java.lang.Object
- org.nuxeo.ecm.core.blob.binary.AbstractBinaryManager
- - org.nuxeo.ecm.core.blob.binary.CachingBinaryManager
  - - org.nuxeo.ecm.blob.AbstractCloudBinaryManager

All Implemented Interfaces:

BinaryManager, BlobProvider

Direct Known Subclasses:

AzureBinaryManager, GoogleStorageBinaryManager, S3BinaryManager
```
public abstract class AbstractCloudBinaryManager
extends CachingBinaryManager
implements BlobProvider
```
Since:

7.10

Author:

Arnaud Kervern

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`CACHE_COUNT_PROPERTY`
`static String`	`CACHE_MIN_AGE_PROPERTY`
`static String`	`CACHE_SIZE_PROPERTY`
`static String`	`DEFAULT_CACHE_COUNT`
`static String`	`DEFAULT_CACHE_MIN_AGE`
`static String`	`DEFAULT_CACHE_SIZE`
`static String`	`DEFAULT_DIRECTDOWNLOAD`
`static int`	`DEFAULT_DIRECTDOWNLOAD_EXPIRE`
`static String`	`DIGEST_ALGORITHM_PROPERTY`
`protected boolean`	`directDownload`
`static String`	`DIRECTDOWNLOAD_EXPIRE_PROPERTY`
`static String`	`DIRECTDOWNLOAD_PROPERTY`
`protected int`	`directDownloadExpire`
`protected String`	`namespace`
`protected boolean`	`transientFlag`

Fields inherited from class org.nuxeo.ecm.core.blob.binary.CachingBinaryManager
cachedir, fileCache, fileStorage

Fields inherited from class org.nuxeo.ecm.core.blob.binary.AbstractBinaryManager
blobProviderId, DEFAULT_DEPTH, DEFAULT_DIGEST, descriptor, digestPattern, DIGESTS_BY_LENGTH, garbageCollector, MAX_BUF_SIZE, MD5_DIGEST, MD5_DIGEST_LENGTH, MIN_BUF_SIZE, properties, SHA1_DIGEST, SHA1_DIGEST_LENGTH, SHA256_DIGEST, SHA256_DIGEST_LENGTH

Fields inherited from interface org.nuxeo.ecm.core.blob.binary.BinaryManager
PROP_KEY, PROP_PATH

Constructor Summary

Constructors
Constructor Description

AbstractCloudBinaryManager()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`BinaryManager`	`getBinaryManager()`	Gets the associated binary manager, if any.
`protected boolean`	`getBooleanProperty(String key)`	Gets a boolean property.
`protected String`	`getContentDispositionHeader(Blob blob, javax.servlet.http.HttpServletRequest servletRequest)`
`protected String`	`getContentTypeHeader(Blob blob)`
`protected String`	`getDefaultDigestAlgorithm()`	Gets the default message digest to use to hash binaries.
`protected abstract FileStorage`	`getFileStorage()`
`protected int`	`getIntProperty(String key)`	Gets an integer property, or -1 if undefined.
`protected int`	`getIntProperty(String key, int defaultValue)`	Gets an integer property, or `defaultValue` if undefined.
`Map<String,String>`	`getProperties()`	Returns the properties of the blob provider.
`protected String`	`getProperty(String propertyName)`
`protected String`	`getProperty(String propertyName, String defaultValue)`
`protected URI`	`getRemoteUri(String digest, ManagedBlob blob, javax.servlet.http.HttpServletRequest servletRequest)`
`String`	`getSystemPropertyName(String propertyName)`
`protected abstract String`	`getSystemPropertyPrefix()`	Gets the prefix used for configuration using system properties.
`URI`	`getURI(ManagedBlob blob, BlobManager.UsageHint hint, javax.servlet.http.HttpServletRequest servletRequest)`	Gets an `URI` for the content of a managed blob.
`void`	`initialize(String blobProviderId, Map<String,String> properties)`	Initializes the binary manager.
`protected abstract BinaryGarbageCollector`	`instantiateGarbageCollector()`
`protected boolean`	`isDirectDownload()`
`boolean`	`isTransient()`	Checks whether this blob provider is transient: blobs may disappear after a while, so a caller should not rely on them being available forever.
`boolean`	`performsExternalAccessControl(BlobInfo blobInfo)`	Checks if the blob provider performs external access control checks.
`Blob`	`readBlob(BlobInfo blobInfo)`	Reads a `Blob` from storage.
`abstract void`	`removeBinaries(Collection<String> digests)`	Remove definitively a set of binaries
`protected abstract void`	`setupCloudClient()`	Configure Cloud client using properties
`boolean`	`supportsUserUpdate()`	Checks if user update is supported.
`protected boolean`	`supportsUserUpdateDefaultTrue()`
`String`	`writeBlob(Blob blob)`	Writes a `Blob` to storage and returns information about it.

