package com.feebe.musicsearch;
import android.app.Activity;
import android.os.Bundle;
import java.util.ArrayList;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Toast;
import android.widget.ImageButton;
import android.view.View;
import android.view.View.OnClickListener;
import android.graphics.Bitmap;
import android.content.Intent;
import android.view.LayoutInflater;
import android.widget.ImageView;
import android.widget.TextView;
import android.util.Log;
import org.json.JSONObject;
import org.json.JSONException;
import com.feebe.lib.Util;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
/**
*歌手详细信息
*/
public class Artist extends Activity {
final static String LASTFM_KEY = "c309476a7d0c6c29d4ed6632678c5054";
ListView mTopTracksList;
TextView mName;
ImageView mImage;
String mRequestUrl;
Bitmap mArtistImage;
String mArtistName, mSummary, mContent;
ArrayAdapter<String> mTopTracksAdapter;
ArrayList<String> mTopTracksStrings = new ArrayList<String>();
ArrayList<String> mTopTracks = new ArrayList<String>();
//Button removeButton;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.artist);
Bundle extras = getIntent().getExtras();
mArtistName = extras.getString("name");
Log.e("OnlineMusic ", "getString name : " + mArtistName);
mTopTracksList = (ListView) findViewById(R.id.toptracks);
mTopTracksList.setSelectionAfterHeaderView();
mTopTracksList.setVisibility(View.GONE);
LayoutInflater mInflater;
mInflater = LayoutInflater.from(this);
View convertView = mInflater.inflate(R.layout.artist_title, null);
mName = (TextView)convertView.findViewById(R.id.name);
mName.setText(mArtistName);
mImage = (ImageView)convertView.findViewById(R.id.image);
mTopTracksList.addHeaderView(convertView);
View separator = mInflater.inflate(R.layout.separator, null);
TextView text = (TextView)separator.findViewById(R.id.text);
text.setText(mArtistName + "'s Top Songs");
mTopTracksList.addHeaderView((View)separator);
mTopTracksAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mTopTracksStrings);
mTopTracksList.setAdapter(mTopTracksAdapter);
mTopTracksList.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView parent, View v, int position, long id) {
if(position > 1){
Intent intent = new Intent();
intent.putExtra(Const.Key, mTopTracks.get(position - 2));
intent.setClass(Artist.this, SearchList.class);
startActivity(intent);
}
}
});
// get artist info
(new Thread() {
public void run() {
String reqUrl = "";
try{
reqUrl = "http://ws.audioscrobbler.com/2.0/?method=artist.getinfo&artist=" + URLEncoder.encode(mArtistName, "UTF-8") + "&api_key=" + LASTFM_KEY;
}catch (java.io.UnsupportedEncodingException neverHappen) {
}
getArtistInfo( reqUrl);
updatArtistInfo();
}
}).start();
// get artist top tracks
(new Thread() {
public void run() {
String reqUrl = "";
try{
reqUrl = "http://ws.audioscrobbler.com/2.0/?method=artist.gettoptracks&artist=" + URLEncoder.encode(mArtistName, "UTF-8") + "&api_key=" + LASTFM_KEY;
}catch (java.io.UnsupportedEncodingException neverHappen) {
}
getArtistTopTracks(reqUrl);
updatArtistTopTracks();
}
}).start();
}
private void getArtistInfo(String rurl) {
try {
Log.e("OnlineMusic", "searchFromNetwork mRequestUrl: " + rurl);
String httpresponse = null;
boolean inCache = Util.inCache(rurl, Const.OneWeek);
if (inCache) {
httpresponse = Util.readFile(Const.cachedir+Util.getHashcode(rurl));
} else {
httpresponse = Util.download(rurl);
}
//Log.e("OnlineMusic", "httpresponse : " + httpresponse);
Pattern pattern = Pattern.compile("<image size=\"extralarge\">([\\s\\S]*?)</image>");
Matcher matcher = pattern.matcher(httpresponse);
if(matcher.find()) {
Log.e("OnlineMusic", "pattern : " + matcher.group(1));
mArtistImage = NetUtils.loadBitmap(matcher.group(1));
}
pattern = Pattern.compile("<summary>([\\s\\S]*?)</summary>");
matcher = pattern.matcher(httpresponse);
String str_nohtml;
if(matcher.find()) {
str_nohtml = matcher.group(1).replaceAll("<!\\[CDATA\\[", "").replaceAll("\\]\\]>", "");
str_nohtml = str_nohtml.replaceAll("\\&[a-zA-Z]{1,10};", "").replaceAll("<[^>]*>", "").replaceAll("[(/>)<]", "");
Log.e("OnlineMusic", "summary 1: " + matcher.group(1));
Log.e("OnlineMusic", "summary 2: " + str_nohtml);
if(str_nohtml.length() > 108)
mSummary = str_nohtml.substring(0, 108);
else
mSummary = str_nohtml;
mSummary += "...(more)";
mContent = new String(str_nohtml.getBytes(), "UTF-8");
if (!inCache) {
Util.saveFileInThread(httpresponse, Const.cachedir+Util.getHashcode(rurl));
}
}
} catch (IOException e) {
ShowToastMessage("Network can not connect, please try again.");
e.printStackTrace();
}
}
public static String splitAndFilterString(String input, int length) {
if (input == null || input.trim().equals("")) {
return "";
}
// 去掉所有html元素,
String str = input.replaceAll("\\&[a-zA-Z]{1,10};", "").replaceAll(
"<[^>]*>", "");
str = str.replaceAll("[(/>)<]", "");
int len = str.length();
if (len <= length) {
return str;
} else {
str = str.substring(0, length);
str += "......";
}
return str;
}
private void ShowToastMessage(final String message) {
this.runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(Artist.this, message, Toast.LENGTH_SHORT).show();
}
});
}
private void updatArtistInfo() {
this.runOnUiThread(new Runnable() {
public void run() {
try{
findViewById(R.id.center_processbar).setVisibility(View.GONE);
mImage.setImageBitmap(mArtistImage);
mTopTracksList.setVisibility(View.VISIBLE);
}catch(Exception e) {
e.printStackTrace();
}
}
});
}
private void getArtistTopTracks(String rurl) {
String httpresponse = null;
boolean inCache = Util.inCache(rurl, Const.OneWeek);
if (inCache) {
httpresponse = Util.readFile(Const.cachedir+Util.getHashcode(rurl));
} else {
httpresponse = NetUtils.loadString(rurl);
}
if(httpresponse == null || httpresponse.length() == 0)
return;
Pattern pattern = Pattern.compile("<name>([\\s\\S]*?)</name>");
Matcher matcher = pattern.matcher(httpresponse);
int rank = 1;
while(matcher.find()) {
if(!matcher.group(1).toUpperCase().equals(mArtistName.toUpperCase())){
mTopTracksStrings.add(rank + ". " + matcher.group(1));
mTopTracks.add( matcher.group(1));
rank++;
}
}
if (rank > 1 && !inCache) {
Util.saveFileInThread(httpresponse, Const.cachedir+Util.getHashcode(rurl));
}
}
private void updatArtistTopTracks() {
this.runOnUiThread(new Runnable() {
public void run() {
try{
mTopTracksAdapter.notifyDataSetChanged();
}catch(Exception e) {
e.printStackTrace();
}
}
});
}
}