public void put(String key, Bitmap image) {
if (key == null || image == null) {
return;
}
addBitmapToMemoryCache(key, image);
DiskLruCache.Editor editor = null;
try {
editor = _diskCache.edit(key);
if (editor == null || image == null) {
return;
}
if (writeBitmapToFile(image, editor)) {
_diskCache.flush();
editor.commit();
} else {
editor.abort();
}
} catch (IOException e) {
try {
if (editor != null) {
editor.abort();
}
} catch (IOException ignored) {
}
}
}
public Bitmap getBitmap(String key) {
if (key == null) {
return null;
}
Bitmap bitmap = getBitmapFromMemCache(key);
if (bitmap != null) {
return bitmap;
}
DiskLruCache.Snapshot snapshot = null;
try {
snapshot = _diskCache.get(key);
if (snapshot == null) {
return null;
}
final InputStream in = snapshot.getInputStream(0);
if (in != null) {
final BufferedInputStream buffIn = new BufferedInputStream(in, Utilities.IO_BUFFER_SIZE);
bitmap = BitmapFactory.decodeStream(buffIn);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (snapshot != null) {
snapshot.close();
}
}
return bitmap;
}
public String getstartCursor(String key) {
String startCursor = null;
try {
DiskLruCache.Snapshot snapShot = diskCache.get(key);
if (snapShot != null) {
InputStream in = snapShot.getInputStream(0);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
// 读取缓存
byte[] buffer = new byte[2048];
int length = 0;
while ((length = in.read(buffer)) != -1) {
bos.write(buffer, 0, length); // 写入输出流
}
in.close(); // 读取完毕，关闭输入流
startCursor = bos.toString();
// System.out.println("getstartCursor "+key+"|"+startCursor);
}
} catch (IOException e) {
e.printStackTrace();
}
return startCursor;
}
public CacheItem put(final String url, final Object obj, DateTime expiresAt) {
if (obj == null) {
return null;
}
Timber.d(String.format("put(%s)", url));
CacheItem d = new CacheItem(obj, expiresAt);
if (null != mMemoryCache) {
mMemoryCache.put(url, d);
}
if (null != mDiskCache) {
checkNotOnMainThread();
final String key = transformUrlForDiskCacheKey(url);
final ReentrantLock lock = getLockForDiskCacheEdit(key);
lock.lock();
try {
DiskLruCache.Editor editor = mDiskCache.edit(key);
writeValueToDisk(editor.newOutputStream(0), obj);
writeExpirationToDisk(editor.newOutputStream(1), expiresAt);
editor.commit();
} catch (IOException e) {
e.printStackTrace();
} finally {
lock.unlock();
scheduleDiskCacheFlush();
}
}
return d;
}
public void clearCache() {
try {
_diskCache.delete();
} catch (IOException e) {
e.printStackTrace();
}
}
public void run() {
// Make sure we're running with a background priority
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
try {
mDiskCache.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public Bitmap getBitmap(String url) {
Bitmap bitmap = null;
if (mMemoryCache.get(url) != null) {
bitmap = mMemoryCache.get(url);
} else {
String key = CommonUtils.encryptionWithMD5(url);
try {
if (mDiskLruCache.get(key) != null) {
CommonUtils.log("hehe");
DiskLruCache.Snapshot snapShot = mDiskLruCache.get(key);
InputStream is = snapShot.getInputStream(0);
bitmap = BitmapFactory.decodeStream(is);
}
} catch (IOException e) {
e.printStackTrace();
}
}
return bitmap;
}
private Snapshot getDiskLruCacheSnapshot(String key) {
if (mDiskLruCache != null) {
key = generateDiskLruCacheKey(key);
try {
return mDiskLruCache.get(key);
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
private DiskLruCache.Editor getDiskEditor(String key) {
if (mDiskLruCache != null) {
try {
key = generateDiskLruCacheKey(key);
return mDiskLruCache.edit(key);
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
@Override
public boolean clear() {
if (mDiskLruCache != null) {
try {
mDiskLruCache.delete();
return true;
} catch (IOException e) {
e.printStackTrace();
}
}
return false;
}
public CacheItem getFromDiskCache(final String url, boolean checkExpiration) {
CacheItem result = null;
if (null != mDiskCache) {
checkNotOnMainThread();
try {
final String key = transformUrlForDiskCacheKey(url);
DiskLruCache.Snapshot snapshot = mDiskCache.get(key);
if (null != snapshot) {
Object value = readValueFromDisk(snapshot.getInputStream(0));
DateTime expiresAt = new DateTime(readExpirationFromDisk(snapshot.getInputStream(1)));
if (value != null) {
if (checkExpiration && expiresAt.isBeforeNow()) {
mDiskCache.remove(key);
scheduleDiskCacheFlush();
} else {
result = new CacheItem(value, expiresAt);
if (null != mMemoryCache) {
mMemoryCache.put(url, result);
}
}
} else {
// If we get here, the file in the cache can't be
// decoded. Remove it and schedule a flush.
