added WriteTo interface for streaming puts

This commit is contained in:
Adrian Cole 2010-08-11 02:13:28 -07:00
parent e99baf92a7
commit 7a593a1630
7 changed files with 335 additions and 104 deletions

View File

@ -38,7 +38,6 @@ import static com.google.common.util.concurrent.Futures.immediateFuture;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
@ -95,13 +94,13 @@ import com.google.common.base.Predicate;
import com.google.common.base.Throwables;
import com.google.common.collect.Iterables;
import com.google.common.collect.Multimaps;
import com.google.common.io.Closeables;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.inject.internal.Nullable;
/**
* Implementation of {@link BaseAsyncBlobStore} which keeps all data in a local Map object.
* Implementation of {@link BaseAsyncBlobStore} which keeps all data in a local
* Map object.
*
* @author Adrian Cole
* @author James Murty
@ -119,8 +118,7 @@ public class TransientAsyncBlobStore extends BaseAsyncBlobStore {
@Inject
protected TransientAsyncBlobStore(BlobStoreContext context, DateService dateService, Crypto crypto,
ConcurrentMap<String, ConcurrentMap<String, Blob>> containerToBlobs,
ConcurrentMap<String, Location> containerToLocation,
HttpGetOptionsListToGetOptions httpGetOptionsConverter,
ConcurrentMap<String, Location> containerToLocation, HttpGetOptionsListToGetOptions httpGetOptionsConverter,
IfDirectoryReturnNameStrategy ifDirectoryReturnName, Blob.Factory blobFactory, BlobUtils blobUtils,
@Named(Constants.PROPERTY_USER_THREADS) ExecutorService service, Location defaultLocation,
Set<Location> locations) {
@ -469,14 +467,11 @@ public class TransientAsyncBlobStore extends BaseAsyncBlobStore {
.cast(DelegatingPayload.class.cast(object.getPayload()).getDelegate()) : null : null;
try {
if (payload == null || !(payload instanceof ByteArrayPayload)) {
InputStream input = object.getPayload().getInput();
try {
String oldContentType = object.getPayload().getContentType();
payload = (ByteArrayPayload) Payloads.calculateMD5(Payloads.newPayload(object.getPayload().getInput()));
ByteArrayOutputStream out = new ByteArrayOutputStream();
object.getPayload().writeTo(out);
payload = (ByteArrayPayload) Payloads.calculateMD5(Payloads.newPayload(out.toByteArray()));
payload.setContentType(oldContentType);
} finally {
Closeables.closeQuietly(input);
}
} else {
if (payload.getContentMD5() == null)
Payloads.calculateMD5(object, crypto.md5());

