JSONデータ解析

JSONデータを生成するソースコード：http://download.csdn.net/detail/chexitianxia/9137419
クライアントactivitymain.xmlファイル

Main.java

public class Main extends Activity implements OnClickListener{
	private Button person,persons,liststring,listmap;
	private static final String TAG="Main";
    @Override
    public void onCreate(Bundle savedInstanceState) {
    	StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()       
        .detectDiskReads()       
        .detectDiskWrites()       
        .detectNetwork()   //        detectAll()            I/O       
        .penaltyLog()     //  logcat，        dropbox，         log  
        .build());       
        StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()       
        .detectLeakedSqlLiteObjects() //  SQLite        
        .penaltyLog()       //  logcat
        .penaltyDeath()       
        .build()); 
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        person = (Button)this.findViewById(R.id.person);
        persons = (Button)this.findViewById(R.id.persons);
        liststring = (Button)this.findViewById(R.id.liststring);
        listmap = (Button)this.findViewById(R.id.listmap);
        person.setOnClickListener(this);
        persons.setOnClickListener(this);
        liststring.setOnClickListener(this);
        listmap.setOnClickListener(this);
           

    }

    @Override
    public void onClick(View v) {
    	// TODO Auto-generated method stub
    	switch (v.getId()) {
		case R.id.person:	
			String path="http://192.168.1.103:8080/jsonProject/servlet/JsonAction?action_flag=person";
			String jsonString = HttpUtils.getJsonContent(path);
			
			Person person = JsonTools.getPerson("person", jsonString);
			Log.i(TAG,person.toString());
			break;
		case R.id.persons:	
			String path2="http://192.168.1.103:8080/jsonProject/servlet/JsonAction?action_flag=persons";
			String jsonString2 = HttpUtils.getJsonContent(path2);
			List list2 = JsonTools.getPersons("persons", jsonString2);
			Log.i(TAG,list2.toString());
			break;
		case R.id.liststring:
			String path3="http://192.168.1.103:8080/jsonProject/servlet/JsonAction?action_flag=liststring";
			String jsonString3 = HttpUtils.getJsonContent(path3);
			List list3 = JsonTools.getList("liststring", jsonString3);
			Log.i(TAG,list3.toString());
			break;
		case R.id.listmap:
			String path4="http://192.168.1.103:8080/jsonProject/servlet/JsonAction?action_flag=listmap";
			String jsonString4 = HttpUtils.getJsonContent(path4);
			List

HttpUtils.java

public class HttpUtils {
	private static final String TAG = "Main";

	public HttpUtils() {
		// TODO Auto-generated constructor stub
		
	}

	public static String getJsonContent(String url_path) {
		
		try {
			URL url = new URL(url_path);
			
			HttpURLConnection connection = (HttpURLConnection) url
					.openConnection();
			connection.setConnectTimeout(3000);			
			connection.setRequestMethod("GET");
			connection.setDoInput(true);			
			int code = connection.getResponseCode();			
			if (code == 200) {
				return changeInputStream(connection.getInputStream());
			}
			
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}
		
		return "";
	}

	private static String changeInputStream(InputStream inputStream) {
		// TODO Auto-generated method stub
		String jsonString = "";
		ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
		int len = 0;
		byte[] data = new byte[1024];
		try {
			while ((len = inputStream.read(data)) != -1) {
				outputStream.write(data, 0, len);
			}
			jsonString = new String(outputStream.toByteArray());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		return jsonString;
	}
}

Person.java

public class Person {
	private int id;
	private String name;
	private String address;
	@Override
	public String toString() {
		return "Person [id=" + id + ", name=" + name + ", address=" + address
				+ "]";
	}
	public Person() {
		// TODO Auto-generated constructor stub
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public Person(int id, String name, String address) {
		super();
		this.id = id;
		this.name = name;
		this.address = address;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getAddress() {
		return address;
	}
	public void setAddress(String address) {
		this.address = address;
	}

}

Json Tools.java

public class JsonTools {

	public JsonTools() {
		// TODO Auto-generated constructor stub
	}
	public static Person getPerson(String key,String jsonString){
		Person person = new Person();
		try {
			JSONObject jsonObject = new JSONObject(jsonString);
			JSONObject personObject = jsonObject.getJSONObject("person");
			person.setId(personObject.getInt("id"));
			person.setName(personObject.getString("name"));
			person.setAddress(personObject.getString("address"));
		} catch (Exception e) {
			// TODO: handle exception
		}
		return person;
		
	}
	public static List getPersons(String key,String jsonString){
		List list = new ArrayList();
		try {
			JSONObject jsonObject = new JSONObject(jsonString);
			//  json   
			JSONArray jsonArray = jsonObject.getJSONArray(key);
			for(int i=0;i getList(String key,String jsonString){
		List list = new ArrayList();
		try {
			JSONObject jsonObject = new JSONObject(jsonString);
			JSONArray jsonArray = jsonObject.getJSONArray(key);
			for (int i=0;i> listKeyMaps(String key,String jsonString){
		List