DiskLruCache属于目前最好的Disk Cache库了，但是由于其的存取API，并不是特别好用。
ASimpleCache 提供的API属于比较好用的了。
于是萌生想法，对于其公开的API进行扩展，对外除了原有的存取方式以外，提供类似ASimpleCache那样比较简单的API用于存储，而内部的核心实现，依然是DiskLruCache原本的。
put(String key, Bitmap bitmap)
put(String key, byte[] value)
put(String key, String value)
put(String key, JSONObject jsonObject)
put(String key, JSONArray jsonArray)
put(String key, Serializable value)
put(String key, Drawable value)
editor(String key).newOutputStream(0);//原有的方式String getAsString(String key);
JSONObject getAsJson(String key)
JSONArray getAsJSONArray(String key)
<T> T getAsSerializable(String key)
Bitmap getAsBitmap(String key)
byte[] getAsBytes(String key)
Drawable getAsDrawable(String key)
InputStream get(String key);//原有的用法public class CacheTest extends AndroidTestCase
{
DiskLruCacheHelper helper;
private static final String TAG = "CacheTest";
@Override
protected void setUp() throws Exception
{
super.setUp();
Log.e(TAG, "setUp");
helper = new DiskLruCacheHelper(getContext());
}
public void testString() throws IOException
{
helper.put("testString", "张鸿洋");
assertEquals("张鸿洋", helper.getAsString("testString"));
}
public void testGetStringWithoutVal() throws IOException
{
assertEquals(null, helper.getAsString("zhy------zzzzz"));
}
public void testJson()
{
try
{
JSONObject jsonObject = new JSONObject("{\"name\":\"zhy\"}");
helper.put("testJson", jsonObject);
assertEquals(jsonObject.toString(), helper.getAsJson("testJson").toString());
} catch (JSONException e)
{
e.printStackTrace();
}
}
public void testSerializable()
{
User u = new User();
u.name = "张鸿洋";
helper.put("testSerializable", u);
User u2 = helper.getAsSerializable("testSerializable");
assertEquals(u.name, u2.name);
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
public void testBitmap()
{
Bitmap bm = BitmapFactory.decodeResource(getContext().getResources(), R.mipmap.ic_launcher);
helper.put("testBitmap", bm);
Bitmap bm2 = helper.getAsBitmap("testBitmap");
assertEquals(bm.getByteCount(), bm2.getByteCount());
}
public void testDrawable()
{
Drawable d = getContext().getResources().getDrawable(R.mipmap.ic_launcher);
helper.put("testDrawable", d);
Drawable d2 = helper.getAsDrawable("testDrawable");
assertNotNull(d2);
}
private static class User implements Serializable
{
String name;
}
@Override
protected void tearDown() throws Exception
{
super.tearDown();
Log.e(TAG, "tearDown");
helper.close();
}
}
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