436 lines
16 KiB
Java
436 lines
16 KiB
Java
package com.hippo.ehviewer.network;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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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.SocketException;
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import java.net.SocketTimeoutException;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.net.UnknownHostException;
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import java.util.zip.GZIPInputStream;
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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.content.Context;
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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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public static final int HTTP_TEMP_REDIRECT = 307;
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private static String defaultUserAgent = "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 String userAgent = System.getProperty("http.agent", defaultUserAgent);
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private static final int DEFAULT_TIMEOUT = 5 * 1000;
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private static final int MAX_REDIRECTS = 5;
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private Context mContext;
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private int responseCode;
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private Exception mException;
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public HttpHelper(Context context) {
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mContext = context;
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}
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/**
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* Get last error message
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* @return
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*/
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public String getEMsg() {
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if (mException == null)
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return mContext.getString(R.string.em_unknown_error);
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else if (mException instanceof MalformedURLException)
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return mContext.getString(R.string.em_url_format_error);
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else if (mException instanceof ConnectTimeoutException ||
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mException instanceof SocketTimeoutException)
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return mContext.getString(R.string.em_timeout);
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else if (mException instanceof UnknownHostException)
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return mContext.getString(R.string.em_unknown_host);
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else if (mException instanceof ResponseCodeException)
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return String.format(mContext.getString(R.string.em_unexpected_response_code), responseCode);
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else if (mException instanceof RedirectionException)
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return mContext.getString(R.string.em_redirection_error);
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else if (mException instanceof SocketException)
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return "SocketException : " + mException.getMessage();
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else
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return mContext.getString(R.string.em_unknown_error) + " : " + mException.getMessage();
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}
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private String getPageContext(HttpURLConnection conn)
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throws IOException {
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String pageContext = null;
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InputStream is = null;
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ByteArrayOutputStream baos = null;
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try {
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is = conn.getInputStream();
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String encoding = conn.getContentEncoding();
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if (encoding != null && encoding.equals("gzip"))
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is = new GZIPInputStream(is);
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baos = new ByteArrayOutputStream();
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Util.copy(is, baos, 1024);
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// TODO charset
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pageContext = baos.toString("utf-8");
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} catch (IOException e) {
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throw e;
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} finally {
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Util.closeStreamQuietly(is);
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Util.closeStreamQuietly(baos);
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}
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return pageContext;
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}
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public String get(String urlStr) {
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mException = null;
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int redirectionCount = 0;
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URL url = null;
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HttpURLConnection conn = null;
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try {
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url = new URL(urlStr);
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while (redirectionCount++ < MAX_REDIRECTS) {
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conn = (HttpURLConnection) url.openConnection();
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conn.addRequestProperty("Accept-Encoding", "gzip");
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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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responseCode = conn.getResponseCode();
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switch (responseCode) {
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case HttpURLConnection.HTTP_OK:
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case HttpURLConnection.HTTP_PARTIAL:
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return getPageContext(conn);
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case HttpURLConnection.HTTP_MOVED_PERM:
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case HttpURLConnection.HTTP_MOVED_TEMP:
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case HttpURLConnection.HTTP_SEE_OTHER:
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case HTTP_TEMP_REDIRECT:
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final String location = conn.getHeaderField("Location");
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url = new URL(url, location);
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continue;
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default:
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throw new ResponseCodeException(responseCode);
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}
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}
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if (redirectionCount > MAX_REDIRECTS)
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throw new RedirectionException();
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} catch (Exception e) {
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mException = e;
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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 null;
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}
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public String post(String urlStr, String[][] args) {
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mException = null;
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int redirectionCount = 0;
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URL url = null;
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HttpURLConnection conn = null;
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try {
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url = new URL(urlStr);
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while (redirectionCount++ < MAX_REDIRECTS) {
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conn = (HttpURLConnection) url.openConnection();
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conn.addRequestProperty("Accept-Encoding", "gzip");
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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.setDoOutput(true);
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conn.setDoInput(true);
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conn.setRequestMethod("POST");
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conn.setUseCaches(false);
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conn.setInstanceFollowRedirects(true);
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conn.setRequestProperty("Content-Type",
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"application/x-www-form-urlencoded");
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DataOutputStream out = new DataOutputStream(conn.getOutputStream());
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StringBuilder sb = new StringBuilder();
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int i = 0;
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for (String[] arg : args) {
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if (i != 0)
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sb.append("&");
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sb.append(URLEncoder.encode(arg[0], "UTF-8"));
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sb.append("=");
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sb.append(URLEncoder.encode(arg[1], "UTF-8"));
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i++;
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}
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out.writeBytes(sb.toString());
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out.flush();
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out.close();
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conn.connect();
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responseCode = conn.getResponseCode();
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switch (responseCode) {
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case HttpURLConnection.HTTP_OK:
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case HttpURLConnection.HTTP_PARTIAL:
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return getPageContext(conn);
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case HttpURLConnection.HTTP_MOVED_PERM:
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case HttpURLConnection.HTTP_MOVED_TEMP:
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case HttpURLConnection.HTTP_SEE_OTHER:
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case HTTP_TEMP_REDIRECT:
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final String location = conn.getHeaderField("Location");
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url = new URL(url, location);
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continue;
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default:
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throw new ResponseCodeException(responseCode);
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}
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}
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if (redirectionCount > MAX_REDIRECTS)
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throw new RedirectionException();
