Android持久化保存cookie的方法

DefaultHttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet("http://www.hlovey.com"); HttpResponse response = httpclient.execute(httpget); HttpEntity entity = response.getEntity(); List<Cookie> cookies = httpclient.getCookieStore().getCookies(); 

HttpPost httpPost = new HttpPost(url); List<NameValuePair> formparams = new ArrayList<NameValuePair>(); formparams.add(new BasicNameValuePair("id", userid)); formparams.add(new BasicNameValuePair("passwd", passwd)); UrlEncodedFormEntity entity; try {  entity = new UrlEncodedFormEntity(formparams, mobileSMTHEncoding); } catch (UnsupportedEncodingException e1) {  return 3; } httpPost.setEntity(entity); httpPost.setHeader("User-Agent", userAgent); HttpResponse response = httpClient.execute(httpPost); 

 package com.smthbest.smth.util;  import java.util.Locale;  import android/286636.html">android.content.Context;  import android.content.SharedPreferences;  import android.text.TextUtils;  import android.util.Log;  import org.apache.http.client.CookieStore;  import org.apache.http.cookie.Cookie;  import java.io.ByteArrayInputStream;  import java.io.ByteArrayOutputStream;  import java.io.ObjectInputStream;  import java.io.ObjectOutputStream;  import java.util.ArrayList;  import java.util.Date;  import java.util.List;  import java.util.Locale;  import java.util.concurrent.ConcurrentHashMap; ic class PersistentCookieStore implements CookieStore { private static final String LOG_TAG = "PersistentCookieStore"; private static final String COOKIE_PREFS = "CookiePrefsFile"; private static final String COOKIE_NAME_STORE = "names"; private static final String COOKIE_NAME_PREFIX = "cookie_"; private boolean omitNonPersistentCookies = false; private final ConcurrentHashMap<String, Cookie> cookies; private final SharedPreferences cookiePrefs;  /**  * Construct a persistent cookie store.  *  * @param context Context to attach cookie store to  */ public PersistentCookieStore(Context context) {  cookiePrefs = context.getSharedPreferences(COOKIE_PREFS, 0);  cookies = new ConcurrentHashMap<String, Cookie>();   // Load any previously stored cookies into the store  String storedCookieNames = cookiePrefs.getString(COOKIE_NAME_STORE, null);  if (storedCookieNames != null) {  String[] cookieNames = TextUtils.split(storedCookieNames, ",");  for (String name : cookieNames) {   String encodedCookie = cookiePrefs.getString(COOKIE_NAME_PREFIX + name, null);   if (encodedCookie != null) {   Cookie decodedCookie = decodeCookie(encodedCookie);   if (decodedCookie != null) {    cookies.put(name, decodedCookie);   }   }  }   // Clear out expired cookies  clearExpired(new Date());  } }  @Override public void addCookie(Cookie cookie) {  if (omitNonPersistentCookies && !cookie.isPersistent())  return;  String name = cookie.getName() + cookie.getDomain();   // Save cookie into local store, or remove if expired  if (!cookie.isExpired(new Date())) {  cookies.put(name, cookie);  } else {  cookies.remove(name);  }   // Save cookie into persistent store  SharedPreferences.Editor prefsWriter = cookiePrefs.edit();  prefsWriter.putString(COOKIE_NAME_STORE, TextUtils.join(",", cookies.keySet()));  prefsWriter.putString(COOKIE_NAME_PREFIX + name, encodeCookie(new SerializableCookie(cookie)));  prefsWriter.commit(); }  @Override public void clear() {  // Clear cookies from persistent store  SharedPreferences.Editor prefsWriter = cookiePrefs.edit();  for (String name : cookies.keySet()) {  prefsWriter.remove(COOKIE_NAME_PREFIX + name);  }  prefsWriter.remove(COOKIE_NAME_STORE);  prefsWriter.commit();   // Clear cookies from local store  cookies.clear(); }  @Override public boolean clearExpired(Date date) {  boolean clearedAny = false;  SharedPreferences.Editor prefsWriter = cookiePrefs.edit();   for (ConcurrentHashMap.Entry<String, Cookie> entry : cookies.entrySet()) {  String name = entry.getKey();  Cookie cookie = entry.getValue();  if (cookie.isExpired(date)) {   // Clear cookies from local store   cookies.remove(name);    // Clear cookies from persistent store   prefsWriter.remove(COOKIE_NAME_PREFIX + name);    // We've cleared at least one   clearedAny = true;  }  }   // Update names in persistent store  if (clearedAny) {  prefsWriter.putString(COOKIE_NAME_STORE, TextUtils.join(",", cookies.keySet()));  }  prefsWriter.commit();   return clearedAny; }  @Override public List<Cookie> getCookies() {  return new ArrayList<Cookie>(cookies.values()); }  /**  * Will make PersistentCookieStore instance ignore Cookies, which are non-persistent by  * signature (`Cookie.isPersistent`)  *  * @param omitNonPersistentCookies true if non-persistent cookies should be omited  */ public void setOmitNonPersistentCookies(boolean omitNonPersistentCookies) {  this.omitNonPersistentCookies = omitNonPersistentCookies; }  /**  * Non-standard helper method, to delete cookie  *  * @param cookie cookie to be removed  */ public void deleteCookie(Cookie cookie) {  String name = cookie.getName();  cookies.remove(name);  SharedPreferences.Editor prefsWriter = cookiePrefs.edit();  prefsWriter.remove(COOKIE_NAME_PREFIX + name);  prefsWriter.commit(); }  /**  * Serializes Cookie object into String  *  * @param cookie cookie to be encoded, can be null  * @return cookie encoded as String  */ protected String encodeCookie(SerializableCookie cookie) {  if (cookie == null)  return null;  ByteArrayOutputStream os = new ByteArrayOutputStream();  try {  ObjectOutputStream outputStream = new ObjectOutputStream(os);  outputStream.writeObject(cookie);  } catch (Exception e) {  return null;  }   return byteArrayToHexString(os.toByteArray()); }  /**  * Returns cookie decoded from cookie string  *  * @param cookieString string of cookie as returned from http request  * @return decoded cookie or null if exception occured  */ protected Cookie decodeCookie(String cookieString) {  byte[] bytes = hexStringToByteArray(cookieString);  ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);  Cookie cookie = null;  try {  ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);  cookie = ((SerializableCookie) objectInputStream.readObject()).getCookie();  } catch (Exception exception) {  Log.d(LOG_TAG, "decodeCookie failed", exception);  }   return cookie; }  /**  * Using some super basic byte array <-> hex conversions so we don't have to rely on any  * large Base64 libraries. Can be overridden if you like!  *  * @param bytes byte array to be converted  * @return string containing hex values  */ protected String byteArrayToHexString(byte[] bytes) {  StringBuilder sb = new StringBuilder(bytes.length * 2);  for (byte element : bytes) {  int v = element & 0xff;  if (v < 16) {   sb.append('0');  }  sb.append(Integer.toHexString(v));  }  return sb.toString().toUpperCase(Locale.US); }  /**  * Converts hex values from strings to byte arra  *  * @param hexString string of hex-encoded values  * @return decoded byte array  */ protected byte[] hexStringToByteArray(String hexString) {  int len = hexString.length();  byte[] data = new byte[len / 2];  for (int i = 0; i < len; i += 2) {  data[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4) + Character.digit(hexString.charAt(i + 1), 16));  }  return data; } 

PersistentCookieStore myCookieStore = App.getInstance().getPersistentCookieStore(); List<Cookie> cookies = httpClient.getCookieStore().getCookies(); for (Cookie cookie:cookies){  myCookieStore.addCookie(cookie); } 

PersistentCookieStore cookieStore = new PersistentCookieStore(SmthBestApp.getInstance().getApplicationContext()); httpClient.setCookieStore(cookieStore); HttpResponse response = httpClient.execute(httpget);