InputOutputStream_2 공부.

public class Io02 extends Activity 

implements View.OnClickListener {

    private Button b1, b2, b3, b4;

    private EditText et1, et2, et3;

    //private static final String EX_PATH = "/sdcard";

    private static final String EX_PATH 

        = Environment.getExternalStorageDirectory().getAbsolutePath();

    

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

        et1 = (EditText)findViewById(R.id.EditText01);

        b1 = (Button)findViewById(R.id.Button01);

        

        et2 = (EditText)findViewById(R.id.EditText02);

        b2 = (Button)findViewById(R.id.Button02);

        b3 = (Button)findViewById(R.id.Button03);

        

        et3 = (EditText)findViewById(R.id.EditText03);

        b4 = (Button)findViewById(R.id.Button04);

        

        b1.setOnClickListener(this);

        b2.setOnClickListener(this);

        b3.setOnClickListener(this);

        b4.setOnClickListener(this);

        

        //showPath();//특정 하드웨어에 의존하지 않게 android의 기준 Directory 찾기

    }

    @Override

public void onClick(View v) {

if(v == b1){

toInFromEx(); //1. 외장 -> 내장 

}else if(v == b2){ 

//inFileListShow();

String fname = et2.getText().toString();

toExFromIn(fname); //2. 내장(현재앱) -> 외장 

}else if(v == b3){

toExFromInAll();

}else{ //v == b4

String fname = et3.getText().toString();

toExFromInAny(fname); //3. 내장(현재앱X) -> 외장 

}

}

    //3. 내장(현재앱X) -> 외장 ( 추후 고민해 볼 것! )

    private void toExFromInAny(String fname){ //테스팅 결과 확인X 

    FileInputStream fis = null;

    FileOutputStream fos = null;

    try{

    fis = new FileInputStream(fname);

   

    String destDir = EX_PATH + "/io/apks";

    File dir = new File(destDir);

    if(!dir.exists()) dir.mkdirs();

   

    fos = new FileOutputStream(destDir+"/"+fname);

    fileMove(fis, fos);

    }catch(FileNotFoundException fnfe){

    }catch(IOException ie){

    try{

    if(fos != null) fos.close();

    if(fis != null) fis.close();

    }catch(IOException ie2){}

    }

    }

    

    //2. 내장(현재앱) -> 외장 

    private void inFileListShow(){

    StringBuffer sb = new StringBuffer();

    File inFilesDir = getFilesDir(); //중요!

    File childs[] = inFilesDir.listFiles();

    for(File child : childs){

    sb.append(child.getName() + "\n");

    }

    showMsg(sb.toString(), 1);

    }

    private void toExFromIn(String fname){

    FileInputStream fis = null;

    FileOutputStream fos = null;

    try{

    fis = openFileInput(fname);

   

    String destDir = EX_PATH + "/aa/bb/cc";

    File dir = new File(destDir);

    if(!dir.exists()) dir.mkdirs();

   

    fos = new FileOutputStream(destDir+"/"+fname);

    fileMove(fis, fos);

    }catch(FileNotFoundException fnfe){

    }catch(IOException ie){

    try{

    if(fos != null) fos.close();

    if(fis != null) fis.close();

    }catch(IOException ie2){}

    }

    }

    private void toExFromInAll(){

    File inFilesDir = getFilesDir(); //중요!

    File childs[] = inFilesDir.listFiles();

    for(File child : childs){

    toExFromIn(child.getName());

    }

    showMsg("모든 파일 복사 완료", 1);

    }

    

    //1. 외장 -> 내장

    private void toInFromEx(){

    //et1의 입력정보(dir/file)를 내장메모리로 이동시키시요.

    String path = et1.getText().toString();

    File f = new File(EX_PATH + path);

   

    if(f.isFile()){

    fileCopy(f, getFname(path));

    }else{

    File fs[] = f.listFiles();

    for(File child : fs){

    if(child.isFile()){

    fileCopy(child, child.getName());

    }

    }

    }

    }

    private String getFname(String path){

    int idx = path.lastIndexOf("/");

    String fname = "";

    if(idx != -1){

    fname = path.substring(idx+1);

    }

    return fname;

    }

    private void fileCopy(File f, String fname){

    FileInputStream fis = null;

    FileOutputStream fos = null;

    try{

    fis = new FileInputStream(f);

    fos = openFileOutput(fname, MODE_PRIVATE);

    fileMove(fis, fos);

    }catch(FileNotFoundException fnfe){

    showMsg("입력 경로가 잘못됨", 0);

    et1.setText("");

    et1.requestFocus();

    }catch(IOException ie){

    showMsg("IO예외", 0);

    }

    }

    private void fileMove(FileInputStream fis, 

    FileOutputStream fos) throws IOException  {

    int i = 0; 

    byte buffer[] = new byte[512];

    while((i = fis.read(buffer)) != -1){

    fos.write(buffer, 0, i);

    fos.flush();

    }

    showMsg("파일 복사 성공",  0);

    }

    /*

    File f1; //sdcard 

    File f2; //system 

    File f3; //data

    File f4; //cache 

    void showPath(){

    f1 = Environment.getExternalStorageDirectory();// sdcard

    String state = Environment.getExternalStorageState(); //mounted, shared

    String path1 = f1.getAbsolutePath();

    String path2 = "";

    try{

    path2 = f1.getCanonicalPath(); //OS 시스템에 맞는 구분자 적용한 경로

    }catch(IOException ie){}

    String path3 = f1.getPath();

   

    showMsg("path1 : " + path1 

    + ", path2 : " + path2 

    + ", path3 : " + path3 

    + ", state : " + state, 1);

   

    f2 = Environment.getRootDirectory(); //system 

    f3 = Environment.getDataDirectory(); //data

    f4 = Environment.getDownloadCacheDirectory(); //cache

    String f2Path = f2.getAbsolutePath();

    String f3Path = f3.getAbsolutePath();

    String f4Path = f4.getAbsolutePath();

   

    showMsg("f2Path : " + f2Path 

        + ", f3Path : " + f3Path

        + ", f4Path : " + f4Path, 1);

    }

    */

    void showMsg(String msg, int option){

    Toast.makeText(this, msg, option).show();

    }

}