mDiskCache.remove(key);
scheduleDiskCacheFlush();
}
}
} catch (IOException e) {
Timber.e(e, "getFromDiskCache failed.");
}
}
return result;
}
public boolean containsInDiskCache(String url) {
if (null != mDiskCache) {
checkNotOnMainThread();
try {
return null != mDiskCache.get(transformUrlForDiskCacheKey(url));
} catch (IOException e) {
e.printStackTrace();
}
}
return false;
}
public ImageCache(Context context) {
try {
_memoryCache =
new LruCache<String, Bitmap>(MEMORY_CACHE_SIZE) {
protected int sizeOf(String key, Bitmap value) {
return value.getRowBytes() * value.getHeight();
}
};
final File diskCacheDir = getDiskCacheDir(context, DISK_CACHE_SUBDIR);
_diskCache = DiskLruCache.open(diskCacheDir, APP_VERSION, VALUE_COUNT, DISK_CACHE_SIZE);
} catch (IOException e) {
e.printStackTrace();
}
}
public FavurlShowDiskCache(Context context) {
File cacheDir = CommonUtils.getDiskCacheDir(context, Constants.FAVURL_CACHE_DIR);
if (!cacheDir.exists()) {
cacheDir.mkdirs();
}
try {
diskCache =
DiskLruCache.open(
cacheDir, CommonUtils.getAppVersion(context), 1, Constants.BITMAP_CACHE_MAX_SIZE);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void remove(String url) {
if (null != mMemoryCache) {
mMemoryCache.remove(url);
}
if (null != mDiskCache) {
checkNotOnMainThread();
try {
mDiskCache.remove(transformUrlForDiskCacheKey(url));
scheduleDiskCacheFlush();
} catch (IOException e) {
e.printStackTrace();
}
}
}
public ArrayList<FavURLShow> getFavurlshowlist(String key) {
ArrayList<FavURLShow> list = null;
try {
DiskLruCache.Snapshot snapShot = diskCache.get(key);
if (snapShot != null) {
ObjectInputStream in = new ObjectInputStream(snapShot.getInputStream(0));
list = (ArrayList<FavURLShow>) in.readObject();
}
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return list;
}
public boolean containsKey(String key) {
if (key == null) {
return false;
}
boolean contained = false;
DiskLruCache.Snapshot snapshot = null;
try {
snapshot = _diskCache.get(key);
contained = snapshot != null;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (snapshot != null) {
snapshot.close();
}
}
return contained;
}
public CustomImageCache() {
int maxSize = (int) Runtime.getRuntime().maxMemory() / 8;
mMemoryCache =
new LruCache<String, Bitmap>(maxSize) {
@Override
protected int sizeOf(String key, Bitmap value) {
// 这个方法一定要重写，不然缓存没有效果
return value.getHeight() * value.getRowBytes();
}
};
try {
// 获取图片缓存路径
File cacheDir = FileUtils.getDiskCacheDir("thumb");
if (!cacheDir.exists()) {
cacheDir.mkdirs();
}
// 创建DiskLruCache实例，初始化缓存数据
mDiskLruCache =
DiskLruCache.open(cacheDir, CommonUtils.getAppVersion(), 1, DISK_CACHE_MAX_SIZE);
} catch (IOException e) {
e.printStackTrace();
}
}
do {
if (var3_4 < this.valueCount) {
var1_1 = var8_3.getDirtyFile(var3_4);
if (var2_2) {
if (var1_1.exists()) {
var9_7 = var8_3.getCleanFile(var3_4);
var1_1.renameTo(var9_7);
var4_5 = Entry.access$1000(var8_3)[var3_4];
Entry.access$1000((Entry)var8_3)[var3_4] = var6_6 = var9_7.length();
this.size = this.size - var4_5 + var6_6;
}
} else {
DiskLruCache.deleteIfExists((File)var1_1);
}
} else {
++this.redundantOpCount;
Entry.access$702(var8_3, null);
if (Entry.access$600(var8_3) | var2_2) {
Entry.access$602(var8_3, true);
this.journalWriter.write("CLEAN " + Entry.access$1100(var8_3) + var8_3.getLengths() + '\n');
if (var2_2) {
var4_5 = this.nextSequenceNumber;
this.nextSequenceNumber = 1 + var4_5;
Entry.access$1202(var8_3, var4_5);
}
} else {
this.lruEntries.remove(Entry.access$1100(var8_3));
this.journalWriter.write("REMOVE " + Entry.access$1100(var8_3) + '\n');
}
this.journalWriter.flush();
if (this.size <= this.maxSize && !this.journalRebuildRequired()) ** continue;
this.executorService.submit(this.cleanupCallable);
return;
}
++var3_4;
} while (true);
private void initDiskCache(String path, boolean autoCreate, long maxSize) {
if (mDiskLruCache == null && !TextUtils.isEmpty(path)) {
File f = new File(path);
if (!f.exists() || !f.isDirectory()) {
boolean b = false;
if (autoCreate && f.mkdirs()) {
b = true;
}
if (!b) {
return;
}
}
if (maxSize <= 0) {
return;
}
try {
mDiskLruCache = DiskLruCache.open(f, 1, 1, maxSize);
} catch (IOException e) {
e.printStackTrace();
return;
}
}
}
public File getCacheFolder() {
return _diskCache.getDirectory();
}
public String getString(int n2) throws IOException {
return DiskLruCache.inputStreamToString(this.getInputStream(n2));
}