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@ -34,11 +34,13 @@ import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.util.Date;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.zip.GZIPInputStream;
@ -58,6 +60,8 @@ import org.jclouds.http.BaseJettyTest;
import org.jclouds.http.HttpResponseException;
import org.jclouds.io.InputSuppliers;
import org.jclouds.io.Payloads;
import org.jclouds.io.WriteTo;
import org.jclouds.io.payloads.StreamingPayload;
import org.jclouds.logging.Logger;
import org.jclouds.util.Utils;
import org.testng.ITestContext;
@ -353,8 +357,8 @@ public class BaseBlobIntegrationTest extends BaseBlobStoreIntegrationTest {
@DataProvider(name = "delete")
public Object[][] createData() {
return new Object[][] { { "normal" }, { "sp ace" }, { "qu?stion" }, { "unic₪de" }, { "path/foo" }, { "colon:" },
{ "asteri*k" }, { "quote\"" }, { "{great<r}" }, { "lesst>en" }, { "p|pe" } };
return new Object[][] { { "normal" }, { "sp ace" }, { "qu?stion" }, { "unic₪de" }, { "path/foo" },
{ "colon:" }, { "asteri*k" }, { "quote\"" }, { "{great<r}" }, { "lesst>en" }, { "p|pe" } };
}
@Test(groups = { "integration", "live" }, dataProvider = "delete")
@ -380,8 +384,8 @@ public class BaseBlobIntegrationTest extends BaseBlobStoreIntegrationTest {
});
assertEquals(Iterables.size(listing), 0, String.format(
"deleting %s, we still have %s blobs left in container %s, using encoding %s", key, Iterables
.size(listing), containerName, LOCAL_ENCODING));
"deleting %s, we still have %s blobs left in container %s, using encoding %s", key,
Iterables.size(listing), containerName, LOCAL_ENCODING));
}
@Test(groups = { "integration", "live" })
@ -427,6 +431,33 @@ public class BaseBlobIntegrationTest extends BaseBlobStoreIntegrationTest {
}
}
@Test(groups = { "integration", "live" })
public void testPutObjectStream() throws InterruptedException, IOException, ExecutionException {
Blob blob = context.getBlobStore().newBlob("streaming");
blob.setPayload(new StreamingPayload(new WriteTo() {
@Override
public void writeTo(OutputStream outstream) throws IOException {
outstream.write("foo".getBytes());
}
}));
blob.getMetadata().setContentType("text/csv");
String containerName = getContainerName();
try {
assertNotNull(context.getBlobStore().putBlob(containerName, blob));
blob = context.getBlobStore().getBlob(containerName, blob.getMetadata().getName());
String returnedString = getContentAsStringOrNullAndClose(blob);
assertEquals(returnedString, "foo");
assertEquals(blob.getPayload().getContentType(), "text/csv");
PageSet<? extends StorageMetadata> set = context.getBlobStore().list(containerName);
assert set.size() == 1 : set;
} finally {
returnContainer(containerName);
}
}
protected volatile static Crypto crypto;
static {
try {

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@ -19,9 +19,7 @@
package org.jclouds.io;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.annotation.Nullable;
@ -30,7 +28,7 @@ import com.google.common.io.InputSupplier;
/**
* @author Adrian Cole
*/
public interface Payload extends InputSupplier<InputStream>, Closeable{
public interface Payload extends InputSupplier<InputStream>, WriteTo, Closeable {
/**
* Creates a new InputStream object of the payload.
@ -47,22 +45,16 @@ public interface Payload extends InputSupplier<InputStream>, Closeable{
*/
boolean isRepeatable();
/**
* Writes the payload content to the output stream.
*
* @throws IOException
*/
void writeTo(OutputStream outstream) throws IOException;
void setContentLength(@Nullable Long contentLength);
/**
* Returns the total size of the payload, or the chunk that's available.
* <p/>
* Chunking is only used when {@link org.jclouds.http.GetOptions} is called with options like
* tail, range, or startAt.
* Chunking is only used when {@link org.jclouds.http.GetOptions} is called
* with options like tail, range, or startAt.
*
* @return the length in bytes that can be be obtained from {@link #getInput()}
* @return the length in bytes that can be be obtained from
* {@link #getInput()}
* @see javax.ws.rs.core.HttpHeaders#CONTENT_LENGTH
* @see org.jclouds.http.options.GetOptions
*/
@ -80,7 +72,8 @@ public interface Payload extends InputSupplier<InputStream>, Closeable{
String getContentType();
/**
* release resources used by this entity. This should be called when data is discarded.
* release resources used by this entity. This should be called when data is
* discarded.
*/
void release();
}

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@ -0,0 +1,36 @@
/**
*
* Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
*
* ====================================================================
* 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 org.jclouds.io;
import java.io.IOException;
import java.io.OutputStream;
/**
* @author Adrian Cole
*/
public interface WriteTo {
/**
* Writes the payload content to the output stream.
*
* @throws IOException
*/
void writeTo(OutputStream outstream) throws IOException;
}

