FileSystemSupport (Xtext Documentation)

All Known Subinterfaces:

CodeGenerationContext, MutableFileSystemSupport, RegisterGlobalsContext, TransformationContext, ValidationContext
```
@Beta
public interface FileSystemSupport
```
Support for accessing the file system.

Author:

Anton Kosyakov, Sven Efftinge

This interface is not intended to be implemented by clients.

This interface is not intended to be implemented by clients.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`exists(Path path)`
`java.lang.String`	`getCharset(Path path)` Returns the name of a charset to be used when decoding the contents of this file into characters.
`java.lang.Iterable<? extends Path>`	`getChildren(Path path)`
`java.lang.CharSequence`	`getContents(Path path)` Returns the contents of this file as a char sequence.
`java.io.InputStream`	`getContentsAsStream(Path path)` Returns an open input stream on the contents of this file.
`long`	`getLastModification(Path path)`
`boolean`	`isFile(Path path)`
`boolean`	`isFolder(Path path)`
`java.net.URI`	`toURI(Path path)` Returns the URI representing the given path.

- Method Detail
  - getChildren
```
java.lang.Iterable<? extends Path> getChildren(Path path)
```
    Parameters:
    path -
    
    Returns:
    the children of the folder the given path points to; empty iterable if the path points to a non existent file or folder
    
    Throws:
    
    java.lang.IllegalArgumentException - if it is not possible to get children of a given path for some reason
  - exists
```
boolean exists(Path path)
```
    Parameters:
    path - the path
    
    Returns:
    whether the given path points to an existent file.
  - isFolder
```
boolean isFolder(Path path)
```
    Parameters:
    path -
    
    Returns:
    whether the given path points to an existent folder
  - isFile
```
boolean isFile(Path path)
```
    Parameters:
    path -
    
    Returns:
    whether the given path points to an existent file
  - getLastModification
```
long getLastModification(Path path)
```
    Parameters:
    path -
    
    Returns:
    A long value representing the time the file was last modified, measured in milliseconds since the epoch (00:00:00 GMT, January 1, 1970), or 0L if the file does not exist.
  - getCharset
```
java.lang.String getCharset(Path path)
```
    Returns the name of a charset to be used when decoding the contents of this file into characters.
    
    Parameters:
    path - the path
    
    Returns:
    the name of a charset
    
    Throws:
    
    java.lang.IllegalArgumentException - if it is not possible to get charset of a given path for some reason
  - getContents
```
java.lang.CharSequence getContents(Path path)
```
    Returns the contents of this file as a char sequence.
    
    Parameters:
    path - the path
    
    Returns:
    an input stream containing the contents of the file
    
    Throws:
    
    java.lang.IllegalArgumentException - if the path points to a non existent file
  - getContentsAsStream
```
java.io.InputStream getContentsAsStream(Path path)
```
    Returns an open input stream on the contents of this file.
    
    Parameters:
    path - the path
    
    Returns:
    an input stream containing the contents of the file
    
    Throws:
    
    java.lang.IllegalArgumentException - if the path points to a non existent file
  - toURI
```
java.net.URI toURI(Path path)
```
    Returns the URI representing the given path.
    
    Warning: Don't use this method to get write access.
    
    Parameters:
    path - the path
    
    Returns:
    the URI representing the given path or null if the path points to a non existent file or a folder.

Interface FileSystemSupport

Method Summary

Method Detail

getChildren

exists

isFolder

isFile

getLastModification

getCharset

getContents

getContentsAsStream

toURI