Java ObjectApi类代码示例

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
/**
 * This will delete all containers that start with {@link Constants#CONTAINER} and the objects within those containers.
 */
private void deleteObjectsAndContainer() {
   System.out.format("Delete Container%n");

   List<Container> containers = cloudFiles.getContainerApi(REGION)
         .list(ListContainerOptions.Builder.prefix(CONTAINER)).toList();

   for (Container container: containers) {
      System.out.format("  %s%n", container.getName());

      ObjectApi objectApi = cloudFiles.getObjectApi(REGION, container.getName());
      ObjectList objects = objectApi.list();

      for (SwiftObject object: objects) {
         System.out.format("    %s%n", object.getName());
         objectApi.delete(object.getName());
      }

      cloudFiles.getContainerApi(REGION).deleteIfEmpty(container.getName());
   }
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
/**
 * This method will put a plain text object into the container.
 */
private void createObjectFromFile() throws IOException {
   System.out.format("Create Object From File%n");

   File tempFile = File.createTempFile(FILENAME, SUFFIX);

   try {
      Files.write("Hello Cloud Files", tempFile, Charsets.UTF_8);

      ObjectApi objectApi = cloudFiles.getObjectApi(REGION, CONTAINER_PUBLISH);

      ByteSource byteSource = Files.asByteSource(tempFile);
      Payload payload = Payloads.newByteSourcePayload(byteSource);

      objectApi.put(FILENAME + SUFFIX, payload);
   } finally {
      tempFile.delete();
   }
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public URI getAssetDirectLink(String id, String root, String filePath) throws IOException {
    ContainerAndName can = getContainerAndName(id, root, filePath);
    ObjectApi objectApi = swiftApi.getObjectApi(region, can.container);
    SwiftObject so = objectApi.get(can.name, GetOptions.NONE);
    if(so == null){
        throw new IOException("No object found for " + id);
    }
    
    return so.getUri();
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public InputStream getInputStream(String id, String root, String filePath) throws IOException {
    ContainerAndName can = getContainerAndName(id, root, filePath);
    ObjectApi objectApi = swiftApi.getObjectApi(region, can.container);
    SwiftObject so = objectApi.get(can.name, GetOptions.NONE);
    if(so == null){
        throw new IOException("No object found for " + id);
    }
    //we copy this to a byte array first since Sakai does some funny stuff 
    //and with the stream and then swift and sakai don't play nice.
    return new ByteArrayInputStream(FileCopyUtils.copyToByteArray(so.getPayload().openStream()));
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public boolean delete(String id, String root, String filePath) {
    ContainerAndName can = getContainerAndName(id, root, filePath);
    ObjectApi objectApi = swiftApi.getObjectApi(region, can.container);
    if(objectApi.getWithoutBody(can.name) == null){
        return false;
    }else{
        objectApi.delete(can.name);
        deleteContainerIfEmpty(can.container);
        return true;
    }
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
private void deleteCloudFiles() throws IOException {
   CloudFilesApi cloudFilesApi = ContextBuilder.newBuilder(System.getProperty("provider.cf", "rackspace-cloudfiles-us"))
         .credentials(username, apiKey)
         .buildApi(CloudFilesApi.class);

   for (String region : cloudFilesApi.getConfiguredRegions()) {
      try {
         System.out.format("Delete Containers of Objects in %s%n", region);
         ContainerApi containerApi = cloudFilesApi.getContainerApi(region);

         for (Container container : containerApi.list()) {
            System.out.format("  %s%n", container.getName());

            ObjectApi objectApi = cloudFilesApi.getObjectApi(region, container.getName());
            ObjectList objects = objectApi.list();

            for (SwiftObject object : objects) {
               System.out.format("    %s%n", object.getName());
               objectApi.delete(object.getName());
            }

            cloudFilesApi.getContainerApi(region).deleteIfEmpty(container.getName());
         }
      } catch (IllegalStateException e) {
         e.printStackTrace();
      }
   }

   Closeables.close(cloudFilesApi, true);
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
private void listObjects() {
   System.out.format("List Objects%n");

   ObjectApi objectApi = cloudFiles.getObjectApi(REGION, CONTAINER);
   ObjectList objects = objectApi.list();

   for (SwiftObject object: objects) {
      System.out.format("  %s%n", object);
   }
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
private void listObjectsWithFiltering() {
   System.out.format("List Objects With Filtering%n");

   ObjectApi objectApi = cloudFiles.getObjectApi(REGION, CONTAINER);

   ListContainerOptions filter = ListContainerOptions.Builder.prefix("createObjectFromString");
   ObjectList objects =  objectApi.list(filter);

   for (SwiftObject object: objects) {
      System.out.format("  %s%n", object);
   }
}
 

import org.jclouds.openstack.swift.v1.features.ObjectApi; //导入依赖的package包/类
private SwiftObject getObject() {
   System.out.format("Get Object%n");

   ObjectApi objectApi = cloudFiles.getObjectApi(REGION, CONTAINER);
   SwiftObject swiftObject = objectApi.get("uploadObjectFromFile.txt");

   System.out.format("  %s%n", swiftObject);

   return swiftObject;
}