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1
2 import java.io.File  ;
3 import java.io.FileWriter ;
4 import java.io.IOException ;
5 import java.util.List ;
6
7 import javax.xml.transform.Source ;
8 import javax.xml.transform.Transformer ;
9 import javax.xml.transform.TransformerFactory ;
10 import javax.xml.transform.stream.StreamSource ;
11 import org.dom4j.Document;
12 import org.dom4j.DocumentHelper;
13 import org.dom4j.Element;
14 import org.dom4j.Node;
15 import org.dom4j.XPath;
16 import org.dom4j.io.DOMWriter;
17 import org.dom4j.io.DocumentResult;
18 import org.dom4j.io.DocumentSource;
19 import org.dom4j.io.OutputFormat;
20 import org.dom4j.io.SAXReader;
21 import org.dom4j.io.XMLWriter;
22
23 public class PerfDOM4JAttr {
24
25 public static void main(String args[]) {
26 Document doc;
27
28 try {
29 int numrec = 1;
30
31 numrec = 10000;
32 System.out.println("\n1000 Elements -------------------");
33 doc = PerfDOM4JAttr.createDocument(numrec, 20, 1);
34 PerfDOM4JAttr.createW3CDOM(doc);
35 PerfDOM4JAttr.write(doc, "DOM4JAttr_" + numrec + ".xml");
36 PerfDOM4JAttr.parse(numrec, 1);
37 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"1\"]", 3);
39 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"500\"]", 3);
40 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"999\"]", 3);
41 PerfDOM4JAttr
42 .xpathNodes(doc, "/ItemResultSet/Item[@guid=\"1\"]", 3);
43 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"500\"]",
44 3);
45 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"999\"]",
46 3);
47 PerfDOM4JAttr.xpathNodes(doc, "/*/Item", 100);
48
49 numrec = 1000;
50 System.out.println("\n1000 Elements -------------------");
51 doc = PerfDOM4JAttr.createDocument(numrec, 20, 1);
52 PerfDOM4JAttr.createW3CDOM(doc);
53 PerfDOM4JAttr.write(doc, "DOM4JAttr_" + numrec + ".xml");
54 PerfDOM4JAttr.parse(numrec, 3);
55 PerfDOM4JAttr.transform(doc, "item.xslt", 3);
56 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"1\"]", 3);
57 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"500\"]", 3);
58 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"999\"]", 3);
59 PerfDOM4JAttr
60 .xpathNodes(doc, "/ItemResultSet/Item[@guid=\"1\"]", 3);
61 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"500\"]",
62 3);
63 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"999\"]",
64 3);
65 PerfDOM4JAttr.xpathNodes(doc, "/*/Item", 100);
66
67 numrec = 100;
68 System.out.println("\n100 Elements --------------------");
69 doc = PerfDOM4JAttr.createDocument(numrec, 20, 10);
70 PerfDOM4JAttr.createW3CDOM(doc);
71 PerfDOM4JAttr.write(doc, "DOM4JAttr_" + numrec + ".xml");
72 PerfDOM4JAttr.parse(numrec, 10);
73 PerfDOM4JAttr.transform(doc, "item.xslt", 10);
74 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"1\"]", 10);
75 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"50\"]", 10);
76 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"99\"]", 10);
77 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"1\"]",
78 10);
79 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"50\"]",
80 10);
81 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"99\"]",
82 10);
83 PerfDOM4JAttr.xpathNodes(doc, "/*/Item", 100);
84
85 numrec = 10;
86 System.out.println("\n10 Elements ---------------------");
87 doc = PerfDOM4JAttr.createDocument(numrec, 20, 100);
88 PerfDOM4JAttr.createW3CDOM(doc);
89 PerfDOM4JAttr.write(doc, "DOM4JAttr_" + numrec + ".xml");
90 PerfDOM4JAttr.parse(numrec, 100);
91 PerfDOM4JAttr.transform(doc, "item.xslt", 10);
92 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"1\"]", 100);
93 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"5\"]", 100);
94 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"9\"]", 100);
95 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"1\"]",
96 100);
97 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"5\"]",
98 100);
99 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"9\"]",
100 100);
101 PerfDOM4JAttr.xpathNodes(doc, "/*/Item", 100);
102
103 numrec = 1;
104 System.out.println("\n1 Element -----------------------");
105 doc = PerfDOM4JAttr.createDocument(numrec, 20, 100);
106 PerfDOM4JAttr.createW3CDOM(doc);
107 PerfDOM4JAttr.write(doc, "DOM4JAttr_" + numrec + ".xml");
108 PerfDOM4JAttr.parse(numrec, 100);
109 PerfDOM4JAttr.transform(doc, "item.xslt", 10);
