how to used wget to quickly download many files

1.what

i need used wget to batch download many files.

then i used excel input :

1 row 1 column text: http://example.com/1.txt

2 row 1 column text: http://example.com/2.txt

then draw  these two rows to 100 rows,so it will generate from http://example.com/1.txt to http://example.com/100.txt.

after that,copy this all content,then paste them to text editor for download.txt 

2.how

command

>wget -i download.txt --content-disposition

download.txt:

http://example.com/1.txt
http://example.com/2.txt
// more file here...
http://example.com/100.txt

3. last:

thanks!

android get and post url content code sample

1.code

package com.pkrss.helper;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Map;

public class WebHelper {

    public static String GetPageContent(String pageURL)
    {
        return _GetRemotePageContent("GET",pageURL,null);
    }
    
    public static String GetPostPageContent(String pageURL,Map<String,String> parameters)
    {
        return _GetRemotePageContent("POST",pageURL,parameters);
    }
    
    private static String _GetRemotePageContent(String method,String pageURL,Map<String,String> parameters)
    {
        String pageContent="";
        BufferedReader in = null;
        InputStreamReader isr = null;
        InputStream is = null;
        HttpURLConnection huc = null;
        
        try
        {

            String strparam = "";
            
            if(parameters != null){
                for(Map.Entry<String,String> item : parameters.entrySet()){
                    if(strparam != "")
                        strparam += "&";
                    strparam += URLEncoder.encode(item.getKey(), "UTF-8") + "=" + URLEncoder.encode(item.getValue(), "UTF-8");
                }
            }
            
            if(strparam!=null && strparam.length()>0 && method.equals("GET")){
                if(pageURL.contains("?"))
                    pageURL += "&";
                else
                    pageURL += "?";

                pageURL += strparam;
            }
            
            URL url = new URL(pageURL);
            huc = (HttpURLConnection)url.openConnection();

            huc.setRequestMethod(method);
            
            if(method.equals("POST")){
                huc.setDoOutput(true);
                huc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
                
                OutputStreamWriter request = new OutputStreamWriter(huc.getOutputStream());
                
                request.write(strparam);
                request.flush();
                request.close();
            }
            
            is = huc.getInputStream();
            
            isr = new InputStreamReader(is,"UTF-8");
            in = new BufferedReader(isr);
            String line = null;
            while(((line = in.readLine()) != null))
            {
                if(line.length()==0)
                    continue;
                pageContent+=line; // + "\n";
            }   
       }
       catch (Exception e)
       {
          // e.printStackTrace();
       }
        finally
        {
              try
              {
                  is.close(); isr.close();in.close();huc.disconnect();
              }
              catch (Exception e) {}
       }
      return pageContent;
    }

}

2.Thanks

11-24 22:27:37.685: E/AndroidRuntime(8653): Caused by: java.lang.InstantiationException: can't instantiate class com.pkrss.webview_core.WebViewHasControlActivity$FragmentOptionsDialog; no empty constructor

1.error:

11-24 22:27:37.685: E/AndroidRuntime(8653): Caused by: java.lang.InstantiationException: can't instantiate class com.pkrss.webview_core.WebViewHasControlActivity$FragmentOptionsDialog; no empty constructor

2.fixed:

old:
public class WebViewHasControlActivity{
    private class FragmentOptionsDialog extends FragmentBaseDialog {
        public FragmentOptionsDialog(int arg1){
        }
    }
}

new:
public class WebViewHasControlActivity{
}

public class FragmentOptionsDialog extends FragmentBaseDialog {
    public FragmentOptionsDialog(){
    }

    public void setArg1(int arg1){
    }
}

3.Last

Thanks!

Android java enumerate JSONObject child items code

1.what

i need enumerate the JSONObject child item key and value by code

2.how

            JSONObject obj = null; // please set this not null value in first


            Iterator<String> k = obj.keys();
            String key;
            Object value;
            while(k.hasNext()){
                key = k.next();
                value = obj.opt(key);
                if(value == null || obj.isNull(key))
                    continue;
                
                if(value instanceof JSONArray){
                    JSONArray jary = (JSONArray)value;
                    
                }else if(value instanceof JSONObject){
                    JSONObject jobj = (JSONObject)value;
                    
                }else if(value instanceof String){
                    String s = (String)value;
                    
                }else if(value instanceof Long){
                    Long l = (Long)value;
                    
                }else if(value instanceof Integer){
                    Integer l = (Integer)value;
                    
                }else if(value instanceof Boolean){
                    Boolean b = (Boolean)value;
                    
                }else if(value instanceof Double){
                    Double d = (Double)value;
                }
            }

3.Last:

Thanks!

android Spinner setAdapter ArrayAdapter

1.xml:

<Spinner
        android:id="@+id/spinner"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

2.code:

        List<String> _spinnerList;
        ArrayAdapter _spinnerAdapter;

        _spinnerList = new ArrayList<String>();
        _spinnerAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, _spinnerList);
        

        _spinnerList.add("1");
        _spinnerList.add("2");
        _spinnerList.add("3");
        
        Spinner spinner = (Spinner)this.findViewById(R.id.spinner);
        spinner.setAdapter(_spinnerAdapter);

3.event:

            _spinner.setOnItemSelectedListener(new OnItemSelectedListener(){

                @Override
                public void onItemSelected(AdapterView<?> parent, View view,
                        int position, long id) {
                    // get content:
                    // String content = (String) parent.getItemAtPosition(position);
                    // or:
                    // String item = _spinnerList.get(position);
                }

                @Override
                public void onNothingSelected(AdapterView<?> parent) {
                    // TODO Auto-generated method stub
                    
                }
                
            });

4.last:

thanks!