traverse Array - Android java.lang

Android examples for java.lang:array filter

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Description

traverse Array

Demo Code


//package com.java2s;

import java.util.Arrays;

public class Main {

    private static void traverseArray(StringBuilder result, Object object) {
        if (!isArray(object)) {
            result.append(object.toString());
            return;
        }/*from  w  w  w .ja  va  2s .  c  om*/
        if (getArrayDimension(object) == 1) {
            switch (getType(object)) {
            case 'I':
                result.append(Arrays.toString((int[]) object)).append("\n");
                return;
            case 'D':
                result.append(Arrays.toString((double[]) object)).append(
                        "\n");
                return;
            case 'Z':
                result.append(Arrays.toString((boolean[]) object)).append(
                        "\n");
                return;
            case 'B':
                result.append(Arrays.toString((byte[]) object))
                        .append("\n");
                return;
            case 'S':
                result.append(Arrays.toString((short[]) object)).append(
                        "\n");
                return;
            case 'J':
                result.append(Arrays.toString((long[]) object))
                        .append("\n");
                return;
            case 'F':
                result.append(Arrays.toString((float[]) object)).append(
                        "\n");
                return;
            case 'L':
                result.append(Arrays.toString((Object[]) object)).append(
                        "\n");
                return;
            default:
                return;
            }
        }
        for (int i = 0; i < ((Object[]) object).length; i++) {
            traverseArray(result, ((Object[]) object)[i]);
        }
    }

    public static String traverseArray(Object object) {
        StringBuilder result = new StringBuilder();
        traverseArray(result, object);
        return result.toString();
    }

    public static boolean isArray(Object object) {
        return object.getClass().isArray();
    }

    public static int getArrayDimension(Object objects) {
        int dim = 0;
        for (int i = 0; i < objects.toString().length(); ++i) {
            if (objects.toString().charAt(i) == '[') {
                ++dim;
            } else {
                break;
            }
        }
        return dim;
    }

    public static char getType(Object object) {
        if (isArray(object)) {
            String str = object.toString();
            return str.substring(str.lastIndexOf("[") + 1,
                    str.lastIndexOf("[") + 2).charAt(0);
        }
        return 0;
    }
}

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