diff options
Diffstat (limited to 'shared/src/main')
3 files changed, 44 insertions, 9 deletions
diff --git a/shared/src/main/java/com/google/archivepatcher/shared/ByteArrayInputStreamFactory.java b/shared/src/main/java/com/google/archivepatcher/shared/ByteArrayInputStreamFactory.java new file mode 100644 index 0000000..0df3c1c --- /dev/null +++ b/shared/src/main/java/com/google/archivepatcher/shared/ByteArrayInputStreamFactory.java @@ -0,0 +1,36 @@ +// Copyright 2016 Google Inc. All rights reserved. +// +// 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. + +package com.google.archivepatcher.shared; + +import java.io.ByteArrayInputStream; +import java.io.IOException; + +/** + * A {@link MultiViewInputStreamFactory} which creates {@link ByteArrayInputStream}s based on the + * given {@code byte[]} in {@link #ByteArrayInputStreamFactory(byte[])}. + */ +public class ByteArrayInputStreamFactory implements MultiViewInputStreamFactory { + + private final byte[] bytes; + + public ByteArrayInputStreamFactory(byte[] bytes) { + this.bytes = bytes; + } + + @Override + public ByteArrayInputStream newStream() throws IOException { + return new ByteArrayInputStream(bytes); + } +} diff --git a/shared/src/main/java/com/google/archivepatcher/shared/MultiViewInputStreamFactory.java b/shared/src/main/java/com/google/archivepatcher/shared/MultiViewInputStreamFactory.java index f25dcc5..9b861b3 100644 --- a/shared/src/main/java/com/google/archivepatcher/shared/MultiViewInputStreamFactory.java +++ b/shared/src/main/java/com/google/archivepatcher/shared/MultiViewInputStreamFactory.java @@ -18,17 +18,17 @@ import java.io.IOException; import java.io.InputStream; /** - * A factory that produces multiple independent but identical byte streams exposed via the - * {@link InputStream} class. - * @param <T> the type of {@link InputStream} that is produced + * A factory that produces multiple independent but identical byte streams exposed via the {@link + * InputStream} class. */ -public interface MultiViewInputStreamFactory<T extends InputStream> { +public interface MultiViewInputStreamFactory { /** * Create and return a new {@link InputStream}. The returned stream is guaranteed to independently * produce the same byte sequence as any other stream obtained via a call to this method on the * same instance of this object. + * * @return the stream * @throws IOException if something goes wrong */ - public T newStream() throws IOException; + public InputStream newStream() throws IOException; } diff --git a/shared/src/main/java/com/google/archivepatcher/shared/RandomAccessFileInputStreamFactory.java b/shared/src/main/java/com/google/archivepatcher/shared/RandomAccessFileInputStreamFactory.java index c153be8..0b5c89f 100644 --- a/shared/src/main/java/com/google/archivepatcher/shared/RandomAccessFileInputStreamFactory.java +++ b/shared/src/main/java/com/google/archivepatcher/shared/RandomAccessFileInputStreamFactory.java @@ -18,11 +18,10 @@ import java.io.File; import java.io.IOException; /** - * An implementation of {@link MultiViewInputStreamFactory} that produces instances of - * {@link RandomAccessFileInputStream}. + * An implementation of {@link MultiViewInputStreamFactory} that produces instances of {@link + * RandomAccessFileInputStream}. */ -public class RandomAccessFileInputStreamFactory - implements MultiViewInputStreamFactory<RandomAccessFileInputStream> { +public class RandomAccessFileInputStreamFactory implements MultiViewInputStreamFactory { /** * Argument for {@link RandomAccessFileInputStream#RandomAccessFileInputStream(File, long, long)}. |