com.android.tools.build.apkzlib.zip

Class LazyDelegateByteSource

java.lang.Object

com.google.common.io.ByteSource

com.android.tools.build.apkzlib.zip.utils.CloseableByteSource

com.android.tools.build.apkzlib.zip.LazyDelegateByteSource

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class LazyDelegateByteSource
extends CloseableByteSource

ByteSource that delegates all operations to another ByteSource. The other byte source, the delegate, may be computed lazily.

Constructor Summary

Constructors

Constructor and Description
LazyDelegateByteSource(com.google.common.util.concurrent.ListenableFuture<CloseableByteSource> delegate) Creates a new byte source that delegates operations to the provided source.

Method Summary

Modifier and Type	Method and Description
com.google.common.io.CharSource	asCharSource(java.nio.charset.Charset charset)
boolean	contentEquals(com.google.common.io.ByteSource other)
long	copyTo(com.google.common.io.ByteSink sink)
long	copyTo(java.io.OutputStream output)
com.google.common.util.concurrent.ListenableFuture<CloseableByteSource>	getDelegate() Obtains the delegate future.
com.google.common.hash.HashCode	hash(com.google.common.hash.HashFunction hashFunction)
void	innerClose() Closes the by source.
boolean	isEmpty()
java.io.InputStream	openBufferedStream()
java.io.InputStream	openStream()
byte[]	read()
<T> T	read(com.google.common.io.ByteProcessor<T> processor)
long	size()
com.google.common.io.ByteSource	slice(long offset, long length)

Methods inherited from class com.android.tools.build.apkzlib.zip.utils.CloseableByteSource

close

Methods inherited from class com.google.common.io.ByteSource

concat, concat, concat, empty, sizeIfKnown, wrap

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LazyDelegateByteSource

public LazyDelegateByteSource(com.google.common.util.concurrent.ListenableFuture<CloseableByteSource> delegate)

Creates a new byte source that delegates operations to the provided source.

Parameters:

delegate - the source that will receive all operations

Method Detail

getDelegate

public com.google.common.util.concurrent.ListenableFuture<CloseableByteSource> getDelegate()

Obtains the delegate future.

Returns:

the delegate future, that may be computed or not

asCharSource

public com.google.common.io.CharSource asCharSource(java.nio.charset.Charset charset)

Overrides:

asCharSource in class com.google.common.io.ByteSource

openBufferedStream

public java.io.InputStream openBufferedStream()
                                       throws java.io.IOException

Overrides:

openBufferedStream in class com.google.common.io.ByteSource

Throws:

java.io.IOException

slice

public com.google.common.io.ByteSource slice(long offset,
                                             long length)

Overrides:

slice in class com.google.common.io.ByteSource

isEmpty

public boolean isEmpty()
                throws java.io.IOException

Overrides:

isEmpty in class com.google.common.io.ByteSource

Throws:

java.io.IOException

size

public long size()
          throws java.io.IOException

Overrides:

size in class com.google.common.io.ByteSource

Throws:

java.io.IOException

copyTo

public long copyTo(java.io.OutputStream output)
            throws java.io.IOException

Overrides:

copyTo in class com.google.common.io.ByteSource

Throws:

java.io.IOException

copyTo

public long copyTo(com.google.common.io.ByteSink sink)
            throws java.io.IOException

Overrides:

copyTo in class com.google.common.io.ByteSource

Throws:

java.io.IOException

read

public byte[] read()
            throws java.io.IOException

Overrides:

read in class com.google.common.io.ByteSource

Throws:

java.io.IOException

read

public <T> T read(com.google.common.io.ByteProcessor<T> processor)
           throws java.io.IOException

Overrides:

read in class com.google.common.io.ByteSource

Throws:

java.io.IOException

hash

public com.google.common.hash.HashCode hash(com.google.common.hash.HashFunction hashFunction)
                                     throws java.io.IOException

Overrides:

hash in class com.google.common.io.ByteSource

Throws:

java.io.IOException

contentEquals

public boolean contentEquals(com.google.common.io.ByteSource other)
                      throws java.io.IOException

Overrides:

contentEquals in class com.google.common.io.ByteSource

Throws:

java.io.IOException

openStream

public java.io.InputStream openStream()
                               throws java.io.IOException

Specified by:

openStream in class com.google.common.io.ByteSource

Throws:

java.io.IOException

innerClose

public void innerClose()
                throws java.io.IOException

Description copied from class: CloseableByteSource

Closes the by source. This method is only invoked once, even if CloseableByteSource.close() is called multiple times.

Specified by:

innerClose in class CloseableByteSource

Throws:

java.io.IOException - failed to close