Load local manga pages directly #552
parent
0c839ce49a
commit
880dd6da27
GPG Key ID:
676DEE768C17A9D7
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package org.koitharu.kotatsu.core.util.ext
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import android.net.Uri
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import androidx.core.net.toFile
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import okio.Source
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import okio.source
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import okio.use
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import org.koitharu.kotatsu.local.data.util.withExtraCloseable
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import java.io.File
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import java.util.zip.ZipFile
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const val URI_SCHEME_FILE = "file"
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const val URI_SCHEME_ZIP = "file+zip"
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fun Uri.exists(): Boolean = when (scheme) {
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URI_SCHEME_FILE -> toFile().exists()
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URI_SCHEME_ZIP -> {
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val file = File(requireNotNull(schemeSpecificPart))
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file.exists() && ZipFile(file).use { it.getEntry(fragment) != null }
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}
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else -> unsupportedUri(this)
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}
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fun Uri.isTargetNotEmpty(): Boolean = when (scheme) {
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URI_SCHEME_FILE -> toFile().isNotEmpty()
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URI_SCHEME_ZIP -> {
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val file = File(requireNotNull(schemeSpecificPart))
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file.exists() && ZipFile(file).use { (it.getEntry(fragment)?.size ?: 0L) != 0L }
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}
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else -> unsupportedUri(this)
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}
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fun Uri.source(): Source = when (scheme) {
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URI_SCHEME_FILE -> toFile().source()
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URI_SCHEME_ZIP -> {
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val zip = ZipFile(schemeSpecificPart)
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val entry = zip.getEntry(fragment)
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zip.getInputStream(entry).source().withExtraCloseable(zip)
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}
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else -> unsupportedUri(this)
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}
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fun File.toZipUri(entryName: String): Uri = Uri.parse("$URI_SCHEME_ZIP://$absolutePath#$entryName")
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private fun unsupportedUri(uri: Uri): Nothing {
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throw IllegalArgumentException("Bad uri $uri: only schemes $URI_SCHEME_FILE and $URI_SCHEME_ZIP are supported")
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}
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@ -1,32 +0,0 @@
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package org.koitharu.kotatsu.core.zip
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import android.net.Uri
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import androidx.annotation.WorkerThread
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import androidx.collection.LruCache
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import okhttp3.internal.closeQuietly
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import okio.Source
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import okio.source
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import java.io.File
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import java.util.zip.ZipFile
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class ZipPool(maxSize: Int) : LruCache<String, ZipFile>(maxSize) {
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override fun entryRemoved(evicted: Boolean, key: String, oldValue: ZipFile, newValue: ZipFile?) {
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super.entryRemoved(evicted, key, oldValue, newValue)
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oldValue.closeQuietly()
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}
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override fun create(key: String): ZipFile {
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return ZipFile(File(key), ZipFile.OPEN_READ)
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}
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@Synchronized
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@WorkerThread
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operator fun get(uri: Uri): Source {
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val zip = requireNotNull(get(uri.schemeSpecificPart)) {
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"Cannot obtain zip by \"$uri\""
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}
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val entry = zip.getEntry(uri.fragment)
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return zip.getInputStream(entry).source()
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}
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}
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