XMLTag.java

   1 import java.util.*;
   2
   3 public class XMLTag {
   4     StringBuilder name;
   5     StringBuilder value;
   6     ArrayList<XMLTag> children;
   7     XMLTag parent;
   8     static int depth = 0;
   9
  10     public XMLTag(XMLTag parent) {
  11         this.parent = parent;
  12         children = new ArrayList<XMLTag>();
  13         name = new StringBuilder();
  14         value = new StringBuilder();
  15     }
  16
  17     public String getName() {
  18         return name.toString();
  19     }
  20
  21     public String getValue() {
  22         return value.toString();
  23     }
  24
  25     public void setName(String name) {
  26         this.name = new StringBuilder(name);
  27     }
  28
  29     public void setValue(String value) {
  30         this.value = new StringBuilder(value);
  31     }
  32
  33     public void addNameChar(char c) {
  34         name.append(c);
  35     }
  36
  37     public void addValueChar(char c) {
  38         value.append(c);
  39     }
  40
  41     public void addChild(XMLTag child) {
  42         children.add(child);
  43     }
  44
  45     public void removeChild(XMLTag child) {
  46         children.remove(child);
  47     }
  48
  49     public ArrayList<XMLTag> getChildren() {
  50         return children;
  51     }
  52
  53     public XMLTag getParent() {
  54         return parent;
  55     }
  56
  57     public boolean check() {
  58         if (name.length() == 0) return false;
  59         return true;
  60     }
  61
  62     public void printTree() {
  63         for (XMLTag tag: getChildren()) {
  64             tag.printTreeHelper();
  65         }
  66     }
  67
  68     private static String multiplyChar(char c, int length) {
  69         StringBuilder b = new StringBuilder();
  70         for (int i = 0; i < length; i++) {
  71             b.append(c);
  72         }
  73         return b.toString();
  74     }
  75
  76     private void printTreeHelper() {
  77         System.out.printf("%s%s; ", multiplyChar(' ', 4*depth), getName());
  78         if (getChildren().size() > 0) {
  79             System.out.printf("children: %d; ", getChildren().size());
  80         }
  81         if (getValue().length() > 0) {
  82             System.out.printf("value: %s;", getValue());
  83         }
  84         System.out.println();
  85         depth++;
  86         for (XMLTag tag: getChildren()) {
  87             tag.printTreeHelper();
  88         }
  89         depth--;
  90     }
  91 }