Java ScriptObjectMirror.get方法代碼示例

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
public static Object convert(Object original) {
	if (original == null) {
		return null;
	} else if (original instanceof String || original instanceof Integer || original instanceof Long || original instanceof Boolean || original instanceof Double) {
		return original;
	} else if (original instanceof ScriptObjectMirror) {
		ScriptObjectMirror jsOriginal = (ScriptObjectMirror)original;
		if (jsOriginal.isArray()) {
			List<Object> listResult = new ArrayList<Object>();
			Integer length = (Integer)jsOriginal.get("length");
			for (int i = 0; i < length; i++) {
				listResult.add(convert(jsOriginal.get("" + i)));
			}
			return listResult;
		} else if (jsOriginal.isFunction()) {
			// can't convert it...
			return null;
		}
		Map<String,Object> mapResult = new LinkedHashMap<String,Object>();
		for (Map.Entry<String,Object> entry: jsOriginal.entrySet()) {
			mapResult.put(entry.getKey(), convert(entry.getValue()));
		}
		return mapResult;
	}
	return original;
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
private static String getTicketInfoForPassengerForm(String html, String key) throws ScriptException {
    Document document = Jsoup.parse(html);

    Elements elements = document.getElementsByTag("script");
    String jsContent = elements.stream().filter(e -> e.data().contains("ticketInfoForPassengerForm") && e.childNodes().size() > 0)
            .findFirst().map(e -> e.childNode(0).outerHtml()).orElse(StringUtils.EMPTY);
    jsContent = jsContent.substring(0, jsContent.lastIndexOf("var"));

    ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
    ScriptEngine engine = scriptEngineManager.getEngineByExtension("js");
    engine.eval(jsContent);
    ScriptObjectMirror objectMirror = (ScriptObjectMirror) engine.get("ticketInfoForPassengerForm");
    return (String) objectMirror.get(key);
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
private org.antology.db.Node jsToNode(Object object) throws Exception {
    if (object instanceof ScriptObjectMirror) {
        ScriptObjectMirror mirror = (ScriptObjectMirror) object;

        if (mirror.isArray()) {
            List<org.antology.db.Node> list = new LinkedList<>();
            for (int i = 0; i < mirror.size(); i++) {
                list.add(jsToNode(mirror.get(Integer.toString(i))));
            }
            return new Node(Schema.Type.LIST, list);
        } else {
            Map<String, org.antology.db.Node> struct = new HashMap<>();
            for (String key : mirror.getOwnKeys(false)) {
                java.lang.Object value = mirror.get(key);
                struct.put(key, jsToNode(value));
            }
            return new Node(Schema.Type.STRUCT, struct);
        }
    } else if (object instanceof String) {
        return new Node(Schema.Type.STRING, object);
    } else if (object instanceof Integer) {
        return new Node(Schema.Type.INTEGER, object);
    } else if (object instanceof Double) {
        return new Node(Schema.Type.FLOAT, object);
    } else if (object instanceof Boolean) {
        return new Node(Schema.Type.BOOLEAN, object);
    } else {
        throw new Exception("Unknown type " + object.getClass().getName());
    }
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
private static String logMessage(ScriptObjectMirror mirror, int length) {
    final Object first = mirror.get("0");
    if (first instanceof String) {
        final String format = (String) first;
        if (SUBSTITUTIONS.matcher(format).find()) {
            // The first element is a string and it contains substitution(s).
            return logMessageFormat(format, mirror, length);
        }
    }

    // The first element does not contain substitution(s).
    return logMessageSimple(new StringBuilder(64), mirror, 0, length);
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
private static void StringifyObject(Object object, StringBuilder builder, boolean inObjectOrArray) {
	if (object == null) {
		builder.append("null");
	} else if (object instanceof String && inObjectOrArray) {
		builder.append("\"").append(((String) object).replaceAll("\"", "\\\"")).append("\"");
	} else if (object instanceof String) {
		builder.append(object);
	} else if (object instanceof Integer || object instanceof Long || object instanceof Boolean || object instanceof Double) {
		builder.append(object.toString());
	} else if (object instanceof ScriptObjectMirror) {
		ScriptObjectMirror scriptObject = (ScriptObjectMirror)object;
		if (scriptObject.isArray()) {
			builder.append("[");
			Integer length = (Integer) scriptObject.get("length");
			for (int i = 0; i < length; i++) {
				StringifyObject(scriptObject.get("" + i), builder, true);
			}
			builder.append("]");
		} else if (scriptObject.isFunction()) {
			builder.append("[function()]");
		} else {
			builder.append("{");
			boolean isFirst = true;
			for (Map.Entry<String, Object> entry : scriptObject.entrySet()) {
				builder.append(isFirst ? "" : ", ")
						.append("\"")
						.append(entry.getKey())
						.append("\": ");
				StringifyObject(entry.getValue(), builder, true);
				isFirst = false;
			}
			builder.append("}");
		}
	} else {
		builder.append(object.toString());
	}
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
public static Object funcScriptObjectMirror(final ScriptObjectMirror sobj) {
    return sobj.get("foo");
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
public static Object getProp(ScriptObjectMirror context, String prop) {
    return context.get(prop);
}
 

import jdk.nashorn.api.scripting.ScriptObjectMirror; //導入方法依賴的package包/類
public static Object getStaticProp(ScriptEngine engine, String className, String property) {
    ScriptObjectMirror classObject = getClassObject(engine, className);
    return classObject.get(property);
}