android sax解析创建xml源码

package cn.com.sax; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; import javax.xml.transform.sax.SAXResult; import org.xml.sax.Attributes; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import org.xml.sax.XMLReader; import org.xml.sax.helpers.DefaultHandler; import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.sax.Element; import android.sax.EndElementListener; import android.sax.EndTextElementListener; import android.sax.RootElement; import android.sax.StartElementListener; import android.sax.TextElementListener; import android.text.format.Time; import android.util.Log; import android.widget.TextView; public class SaxParseXmlActivity extends Activity { /** Called when the activity is first created. */ String result = "第二种解析方式：\n"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TextView txt = (TextView) findViewById(R.id.txt); TextView txt02= (TextView) findViewById(R.id.txt02); txt.setText(saxParse()); txt02.setText(saxParseSecond()); String str = null; try { str = new SxaCreateXml().saxToXml(openFileOutput("sax.xml", Context.MODE_PRIVATE)); } catch (FileNotFoundException e) { e.printStackTrace(); } } /** * 用sax解析xml的第一种方式 * @return */ private String saxParse(){ SAXParserFactory factory = SAXParserFactory.newInstance(); SAXParser parser; String xmlStr = "第一种解析方式:\n"; try { // 读取类得包下的xml文件 // InputStream inputStream = // this.getClass().getClassLoader().getResourceAsStream("cn/com/sax/saxTest.xml"); //读取src下xml文件 InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("saxTest.xml"); // 读取assets下的xml文件 // InputStream inputStream = this.getAssets().open("saxTest.xml"); parser = factory.newSAXParser(); SaxParseHandler personHandler = new SaxParseHandler(); parser.parse(inputStream, personHandler); xmlStr = xmlStr + personHandler.parseToString(); } catch (ParserConfigurationException e) { e.printStackTrace(); Log.e("TEST", "" + e.toString()); } catch (SAXException e) { e.printStackTrace(); Log.e("TEST", "" + e.toString()); } catch (IOException e) { e.printStackTrace(); Log.e("TEST", "" + e.toString()); } return xmlStr; } /** * sax解析xml的第二种方式 * 用XMLReader 也是sax的一种方式 * @return */ private String saxParseSecond(){ //读取src下xml文件 InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("saxTest.xml"); SAXParserFactory factory = SAXParserFactory.newInstance(); try { SAXParser parse = factory.newSAXParser(); XMLReader reader = parse.getXMLReader(); reader.setContentHandler(getRootElement().getContentHandler()); reader.parse(new InputSource(inputStream)); } catch (ParserConfigurationException e) { e.printStackTrace(); } catch (SAXException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return result; } /** * * @return 返回设置好处理机制的rootElement */ private RootElement getRootElement(){ /*rootElement代表着根节点，参数为根节点的tagName*/ RootElement rootElement = new RootElement("classes"); /*获取一类子节点，并为其设置相应的事件 * 这里需要注意，虽然我们只设置了一次group的事件，但是我们文档中根节点下的所有 * group却都可以触发这个事件。 * */ Element groupElement = rootElement.getChild("group"); // 读到元素开始位置时触发，如读到<group>时 groupElement.setStartElementListener(new StartElementListener() { @Override public void start(Attributes attributes) { // Log.i("TEST", "start"); String groupName = attributes.getValue("name"); String groupNum = attributes.getValue("num"); result = result+"groupName ="+groupName+"groupNum = "+groupNum+"\n"; } }); //读到元素结束位置时触发，如读到</group>时 groupElement.setEndElementListener(new EndElementListener() { @Override public void end() { } }); Element personElement = groupElement.getChild("person"); //读取<person>标签触发 personElement.setStartElementListener(new StartElementListener() { @Override public void start(Attributes attributes) { String personName = attributes.getValue("name"); String age = attributes.getValue("age"); result = result+"personName ="+personName+"age = "+age+"\n"; } }); //读取</person>标签触发 personElement.setEndElementListener(new EndElementListener() { @Override public void end() { } }); Element chinese = personElement.getChild("chinese"); // chinese.setTextElementListener(new TextElementListener() { // // @Override // public void end(String body) { // // TODO Auto-generated method stub // // } // // @Override // public void start(Attributes attributes) { // // TODO Auto-generated method stub // // } // }); // 读到文本的末尾时触发,这里的body即为文本的内容部分 chinese.setEndTextElementListener(new EndTextElementListener() { @Override public void end(String body) { Pattern p = Pattern.compile("\\s*|\t|\r|\n"); Matcher m = p.matcher(body); body = m.replaceAll(""); result = result+"chinese ="+body; } }); Element english = personElement.getChild("english"); english.setEndTextElementListener(new EndTextElementListener() { @Override public void end(String body) { Pattern p = Pattern.compile("\\s*|\t|\r|\n"); Matcher m = p.matcher(body); body = m.replaceAll(""); result = result+"english ="+body+"\n"; } }); return rootElement; } /** * 第一种解析方式下的处理机制 * * 2011-12-26上午09:49:20 * @author niuxuehao */ class SaxParseHandler extends DefaultHandler { String result; public String parseToString() { return result; } String str = null; /** * xml开始时，执行此函数 */ @Override public void startDocument() throws SAXException { // Log.e("TEST", "startDocument"); } /** * xml结束时，执行此函数 */ @Override public void endDocument() throws SAXException { // Log.e("TEST", "endDocument"); } /** * xml标签开始时，执行此函数，读取标签名称，和标签内的属性 */ @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { if ("group".equals(localName)) { String groupName = attributes.getValue(0); String num = attributes.getValue(1); result = result + "groupName=" + groupName + " num =" + num + "\n"; } else if ("person".equals(localName)) { String personName = attributes.getValue(0); String age = attributes.getValue(1); // 和getValue(1)等效 // String txt = attributes.getValue("age"); result = result + "personName" + personName + " age=" + age + "\n"; } else { str = localName; } // Log.e("TEST", "startElement"); } /** * xml标签结束时，执行此函数 */ @Override public void endElement(String uri, String localName, String qName) throws SAXException { str = null; // Log.e("TEST", "endElement"); } /** * 解析标签内的值，如<chinese>sss