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Tidy up AssetDataSource.

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This commit is contained in:
Oliver Woodman 2015-05-01 20:23:02 +01:00
parent 053e5b9f1c
commit 5ea7424ee3
1 changed files with 12 additions and 13 deletions
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25
library/src/main/java/com/google/android/exoplayer/upstream/AssetDataSource.java
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@ -15,16 +15,14 @@
*/
package com.google.android.exoplayer.upstream;
import com.google.android.exoplayer.C;
import android.content.res.AssetManager;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import android.content.res.AssetManager;
import android.util.Log;
import com.google.android.exoplayer.C;
import com.google.android.exoplayer.upstream.FileDataSource.FileDataSourceException;
/**
* A local asset {@link DataSource}.
*/
@ -41,10 +39,10 @@ public final class AssetDataSource implements DataSource {
}
private final AssetManager assetManager;
private final TransferListener listener;
private InputStream assetInputStream;
private AssetManager assetManager;
private long bytesRemaining;
private boolean opened;
@ -52,7 +50,7 @@ public final class AssetDataSource implements DataSource {
* Constructs a new {@link DataSource} that retrieves data from a local asset.
*/
public AssetDataSource(AssetManager assetManager) {
this(assetManager, null);
this(assetManager, null);
}
/**
@ -69,7 +67,8 @@ public final class AssetDataSource implements DataSource {
public long open(DataSpec dataSpec) throws AssetDataSourceException {
try {
// Lose the '/' prefix in the path or else AssetManager won't find our file
assetInputStream = assetManager.open(dataSpec.uri.getPath().substring(1), AssetManager.ACCESS_RANDOM);
assetInputStream = assetManager.open(dataSpec.uri.getPath().substring(1),
AssetManager.ACCESS_RANDOM);
assetInputStream.skip(dataSpec.position);
bytesRemaining = dataSpec.length == C.LENGTH_UNBOUNDED ? assetInputStream.available()
: dataSpec.length;
@ -94,7 +93,8 @@ public final class AssetDataSource implements DataSource {
} else {
int bytesRead = 0;
try {
bytesRead = assetInputStream.read(buffer, offset, (int) Math.min(bytesRemaining, readLength));
bytesRead = assetInputStream.read(buffer, offset,
(int) Math.min(bytesRemaining, readLength));
} catch (IOException e) {
throw new AssetDataSourceException(e);
}
@ -114,12 +114,11 @@ public final class AssetDataSource implements DataSource {
public void close() throws AssetDataSourceException {
if (assetInputStream != null) {
try {
assetInputStream.close();
assetInputStream.close();
} catch (IOException e) {
throw new AssetDataSourceException(e);
} finally {
assetInputStream = null;
assetInputStream = null;
if (opened) {
opened = false;
if (listener != null) {