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@ -0,0 +1,174 @@
/**
*
* Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
*
* ====================================================================
* 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 org.jclouds.io.payloads;
import static com.google.common.base.Preconditions.checkNotNull;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.annotation.Nullable;
import org.jclouds.io.Payload;
import org.jclouds.io.WriteTo;
/**
* Note that not all services accept streaming payloads. For example, Rackspace
* CloudFiles accepts streaming while Amazon S3 does not.
*
* @author Adrian Cole
*/
public class StreamingPayload implements Payload {
protected String contentType;
protected transient volatile boolean written;
protected final WriteTo writeTo;
public StreamingPayload(WriteTo writeTo) {
this.writeTo = checkNotNull(writeTo, "writeTo");
this.contentType = "application/unknown";
}
/**
* @throws UnsupportedOperationException
* this payload is for streaming writes only
*/
@Override
public Object getRawContent() {
throw new UnsupportedOperationException("this payload is for streaming writes only");
}
/**
* @throws UnsupportedOperationException
* this payload is for streaming writes only
*/
@Override
public InputStream getInput() {
throw new UnsupportedOperationException("this payload is for streaming writes only");
}
/**
* {@inheritDoc}
*/
@Override
public Long getContentLength() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public void setContentLength(@Nullable Long contentLength) {
throw new UnsupportedOperationException("this payload is for streaming writes only");
}
/**
* {@inheritDoc}
*/
@Override
public byte[] getContentMD5() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public void setContentMD5(byte[] md5) {
throw new UnsupportedOperationException("this payload is for streaming writes only");
}
/**
* {@inheritDoc}
*/
@Override
public String getContentType() {
return contentType;
}
/**
* {@inheritDoc}
*/
@Override
public void setContentType(@Nullable String contentType) {
this.contentType = contentType;
}
/**
* {@inheritDoc}
*/
@Override
public void writeTo(OutputStream outstream) throws IOException {
writeTo.writeTo(outstream);
}
@Override
public String toString() {
return "[contentType=" + contentType + ", written=" + written + "]";
}
/**
* By default we are not repeatable.
*/
@Override
public boolean isRepeatable() {
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((contentType == null) ? 0 : contentType.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
StreamingPayload other = (StreamingPayload) obj;
if (contentType == null) {
if (other.contentType != null)
return false;
} else if (!contentType.equals(other.contentType))
return false;
return true;
}
/**
* By default there are no resources to release.
*/
@Override
public void release() {
}
/**
* Delegates to release()
*/
@Override
public void close() {
release();
}
}

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@ -20,9 +20,9 @@ package org.jclouds.gae;
import static com.google.appengine.api.urlfetch.FetchOptions.Builder.disallowTruncate;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.io.ByteStreams.toByteArray;
import static com.google.common.io.Closeables.closeQuietly;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
@ -51,8 +51,8 @@ public class ConvertToGaeRequest implements Function<HttpRequest, HTTPRequest> {
public static final String USER_AGENT = "jclouds/1.0 urlfetch/1.3.5";
/**
* byte [] content is replayable and the only content type supportable by GAE. As such, we
* convert the original request content to a byte array.
* byte [] content is replayable and the only content type supportable by
* GAE. As such, we convert the original request content to a byte array.
*/
@Override
public HTTPRequest apply(HttpRequest request) {
@ -76,13 +76,15 @@ public class ConvertToGaeRequest implements Function<HttpRequest, HTTPRequest> {
}
gaeRequest.addHeader(new HTTPHeader(HttpHeaders.USER_AGENT, USER_AGENT));
/**
* byte [] content is replayable and the only content type supportable by GAE. As such, we
* convert the original request content to a byte array.
* byte [] content is replayable and the only content type supportable by
* GAE. As such, we convert the original request content to a byte array.
*/
if (request.getPayload() != null) {
InputStream input = request.getPayload().getInput();
try {
byte[] array = toByteArray(input);
ByteArrayOutputStream out = new ByteArrayOutputStream();
request.getPayload().writeTo(out);
byte[] array = out.toByteArray();
if (!request.getPayload().isRepeatable()) {
Payload oldPayload = request.getPayload();
request.setPayload(array);

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@ -161,13 +161,13 @@
<category name="jclouds.ssh">
<priority value="DEBUG" />
<appender-ref ref="ASYNCSSH" />
</category>
</category><!--
<category name="jclouds.wire">
<priority value="DEBUG" />
<appender-ref ref="ASYNCWIRE" />
</category>
<category name="jclouds.blobstore">
--><category name="jclouds.blobstore">
<priority value="DEBUG" />
<appender-ref ref="ASYNCBLOBSTORE" />
</category>