issue #1107: remove special casing of bucketExists relating to HEAD vs GET

apis/s3/src/main/java/org/jclouds/s3/S3AsyncClient.java

@@ -201,7 +201,7 @@ public interface S3AsyncClient {
     * @see S3Client#bucketExists
     */
    @Named("s3:ListBucket")
-   @HEAD
+   @GET
    @Path("/")
    @QueryParams(keys = "max-keys", values = "0")
    @Fallback(FalseOnContainerNotFound.class)

apis/s3/src/main/java/org/jclouds/s3/handlers/S3RedirectionRetryHandler.java

@@ -25,7 +25,6 @@ import java.net.URI;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
-import javax.ws.rs.HttpMethod;
 import javax.ws.rs.core.HttpHeaders;
 
 import org.jclouds.aws.domain.AWSError;
@@ -54,28 +53,22 @@ public class S3RedirectionRetryHandler extends RedirectionRetryHandler {
    public boolean shouldRetryRequest(HttpCommand command, HttpResponse response) {
       if (response.getFirstHeaderOrNull(HttpHeaders.LOCATION) == null
             && (response.getStatusCode() == 301 || response.getStatusCode() == 307)) {
-         if (command.getCurrentRequest().getMethod().equals(HttpMethod.HEAD)) {
+         command.incrementRedirectCount();
-            command.incrementRedirectCount();
+         closeClientButKeepContentStream(response);
-            command.setCurrentRequest(command.getCurrentRequest().toBuilder().method("GET").build());
+         AWSError error = utils.parseAWSErrorFromContent(command.getCurrentRequest(), response);
+         String host = error.getDetails().get("Endpoint");
+         if (host != null) {
+            if (host.equals(command.getCurrentRequest().getEndpoint().getHost())) {
+               // must be an amazon error related to
+               // http://developer.amazonwebservices.com/connect/thread.jspa?messageID=72287&#72287
+               return backoffHandler.shouldRetryRequest(command, response);
+            } else {
+               URI newHost = uriBuilder(command.getCurrentRequest().getEndpoint()).host(host).build();
+               command.setCurrentRequest(command.getCurrentRequest().toBuilder().endpoint(newHost).build());
+            }
             return true;
          } else {
-            command.incrementRedirectCount();
+            return false;
-            closeClientButKeepContentStream(response);
-            AWSError error = utils.parseAWSErrorFromContent(command.getCurrentRequest(), response);
-            String host = error.getDetails().get("Endpoint");
-            if (host != null) {
-               if (host.equals(command.getCurrentRequest().getEndpoint().getHost())) {
-                  // must be an amazon error related to
-                  // http://developer.amazonwebservices.com/connect/thread.jspa?messageID=72287&#72287
-                  return backoffHandler.shouldRetryRequest(command, response);
-               } else {
-                  URI newHost = uriBuilder(command.getCurrentRequest().getEndpoint()).host(host).build();
-                  command.setCurrentRequest(command.getCurrentRequest().toBuilder().endpoint(newHost).build());
-               }
-               return true;
-            } else {
-               return false;
-            }
          }
       } else {
          return super.shouldRetryRequest(command, response);

apis/s3/src/test/java/org/jclouds/s3/PathBasedS3ClientExpectTest.java

@@ -48,10 +48,10 @@ public class PathBasedS3ClientExpectTest extends BaseS3ClientExpectTest {
    @Test
    public void testBucketExistsReturnsTrueOn200AndFalseOn404() {
       
-      HttpRequest bucketFooExists = HttpRequest.builder().method("HEAD")
+      HttpRequest bucketFooExists = HttpRequest.builder().method("GET")
                                                .endpoint("https://s3.amazonaws.com/foo?max-keys=0")
                                                .addHeader("Date", CONSTANT_DATE)
-                                               .addHeader("Authorization", "AWS identity:lLD0mzo2bZPIWhxlFDZoT09MKUQ=")
+                                               .addHeader("Authorization", "AWS identity:p32RsBr2inawMBeCkkiA228BT2w=")
                                                .build();
                                     
       S3Client clientWhenBucketExists = requestSendsResponse(bucketFooExists, HttpResponse.builder().statusCode(200).build());

apis/s3/src/test/java/org/jclouds/s3/S3AsyncClientTest.java

@@ -181,7 +181,7 @@ public abstract class S3AsyncClientTest<T extends S3AsyncClient> extends BaseS3A
       Method method = S3AsyncClient.class.getMethod("bucketExists", String.class);
       HttpRequest request = processor.createRequest(method, "bucket");
 
-      assertRequestLineEquals(request, "HEAD https://bucket." + url + "/?max-keys=0 HTTP/1.1");
+      assertRequestLineEquals(request, "GET https://bucket." + url + "/?max-keys=0 HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: bucket." + url + "\n");
       assertPayloadEquals(request, null, null, false);
 

apis/s3/src/test/java/org/jclouds/s3/S3ClientExpectTest.java

@@ -37,12 +37,12 @@ public class S3ClientExpectTest extends BaseS3ClientExpectTest {
    @Test
    public void testBucketExistsReturnsTrueOn200AndFalseOn404() {
       
