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【Java】 Android里利用XmlSerializer生成xml文件

作者:effort_fan / 发布于2012/5/26/ 678

<div>private static void XmlFileCreator(List<JokeBean> data){
 File newxmlfile = new File(Environment.getExternalStorageDirectory()+"/new.xml");
 try{
 if(!newxmlfile.exists())
 newxmlfile.createNewFile();
 }catch(IOException e){
 Log.e("IOException", "exception in createNewFile() method");
 }
 //we have to bind the new file with a FileOutputStream
 FileOutputStream fileos = null; 
 try{
 fileos = new FileOutputStream(newxmlfile);
 }catch(FileNotFoundException e){
 Log.e("FileNotFoundException", "can't create FileOutputStream");
 }
 //we create a XmlSerializer in order to write xml data
 XmlSerializer serializer = Xml.newSerializer();
 try {
 //we set the FileOutputStream as output for the serializer, using UTF-8 encoding
 serializer.setOutput(fileos, "UTF-8");
 //Write <?xml declaration with encoding (if encoding not null) and standalone flag (if standalone not null)
 serializer.startDocument(null, Boolean.valueOf(true));
 //set indentation option
 serializer.setFeature("<a href="http://xmlpull.org/v1/doc/features.html#indent-output">http://xmlpull.org/v1/doc/features.html#indent-output</a>", true);
 //start a tag called "root"
 serializer.startTag(null, "jokes");
 for(JokeBean joke:data){
 serializer.startTag(null, "joke");
 //i indent code just to have a view similar to xml-tree
 serializer.startTag(null, "id");
 serializer.text(joke.getId());
 serializer.endTag(null, "id");
 
 serializer.startTag(null, "title");
 serializer.text(joke.getTitle());
 //set an attribute called "attribute" with a "value" for <child2>
 //serializer.attribute(null, "attribute", "value");
 serializer.endTag(null, "title");
 serializer.startTag(null, "text");
 //write some text inside <text>
 serializer.text(joke.getText());
 serializer.endTag(null, "text");
 
 serializer.endTag(null, "joke");
 }
 serializer.endTag(null, "jokes");
 serializer.endDocument();
 //write xml data into the FileOutputStream
 serializer.flush();
 //finally we close the file stream
 fileos.close();
 } catch (Exception e) {
 Log.e("Exception","error occurred while creating xml file");
 }
 }

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