMsg="no \""+args[1]+"\" javax.script engine available"; try { scriptEngineToUse=manager.getEngineByName(args[1]); // fetch script engine } catch (Exception exc) { throw new IllegalArgumentException(errMsg); } if (scriptEngineToUse==null) { throw new IllegalArgumentException(errMsg); } argsStartAt=3; // fourth argument! } else // unknown switch { throw new IllegalArgumentException("unknown switch '"+firstWord+"', must be followed by one of '-h', '-i', '-t', or '-e'"); } } else // a filename in hand, check whether we have a suitable engine available { // - check whether suitable engine is available, if not raise an exception filename=args[0]; // assign filename int lastIdx=filename.lastIndexOf('.'); if (lastIdx==0) { throw new IllegalArgumentException("filename \"filename\" does not have an extension, cannot determine scripting engine"); } String errMsg="cannot determine scripting engine from the filename extension in \""+filename+"\""; try { String extension=filename.substring(lastIdx+1); // get extension scriptEngineToUse=manager.getEngineByExtension(extension); // fetch script engine } catch (Exception exc) // if substring() causes an exception { throw new IllegalArgumentException(errMsg); } if (scriptEngineToUse==null) // no scripting engine found { throw new IllegalArgumentException(errMsg); } argsStartAt=1; // second argument! } } // now setup the remainder and eval() the "filename" with the script engine // - check whether file exists, if not raise an exception File f=null; try { f=new File (filename); } catch (Exception exc) { throw new IllegalArgumentException(exc); } if (f.exists()==false) { throw new IllegalArgumentException("filename \""+filename+"\" does not exist"); } // - supply filename ScriptContext sc=scriptEngineToUse.getContext(); // get the default context sc.setAttribute(ScriptEngine.FILENAME, filename, ScriptContext.ENGINE_SCOPE); // - if arguments, setup ARGV in ENGINE_SCOPE if (args.length>argsStartAt) // do we have command line arguments to supply? { String argArr []=new String [args.length-argsStartAt]; // determine array size int k=0; for (int i=argsStartAt; i<args.length; i++, k++) { argArr[k]=args[i]; } sc.setAttribute(ScriptEngine.ARGV, argArr, ScriptContext.ENGINE_SCOPE); } // - eval the script try { scriptEngineToUse.eval(new FileReader(f)); } catch (Exception exc) { throw new IllegalArgumentException(exc); } } // show information about the script engine static void showEngineProperties(String name, ScriptEngineFactory sef) { System.out.println(name); System.out.print ("\tgetEngineName() : "); try { System.out.println(sef.getEngineName() ); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetEngineVersion() : "); try { System.out.println(sef.getEngineVersion() ); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetExtensions() : "); try { System.out.println(sef.getExtensions ()); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetLanguageName() : "); try { System.out.println(sef.getLanguageName () ); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetLanguageVersion() : "); try { System.out.println(sef.getLanguageVersion()); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetMimeTypes() : "); try { System.out.println(sef.getMimeTypes ()); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetNames() : "); try { System.out.println(sef.getNames() ); } catch (Exception e) { System.out.println("--> FAILED!"); } System.out.print ("\tgetParameter(\"THREADING\"): "); try { System.out.println(sef.getParameter("THREADING")); } catch (Exception e) { System.out.println("--> FAILED!"); } } // create an output statement and execute output statement for each available script engine static void testEngine(String name, ScriptEngineFactory sef, ScriptEngine se) { System.out.println("---> language ["+name+"]: ---------------------------------------->\n"); String text="hello world, this is \""+name+"\" speaking! "; String code=sef.getOutputStatement(text); System.out.println("\t1) output statement to process: "+text+"\n"); System.out.print("\t--> testing getOutputStatement(String)"); System.out.println(", produced the following ["+name+"] output statement \n\n"+code+"\n"); System.out.println("\t... now running \"eval(code)\" using the scripting engine ["+name+"]: \n\n"); try { se.eval(code); System.out.println("\n"); } catch (ScriptException sexc) { System.err.println(sexc+" while eval() the code: "+code+"\n"); } System.out.print("\t2) testing getMethodCallSyntax(obj, meth, arg...)"); String methCode=sef.getMethodCallSyntax("object", "method", "arg1", "arg2"); System.out.println(", produced the following ["+name+"] method call statement: \n\n"+methCode+"\n"); System.out.print("\t3) testing getProgram(String...)"); String programCode=sef.getProgram(code, methCode); System.out.println(" produced the following ["+name+"] program: \n\n"+programCode+"\n"); System.out.println("<--- end of testing language ["+name+"]. <----------------------------------------\n"); } // allow us to call this from different parts static void showHelp() { System.out.println("usage: java RunScript [{-i | -t | -e enginename filename [args...] | filename [args...]}]\n"); System.out.println(" ... no arguments lists the available javax.script engines"); System.out.println(" -h ... 'help', gives this usage text"); System.out.println(" -i ... lists the available javax.script engines and informs about their properties"); System.out.println(" -t ... lists the available javax.script engines and tests evaluating their \"getOutputStatement(String)\" method"); System.out.println(" -e enginename filename [args...] ... uses \"enginename\" to evaluate \"filename\" supplying the arguments \"args...\""); System.out.println(" filename [args...] ... the \"filename\" extension determines the script engine to evaluate it, supplying the arguments \"args...\""); return; } } ------------------ cut here ------------------