96 lines
3.1 KiB
Java
96 lines
3.1 KiB
Java
package com.hippo.ehviewer.network;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.UnknownHostException;
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import org.apache.http.conn.ConnectTimeoutException;
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import com.hippo.ehviewer.DiskCache;
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import com.hippo.ehviewer.R;
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import com.hippo.ehviewer.util.Ui;
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import com.hippo.ehviewer.util.Util;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.support.v4.util.LruCache;
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import android.util.Log;
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/**
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* It is not thread safe
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*
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* @author Hippo
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*
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*/
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public class HttpHelper {
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private static final String TAG = "HttpHelper";
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private static final String userAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.76 Safari/537.36";
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private static final int DEFAULT_TIMEOUT = 5 * 1000;
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private int lastEMsgId = R.string.em_unknown_error;
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/**
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* Get last error message id
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* @return
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*/
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public int getLastEMsgId() {
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return lastEMsgId;
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}
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public Bitmap getImage(String urlStr, String key,
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LruCache<String, Bitmap> memoryCache,
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DiskCache diskCache, boolean getImage) {
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HttpURLConnection conn = null;
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Bitmap bitmap = null;
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try {
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Log.d(TAG, "Get Image " + urlStr);
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URL url = new URL(urlStr);
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conn = (HttpURLConnection)url.openConnection();
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conn.setRequestProperty("User-Agent", userAgent);
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conn.setConnectTimeout(DEFAULT_TIMEOUT);
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conn.setReadTimeout(DEFAULT_TIMEOUT);
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conn.connect();
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InputStream is = conn.getInputStream();
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if (diskCache == null) {
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if (getImage
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&& (bitmap = BitmapFactory.decodeStream(is, null, Ui.getBitmapOpt())) != null) {
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if (memoryCache != null)
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memoryCache.put(key, bitmap);
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}
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} else {
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diskCache.put(key, is);
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if (memoryCache != null || getImage) {
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Bitmap bmp = (Bitmap)diskCache.get(key, Util.BITMAP);
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if (bmp != null) {
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if (memoryCache != null)
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memoryCache.put(key, bmp);
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if (getImage)
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bitmap = bmp;
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}
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}
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}
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} catch (MalformedURLException e) {
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lastEMsgId = R.string.em_url_error;
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e.printStackTrace();
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} catch (ConnectTimeoutException e) {
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lastEMsgId = R.string.em_timeout;
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e.printStackTrace();
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} catch (UnknownHostException e) {
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lastEMsgId = R.string.em_no_network_2;
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e.printStackTrace();
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} catch (IOException e) {
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lastEMsgId = R.string.em_network_error;
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e.printStackTrace();
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} finally {
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if (conn != null)
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conn.disconnect();
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}
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return bitmap;
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}
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}
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