com.alibaba.alicloud.oss.resource

类 OssStorageResource

java.lang.Object

com.alibaba.alicloud.oss.resource.OssStorageResource

所有已实现的接口:

org.springframework.core.io.InputStreamSource, org.springframework.core.io.Resource, org.springframework.core.io.WritableResource

public class OssStorageResource
extends Object
implements org.springframework.core.io.WritableResource

Implements Resource for reading and writing objects in Aliyun Object Storage Service (OSS). An instance of this class represents a handle to a bucket or an OSSObject.

作者:

Jim

另请参阅:

OSS, Bucket, OSSObject

构造器概要

构造器

构造器和说明
OssStorageResource(com.aliyun.oss.OSS oss, String location, org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory)
OssStorageResource(com.aliyun.oss.OSS oss, String location, org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory, boolean autoCreateFiles)

方法概要

限定符和类型	方法和说明
boolean	bucketExists() Checks for the existence of the Bucket associated with the resource.
long	contentLength()
com.aliyun.oss.model.Bucket	createBucket() create a bucket.
org.springframework.core.io.Resource	createRelative(String relativePath)
boolean	exists()
com.aliyun.oss.model.Bucket	getBucket() Returns the Bucket associated with the resource.
String	getDescription()
File	getFile()
String	getFilename()
InputStream	getInputStream()
com.aliyun.oss.model.OSSObject	getOSSObject() Gets the underlying resource object in Aliyun Object Storage Service.
OutputStream	getOutputStream() acquire an OutputStream for write.
URI	getURI()
URL	getURL() Since the oss: protocol will normally not have a URL stream handler registered, this method will always throw a MalformedURLException.
boolean	isAutoCreateFiles()
boolean	isBucket() Check if this resource references a bucket and not a blob.
boolean	isWritable()
long	lastModified()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.springframework.core.io.WritableResource

writableChannel

从接口继承的方法 org.springframework.core.io.Resource

isFile, isOpen, isReadable, readableChannel

构造器详细资料

OssStorageResource

public OssStorageResource(com.aliyun.oss.OSS oss,
                          String location,
                          org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory)

OssStorageResource

public OssStorageResource(com.aliyun.oss.OSS oss,
                          String location,
                          org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory,
                          boolean autoCreateFiles)

方法详细资料

isAutoCreateFiles

public boolean isAutoCreateFiles()

exists

public boolean exists()

指定者:

exists 在接口中 org.springframework.core.io.Resource

getURL

public URL getURL()
           throws IOException

Since the oss: protocol will normally not have a URL stream handler registered, this method will always throw a MalformedURLException.

指定者:

getURL 在接口中 org.springframework.core.io.Resource

返回:

The URL for the OSS resource, if a URL stream handler is registered for the oss protocol.

抛出:

IOException

getURI

public URI getURI()
           throws IOException

指定者:

getURI 在接口中 org.springframework.core.io.Resource

抛出:

IOException

getFile

public File getFile()
             throws IOException

指定者:

getFile 在接口中 org.springframework.core.io.Resource

抛出:

IOException

contentLength

public long contentLength()
                   throws IOException

指定者:

contentLength 在接口中 org.springframework.core.io.Resource

抛出:

IOException

lastModified

public long lastModified()
                  throws IOException

指定者:

lastModified 在接口中 org.springframework.core.io.Resource

抛出:

IOException

createRelative

public org.springframework.core.io.Resource createRelative(String relativePath)
                                                    throws IOException

指定者:

createRelative 在接口中 org.springframework.core.io.Resource

抛出:

IOException

getFilename

public String getFilename()

指定者:

getFilename 在接口中 org.springframework.core.io.Resource

getDescription

public String getDescription()

指定者:

getDescription 在接口中 org.springframework.core.io.Resource

getInputStream

public InputStream getInputStream()
                           throws IOException

指定者:

getInputStream 在接口中 org.springframework.core.io.InputStreamSource

抛出:

IOException

getBucket

public com.aliyun.oss.model.Bucket getBucket()

Returns the Bucket associated with the resource.

返回:

the bucket if it exists, or null otherwise

bucketExists

public boolean bucketExists()

Checks for the existence of the Bucket associated with the resource.

返回:

true if the bucket exists

getOSSObject

public com.aliyun.oss.model.OSSObject getOSSObject()

Gets the underlying resource object in Aliyun Object Storage Service.

返回:

The resource object, will be null if it does not exist in Aliyun Object Storage Service.

抛出:

com.aliyun.oss.OSSException - it is thrown upon error when accessing OSS

com.aliyun.oss.ClientException - it is the one thrown by the client side when accessing OSS

isBucket

public boolean isBucket()

Check if this resource references a bucket and not a blob.

返回:

if the resource is bucket

createBucket

public com.aliyun.oss.model.Bucket createBucket()

create a bucket.

返回:

OSS Bucket

isWritable

public boolean isWritable()

指定者:

isWritable 在接口中 org.springframework.core.io.WritableResource

getOutputStream

public OutputStream getOutputStream()
                             throws IOException

acquire an OutputStream for write. Note: please close the stream after writing is done

指定者:

getOutputStream 在接口中 org.springframework.core.io.WritableResource

返回:

OutputStream of OSS resource

抛出:

IOException - throw by oss operation