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1 package com.calipso.xmleditor;
2
3 import org.w3c.dom.Document  ;
4 import org.w3c.dom.Element ;
5 import org.apache.xerces.dom.DocumentImpl;
6 import org.apache.xml.serialize.OutputFormat;
7 import org.apache.xml.serialize.XMLSerializer;
8
9 import javax.swing.tree.DefaultTreeModel ;
10 import java.util.Vector ;
11 import java.util.Enumeration ;
12 import java.io.*;
13
14
21
22 public class XmlEditorXmlGenerator {
23
24 private static String outputPath;
25
26 public XmlEditorXmlGenerator(DefaultTreeModel model, String fileName) throws XmlEditorException{
27 this.outputPath = fileName;
28 generateFrom(model, fileName);
29 }
30
31
37 public static void generateFrom(DefaultTreeModel model, String fileName) throws XmlEditorException{
38 outputPath = fileName;
39 Document document = new DocumentImpl();
40 XmlEditorTreeModelNode modelNode = (XmlEditorTreeModelNode) model.getRoot();
41 Element element = document.createElement(modelNode.getUserObject().toString());
42 XmlEditorTreeModelNode rootSpecs = getRootSpecs(modelNode.children());
43 document.appendChild(element);
44 fillElementFrom(rootSpecs.getAttributes(), rootSpecs.getAttributeNames(), element);
45 generateFrom(modelNode.children(), element, document, rootSpecs);
46 printOutputFrom(document, rootSpecs);
47 }
48
49 private static XmlEditorTreeModelNode getRootSpecs(Enumeration children) {
50 while(children.hasMoreElements()) {
51 XmlEditorTreeModelNode modelNode = (XmlEditorTreeModelNode) children.nextElement();
52 if(modelNode.isLeaf()) {
53 return modelNode;
54 }
55 }
56 return null;
57 }
58
59 private static void printOutputFrom(Document document, XmlEditorTreeModelNode rootSpecs) throws XmlEditorException{
60 OutputFormat format = new OutputFormat(document,"ISO-8859-1", true);
61 if(outputPath.equalsIgnoreCase("")) {
62 outputPath = System.getProperty("user.dir") + rootSpecs.getAttributes().elementAt(rootSpecs.getAttributeNames().indexOf("Id")).toString();
63 }
64 try {
65 XMLSerializer serial = new XMLSerializer(new FileOutputStream(getFileFrom(outputPath)), format);
66 serial.serialize(document);
67 } catch (IOException e) {
68 throw new XmlEditorException(e);
69 }
70 }
71
72 private static File getFileFrom(String outputPath) {
73 File file;
74 if(outputPath.endsWith(".xml")) {
75 file = new File(outputPath);
76 } else {
77 file = new File(outputPath + ".xml");
78 }
79 return file;
80 }
81
82 private static void generateFrom(Enumeration childrens, Element element, Document document, XmlEditorTreeModelNode rootSpec) {
83 while(childrens.hasMoreElements()) {
84 XmlEditorTreeModelNode modelNode = (XmlEditorTreeModelNode) childrens.nextElement();
85 if(modelNode != rootSpec) {
86 for(int i = 0 ; i < modelNode.getChildCount() ; i++) {
87 XmlEditorTreeModelNode child = (XmlEditorTreeModelNode) modelNode.getChildAt(i);
88 if(child.getAttributes().size() > 0 && child.isLeaf()) {
89 Element newElement = document.createElement(modelNode.getUserObject().toString());
90 fillElementFrom(child.getAttributes(), child.getAttributeNames(), newElement);
91 element.appendChild(newElement);
92 } else if(!child.isLeaf()){
93 Element newElement = document.createElement(modelNode.getUserObject().toString());
94 element.appendChild(newElement);
95 generateFrom(modelNode.children(), newElement, document, rootSpec);
96 }
97 }
98 }
99 }
100 }
101
102 private static void fillElementFrom(Vector attributes, Vector attrNames, Element element) {
103 for(int i = 0 ; i < attributes.size() ; i++) {
104 element.setAttribute(attrNames.elementAt(i).toString(), attributes.elementAt(i).toString());
105 }
106 }
107 }
108 |
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