如何解决android中的本地解析器问题
| 我正在做一个解析\“ a.xml \”的3文件，问题是由于我得到的最后一行不是整个解析。 那你能帮我吗package barc3.barc3;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class barc3 extends Activity {
private TextView orgXmlTxt;
private TextView parsedXmlTxt;
private Button parseBtn,chartbtn;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
try {
setContentView(R.layout.main);
orgXmlTxt = (TextView) findViewById(R.id.orgXMLTxt);
parsedXmlTxt = (TextView) findViewById(R.id.parsedXMLTxt);
parseBtn = (Button) findViewById(R.id.parseBtn);
chartbtn =(Button) findViewById(R.id.chartbtn);
//orgXmlTxt.setText(getOriginalMyXML());
parseBtn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
try {
parsedXmlTxt.setText(getParsedMyXML());
} catch (Exception e) {
// TODO Auto-generated catch block
orgXmlTxt.setText(e.getMessage());
}
}
});
chartbtn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
startActivity(new Intent(barc3.this,XMLParsingDemo.class));
}
});
} catch (Exception e) {
orgXmlTxt.setText(e.getMessage());
}
}
/**
* This method is called by OnCreate during startup to show the original XML file content
* @return
* @throws Exception
*/
private String getOriginalMyXML() throws Exception {
/* Load xml file being shown from raw resource folder */
InputStream in = this.getResources().openRawResource(R.raw.a);
StringBuffer inLine = new StringBuffer();
InputStreamReader isr = new InputStreamReader(in);
BufferedReader inRd = new BufferedReader(isr);
String text;
while ((text = inRd.readLine()) != null) {
inLine.append(text);
inLine.append(\"\\n\");
}
in.close();
return inLine.toString();
}
private String getParsedMyXML() throws Exception {
StringBuffer inLine = new StringBuffer();
/* Get a SAXParser from the SAXPArserFactory. */
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp = spf.newSAXParser();
/* Get the XMLReader of the SAXParser we created. */
XMLReader xr = sp.getXMLReader();
/* Create a new ContentHandler and apply it to the XML-Reader */
XMLHandler myExampleHandler = new XMLHandler();
xr.setContentHandler(myExampleHandler);
/* Load xml file from raw folder*/
InputStream in = this.getResources().openRawResource(R.raw.a);
/* Begin parsing */
xr.parse(new InputSource(in));
XMLDataSet parsedExampleDataSet = myExampleHandler.getParsedData();
String s = parsedExampleDataSet.getDate();
String s2 = parsedExampleDataSet.getScore();
System.out.println(\"s is:::::: \"+s);
System.out.println(\"s2 is :::::\"+s2);
System.out.println(parsedExampleDataSet);
inLine.append(parsedExampleDataSet.toString());
in.close();
return inLine.toString();
}
}
package barc3.barc3;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class XMLHandler extends DefaultHandler{
// ===========================================================
// Fields
// ===========================================================
private boolean NewDataSet = false;
private boolean Table = false;
private boolean Date = false;
private boolean Score = false;
private XMLDataSet myParsedExampleDataSet = new XMLDataSet();
// ===========================================================
// Getter & Setter
// ===========================================================
public XMLDataSet getParsedData() {
return this.myParsedExampleDataSet;
}
// ===========================================================
// Methods
// ===========================================================
@Override
public void startDocument() throws SAXException {
this.myParsedExampleDataSet = new XMLDataSet();
}
@Override
public void endDocument() throws SAXException {
// Nothing to do
}
/** Gets be called on opening tags like:
* <tag>
* Can provide attribute(s),when xml was like:
* <tag attribute=\"attributeValue\">*/
@Override
public void startElement(String namespaceURI,String localName,String qName,Attributes atts) throws SAXException {
if (localName.equals(\"NewDataSet\")) {
this.NewDataSet = true;
}else if (localName.equals(\"Table\")) {
this.Table = true;
}else if (localName.equals(\"Date\")) {
this.Date = true;
}
else if (localName.equals(\"Score\")) {
this.Score = true;
}
}
/** Gets be called on closing tags like:
* </tag> */
@Override
public void endElement(String namespaceURI,String qName)
throws SAXException {
if (localName.equals(\"NewDataSet\")) {
this.NewDataSet = false;
}else if (localName.equals(\"Table\")) {
this.Table = false;
}else if (localName.equals(\"Date\")) {
this.Date = false;
}
else if (localName.equals(\"Score\")) {
this.Score = false;
}
}
/** Gets be called on the following structure:
* <tag>characters</tag> */
@Override
public void characters(char ch[],int start,int length) {
if(this.Date)
{
myParsedExampleDataSet.setDate(new String(ch,start,length));
System.out.println(\"Date\"+Date);
}
if(this.Score)
{
myParsedExampleDataSet.setScore(new String(ch,length));
System.out.println(\"Score\"+Score);
}
}
}
package barc3.barc3;
public class XMLDataSet {
String Date = null;
String Score = null;
public String getDate() {
return Date;
}
public void setDate(String Date) {
this.Date = Date;
}
public String getScore() {
return Score;
}
public void setScore(String Score) {
this.Score = Score;
}
public String toString(){
return \"Date is = \" + this.Date
+ \"\\nScore is = \" + this.Score;
}
}
<?xml version=\"1.0\" encoding=\"utf-8\" ?>
<DataSet xmlns=\"http://tempuri.org/\">
<xs:schema id=\"NewDataSet\" xmlns=\"\" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" xmlns:msdata=\"urn:schemas-microsoft-com:xml-msdata\">
<xs:element name=\"NewDataSet\" msdata:IsDataSet=\"true\" msdata:UseCurrentLocale=\"true\">
- <xs:complexType>
- <xs:choice minOccurs=\"0\" maxOccurs=\"unbounded\">
- <xs:element name=\"Table\">
- <xs:complexType>
- <xs:sequence>
<xs:element name=\"Date\" type=\"xs:string\" minOccurs=\"0\" />
<xs:element name=\"Score\" type=\"xs:string\" minOccurs=\"0\" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:choice>
</xs:complexType>
</xs:element>
</xs:schema>
<diffgr:diffgram xmlns:msdata=\"urn:schemas-microsoft-com:xml-msdata\" xmlns:diffgr=\"urn:schemas-microsoft-com:xml-diffgram-v1\">
<NewDataSet xmlns=\"\">
<Table diffgr:id=\"Table1\" msdata:rowOrder=\"0\">
<Date>12/5/2011</Date>
<Score>5</Score>
</Table>
- <Table diffgr:id=\"Table2\" msdata:rowOrder=\"1\">
<Date>45/5/2011</Date>
<Score>54</Score>
</Table>
- <Table diffgr:id=\"Table3\" msdata:rowOrder=\"2\">
<Date>12/5/2011</Date>
<Score>12</Score>
</Table>
- <Table diffgr:id=\"Table4\" msdata:rowOrder=\"3\">
<Date>3/4/2011</Date>
<Score>25</Score>
</Table>
- <Table diffgr:id=\"Table5\" msdata:rowOrder=\"4\">
<Date>6/8/2011</Date>
<Score>45</Score>
</Table>
</NewDataSet>
</diffgr:diffgram>
</DataSet>
解决方法
问题在您的
DefaultHandler
myParsedExampleDataSet.setDate(new String(ch,start,length))
>
>
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