Class: Folder

Folder()

new Folder()

Represents a Folder instance
Do not call constructor directly.
Source:
See:

Members

(readonly) contentType :string

The most close contentType for this storage object based on it's extension. It's undefined if this storage object is a folder.
Type:
  • string
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(readonly) isFolder :boolean

Is this storage object a folder?
Type:
  • boolean
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(readonly) length :integer

The length/size in bytes of this storage object. 0 if it's a folder
Type:
  • integer
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(readonly) name :string

The name of this storage object. In a filesystem storage, this is the name of a folder or a file
Type:
  • string
Inherited From:
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(readonly) timestamp :Date

The lastModified date of this storage object
Type:
  • Date
Inherited From:
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Methods

addFolder(name) → {Folder}

Add a folder under this current folder
Parameters:
Name Type Description
name string child folder name
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Returns:
- the newly created folder
Type
Folder

addObject(altNameopt, streamSource) → {StorageObject}

Add a new file under this folder
Parameters:
Name Type Attributes Description
altName string <optional>
 the name of the file or an alternative name to the one provided by the ApiStreamSource
streamSource ApiStreamSource a stream source
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Returns:
- the newly created Storage Object
Type
StorageObject

contains(child) → {boolean}

Check if the object given by name exists under this folder
Parameters:
Name Type Description
child string the child name
Source:
Returns:
- true/false
Type
boolean

copy(folder, move)

Copy or Move a storage object to a specific folder
Parameters:
Name Type Description
folder Folder the destination folder
move boolean true: to move this storage object. false to create a copy of it
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count() → {integer}

Count the total number of storage objects under this folder. Includes all sub files and folders
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Returns:
- the nuber of files and folders under this folder
Type
integer

delete() → {boolean}

Delete this storage object
Inherited From:
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Returns:
- a status indicating if the folder is deleted by the storage engine
Type
boolean

exists()

Check if this object exists
Parameters:
Type Description
string the new name
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get(path) → {StorageObject}

Get a storage object under this folder, by path. It could be a file or folder
Parameters:
Name Type Description
path string the storage object path
Source:
Returns:
- the Storage Object for the given path
Type
StorageObject

list(visitor, filteropt) → {integer}

List all storage objects under this folder
Parameters:
Name Type Attributes Description
visitor function a visitor function.
filter function | string <optional>
 a filter to apply when listing children
Source:
Returns:
- the nuber of files and folders under this folder
Type
integer
Examples
myFolder.list ( function (so) {
    return so.isFolder;
  });
  
myFolder.list (
	  function (so) {
	  	// do something with the storage object
	  },
      function (so) {
	  	return so.isFolder;
	  }
  );
  
myFolder.list (
	  function (so) {
	  	// do something with the storage object
	  },
      'contains:alpha'
  );

reader(context) → {InputStream}

Get the reader of this storage object. Undefined if it's a folder
Parameters:
Name Type Description
context ApiContext | ApiRequest the context in which this function is called
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Returns:
an InputStream object
Type
InputStream

rename(newName)

Rename this storage object
Parameters:
Name Type Description
newName string the new name
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toJson(filteropt, fetchChildrenopt) → {Object}

Get a Json Object from this storage object. If it's a folder, returns direct children.
Parameters:
Name Type Attributes Description
filter function | string <optional>
 a filter to apply when listing children
fetchChildren boolean <optional>
 fetch also children
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Returns:
a json object
Type
Object

toOutput(filteropt, altNameopt, altContentTypeopt) → {ApiOutput}

Get a ApiOutput from this storage object.
Parameters:
Name Type Attributes Description
filter function | string <optional>
 a filter to apply when listing children
altName string <optional>
 the name of the stream source. If not provided, the name of the storage object will be used
altContentType string <optional>
 the contentType of the stream source. If not provided, the contentType of the storage object will be used
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Returns:
an ApiOutput object
Type
ApiOutput

toStreamSource(altNameopt, altContentTypeopt) → {ApiStreamSource}

Get a stream source from this storage object. Undefined if this storage object is a folder
Parameters:
Name Type Attributes Description
altName string <optional>
 the name of the stream source. If not provided, the name of the storage object will be used
altContentType string <optional>
 the contentType of the stream source. If not provided, the contentType of the storage object will be used
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Returns:
an ApiStreamSource object
Type
ApiStreamSource

update(payload, append) → {integer}

Update the content of this storage object. Doesn't apply to folders
Parameters:
Name Type Description
payload InputStream the new name
append boolean true to append to the existing content, false to overwrite
Inherited From:
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Returns:
- the number of bytes written to the storage object
Type
integer

writer(context) → {OutputStream}

Get the writer of this storage object. Undefined if it's a folder
Parameters:
Name Type Description
context ApiContext | ApiRequest the context in which this function is called
Inherited From:
Source:
Returns:
an OutputStream object
Type
OutputStream