| 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.blobstore.domain.internal; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static org.jclouds.io.Payloads.newPayload; |
| 23 | |
| 24 | import java.io.File; |
| 25 | import java.io.IOException; |
| 26 | import java.io.InputStream; |
| 27 | import java.util.Map; |
| 28 | |
| 29 | import javax.inject.Inject; |
| 30 | |
| 31 | import org.jclouds.blobstore.domain.Blob; |
| 32 | import org.jclouds.blobstore.domain.BlobBuilder; |
| 33 | import org.jclouds.blobstore.domain.StorageType; |
| 34 | import org.jclouds.crypto.Crypto; |
| 35 | import org.jclouds.io.Payload; |
| 36 | import org.jclouds.io.Payloads; |
| 37 | import org.jclouds.io.payloads.PhantomPayload; |
| 38 | |
| 39 | import com.google.common.collect.Maps; |
| 40 | |
| 41 | /** |
| 42 | * @author Adrian Cole |
| 43 | */ |
| 44 | public class BlobBuilderImpl implements BlobBuilder { |
| 45 | private final Crypto crypto; |
| 46 | |
| 47 | @Inject |
| 48 | public BlobBuilderImpl(Crypto crypto) { |
| 49 | this.crypto = checkNotNull(crypto, "crypto"); |
| 50 | } |
| 51 | |
| 52 | private Payload payload; |
| 53 | private String name; |
| 54 | private Map<String, String> userMetadata = Maps.newLinkedHashMap(); |
| 55 | private StorageType type = StorageType.BLOB; |
| 56 | |
| 57 | @Override |
| 58 | public BlobBuilder name(String name) { |
| 59 | this.name = name; |
| 60 | return this; |
| 61 | } |
| 62 | |
| 63 | @Override |
| 64 | public BlobBuilder type(StorageType type) { |
| 65 | this.type = type; |
| 66 | return this; |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public BlobBuilder userMetadata(Map<String, String> userMetadata) { |
| 71 | if (userMetadata != null) |
| 72 | this.userMetadata = Maps.newLinkedHashMap(userMetadata); |
| 73 | return this; |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public PayloadBlobBuilder payload(Payload payload) { |
| 78 | this.payload = payload; |
| 79 | return new PayloadBlobBuilderImpl(this, payload, crypto); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * {@inheritDoc} |
| 84 | */ |
| 85 | @Override |
| 86 | public PayloadBlobBuilder payload(InputStream data) { |
| 87 | return payload(newPayload(checkNotNull(data, "data"))); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * {@inheritDoc} |
| 92 | */ |
| 93 | @Override |
| 94 | public PayloadBlobBuilder payload(byte[] data) { |
| 95 | return payload(newPayload(checkNotNull(data, "data"))); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * {@inheritDoc} |
| 100 | */ |
| 101 | @Override |
| 102 | public PayloadBlobBuilder payload(String data) { |
| 103 | return payload(newPayload(checkNotNull(data, "data"))); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * {@inheritDoc} |
| 108 | */ |
| 109 | @Override |
| 110 | public PayloadBlobBuilder payload(File data) { |
| 111 | return payload(newPayload(checkNotNull(data, "data"))); |
| 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public Blob build() { |
| 116 | Blob blob = new BlobImpl(new MutableBlobMetadataImpl()); |
| 117 | if (name != null) |
| 118 | blob.getMetadata().setName(name); |
| 119 | if (payload != null) |
| 120 | blob.setPayload(payload); |
| 121 | blob.getMetadata().setUserMetadata(userMetadata); |
| 122 | blob.getMetadata().setType(type); |
| 123 | return blob; |
| 124 | } |
| 125 | |
| 126 | public class PayloadBlobBuilderImpl implements PayloadBlobBuilder { |
| 127 | private final BlobBuilder builder; |
| 128 | private final Payload payload; |
| 129 | private final Crypto crypto; |
| 130 | |
| 131 | public PayloadBlobBuilderImpl(BlobBuilder builder, Payload payload, Crypto crypto) { |
| 132 | this.builder = checkNotNull(builder, "builder"); |
| 133 | this.payload = checkNotNull(payload, "payload"); |
| 134 | this.crypto = checkNotNull(crypto, "crypto"); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public BlobBuilder name(String name) { |
| 139 | return builder.name(name); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public BlobBuilder type(StorageType type) { |
| 144 | return builder.type(type); |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public BlobBuilder userMetadata(Map<String, String> userMetadata) { |
| 149 | return builder.userMetadata(userMetadata); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public PayloadBlobBuilder payload(Payload payload) { |
| 154 | return builder.payload(payload); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public PayloadBlobBuilder calculateMD5() throws IOException { |
| 159 | return builder.payload(Payloads.calculateMD5(payload, crypto.md5())); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public PayloadBlobBuilder payload(InputStream payload) { |
| 164 | return builder.payload(payload); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public PayloadBlobBuilder payload(byte[] payload) { |
| 169 | return builder.payload(payload); |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public PayloadBlobBuilder payload(String payload) { |
| 174 | return builder.payload(payload); |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public PayloadBlobBuilder payload(File payload) { |
| 179 | return builder.payload(payload); |
| 180 | } |
| 181 | |
| 182 | @Override |
| 183 | public Blob build() { |
| 184 | return builder.build(); |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | public PayloadBlobBuilder contentLength(long contentLength) { |
| 189 | payload.getContentMetadata().setContentLength(contentLength); |
| 190 | return this; |
| 191 | } |
| 192 | |
| 193 | @Override |
| 194 | public PayloadBlobBuilder contentMD5(byte[] md5) { |
| 195 | payload.getContentMetadata().setContentMD5(md5); |
| 196 | return this; |
| 197 | } |
| 198 | |
| 199 | @Override |
| 200 | public PayloadBlobBuilder contentType(String contentType) { |
| 201 | payload.getContentMetadata().setContentType(contentType); |
| 202 | return this; |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public PayloadBlobBuilder contentDisposition(String contentDisposition) { |
| 207 | payload.getContentMetadata().setContentDisposition(contentDisposition); |
| 208 | return this; |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public PayloadBlobBuilder contentLanguage(String contentLanguage) { |
| 213 | payload.getContentMetadata().setContentLanguage(contentLanguage); |
| 214 | return this; |
| 215 | |
| 216 | } |
| 217 | |
| 218 | @Override |
| 219 | public PayloadBlobBuilder contentEncoding(String contentEncoding) { |
| 220 | payload.getContentMetadata().setContentEncoding(contentEncoding); |
| 221 | return this; |
| 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public PayloadBlobBuilder forSigning() { |
| 226 | return builder.forSigning(); |
| 227 | } |
| 228 | |
| 229 | } |
| 230 | |
| 231 | @Override |
| 232 | public PayloadBlobBuilder forSigning() { |
| 233 | return payload(new PhantomPayload()); |
| 234 | } |
| 235 | } |