Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Main {
    public static String start = "<![CDATA[";
    public static String end = "]]>";

    public static Map<String, Object> toMap(String xml) {
        Map<String, Object> m = new HashMap<>();
        m.put("attributes", getAttributes(xml));
        m.put("element name", getWrapperName(xml));
        if (getWrapperValue(xml).indexOf("<") == -1) {
            m.put(getWrapperName(xml), getWrapperValue(xml));
            return m;
        }
        xml = getWrapperValue(xml);
        List<String> split = split(xml);
        for (String s : split) {
            String value = getWrapperValue(s);
            String name = getWrapperName(s);
            if (!value.startsWith("<") && !value.startsWith(start)) {
                m.put(name, value);
            } else if (value.startsWith(start)) {
                m.put(name, replaceEscape(value));
            } else if (value.startsWith("<") && !isList(value)) {
                m.put(name, toMap(s));
            } else if (isList(value)) {
                m.put(name, toList(value));
            }
        }
        return m;
    }

    private static Map<String, String> getAttributes(String xml) {
        String s = xml.substring(xml.indexOf("<") + 1, xml.indexOf(">"));
        String[] ss = s.split(" ");
        if (ss.length == 1) {
            return null;
        }
        Map<String, String> m = new HashMap<>();
        for (int i = 1; i < ss.length; i++) {
            String s0 = ss[i].trim();
            if (!s0.isEmpty()) {
                m.put(s0.split("=")[0], delQuot(s0.split("=")[1]));
            }
        }
        return m;
    }

    private static String getWrapperName(String xml) {
        return xml.substring(xml.indexOf("<") > -1 ? (xml.indexOf("<") + 1) : 0,
                xml.indexOf(">") > -1 ? xml.indexOf(">") : xml.length()).split(" ")[0];
    }

    private static String getWrapperValue(String xml) {
        return xml.substring(xml.indexOf(">") > -1 ? (xml.indexOf(">") + 1) : 0,
                xml.lastIndexOf("<") > -1 ? xml.lastIndexOf("<") : xml.length());
    }

    private static List<String> split(String xml) {
        int i = 0;
        int left = 0;// <
        int right = 0;// >
        int close = 0;// </ left+close=right;
        char[] cs = xml.toCharArray();
        List<Integer> ls = new ArrayList<Integer>();
        while (i < cs.length) {
            switch (cs[i]) {
            case '<':
                if (i == 0 || xml.indexOf(start, i - 1) != i) {
                    if (cs[i + 1] != '/') {
                        left++;
                    } else {
                        close++;
                    }
                } else if (xml.indexOf(start, i - 1) == i) {
                    i = xml.indexOf(end, i) + 3;
                    continue;
                }
                break;
            case '>':
                if (cs[i - 1] != ']' && cs[i - 2] != ']') {
                    right++;
                }
                if ((left + close) == right && left == close) {
                    ls.add(i);
                }
                break;
            default:
                break;
            }
            i++;
        }
        List<String> ss = new ArrayList<String>();
        if (ls.size() == 0) {
            ss.add(xml);
        } else if (ls.size() == 1) {
            ss.add(xml.substring(0, ls.get(0)));
            ss.add(xml.substring(ls.get(0) + 1));
        } else if (ls.size() > 1) {
            ss.add(xml.substring(0, ls.get(0) + 1));
            for (int j = 0; j < ls.size() - 1; j++) {
                ss.add(xml.substring(ls.get(j) + 1, ls.get(j + 1) + 1));
            }
        }
        return ss;
    }

    private static String replaceEscape(String xml) {
        return xml.substring(xml.indexOf(start) + 9, xml.lastIndexOf(end));
    }

    private static boolean isList(String xml) {
        String n1 = getWrapperName(xml);
        if (xml.indexOf("</" + n1 + ">") == -1) {
            return false;
        } else if (xml.substring(xml.indexOf("</" + n1 + ">")).indexOf("<" + n1 + ">") > -1) {
            return true;
        }
        return false;
    }

    private static List<Object> toList(String xml) {
        List<Object> ls = new ArrayList<>();
        for (String s : split(xml)) {
            if (isList(s)) {
                ls.add(toList(s));
            } else {
                ls.add(toMap(s));
            }
        }
        return ls;
    }

    private static String delQuot(String s) {
        return s.substring(s.indexOf('"') + 1, s.lastIndexOf('"'));
    }
}