Java Utililty Methods Script

List of utility methods to do Script

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Description

The list of methods to do Script are organized into topic(s).

Method

voidaddAttribute(final ScriptContext context, final String key, final Object value)
add Attribute 
context.setAttribute(key, value, ScriptContext.ENGINE_SCOPE);
StringadjustKey(String key)
adjust Key 
if (key.equals(ScriptEngine.ARGV)) {
    return "ARGV";
if ("ARGV".equals(key)) {
    return ScriptEngine.ARGV;
} else {
    return key;
voidcdInShell(IResource resource)
cd In Shell 
try {
    String containerPath = getParentOfResource(resource).replaceAll(" ", "\\ ");
    String openInTerminalString = "tell application \"Terminal\"\n do script \"cd \\\"" + containerPath
            + "\\\"\"\n activate\nend tell";
    executeAppleScript(openInTerminalString);
} catch (Throwable t) {
    t.printStackTrace();
Objectconvert(Object from)
convert 
if (from instanceof JSObject) {
    if (((JSObject) from).isArray()) {
        return convertArray((Bindings) from);
if (from instanceof Map) {
    return dbObjectFromMap((Map<String, Object>) from);
return from;
BasicDBObjectdbObjectFromMap(Map from)
db Object From Map 
BasicDBObject result = new BasicDBObject();
for (Entry<String, Object> entry : from.entrySet()) {
    result.append(entry.getKey(), convert(entry.getValue()));
return result;
StringdecodeB64_TO_UTF8(String encodedStr)
decode TUTF 
String decodeStr = new String(Base64.getDecoder().decode(encodedStr.getBytes()), "UTF-8");
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("JavaScript");
String result = (String) engine.eval("unescape('" + java.net.URLDecoder.decode(decodeStr, "UTF-8") + "')");
return result;
StringescapeJavascript(String str)
Encoding if need escaping %$&+,/:;=?@<>#% 
try {
    String n = engine.eval(String.format("escape(\"%s\")", str.replaceAll("%20", " "))).toString();
    for (Entry<String, String> e : jsReplaces.entrySet()) {
        n = n.replaceAll(e.getKey(), e.getValue());
    return n;
} catch (ScriptException ex) {
    return null;
...
Objecteval(String expression, Object... arguments)
eval 
ScriptEngineManager engineManager = new ScriptEngineManager();
ScriptEngine engine = engineManager.getEngineByName("JavaScript");
for (int i = 0; i < arguments.length; i++) {
    expression = expression.replaceAll("%" + (i + 1), arguments[i].toString());
return engine.eval(expression);
Objecteval(String name, Map params)
eval 
CompiledScript script = scripts.get(name);
if (script == null) {
    throw new ScriptException("no such methor!");
Bindings b = engine.createBindings();
if (params != null) {
    b.putAll(params);
return script.eval(b);
Stringeval(String script)
eval 
ScriptEngineManager sem = new ScriptEngineManager();
ScriptEngine se = sem.getEngineByName("javascript");
String res = "";
try {
    res = String.valueOf(se.eval(script));
} catch (ScriptException e) {
    e.printStackTrace();
return res;