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Stabilise DefaultDataSource.Factory, including 2 constructors

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This allows apps to customise the HTTP DataSource while still supporting
non-HTTP URIs as well, as documented in our dev guide:
https://exoplayer.dev/network-stacks.html#configuring-exoplayer-to-use-a-specific-network-stack

PiperOrigin-RevId: 437209880
This commit is contained in:
ibaker 2022-03-25 10:48:41 +00:00 committed by Ian Baker
parent c87d16ca63
commit be4cbb886b
1 changed files with 12 additions and 1 deletions
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13
libraries/datasource/src/main/java/androidx/media3/datasource/DefaultDataSource.java
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@ -54,7 +54,6 @@ import java.util.Map;
* #DefaultDataSource(Context, DataSource)}.
* </ul>
*/
@UnstableApi
public final class DefaultDataSource implements DataSource {
/** {@link DataSource.Factory} for {@link DefaultDataSource} instances. */
@ -98,11 +97,13 @@ public final class DefaultDataSource implements DataSource {
* @param transferListener The listener that will be used.
* @return This factory.
*/
@UnstableApi
public Factory setTransferListener(@Nullable TransferListener transferListener) {
this.transferListener = transferListener;
return this;
}
@UnstableApi
@Override
public DefaultDataSource createDataSource() {
DefaultDataSource dataSource =
@ -144,6 +145,7 @@ public final class DefaultDataSource implements DataSource {
*
* @param context A context.
*/
@UnstableApi
public DefaultDataSource(Context context, boolean allowCrossProtocolRedirects) {
this(
context,
@ -162,6 +164,7 @@ public final class DefaultDataSource implements DataSource {
* @param allowCrossProtocolRedirects Whether cross-protocol redirects (i.e. redirects from HTTP
* to HTTPS and vice versa) are enabled when fetching remote data.
*/
@UnstableApi
public DefaultDataSource(
Context context, @Nullable String userAgent, boolean allowCrossProtocolRedirects) {
this(
@ -185,6 +188,7 @@ public final class DefaultDataSource implements DataSource {
* @param allowCrossProtocolRedirects Whether cross-protocol redirects (i.e. redirects from HTTP
* to HTTPS and vice versa) are enabled when fetching remote data.
*/
@UnstableApi
public DefaultDataSource(
Context context,
@Nullable String userAgent,
@ -209,12 +213,14 @@ public final class DefaultDataSource implements DataSource {
* @param baseDataSource A {@link DataSource} to use for URI schemes other than file, asset and
* content. This {@link DataSource} should normally support at least http(s).
*/
@UnstableApi
public DefaultDataSource(Context context, DataSource baseDataSource) {
this.context = context.getApplicationContext();
this.baseDataSource = Assertions.checkNotNull(baseDataSource);
transferListeners = new ArrayList<>();
}
@UnstableApi
@Override
public void addTransferListener(TransferListener transferListener) {
Assertions.checkNotNull(transferListener);
@ -229,6 +235,7 @@ public final class DefaultDataSource implements DataSource {
maybeAddListenerToDataSource(rawResourceDataSource, transferListener);
}
@UnstableApi
@Override
public long open(DataSpec dataSpec) throws IOException {
Assertions.checkState(dataSource == null);
@ -260,22 +267,26 @@ public final class DefaultDataSource implements DataSource {
return dataSource.open(dataSpec);
}
@UnstableApi
@Override
public int read(byte[] buffer, int offset, int length) throws IOException {
return Assertions.checkNotNull(dataSource).read(buffer, offset, length);
}
@UnstableApi
@Override
@Nullable
public Uri getUri() {
return dataSource == null ? null : dataSource.getUri();
}
@UnstableApi
@Override
public Map<String, List<String>> getResponseHeaders() {
return dataSource == null ? Collections.emptyMap() : dataSource.getResponseHeaders();
}
@UnstableApi
@Override
public void close() throws IOException {
if (dataSource != null) {