ExecutableScriptEngineFactory.java

package jsr223.nativeshell.executable;

import jsr223.nativeshell.NativeShellRunner;
import jsr223.nativeshell.NativeShellScriptEngine;
import jsr223.nativeshell.cmd.Cmd;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineFactory;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static java.util.Arrays.asList;

public class ExecutableScriptEngineFactory implements ScriptEngineFactory {

    private static final String NAME = "exec";
    private static final String ENGINE = "Executable launcher";
    private static final String ENGINE_VERSION = "1.0";
    private static final String LANGUAGE = "exec";
    private static final String LANGUAGE_VERSION = "1.0";

    private static final Map<String, Object> parameters = new HashMap<String, Object>();

    static {
        parameters.put(ScriptEngine.NAME, NAME);
        parameters.put(ScriptEngine.ENGINE, ENGINE);
        parameters.put(ScriptEngine.ENGINE_VERSION, ENGINE_VERSION);
        parameters.put(ScriptEngine.LANGUAGE, LANGUAGE);
        parameters.put(ScriptEngine.LANGUAGE_VERSION, LANGUAGE_VERSION);
    }

    @Override
    public String getEngineName() {
        return NAME;
    }

    @Override
    public String getEngineVersion() {
        return ENGINE_VERSION;
    }

    @Override
    public List<String> getExtensions() {
        return asList("bat");
    }

    @Override
    public List<String> getMimeTypes() {
        return asList("application/x-exe");
    }

    @Override
    public List<String> getNames() {
        return asList("exec", "native", "cli", "commandline");
    }

    @Override
    public String getLanguageName() {
        return LANGUAGE;
    }

    @Override
    public String getLanguageVersion() {
        return LANGUAGE_VERSION;
    }

    @Override
    public Object getParameter(String key) {
        return parameters.get(key);
    }

    @Override
    public String getMethodCallSyntax(String obj, String m, String... args) {
        String methodCall = m + " ";
        for (String arg : args) {
            methodCall += arg + " ";
        }
        return methodCall;
    }

    @Override
    public String getOutputStatement(String toDisplay) {
        return toDisplay;
    }

    @Override
    public String getProgram(String... statements) {
        return statements[0];
    }

    @Override
    public ScriptEngine getScriptEngine() {
        return new ExecutableScriptEngine();
    }
}