j2se练习 xml 解析

package com.wy.parserpc; import java.util.Stack; public class ParseRpc { public static void main(String[] args) { String input = "{struct:ui={array:{int:35},{struct:bf=bf,t6=r4},{string:v4},{string:v3},n},cb={int:33},aa={struct:ec=vb},cc={int:33},ee=ff,df={struct:kk={struct:vv={struct:nn=rr}}}}"; process(input); } public static void process(String target) { StringBuilder result = new StringBuilder(); Stack<Parser> typeStack = new Stack<Parser>(); StringBuilder temp = new StringBuilder(); for (int i = 0; i < target.length(); i++) { char ch = target.charAt(i); switch (ch) { case '{': break; case ':': typeStack.push(ParserFactory.getParser(temp.toString().trim())); temp.delete(0, temp.length()); break; case '}': Parser parser = typeStack.pop(); if (typeStack.isEmpty()) { parser.process(ch, temp.toString().trim()); result.append(parser.getResult()); } else { parser.process(ch, temp.toString().trim()); typeStack.peek().temp = parser.getResult(); } temp.delete(0, temp.length()); break; case ',': Parser parserL = typeStack.peek(); parserL.process(ch, temp.toString().trim()); temp.delete(0, temp.length()); break; case '=': Parser parserE = typeStack.peek(); parserE.process(ch, temp.toString().trim()); temp.delete(0, temp.length()); break; default: temp.append(ch); } } System.out.println(result.toString()); } } class FlagPoint { String value; int index; public FlagPoint(String value, int index) { this.value = value; this.index = index; } public String getValue() { return value; } public void setValue(String value) { this.value = value; } public int getIndex() { return index; } public void setIndex(int index) { this.index = index; } } class ParserFactory { public static Parser getParser(String name) { if ("int".equals(name)) { return new IntParser("int"); } else if ("string".equals(name)) { return new StringParser("string"); } else if ("struct".equals(name)) { return new StructParser("struct"); } else { return new ArrayParser("array"); } } }