如何从SD卡解析XML文件中的Android [英] how to parse xml file from Sdcard in Android
本文介绍了如何从SD卡解析XML文件中的Android的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有这样的XML:
<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>
<alllogs count="5">
<log number="+919876543210" time="1365589432804" date="Wed Apr 10 15:53:52 GMT+05:30 2013" type="2" duration="0" new="1" name="360 chhotein" numbertype="2" numberlabel="null" />
<log number="+919876543210" time="1365595887261" date="Wed Apr 10 17:41:27 GMT+05:30 2013" type="2" duration="0" new="1" name="360 chhotein" numbertype="2" numberlabel="null" />
<log number="+919876543210" time="1365596387590" date="Wed Apr 10 17:49:47 GMT+05:30 2013" type="2" duration="0" new="1" name="360 chhotein" numbertype="2" numberlabel="null" />
<log number="+919876543210" time="1365596787051" date="Wed Apr 10 17:56:27 GMT+05:30 2013" type="2" duration="0" new="1" name="null" numbertype="null" numberlabel="null" />
<log number="0041786095382" time="1365740469738" date="Fri Apr 12 09:51:09 GMT+05:30 2013" type="2" duration="0" new="1" name="null" numbertype="null" numberlabel="null" />
</alllogs>
我正在使用的解析器是Android原生XMLPullParser
The parser I'm using is the android native XMLPullParser
我不能改变的XML格式,但我可以用另外Android兼容的解析器,如果它是值得的。
I cannot change XML format but I could use another android compatible parser if it's worth it.
如果不清楚它必须适合在这样的一个类:
If it's not clear it has to fit on an class like this:
try {
String file = Environment.getExternalStorageDirectory() + File.separator + "SmsContactsBackup/logs/calllogs_20130412125502.xml";
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser parser = factory.newPullParser();
FileInputStream fis = new FileInputStream(file);
parser.setInput(new InputStreamReader(fis));
Log.d("Response", ""+convertStreamToString(fis));
int eventType = parser.getEventType();
String name = null;
while (eventType != XmlPullParser.END_DOCUMENT)
{
//String name = parser.getName();
if(eventType == XmlPullParser.START_DOCUMENT) {
System.out.println("Start document");
}else if(eventType == XmlPullParser.START_TAG) {
name = parser.getName();
if (name.equalsIgnoreCase("alllogs")){
count = Integer.parseInt(parser.getAttributeValue("", "count"));
}else if(name.equalsIgnoreCase("log"))
{
phone_no.add(parser.getAttributeValue("", "number"));
}
System.out.println("Start tag "+parser.getName());
}else if(eventType == XmlPullParser.END_TAG) {
name = parser.getName();
System.out.println("End tag "+parser.getName());
}
eventType = parser.next();
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (XmlPullParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
事件类型是不是得到适当和IOException异常。
eventtype is not get proper and IOException.
推荐答案
我终于得到了解决这样我已经使用DOM解析
Finally i got Solution like this I have used Dom parsing
public class MainActivity extends Activity {
ArrayList<String> mImageLink;
ArrayList<String> phone_no;
int count;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mImageLink = new ArrayList<String>();
phone_no = new ArrayList<String>();
try {
File file = new File("mnt/sdcard/Backup_Apps/call_logs/calllog_35777569.xml");
InputStream is = new FileInputStream(file.getPath());
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(new InputSource(is));
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getElementsByTagName("alllogs");
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
Element fstElmnt = (Element) node;
mImageLink.add(fstElmnt.getAttribute("count"));
count = Integer.parseInt(mImageLink.get(i));
}
NodeList n = doc.getElementsByTagName("log");
for (int j = 0; j < count; j++) {
Node node = n.item(j);
Element fstElmnt = (Element) node;
phone_no.add(fstElmnt.getAttribute("number"));
}
} catch (Exception e) {
System.out.println("XML Pasing Excpetion = " + e);
}
}
}
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