Java Javascript Mozilla Library mapJSToJava(final Object jsObject)

Description

map JS To Java

License

LGPL

Declaration

public static Object mapJSToJava(final Object jsObject) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import org.mozilla.javascript.NativeArray;

public class Main {
    public static Object mapJSToJava(final Object jsObject) {
        // Most Native* types from Rhino are automatically converted, or
        // something. Arrays, however, definately are not. This code will map
        // JS arrays into Java ones. It tries to use sensible types, as well.

        if (jsObject instanceof NativeArray) {
            final NativeArray ary = (NativeArray) jsObject;
            final int aryLen = (int) ary.getLength();

            final Object[] aryO = new Object[aryLen];
            final String[] aryS = new String[aryLen];
            final boolean[] aryB = new boolean[aryLen];
            final double[] aryN = new double[aryLen];
            boolean isStringArray = true;
            boolean isBooleanArray = true;
            boolean isNumberArray = true;

            for (int i = 0; i < aryLen; i++) {
                final Object item = ary.get(i, ary);

                aryO[i] = mapJSToJava(item);

                if (isStringArray) {
                    if (item instanceof String) {
                        aryS[i] = (String) item;
                    } else {
                        isStringArray = false;
                    }/*www .ja  v a2 s  .c  om*/
                }
                if (isBooleanArray) {
                    if (item instanceof Boolean) {
                        aryB[i] = ((Boolean) item).booleanValue();
                    } else {
                        isBooleanArray = false;
                    }
                }
                if (isNumberArray) {
                    if (item instanceof Number) {
                        aryN[i] = ((Number) item).doubleValue();
                    } else {
                        isNumberArray = false;
                    }
                }
            }

            if (isStringArray) {
                return aryS;
            }
            if (isBooleanArray) {
                return aryB;
            }
            if (isNumberArray) {
                return aryN;
            }
            return aryO;
        }
        return jsObject;
    }
}

Related

1. isVariable(Name name)
2. javaToJS(Object o, Scriptable scope)
3. jsToJava(Object jsObject)
4. jsToJava(Object obj)
5. listToNativeArray(List list)
6. mapToNativeObject(Map map)
7. nativeArrayToString(Object scriptObject)
8. newObject()
9. numberArg(Object[] args, int pos)