| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.azureblob.functions; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkArgument; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | |
| 25 | import org.jclouds.azureblob.blobstore.functions.BlobMetadataToBlobProperties; |
| 26 | import org.jclouds.azureblob.domain.MutableBlobProperties; |
| 27 | import org.jclouds.blobstore.domain.BlobMetadata; |
| 28 | import org.jclouds.blobstore.functions.ParseSystemAndUserMetadataFromHeaders; |
| 29 | import org.jclouds.http.HttpRequest; |
| 30 | import org.jclouds.http.HttpResponse; |
| 31 | import org.jclouds.rest.InvocationContext; |
| 32 | import org.jclouds.rest.internal.GeneratedHttpRequest; |
| 33 | |
| 34 | import com.google.common.base.Function; |
| 35 | |
| 36 | /** |
| 37 | * This parses @{link {@link org.jclouds.azureblob.domain.BlobProperties} from HTTP |
| 38 | * headers. |
| 39 | * |
| 40 | * |
| 41 | * @author Adrian Cole |
| 42 | */ |
| 43 | public class ParseBlobPropertiesFromHeaders implements Function<HttpResponse, MutableBlobProperties>, |
| 44 | InvocationContext<ParseBlobPropertiesFromHeaders> { |
| 45 | private final ParseSystemAndUserMetadataFromHeaders blobMetadataParser; |
| 46 | private final BlobMetadataToBlobProperties blobToBlobProperties; |
| 47 | private String container; |
| 48 | |
| 49 | @Inject |
| 50 | public ParseBlobPropertiesFromHeaders(ParseSystemAndUserMetadataFromHeaders blobMetadataParser, |
| 51 | BlobMetadataToBlobProperties blobToBlobProperties) { |
| 52 | this.blobMetadataParser = blobMetadataParser; |
| 53 | this.blobToBlobProperties = blobToBlobProperties; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * parses the http response headers to create a new {@link MutableBlobProperties} object. |
| 58 | */ |
| 59 | public MutableBlobProperties apply(HttpResponse from) { |
| 60 | BlobMetadata base = blobMetadataParser.apply(from); |
| 61 | MutableBlobProperties to = blobToBlobProperties.apply(base); |
| 62 | to.setContainer(container); |
| 63 | return to; |
| 64 | } |
| 65 | |
| 66 | |
| 67 | @Override |
| 68 | public ParseBlobPropertiesFromHeaders setContext(HttpRequest request) { |
| 69 | checkArgument(request instanceof GeneratedHttpRequest<?>, "note this handler requires a GeneratedHttpRequest"); |
| 70 | blobMetadataParser.setContext(request); |
| 71 | return setContainer(GeneratedHttpRequest.class.cast(request).getArgs().get(0).toString()); |
| 72 | } |
| 73 | |
| 74 | private ParseBlobPropertiesFromHeaders setContainer(String container) { |
| 75 | this.container = container; |
| 76 | return this; |
| 77 | } |
| 78 | } |