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JCLOUDS-27: Allow repeatable Payload with InputSupplier input 

This allows HTTP retries to work.  Also remove duplicated calls to
ByteStreams.slice.
This commit is contained in:
Andrew Gaul 2013-05-10 15:39:48 -07:00
parent 0253e9eb86
commit 85e976e7f5
1 changed files with 10 additions and 3 deletions
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13
core/src/main/java/org/jclouds/io/internal/BasePayloadSlicer.java
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@ -34,6 +34,7 @@ import org.jclouds.io.payloads.InputStreamSupplierPayload;
import com.google.common.base.Throwables;
import com.google.common.io.ByteStreams;
import com.google.common.io.Files;
import com.google.common.io.InputSupplier;
/**
*
@ -56,14 +57,16 @@ public class BasePayloadSlicer implements PayloadSlicer {
returnVal = doSlice((byte[]) input.getRawContent(), offset, length);
} else if (input.getRawContent() instanceof byte[]) {
returnVal = doSlice((byte[]) input.getRawContent(), offset, length);
} else if (input.getRawContent() instanceof InputStream) {
returnVal = doSlice((InputStream) input.getRawContent(), offset, length);
} else {
returnVal = doSlice(input.getInput(), offset, length);
returnVal = doSlice(input, offset, length);
}
return copyMetadataAndSetLength(input, returnVal, length);
}
protected Payload doSlice(Payload content, long offset, long length) {
return new InputStreamSupplierPayload(ByteStreams.slice(content, offset, length));
return doSlice((InputSupplier<? extends InputStream>) content, offset, length);
}
protected Payload doSlice(String content, long offset, long length) {
@ -71,7 +74,7 @@ public class BasePayloadSlicer implements PayloadSlicer {
}
protected Payload doSlice(File content, long offset, long length) {
return new InputStreamSupplierPayload(ByteStreams.slice(Files.newInputStreamSupplier(content), offset, length));
return doSlice(Files.newInputStreamSupplier(content), offset, length);
}
protected Payload doSlice(InputStream content, long offset, long length) {
@ -83,6 +86,10 @@ public class BasePayloadSlicer implements PayloadSlicer {
return new InputStreamPayload(ByteStreams.limit(content, length));
}
protected Payload doSlice(InputSupplier<? extends InputStream> content, long offset, long length) {
return new InputStreamSupplierPayload(ByteStreams.slice(content, offset, length));
}
protected Payload doSlice(byte[] content, long offset, long length) {
Payload returnVal;
checkArgument(offset <= Integer.MAX_VALUE, "offset is too big for an array");