-      HttpRequest bucketFooExists = HttpRequest.builder().method("HEAD").endpoint(
+      HttpRequest bucketFooExists = HttpRequest.builder().method("GET").endpoint(
                URI.create("https://foo.s3.amazonaws.com/?max-keys=0")).headers(
                ImmutableMultimap.<String, String> builder()
                   .put("Host", "foo.s3.amazonaws.com")
                   .put("Date", CONSTANT_DATE)
-                  .put("Authorization", "AWS identity:86P4BBb7xT+gBqq7jxM8Tc28ktY=")
+                  .put("Authorization", "AWS identity:ZWVz2v/jGB+ZMmijoyfH9mFMPo0=")
                   .build()).build();
       
       S3Client clientWhenBucketExists = requestSendsResponse(bucketFooExists, HttpResponse.builder().statusCode(200).build());

apis/walrus/src/main/java/org/jclouds/walrus/WalrusApiMetadata.java

@@ -28,7 +28,7 @@ import org.jclouds.s3.S3ApiMetadata;
 import org.jclouds.s3.S3AsyncClient;
 import org.jclouds.s3.S3Client;
 import org.jclouds.s3.blobstore.config.S3BlobStoreContextModule;
-import org.jclouds.walrus.config.WalrusRestClientModule;
+import org.jclouds.s3.config.S3RestClientModule;
 
 import com.google.common.collect.ImmutableSet;
 import com.google.inject.Module;
@@ -71,7 +71,7 @@ public class WalrusApiMetadata extends S3ApiMetadata {
          .name("Walrus (S3 clone) API")
          .version("Walrus-1.6")
          .defaultProperties(WalrusApiMetadata.defaultProperties())
-         .defaultModules(ImmutableSet.<Class<? extends Module>>of(WalrusRestClientModule.class, S3BlobStoreContextModule.class));
+         .defaultModules(ImmutableSet.<Class<? extends Module>>of(S3RestClientModule.class, S3BlobStoreContextModule.class));
       }
       
       @Override

apis/walrus/src/main/java/org/jclouds/walrus/WalrusAsyncClient.java

@@ -1,63 +0,0 @@
-/**
- * Licensed to jclouds, Inc. (jclouds) under one or more
- * contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  jclouds licenses this file
- * to you 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.walrus;
-
-import static org.jclouds.blobstore.attr.BlobScopes.CONTAINER;
-
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-
-import org.jclouds.blobstore.BlobStoreFallbacks.FalseOnContainerNotFound;
-import org.jclouds.blobstore.attr.BlobScope;
-import org.jclouds.rest.annotations.BinderParam;
-import org.jclouds.rest.annotations.Endpoint;
-import org.jclouds.rest.annotations.Fallback;
-import org.jclouds.rest.annotations.ParamValidators;
-import org.jclouds.rest.annotations.QueryParams;
-import org.jclouds.rest.annotations.RequestFilters;
-import org.jclouds.s3.Bucket;
-import org.jclouds.s3.S3AsyncClient;
-import org.jclouds.s3.S3Client;
-import org.jclouds.s3.binders.BindAsHostPrefixIfConfigured;
-import org.jclouds.s3.filters.RequestAuthorizeSignature;
-import org.jclouds.s3.predicates.validators.BucketNameValidator;
-
-import com.google.common.util.concurrent.ListenableFuture;
-
-/**
- * 
- * @author Adrian Cole
- */
-@RequestFilters(RequestAuthorizeSignature.class)
-@BlobScope(CONTAINER)
-public interface WalrusAsyncClient extends S3AsyncClient {
-
-   /**
-    * @see S3Client#bucketExists
-    */
-   @Override
-   @GET
-   @Path("/")
-   @Endpoint(Bucket.class)
-   @QueryParams(keys = "max-keys", values = "0")
-   @Fallback(FalseOnContainerNotFound.class)
-   ListenableFuture<Boolean> bucketExists(
-            @Bucket @BinderParam(BindAsHostPrefixIfConfigured.class) @ParamValidators(BucketNameValidator.class) String bucketName);
-
-}

apis/walrus/src/main/java/org/jclouds/walrus/config/WalrusRestClientModule.java

@@ -1,48 +0,0 @@
-/**
- * Licensed to jclouds, Inc. (jclouds) under one or more
- * contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  jclouds licenses this file
- * to you 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.walrus.config;
-
-import javax.inject.Singleton;
-
-import org.jclouds.rest.ConfiguresRestClient;
-import org.jclouds.s3.S3AsyncClient;
-import org.jclouds.s3.S3Client;
-import org.jclouds.s3.config.S3RestClientModule;
-import org.jclouds.walrus.WalrusAsyncClient;
-
-import com.google.common.reflect.TypeToken;
-import com.google.inject.Provides;
-
-/**
- * 
- * @author Adrian Cole
- */
-@ConfiguresRestClient
-public class WalrusRestClientModule extends S3RestClientModule<S3Client, WalrusAsyncClient> {
-   public WalrusRestClientModule() {
-      super(TypeToken.of(S3Client.class), TypeToken.of(WalrusAsyncClient.class));
-   }
-
-   @Provides
-   @Singleton
-   S3AsyncClient provideS3AsyncClient(WalrusAsyncClient in) {
-      return in;
-   }
-
-}