InputOutputStream_3 공부.

public class Io03 extends Activity {

    private Button b1, b2, b3;

    private EditText et1;

    //private static final String FNAME = "test.txt";

    private static final String FNAME 

       = "aa/bb/SoosJava201104_utf8.java";

    

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

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

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

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

        

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

        

        View.OnClickListener listener = new View.OnClickListener() {

@Override

public void onClick(View v) {

if(v == b1){

readAssets();

}else if(v == b2){

readRaw();

}else{

reset();

}

}

} ;

        b1.setOnClickListener(listener);

        b2.setOnClickListener(listener);

        b3.setOnClickListener(listener);

    }

    private void readAssets(){

    InputStream is = null;

    AssetManager am = getAssets();

    try{

       is = am.open(FNAME, MODE_PRIVATE);

       String result = readModul(is);

       et1.setText(result);

    }catch(IOException ie){

    }finally{

    try{

    if(is != null) is.close();

    }catch(IOException ie){}

    }

    }

    private void readRaw() {

    InputStream is = null;

    Resources r = getResources();

    is = r.openRawResource(R.raw.soosadvans_utf8);

    String result = readModul(is);

    et1.setText(result);

    try{

    if(is != null) is.close();

    }catch(IOException ie){}

    }

    private String readModul(InputStream is){

    BufferedReader br = null;

    String line = "";

    StringBuffer sb = new StringBuffer();

    try{

       br = new BufferedReader(new InputStreamReader(is));

       while((line = br.readLine()) != null){

        sb.append(line + "\n");

       }

       return sb.toString();

    }catch(IOException ie){

    return "";

    }finally{

    try{

    if(br != null) br.close();

    }catch(IOException ie){}

    }

    }

    private void reset(){

    et1.setText("");

    }

}