110 PerfDOM4JAttr.xpath(doc, "/ItemResultSet/Item[@guid=\"1\"]", 100);
111 PerfDOM4JAttr.xpathNodes(doc, "/ItemResultSet/Item[@guid=\"1\"]",
112 100);
113 PerfDOM4JAttr.xpathNodes(doc, "/*/Item", 100);
114
115 } catch (IOException ie) {
116 ie.printStackTrace();
117 }
118 }
119
120 public static Document createDocument(int iNumRecs, int iNumFlds, int pp) {
121
122 double start = System.currentTimeMillis();
123 Document document = null;
124 for (int kk = 0; kk < pp; kk++) {
125 document = DocumentHelper.createDocument();
126
127 Element root = document.addElement("ItemResultSet");
128 for (int ii = 0; ii < iNumRecs; ii++) {
129
130 Element Record = root.addElement("Item").addAttribute("guid",
131 "" + ii);
132 for (int jj = 0; jj < iNumFlds; jj++) {
133 Record.addAttribute("Attr" + jj, "123456789");
134 }
135
136 }
137 }
138 double end = System.currentTimeMillis();
139
140 System.err.println("Creation time : " + (end - start) / pp);
141
142 return document;
143 }
144
145 public static Document parse(int iNumRecs, int kk) {
146
147 File file = new File ("DOM4JAttr_" + iNumRecs + ".xml");
148 double start = System.currentTimeMillis();
149 Document document = null;
150 for (int pp = 0; pp < kk; pp++) {
151 try {
152 SAXReader SAXrd = new SAXReader();
153 SAXrd.read(file);
154 } catch (Exception e) {
155 e.printStackTrace();
156 }
157 }
158 double end = System.currentTimeMillis();
159
160 System.err.println("Parsing time for :" + 1.000 * (end - start) / kk);
161
162 return document;
163 }
164
165 public static void createW3CDOM(Document doc) {
166
167 long start = System.currentTimeMillis();
168 try {
169 DOMWriter dw = new DOMWriter();
170 dw.write(doc);
171
172 } catch (Exception de) {
173 }
174
175 long end = System.currentTimeMillis();
176
177 System.err.println("W3C Creation time for :" + (end - start));
178 }
179
180 public static void write(Document document, String name) throws IOException {
181
182 long start = System.currentTimeMillis();
183
185 try {
186 OutputFormat format = OutputFormat.createPrettyPrint();
187 XMLWriter writer = new XMLWriter(new FileWriter (name), format);
188 writer.write(document);
189 writer.close();
190
191 } catch (IOException e) {
192 e.printStackTrace();
193 }
194
195 long end = System.currentTimeMillis();
196
197 System.err.println("DOM4JAttr File write time :" + (end - start)
198 + " " + name);
199 }
200
201 public static void transform(Document xmlDoc, String xslFile, int kk) {
202
203 System.err.println("DOM4JAttr start transform ");
204 int ii = 1;
205 try {
206 TransformerFactory factory = TransformerFactory.newInstance();
207 Transformer transformer = factory.newTransformer(new StreamSource (
208 xslFile));
209
210 long start = System.currentTimeMillis();
211 for (ii = 0; ii < kk; ii++) {
212 Source source = new DocumentSource(xmlDoc);
213 DocumentResult result = new DocumentResult();
214 transformer.transform(source, result);
215
216 }
218 long end = System.currentTimeMillis();
219
220 System.err.println("DOM4JAttr transform time :" + (end - start)
221 / ii);
222 } catch (Exception e) {
223 e.printStackTrace();
224 }
225
226 }
227
228 public static void xpath(Document document, String xpathExp, int kk) {
229
230 long start = System.currentTimeMillis();
231 XPath xpath = document.createXPath(xpathExp);
232 for (int ii = 0; ii < kk; ii++) {
233 Node node = xpath.selectSingleNode(document);
234
235 if ((node != null) & (ii == 0)) {
236 String val = node.getStringValue();
237 }
239 }
240
241 long end = System.currentTimeMillis();
242 System.err.println("DOM4JAttr xpath time :" + (end - start) / kk);
243 }
244
245 public static void xpathNodes(Document document, String xpathExp, int kk) {
246
247 long start = System.currentTimeMillis();
248 XPath xpath = document.createXPath(xpathExp);
249
250 for (int ii = 0; ii < kk; ii++) {
251
252 try {
253
254 List nodeList = xpath.selectNodes(document);
255 if ((nodeList != null) && (nodeList.size() > 0)) {
256 Node node = (Node) nodeList.get(0);
257 if ((node != null) & (ii == 0)) {
258 String val = node.getStringValue();
259 }
261 }
262 } catch (Exception e) {
263 e.printStackTrace();
264
265 }
266
267 }
268
269 long end = System.currentTimeMillis();
270
271 System.err.println("DOM4JAttr xpath Nodes time :" + 1.000
272 * (end - start) / kk);
273 }
274
275 }
276 |
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