From: jsimomaa Date: Fri, 3 Aug 2018 07:48:11 +0000 (+0300) Subject: Remove duplicate InputChannel inner classes X-Git-Tag: v1.43.0~136^2~415 X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=commitdiff_plain;h=59cab457bcc89618e8557235fd65eaecbe583592 Remove duplicate InputChannel inner classes gitlab #73 Change-Id: I5ef3948f8b3437345536bd7e121cb3443d8fe26f --- diff --git a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphFileReader.java b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphFileReader.java index 68a94e304..8c82c23bc 100644 --- a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphFileReader.java +++ b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphFileReader.java @@ -5,7 +5,6 @@ import java.io.DataInputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; -import java.nio.ByteBuffer; import java.nio.channels.ReadableByteChannel; import java.util.ArrayList; import java.util.Arrays; @@ -25,39 +24,13 @@ import org.simantics.graph.representation.ByteFileReader; import org.simantics.graph.representation.Extensions; import org.simantics.graph.representation.External; import org.simantics.graph.representation.Identity; +import org.simantics.graph.representation.InputChannel; import org.simantics.graph.representation.Internal; import org.simantics.graph.representation.Root; import org.simantics.graph.representation.Value; final public class StreamingTransferableGraphFileReader extends ByteFileReader { - - final static class InputChannel implements ReadableByteChannel { - - final private InputStream stream; - - public InputChannel(InputStream stream) { - this.stream = stream; - } - - @Override - public boolean isOpen() { - return true; - } - - @Override - public void close() throws IOException { - } - - @Override - public int read(ByteBuffer dst) throws IOException { - int pos = dst.position(); - int limit = dst.limit(); - int i=stream.read(dst.array(), pos, limit-pos); - return i; - } - - } private static boolean init = true; diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/representation/InputChannel.java b/bundles/org.simantics.graph/src/org/simantics/graph/representation/InputChannel.java new file mode 100644 index 000000000..1eb00c2f6 --- /dev/null +++ b/bundles/org.simantics.graph/src/org/simantics/graph/representation/InputChannel.java @@ -0,0 +1,42 @@ +package org.simantics.graph.representation; + +import java.io.IOException; +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.channels.ReadableByteChannel; + +public class InputChannel implements ReadableByteChannel { + + private final InputStream stream; + + public InputChannel(InputStream stream) { + this.stream = stream; + } + + @Override + public boolean isOpen() { + return true; + } + + @Override + public void close() throws IOException { + // NOTE: it is an intentional choice not to close the underlying stream here + // InputStreams given directly to TransferableGraphFileReader are expected to + // be closed outside of this implementation. + } + + @Override + public int read(ByteBuffer dst) throws IOException { + int nRead; + int size = 0; + int position = dst.position(); + int limit = dst.limit(); + // The users of this channel expect that the data is fully read at this point + while ((nRead = stream.read(dst.array(), position, limit - position)) != -1 && limit - position > 0) { + size += nRead; + position += nRead; + } + return size; + } + +} \ No newline at end of file diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphFileReader.java b/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphFileReader.java index 56a112e4d..6fc7ac551 100644 --- a/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphFileReader.java +++ b/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphFileReader.java @@ -53,46 +53,9 @@ final public class TransferableGraphFileReader extends ByteFileReader { } }; - - - final static class InputChannel implements ReadableByteChannel { - - final private InputStream stream; - - public InputChannel(InputStream stream) { - this.stream = stream; - } - - @Override - public boolean isOpen() { - return true; - } - - @Override - public void close() throws IOException { - // NOTE: it is an intentional choice not to close the underlying stream here - // InputStreams given directly to TransferableGraphFileReader are expected to - // be closed outside of this implementation. - } - - @Override - public int read(ByteBuffer dst) throws IOException { - int nRead; - int size = 0; - int position = dst.position(); - int limit = dst.limit(); - // The users of this channel expect that the data is fully read at this point - while ((nRead = stream.read(dst.array(), position, limit - position)) != -1 && limit - position > 0) { - size += nRead; - position += nRead; - } - return size; - } - } - private static boolean init = true; - + final private static int SIZE = 1<<18; final private static int HEADER = headerSize(); final private int header;