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beaver

★ 63 Open GitHub ↗

Beaver is a lightweight url meta data parser library.

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# beaver

[![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-beaver-green.svg)]( https://android-arsenal.com/details/1/7643 )

Beaver is a lightweight url meta data parser library. Beaver, loads the metadata of the given url and stores it locally and caches in memory by default. Beaver uses ```Kotlin-Coroutines``` for background operations. ```Room``` is used for local cache operations.

### Tech Stack:
- Kotlin
- Kotlin Coroutines
- Room
- Repository pattern

### How to use?

It's easy to use. Just Init ```Beaver``` before start using.
```kotlin
Beaver.build(this)
```
And load url's metadata like the following:
```kotlin
launch {
  val metaData = Beaver.load("https://www.example.com").await()
  if (metaData != null) {
    // do what ever you want with your meta data..
  }
```
With defaults, load method checks memory cache, local cache and if there's no metadata available in caches it parses metada data from remote.

You can force to refresh with ```RemoteDataSource```
```kotlin
Beaver.load("https://www.example.com",forceRefresh = true).await()
```

You can use only cache sources with
```kotlin
Beaver.load("https://www.example.com",forceLocal = true).await()
```

You can destroy ```Beaver``` easily with
```kotlin
Beaver.destroy()
```

You can drop cache
```kotlin
Beaver.dropCache()()
```

Or you can just drop local cache. By default, this clears all the local db
```kotlin
Beaver.dropLocalCache()()
```

If you want to drop only one item's local cache you can pass a url
```kotlin
Beaver.dropLocalCache("https://www.example.com")
```

### Customizing Beaver

```Beaver``` is fully customizable.

You can implement your own metada data parser with implementing ```MetaDataParser``` and passing to ```Beaver``` By defaults, Beaver uses meta data parser implementation of **PannomKathrik's** ```RichLinkPreview``` library's meta data parser implementation. You can find this useful library from here: https://github.com/PonnamKarthik/RichLinkPreview

```kotlin
Beaver.build(this, metaDataParser = yourCustomMetaDataParserImpl)
```

By defaults, ```Beaver``` uses it's own ```AsnyManager``` for handling async operations. If you need you can implement ```AsyncManager``` pass it to ```Beaver``` and use your own implementation for async operations.
```kotlin
Beaver.build(this, asyncManager = yourCustomAsyncManagerImpl)
```

Also you can use your own memory cache implementation. You can implement ```DataSource.Cache<String, MetaData>?``` and pass while building.
```kotlin
Beaver.build(this, cacheDataSource = yourCacheDataSourceImpl)
```

You can customize your local storing implementation. By defaults ```Beaver``` uses it's own local cache implementation which uses Room. You can implement ```DataSource.Local<String, MetaData>?``` and pass it to ```Beaver``` instance while building.
```kotlin
Beaver.build(this, localDataSource = yourLocalDataSourceImpl)
```

### Dependency<br>
```
maven { url 'https://jitpack.io' }
```
```
dependencies {
    implementation 'com.github.savepopulation:beaver:1.0.1'
}
```

### Apps Using in Production
- [Phone Box](https://play.google.com/store/apps/details?id=com.raqun.phonebox)
- [AppLocker](https://play.google.com/store/apps/details?id=com.momentolabs.app.security.applocker)
- [La3eb](https://play.google.com/store/apps/details?id=com.mecl.la3eb)

### Screenshots:
<img src="https://github.com/savepopulation/beaver/blob/master/art/ss1.png"
height="384" width="210">

Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
```

beaver

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