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1 package com.calipso.reportgenerator.reportmanager;
2
3 import org.apache.commons.vfs.FileObject;
4
5 import org.w3c.dom.Document  ;
6 import org.w3c.dom.Node ;
7 import org.w3c.dom.NodeList ;
8 import org.w3c.dom.NamedNodeMap ;
9
10 import java.io.*;
11 import java.util.Collection ;
12 import java.util.Vector ;
13 import java.util.Iterator ;
14
15 import javax.xml.parsers.DocumentBuilderFactory ;
16 import javax.xml.parsers.DocumentBuilder ;
17 import javax.xml.transform.Transformer ;
18 import javax.xml.transform.TransformerFactory ;
19 import javax.xml.transform.Result ;
20 import javax.xml.transform.stream.StreamResult ;
21 import javax.xml.transform.dom.DOMSource ;
22
23 import com.calipso.reportgenerator.common.InfoException;
24 import com.calipso.reportgenerator.common.LanguageTraslator;
25
26
33 public class ReportSourceDefinitionVersion {
34
35 public static void validateVersion(FileObject fileObject) throws InfoException{
36 try{
37 File file = new File(fileObject.getName().getPath());
38 if(isOldVersion(file)){
39 transformToNewVersion(file);
40 }
41 }catch (Exception e){
42 throw new InfoException(LanguageTraslator.traslate(""), e);
43 }
44 }
45
46 public static void transformToNewVersion(File file) throws Exception {
47 Node docRoot = getDocRoot(file);
48 Collection collection = getDimensionElements(docRoot);
49 eliminateAllElements(collection, "QUERYCONVERTTOSTRINGPATTERN");
50 writeFile(file, docRoot);
51 }
52
53 private static void writeFile(File file, Node docRoot) throws InfoException{
54 Document document = docRoot.getOwnerDocument();
55 String encoding = document.getDocumentElement().getAttribute("encoding");
56 try{
57 TransformerFactory tFactory = TransformerFactory.newInstance();
58 Transformer transformer = tFactory.newTransformer();
59 DOMSource source = new DOMSource (document);
60
61 Result result = new StreamResult (new FileOutputStream(file));
62 transformer.transform(source, result);
63 System.out.println("ResportSourceDefinition upgraded");
64
68 }catch (Exception e){
69 throw new InfoException(LanguageTraslator.traslate("376"), e);
70 }
71 }
72
73 private static void eliminateAllElements(Collection collection, String elementToEliminate) {
74 for (Iterator iterator = collection.iterator(); iterator.hasNext();) {
75 Node node = (Node ) iterator.next();
76 eliminateElement(node, elementToEliminate);
77 }
78 }
79
80 private static void eliminateElement(Node node, String elementToEliminate) {
81 if(node.hasAttributes()){
82 NamedNodeMap attrs = node.getAttributes();
83 for(int i=0; i < attrs.getLength(); i++){
84 if(attrs.item(i).getNodeName().equalsIgnoreCase(elementToEliminate)){
85 attrs.removeNamedItem(attrs.item(i).getNodeName());
86 }
87 }
88 }
89 }
90
91 private static Collection getDimensionElements(Node docRoot) throws InfoException{
92 Collection result = new Vector ();
93 NodeList nodes = docRoot.getChildNodes();
94 Node dimensions = null;
95 for(int i=0; i < nodes.getLength(); i++){
96 dimensions = nodes.item(i);
97 if(dimensions.getNodeName().equalsIgnoreCase("DimensionSourceDefinitions")){
98 break;
99 }
100 }
101 if(dimensions!=null){
102 nodes = dimensions.getChildNodes();
103 for(int i=0; i < nodes.getLength(); i++){
104 Node dimension = nodes.item(i);
105 result.add(dimension);
106 }
107 }else{
108 throw new InfoException(LanguageTraslator.traslate("375"));
109 }
110 return result;
111 }
112
113 public static Node getDocRoot(File file) throws Exception {
114 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
115 DocumentBuilder builder = factory.newDocumentBuilder();
116 Document document = builder.parse(file);
117 return document.getDocumentElement();
118 }
119
120 public static boolean isOldVersion(File file) throws IOException{
121 StringBuffer buffer = readFile(file);
122 String s = buffer.toString();
123 s = s.toUpperCase();
124 return (s.indexOf("QUERYCONVERTTOSTRINGPATTERN") > 0);
125 }
126
127
137
138
139
145 public static StringBuffer readFile(File file) throws IOException {
146 StringBuffer sb = new StringBuffer ();
147 FileInputStream fis = new FileInputStream(file);
148 InputStreamReader isr = new InputStreamReader(fis);
149 BufferedReader in = new BufferedReader(isr);
150 String s;
151 while((s = in.readLine()) != null) {
152 sb.append(s);
153 }
154 in.close();
155 return sb;
156 }
157
158 }
159 |
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