Methods inherited from class org.nuxeo.ecm.core.blob.binary.CachingBinaryManager
close, getBinary, getBinary, getFile, initializeCache, initializeCache, initializeCache

Methods inherited from class org.nuxeo.ecm.core.blob.binary.AbstractBinaryManager
computeDigestPattern, getBinary, getDescriptor, getDigestAlgorithm, getGarbageCollector, isValidDigest, setDescriptor, storeAndDigest, toHexString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.nuxeo.ecm.core.blob.BlobProvider
allowByteRange, canConvert, close, deleteBlob, getAppLinks, getAvailableConversions, getBinaryGarbageCollector, getFile, getStatus, getStream, getStream, getThumbnail, hasCreateFromKeyPermission, isRecordMode, isTransactional, isVersion, readBlob, supportsSync, updateBlob, writeBlob

- Field Detail
  - directDownload
```
protected boolean directDownload
```
  - directDownloadExpire
```
protected int directDownloadExpire
```
  - transientFlag
```
protected boolean transientFlag
```
  - namespace
```
protected String namespace
```
  - CACHE_SIZE_PROPERTY
```
public static final String CACHE_SIZE_PROPERTY
```
    See Also:
    
    Constant Field Values
  - CACHE_COUNT_PROPERTY
```
public static final String CACHE_COUNT_PROPERTY
```
    See Also:
    
    Constant Field Values
  - CACHE_MIN_AGE_PROPERTY
```
public static final String CACHE_MIN_AGE_PROPERTY
```
    See Also:
    
    Constant Field Values
  - DEFAULT_CACHE_SIZE
```
public static final String DEFAULT_CACHE_SIZE
```
    See Also:
    
    Constant Field Values
  - DEFAULT_CACHE_COUNT
```
public static final String DEFAULT_CACHE_COUNT
```
    See Also:
    
    Constant Field Values
  - DEFAULT_CACHE_MIN_AGE
```
public static final String DEFAULT_CACHE_MIN_AGE
```
    See Also:
    
    Constant Field Values
  - DIRECTDOWNLOAD_PROPERTY
```
public static final String DIRECTDOWNLOAD_PROPERTY
```
    See Also:
    
    Constant Field Values
  - DEFAULT_DIRECTDOWNLOAD
```
public static final String DEFAULT_DIRECTDOWNLOAD
```
    See Also:
    
    Constant Field Values
  - DIRECTDOWNLOAD_EXPIRE_PROPERTY
```
public static final String DIRECTDOWNLOAD_EXPIRE_PROPERTY
```
    See Also:
    
    Constant Field Values
  - DEFAULT_DIRECTDOWNLOAD_EXPIRE
```
public static final int DEFAULT_DIRECTDOWNLOAD_EXPIRE
```
    See Also:
    
