| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.blobstore.util; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.jclouds.blobstore.domain.MutableBlobMetadata; |
| import org.jclouds.blobstore.domain.internal.MutableBlobMetadataImpl; |
| import org.jclouds.http.HttpRequest; |
| import org.jclouds.http.HttpRequestFilter; |
| import org.jclouds.rest.internal.GeneratedHttpRequest; |
| |
| import com.google.common.collect.Maps; |
| |
| public class BlobStoreUtils { |
| public static <T> HttpRequest cleanRequest(HttpRequest returnVal) { |
| checkNotNull(returnVal, "http request"); |
| for (HttpRequestFilter filter : returnVal.getFilters()) |
| returnVal = filter.filter(returnVal); |
| return HttpRequest.builder().method(returnVal.getMethod()).endpoint(returnVal.getEndpoint()) |
| .headers(returnVal.getHeaders()).payload(returnVal.getPayload()).build(); |
| } |
| |
| public static String parseDirectoryFromPath(String path) { |
| return checkNotNull(path, "path").substring(0, path.lastIndexOf('/')); |
| } |
| |
| private static Pattern keyFromContainer = Pattern.compile("/?[^/]+/(.*)"); |
| |
| public static String getNameFor(GeneratedHttpRequest request) { |
| checkNotNull(request, "request"); |
| List<Object> args = request.getInvocation().getArgs(); |
| // assume first params are container and key |
| if (args.size() >= 2 && args.get(0) instanceof String |
| && args.get(1) instanceof String) { |
| return args.get(1).toString(); |
| } else if (args.size() >= 1 && args.get(0) instanceof String) { |
| Matcher matcher = keyFromContainer.matcher(args.get(0).toString()); |
| if (matcher.find()) |
| return matcher.group(1); |
| } |
| String objectKey = request.getEndpoint().getPath(); |
| if (objectKey.startsWith("/")) { |
| // Trim initial slash from object key name. |
| objectKey = objectKey.substring(1); |
| } |
| return objectKey; |
| } |
| |
| public static MutableBlobMetadata copy(MutableBlobMetadata in) { |
| MutableBlobMetadata metadata = new MutableBlobMetadataImpl(in); |
| convertUserMetadataKeysToLowercase(metadata); |
| return metadata; |
| } |
| |
| public static MutableBlobMetadata copy(MutableBlobMetadata in, String newKey) { |
| MutableBlobMetadata newMd = BlobStoreUtils.copy(in); |
| newMd.setName(newKey); |
| return newMd; |
| } |
| |
| private static void convertUserMetadataKeysToLowercase(MutableBlobMetadata metadata) { |
| Map<String, String> lowerCaseUserMetadata = Maps.newHashMap(); |
| for (Map.Entry<String, String> entry : metadata.getUserMetadata().entrySet()) { |
| lowerCaseUserMetadata.put(entry.getKey().toLowerCase(), entry.getValue()); |
| } |
| metadata.setUserMetadata(lowerCaseUserMetadata); |
| } |
| } |