Package com.gengoai.io.resource

Class EmptyResource

java.lang.Object

com.gengoai.io.resource.BaseResource

com.gengoai.io.resource.EmptyResource

All Implemented Interfaces:

NonTraversableResource, Resource, Serializable

public class EmptyResource
extends BaseResource
implements NonTraversableResource

An empty resource

Author:

David B. Bracewell

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.gengoai.io.resource.Resource

Resource.Deserializer

Field Summary

Fields

Modifier and Type	Field	Description
static EmptyResource	INSTANCE	The singleton instance

Fields inherited from interface com.gengoai.io.resource.Resource

ALL_FILE_PATTERN

Constructor Summary

Constructors

Constructor	Description
EmptyResource()

Method Summary

Modifier and Type	Method	Description
Resource	append(byte[] byteArray)	Appends the given byte array content to the resource.
boolean	canRead()	Returns true if the resource is readable, false if not.
boolean	canWrite()	Returns true if the resource is writable, false if not.
boolean	exists()	Exists boolean.

Methods inherited from class com.gengoai.io.resource.BaseResource

asFile, asURI, baseName, compressed, createInputStream, createOutputStream, descriptor, getCharset, inputStream, isCompressed, isDirectory, outputStream, path, setCharset, setCompression, setIsCompressed, toString, uncompressed

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.gengoai.io.resource.NonTraversableResource

childIterator, childIterator, getChild, getChildren, getChildren, getChildren, getChildren, getChildren, getParent

Methods inherited from interface com.gengoai.io.resource.Resource

append, asFile, asPath, asURI, asURL, baseName, compressed, copy, delete, delete, deleteOnExit, descriptor, forEach, getCharset, inputStream, isCompressed, isDirectory, lines, mkdir, mkdirs, outputStream, path, readBytes, reader, readLines, readObject, readToString, setCharset, setCompression, setIsCompressed, uncompressed, write, write, writeObject, writer

Field Detail

INSTANCE

public static final EmptyResource INSTANCE

The singleton instance

Constructor Detail

EmptyResource

public EmptyResource()

Method Detail

append

public Resource append(byte[] byteArray)
                throws IOException

Description copied from interface: Resource

Appends the given byte array content to the resource.

Specified by:

append in interface Resource

Parameters:

byteArray - The content to append

Returns:

the resource

Throws:

IOException - the io exception

exists

public boolean exists()

Description copied from interface: Resource

Exists boolean.

Specified by:

exists in interface Resource

Returns:

True if the resource exists, False if the resource does not exist.

canWrite

public boolean canWrite()

Description copied from interface: Resource

Returns true if the resource is writable, false if not.

Specified by:

canWrite in interface Resource

Overrides:

canWrite in class BaseResource

Returns:

True if can write to the resource

canRead

public boolean canRead()

Description copied from interface: Resource

Returns true if the resource is readable, false if not.

Specified by:

canRead in interface Resource

Overrides:

canRead in class BaseResource

Returns:

True if can read from the resource