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} catch (Exception e) {
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mException = e;
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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 null;
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}
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public String post(String urlStr, String str) {
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mException = null;
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int redirectionCount = 0;
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URL url = null;
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HttpURLConnection conn = null;
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try {
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url = new URL(urlStr);
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while (redirectionCount++ < MAX_REDIRECTS) {
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conn = (HttpURLConnection) url.openConnection();
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conn.addRequestProperty("Accept-Encoding", "gzip");
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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.setDoOutput(true);
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conn.setDoInput(true);
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conn.setRequestMethod("POST");
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conn.setUseCaches(false);
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conn.setInstanceFollowRedirects(true);
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DataOutputStream out = new DataOutputStream(conn.getOutputStream());
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out.writeBytes(str);
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out.flush();
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out.close();
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conn.connect();
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responseCode = conn.getResponseCode();
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switch (responseCode) {
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case HttpURLConnection.HTTP_OK:
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case HttpURLConnection.HTTP_PARTIAL:
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return getPageContext(conn);
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case HttpURLConnection.HTTP_MOVED_PERM:
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case HttpURLConnection.HTTP_MOVED_TEMP:
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case HttpURLConnection.HTTP_SEE_OTHER:
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case HTTP_TEMP_REDIRECT:
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final String location = conn.getHeaderField("Location");
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url = new URL(url, location);
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continue;
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default:
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throw new ResponseCodeException(responseCode);
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}
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}
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if (redirectionCount > MAX_REDIRECTS)
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throw new RedirectionException();
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} catch (Exception e) {
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mException = e;
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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 null;
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}
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public String postJson(String urlStr, String jsonStr) {
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mException = null;
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int redirectionCount = 0;
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URL url = null;
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HttpURLConnection conn = null;
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try {
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url = new URL(urlStr);
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while (redirectionCount++ < MAX_REDIRECTS) {
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conn = (HttpURLConnection) url.openConnection();
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conn.addRequestProperty("Accept-Encoding", "gzip");
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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.setDoOutput(true);
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conn.setDoInput(true);
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conn.setRequestMethod("POST");
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conn.setUseCaches(false);
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conn.setInstanceFollowRedirects(true);
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conn.setRequestProperty("Content-Type", "application/json");
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conn.setRequestProperty("Accept", "application/json");
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DataOutputStream out = new DataOutputStream(conn.getOutputStream());
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out.writeBytes(jsonStr);
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out.flush();
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out.close();
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conn.connect();
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responseCode = conn.getResponseCode();
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switch (responseCode) {
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case HttpURLConnection.HTTP_OK:
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case HttpURLConnection.HTTP_PARTIAL:
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return getPageContext(conn);
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case HttpURLConnection.HTTP_MOVED_PERM:
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case HttpURLConnection.HTTP_MOVED_TEMP:
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case HttpURLConnection.HTTP_SEE_OTHER:
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case HTTP_TEMP_REDIRECT:
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final String location = conn.getHeaderField("Location");
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url = new URL(url, location);
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continue;
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default:
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throw new ResponseCodeException(responseCode);
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}
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}
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if (redirectionCount > MAX_REDIRECTS)
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throw new RedirectionException();
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} catch (Exception e) {
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mException = e;
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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 null;
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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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mException = null;
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int redirectionCount = 0;
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URL url = null;
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HttpURLConnection conn = null;
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ByteArrayOutputStream baos = null;
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InputStream is = null;
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try {
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url = new URL(urlStr);
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while (redirectionCount++ < MAX_REDIRECTS) {
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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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responseCode = conn.getResponseCode();
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switch (responseCode) {
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case HttpURLConnection.HTTP_OK:
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case HttpURLConnection.HTTP_PARTIAL:
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Bitmap bitmap = null;
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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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boolean twice = memoryCache != null || getImage;
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if (twice) {
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baos = new ByteArrayOutputStream();
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Util.copy(is, baos);
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byte[] bytes = baos.toByteArray();
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// To disk cache
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is = new ByteArrayInputStream(bytes);
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diskCache.put(key, is);
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is.close();
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//
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is = new ByteArrayInputStream(bytes);
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Bitmap bmp = BitmapFactory.decodeStream(is, null, Ui.getBitmapOpt());
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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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is.close();
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baos.close();
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} else {
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diskCache.put(key, is);
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}
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}
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return bitmap;
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case HttpURLConnection.HTTP_MOVED_PERM:
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case HttpURLConnection.HTTP_MOVED_TEMP:
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case HttpURLConnection.HTTP_SEE_OTHER:
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case HTTP_TEMP_REDIRECT:
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final String location = conn.getHeaderField("Location");
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url = new URL(url, location);
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continue;
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default:
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throw new ResponseCodeException(responseCode);
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}
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}
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if (redirectionCount > MAX_REDIRECTS)
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throw new RedirectionException();
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} catch (Exception e) {
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mException = e;
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e.printStackTrace();
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} finally {
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if (baos != null)
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Util.closeStreamQuietly(baos);
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if (is != null)
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Util.closeStreamQuietly(is);
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if (conn != null)
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conn.disconnect();
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}
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return null;
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}
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}
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