    Constant Field Values
  - DIGEST_ALGORITHM_PROPERTY
```
public static final String DIGEST_ALGORITHM_PROPERTY
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - AbstractCloudBinaryManager
```
public AbstractCloudBinaryManager()
```
- Method Detail
  - getSystemPropertyPrefix
```
protected abstract String getSystemPropertyPrefix()
```
    Gets the prefix used for configuration using system properties.
  - getFileStorage
```
protected abstract FileStorage getFileStorage()
```
  - instantiateGarbageCollector
```
protected abstract BinaryGarbageCollector instantiateGarbageCollector()
```
  - removeBinaries
```
public abstract void removeBinaries(Collection<String> digests)
```
    Description copied from interface: BinaryManager
    
    Remove definitively a set of binaries
    
    Specified by:
    
    removeBinaries in interface BinaryManager
    
    Overrides:
    
    removeBinaries in class AbstractBinaryManager
    
    Parameters:
    
    digests - a set of digests, must not be null.
  - setupCloudClient
```
protected abstract void setupCloudClient()
                                  throws IOException
```
    Configure Cloud client using properties
    
    Throws:
    
    IOException
  - initialize
```
public void initialize(String blobProviderId,
                       Map<String,String> properties)
                throws IOException
```
    Description copied from interface: BinaryManager
    
    Initializes the binary manager.
    
    Specified by:
    
    initialize in interface BinaryManager
    
    Specified by:
    
    initialize in interface BlobProvider
    
    Overrides:
    
    initialize in class CachingBinaryManager
    
    Parameters:
    
    blobProviderId - the blob provider id for this binary manager
    
    properties - initialization properties
    
    Throws:
    
    IOException
  - getBinaryManager
```
public BinaryManager getBinaryManager()
```
    Description copied from interface: BlobProvider
    
    Gets the associated binary manager, if any.
    
    Specified by:
    
    getBinaryManager in interface BlobProvider
    
    Returns:
    
    the binary manager, or null
  - readBlob
```
public Blob readBlob(BlobInfo blobInfo)
              throws IOException
```
    Description copied from interface: BlobProvider
    
    Reads a Blob from storage.
    
    Specified by:
    
    readBlob in interface BlobProvider
    
    Parameters:
    
    blobInfo - the blob information
    
    Returns:
    
    the blob
    
    Throws:
    
    IOException
  - writeBlob
```
public String writeBlob(Blob blob)
                 throws IOException
```
    Description copied from interface: BlobProvider
    
    Writes a Blob to storage and returns information about it.
    Called to store a user-created blob.
    
    Specified by:
    
    writeBlob in interface BlobProvider
    
    Parameters:
    
    blob - the blob
    
    Returns:
    
    the blob key
    
    Throws:
    
    IOException
  - performsExternalAccessControl
```
public boolean performsExternalAccessControl(BlobInfo blobInfo)
```
    Description copied from interface: BlobProvider
    
    Checks if the blob provider performs external access control checks.
    
    Specified by:
    
    performsExternalAccessControl in interface BlobProvider
    
    Parameters:
    
    blobInfo - the blob information to be read
    
    Returns:
    
    true if the provider performs security checks before reading a blob, false otherwise
  - supportsUserUpdate
```
public boolean supportsUserUpdate()
```
    Description copied from interface: BlobProvider
    
    Checks if user update is supported.
    A user update refers to the fact that a blob from this provider may be overwritten with another blob, wherever the original blob may occur (usually in a document property).
    
    Specified by:
    
    supportsUserUpdate in interface BlobProvider
    
    Returns:
    
    true if user update is supported
  - supportsUserUpdateDefaultTrue
```
protected boolean supportsUserUpdateDefaultTrue()
```
  - getURI
```
public URI getURI(ManagedBlob blob,
                  BlobManager.UsageHint hint,
                  javax.servlet.http.HttpServletRequest servletRequest)
