Package org.apache.tools.ant.types.resources

Class FileResource

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.types.DataType

org.apache.tools.ant.types.Resource

org.apache.tools.ant.types.resources.FileResource

All Implemented Interfaces:

Cloneable, Comparable<Resource>, Iterable<Resource>, ResourceCollection, ResourceFactory, Appendable, FileProvider, Touchable

public class FileResource
extends Resource
implements Touchable, FileProvider, ResourceFactory, Appendable

A Resource representation of a File.

Since:

Ant 1.7

Field Summary

Fields inherited from class org.apache.tools.ant.types.Resource

MAGIC, UNKNOWN_DATETIME, UNKNOWN_SIZE

Fields inherited from class org.apache.tools.ant.types.DataType

checked, ref

Fields inherited from class org.apache.tools.ant.ProjectComponent

description, location, project

Constructor Summary

Constructors

Constructor	Description
FileResource()	Default constructor.
FileResource(File f)	Construct a new FileResource from a File.
FileResource(File b, String name)	Construct a new FileResource using the specified basedir and relative name.
FileResource(Project p, File f)	Create a new FileResource.
FileResource(Project p, String s)	Constructor for Ant attribute introspection.

Method Summary

Modifier and Type	Method	Description
int	compareTo(Resource another)	Compare this FileResource to another Resource.
boolean	equals(Object another)	Compare another Object to this FileResource for equality.
OutputStream	getAppendOutputStream()	Get an appending OutputStream.
File	getBaseDir()	Return the basedir to which the name is relative.
File	getFile()	Get the file represented by this FileResource.
InputStream	getInputStream()	Return an InputStream for reading the contents of this Resource.
long	getLastModified()	Get the modification time in milliseconds since 01.01.1970 .
String	getName()	Get the name of this FileResource.
protected File	getNotNullFile()	Get the file represented by this FileResource, ensuring it is not null.
OutputStream	getOutputStream()	Get an OutputStream for the Resource.
protected FileResource	getRef()	Perform the check for circular references and return the referenced Resource.
Resource	getResource(String path)	Create a new resource that matches a relative or absolute path.
long	getSize()	Get the size of this Resource.
int	hashCode()	Get the hash code for this Resource.
boolean	isDirectory()	Learn whether the resource is a directory.
boolean	isExists()	Learn whether this file exists.
boolean	isFilesystemOnly()	Fulfill the ResourceCollection contract.
void	setBaseDir(File b)	Set the basedir for this FileResource.
void	setFile(File f)	Set the File for this FileResource.
void	setRefid(Reference r)	Overrides the super version.
String	toString()	Get the string representation of this Resource.
void	touch(long modTime)	Implement the Touchable interface.

Methods inherited from class org.apache.tools.ant.types.Resource

as, asOptional, clone, getMagicNumber, iterator, setDirectory, setExists, setLastModified, setName, setSize, size, toLongString

Methods inherited from class org.apache.tools.ant.types.DataType

checkAttributesAllowed, checkChildrenAllowed, circularReference, dieOnCircularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, tooManyAttributes

Methods inherited from class org.apache.tools.ant.ProjectComponent

getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface org.apache.tools.ant.types.ResourceCollection

isEmpty, stream

Constructor Details

FileResource

public FileResource()

Default constructor.

FileResource

public FileResource(File b,
 String name)

Construct a new FileResource using the specified basedir and relative name.

Parameters:

b - the basedir as File.

name - the relative filename.

FileResource

public FileResource(File f)

Construct a new FileResource from a File.

Parameters:

f - the File represented.

FileResource

public FileResource(Project p,
 File f)

Create a new FileResource.

Parameters:

p - Project

f - File represented

Since:

Ant 1.8

FileResource

public FileResource(Project p,
 String s)

Constructor for Ant attribute introspection.

Parameters:

p - the Project against which to resolve s.

s - the absolute or Project-relative filename as a String.

See Also:

• IntrospectionHelper

Method Details

setFile

public void setFile(File f)

Set the File for this FileResource.

Parameters:

f - the File to be represented.

getFile

public File getFile()

Get the file represented by this FileResource.

