Android XMl parsing magic xstream 5: Convert complex objects into xml, and write the xml file in the SD card, androidxstream

Android XMl parsing magic xstream 5: Convert complex objects into xml, and write the xml file in the SD card, androidxstream

For more information about xstream, see:

Android XMl parsing magic xstream 1: parse the aa. xml file in the asset folder of the android Project

Android XMl parsing magic xstream 2: Converting objects into xml

Android XMl parsing magic xstream 3: Converting complex objects into xml

Android XMl parsing magic xstream 4: parsing complex xml files as objects

 

1. Create a JavaBeen

package com.android10;public class Person {    String pName ;    String pAge  ;        public String getpName() {        return pName;    }    public void setpName(String pName) {        this.pName = pName;    }    public String getpAge() {        return pAge;    }    public void setpAge(String pAge) {        this.pAge = pAge;    } }

 

package com.android10;public class Product {    private String name ;    private String age  ;    private Person person ;    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public String getAge() {        return age;    }    public void setAge(String age) {        this.age = age;    }    public Person getPerson() {        return person;    }    public void setPerson(Person person) {        this.person = person;    }}

2. Tool code

Package com. android10; import java. io. file; import java. io. fileNotFoundException; import java. io. fileOutputStream; import java. io. IOException; import java. io. outputStreamWriter; import android. content. context; import android. OS. environment; public class XstreamUtil {XcallBack xcallBack;/*** write the xml string to the SD card file * @ param context * @ param str xml string */public void writeToXml (Context context, string str) {// get File path String SDPATH = Environment. getExternalStorageDirectory () + "/myfile1.xml/"; // create a file File = new file (SDPATH); if (! File. exists () {try {file. createNewFile ();} catch (IOException e) {e. printStackTrace () ;}// write data try {FileOutputStream out = new FileOutputStream (file); OutputStreamWriter outw = new OutputStreamWriter (out); try {outw. write (str); outw. close (); out. close (); xcallBack. success ();} catch (IOException e) {xcallBack. fail () ;}} catch (FileNotFoundException e1) {e1.printStackTrace (); xcallBack. fail () ;}} void setXStreamLister (XcallBack xcallBack) {this. xcallBack = xcallBack;} interface XcallBack {/*** Write Succeeded */void success ();/*** write failed */void fail ();}

3. Main Methods

Package com. android10; import android. app. activity; import android. OS. bundle; import android. widget. toast; import com. thoughtworks. xstream. XStream; public class MainActivity extends Activity {@ Override public void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); Person person = new Person (); person. setpName ("saliy"); person. setpAge ("36"); Product product Product = new product (); Product. setName ("jhon"); product. setAge ("30"); product. setPerson (person); // convert the object to an xml string XStream xstream = new XStream (); // set the alias xstream. alias ("blog", Product. class); String string = xstream. toXML (product); XstreamUtil xUtil = new XstreamUtil (); xUtil. setXStreamLister (new XcallBack () {@ Override public void success () {Toast. makeText (MainActivity. this, "succeeded", Toast. LENGTH_SHORT ). show () ;}@ Override public void fail () {Toast. makeText (MainActivity. this, "failed", Toast. LENGTH_SHORT ). show () ;}}); xUtil. writeToXml (this, string );}}

 

4. Running result

 

<Blog>
<Age> 30 </age>
<Name> jhon </name>
<Person>
<PAge> 36 </pAge>
<PName> saliy </pName>
</Person>
</Blog>