TinyXmlParser -
GPL
跨平台
Java
软件简介
优点:
高效、简单、易用的Xml解析器。
学习时间,分分钟。
支持中文标签名与属性名,支持下划线,减号等分隔符。
解析速度超过,查找速度超快,支持格式化。
缺点:不支持Xml Schema,DTD校验。
Maven引用坐标:
<dependency>
<groupId>org.tinygroup</groupId>
<artifactId>org.tinygroup.xmlparser</artifactId>
<version>0.1.0-SNAPSHOT</version>
</dependency>
解析下面xml
<?xml version="1.0"?>
<students>
<student>
<name>John</name>
<grade>B</grade>
<age>12</age>
</student>
<student>
<name>Mary</name>
<grade>A</grade>
<age>11</age>
</student>
<student>
<name>Simon</name>
<grade>A</grade>
<age>18</age>
</student>
</students>
示例代码:
public class TestXmlParser {
public static void main(String[] args) throws Throwable {
File file = new File("E:/test/students.xml ");
XmlStringParser parser = new XmlStringParser();
XmlDocument document = parser.parse(IOUtils.readFromInputStream(
new FileInputStream(file), "utf-8"));
printStudents(document.getRoot());
}
private static void printStudents(XmlNode studentsNode) {
for(XmlNode studentNode:studentsNode.getSubNodes("student")){
printStuent(studentNode);
}
}
private static void printStuent(XmlNode studentNode) {
printSubTagByName(studentNode,"name");
printSubTagByName(studentNode,"grade");
printSubTagByName(studentNode,"age");
}
private static void printSubTagByName(XmlNode studentNode,String tagName) {
System.out.println( studentNode.getSubNode(tagName).getContent());
}
}
格式化示例:
XmlDocument doc;
doc = new XmlStringParser()
.parse("aaa");
XmlFormater f = new XmlFormater();
System.out.println(f.format(doc));
运行结果:
aaa
性能测试:
构建下面的节点规模:
HtmlNode node = null;
public NameFilterTest() {
node = new HtmlNode("root");
for (int i = 0; i < 60; i++) {
HtmlNode a = node.addNode(new HtmlNode("a" + i));
for (int j = 0; j < 60; j++) {
HtmlNode b = a.addNode(new HtmlNode("b" + j));
for (int k = 0; k < 60; k++) {
b.addNode(new HtmlNode("c" + k));
}
}
}
}
也就是节点数60+6060+6060*60个节点数时,进行下面的查找:
long t21 = System.currentTimeMillis();
FastNameFilter fast = new FastNameFilter(node);
long t22 = System.currentTimeMillis();
System.out.println("fast初始化用时" + (t22 - t21));
long t1 = System.currentTimeMillis();
String nodeName = null;
for (int x = 0; x < 10000; x++) {
nodeName = fast.findNode("b6").toString();
}
// System.out.println(nodeName);
long t2 = System.currentTimeMillis();
System.out.println("FastNameFilter用时" + (t2 - t1));
运行结果:
fast初始化用时130
FastNameFilter用时450
也就是说在219661个节点中,查找指定节点10000次,只用时450ms。
更多详细信息可以前往软件开发者博客:http://my.oschina.net/tinyframework/