Specified by:

getFile in interface FileProvider

Returns:

the File.

setBaseDir

public void setBaseDir(File b)

Set the basedir for this FileResource.

Parameters:

b - the basedir as File.

getBaseDir

public File getBaseDir()

Return the basedir to which the name is relative.

Returns:

the basedir as File.

setRefid

public void setRefid(Reference r)

Overrides the super version.

Overrides:

setRefid in class Resource

Parameters:

r - the Reference to set.

getName

public String getName()

Get the name of this FileResource. If the basedir is set, the name will be relative to that. Otherwise the basename only will be returned.

Overrides:

getName in class Resource

Returns:

the name of this resource.

isExists

public boolean isExists()

Learn whether this file exists.

Overrides:

isExists in class Resource

Returns:

true if this resource exists.

getLastModified

public long getLastModified()

Get the modification time in milliseconds since 01.01.1970 .

Overrides:

getLastModified in class Resource

Returns:

0 if the resource does not exist.

isDirectory

public boolean isDirectory()

Learn whether the resource is a directory.

Overrides:

isDirectory in class Resource

Returns:

boolean flag indicating if the resource is a directory.

getSize

public long getSize()

Get the size of this Resource.

Overrides:

getSize in class Resource

Returns:

the size, as a long, 0 if the Resource does not exist.

getInputStream

public InputStream getInputStream()
                           throws IOException

Return an InputStream for reading the contents of this Resource.

Overrides:

getInputStream in class Resource

Returns:

an InputStream object.

Throws:

IOException - if an error occurs.

getOutputStream

public OutputStream getOutputStream()
                             throws IOException

Get an OutputStream for the Resource.

Overrides:

getOutputStream in class Resource

Returns:

an OutputStream to which content can be written.

Throws:

IOException - if unable to provide the content of this Resource as a stream.

UnsupportedOperationException - if OutputStreams are not supported for this Resource type.

getAppendOutputStream

public OutputStream getAppendOutputStream()
                                   throws IOException

Get an appending OutputStream.

Specified by:

getAppendOutputStream in interface Appendable

Returns:

OutputStream

Throws:

IOException - if anything goes wrong

compareTo

public int compareTo(Resource another)

Compare this FileResource to another Resource.

Specified by:

compareTo in interface Comparable<Resource>

Overrides:

compareTo in class Resource

Parameters:

another - the other Resource against which to compare.

Returns:

a negative integer, zero, or a positive integer as this FileResource is less than, equal to, or greater than the specified Resource.

equals

public boolean equals(Object another)

Compare another Object to this FileResource for equality.

Overrides:

equals in class Resource

Parameters:

another - the other Object to compare.

Returns:

true if another is a FileResource representing the same file.

hashCode

public int hashCode()

Get the hash code for this Resource.

Overrides:

hashCode in class Resource

Returns:

hash code as int.

toString

public String toString()

Get the string representation of this Resource.

Overrides:

toString in class Resource

Returns:

this FileResource formatted as a String.

isFilesystemOnly

public boolean isFilesystemOnly()

Fulfill the ResourceCollection contract.

Specified by:

isFilesystemOnly in interface ResourceCollection

Overrides:

isFilesystemOnly in class Resource

Returns:

whether this Resource is a FileResource.

touch

public void touch(long modTime)

Implement the Touchable interface.

Specified by:

touch in interface Touchable

Parameters:

modTime - new last modification time.

getNotNullFile

protected File getNotNullFile()

Get the file represented by this FileResource, ensuring it is not null.

Returns:

the not-null File.

Throws:

BuildException - if file is null.

getResource

public Resource getResource(String path)

Create a new resource that matches a relative or absolute path. If the current instance has a compatible baseDir attribute, it is copied.

Specified by:

getResource in interface ResourceFactory

Parameters:

path - relative/absolute path to a resource

Returns:

a new resource of type FileResource

Throws:

BuildException - if desired

Since:

Ant1.8

getRef

protected FileResource getRef()

Description copied from class: Resource

Perform the check for circular references and return the referenced Resource.

Overrides:

getRef in class Resource

Returns:

Resource.