           throws IOException
```
    Description copied from interface: BlobProvider
    
    Gets an URI for the content of a managed blob.
    
    Specified by:
    
    getURI in interface BlobProvider
    
    Parameters:
    
    blob - the managed blob
    
    hint - BlobManager.UsageHint
    
    servletRequest - the servlet request, or null
    
    Returns:
    
    the URI, or null if none available
    
    Throws:
    
    IOException
  - isDirectDownload
```
protected boolean isDirectDownload()
```
  - getRemoteUri
```
protected URI getRemoteUri(String digest,
                           ManagedBlob blob,
                           javax.servlet.http.HttpServletRequest servletRequest)
                    throws IOException
```
    Throws:
    
    IOException
  - getProperty
```
protected String getProperty(String propertyName)
```
  - getProperty
```
protected String getProperty(String propertyName,
                             String defaultValue)
```
  - getIntProperty
```
protected int getIntProperty(String key)
```
    Gets an integer property, or -1 if undefined.
  - getIntProperty
```
protected int getIntProperty(String key,
                             int defaultValue)
```
    Gets an integer property, or defaultValue if undefined.
    
    Since:
    
    11.4
  - getBooleanProperty
```
protected boolean getBooleanProperty(String key)
```
    Gets a boolean property.
    
    Since:
    
    10.3
  - getSystemPropertyName
```
public String getSystemPropertyName(String propertyName)
```
  - getContentTypeHeader
```
protected String getContentTypeHeader(Blob blob)
```
  - getContentDispositionHeader
```
protected String getContentDispositionHeader(Blob blob,
                                             javax.servlet.http.HttpServletRequest servletRequest)
```
  - getDefaultDigestAlgorithm
```
protected String getDefaultDigestAlgorithm()
```
    Description copied from class: AbstractBinaryManager
    
    Gets the default message digest to use to hash binaries.
    
    Overrides:
    
    getDefaultDigestAlgorithm in class AbstractBinaryManager
  - isTransient
```
public boolean isTransient()
```
    Description copied from interface: BlobProvider
    
    Checks whether this blob provider is transient: blobs may disappear after a while, so a caller should not rely on them being available forever.
    
    Specified by:
    
    isTransient in interface BlobProvider
  - getProperties
```
public Map<String,String> getProperties()
```
    Description copied from interface: BlobProvider
    
    Returns the properties of the blob provider.
    
    Specified by:
    
    getProperties in interface BlobProvider

Class AbstractCloudBinaryManager

Field Summary

Fields inherited from class org.nuxeo.ecm.core.blob.binary.CachingBinaryManager

Fields inherited from class org.nuxeo.ecm.core.blob.binary.AbstractBinaryManager

Fields inherited from interface org.nuxeo.ecm.core.blob.binary.BinaryManager

Constructor Summary

Method Summary

Methods inherited from class org.nuxeo.ecm.core.blob.binary.CachingBinaryManager

Methods inherited from class org.nuxeo.ecm.core.blob.binary.AbstractBinaryManager

Methods inherited from class java.lang.Object

Methods inherited from interface org.nuxeo.ecm.core.blob.BlobProvider

Field Detail

directDownload

directDownloadExpire

transientFlag

namespace

CACHE_SIZE_PROPERTY

CACHE_COUNT_PROPERTY

CACHE_MIN_AGE_PROPERTY

DEFAULT_CACHE_SIZE

DEFAULT_CACHE_COUNT

DEFAULT_CACHE_MIN_AGE

DIRECTDOWNLOAD_PROPERTY

DEFAULT_DIRECTDOWNLOAD

DIRECTDOWNLOAD_EXPIRE_PROPERTY

DEFAULT_DIRECTDOWNLOAD_EXPIRE

DIGEST_ALGORITHM_PROPERTY

Constructor Detail

AbstractCloudBinaryManager

Method Detail

getSystemPropertyPrefix

getFileStorage

instantiateGarbageCollector

removeBinaries

setupCloudClient

initialize

getBinaryManager

readBlob

writeBlob

performsExternalAccessControl

supportsUserUpdate

supportsUserUpdateDefaultTrue

getURI

isDirectDownload

getRemoteUri

getProperty

getProperty

getIntProperty

getIntProperty

getBooleanProperty

getSystemPropertyName

getContentTypeHeader

getContentDispositionHeader

getDefaultDigestAlgorithm

isTransient

getProperties