org.writersforge.catalan.process.workers.io
Class IOAdapter

java.lang.Object
  org.writersforge.catalan.process.workers.io.IOAdapter

public class IOAdapter

extends java.lang.Object

Convenience class for converting I/O classes from one interface to another, for example a Reader into an InputStream.

Author:

jsheets

Constructor Summary

IOAdapter(java.lang.Object io)
Creates a new instance of IOAdapter.

Method Summary

java.io.File	asFile() Converts the wrapped object into an File object.
java.io.InputStream	asInputStream() Converts the wrapped object into an InputStream object.
java.io.OutputStream	asOutputStream() Converts the wrapped object into an OutputStream object.
java.io.OutputStream	asOutputStream(boolean append) Converts the wrapped object into an OutputStream object with appending preference.
java.io.Reader	asReader() Converts the wrapped object into a Reader object.
java.io.Writer	asWriter() Converts the wrapped object into a Writer object.
java.io.Writer	asWriter(boolean append) Converts the wrapped object into a Writer object with appending preference.
boolean	delete() Deletes the backing file of the wrapped object, if possible.
boolean	isReader() Determines if the wrapped object is suitable for reading from.
boolean	isWriter() Determines if the wrapped object is suitable for writing to.

Methods inherited from class java.lang.Object

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

Constructor Detail

IOAdapter

public IOAdapter(java.lang.Object io)

Creates a new instance of IOAdapter.

Parameters:

io - IO object to wrap

Method Detail

isReader

public boolean isReader()

Determines if the wrapped object is suitable for reading from.

Returns:

true if wrapped object is readable

isWriter

public boolean isWriter()

Determines if the wrapped object is suitable for writing to.

Returns:

true if wrapped object is writable

asReader

public java.io.Reader asReader()

Converts the wrapped object into a Reader object.

Returns:

a Reader or null if not adaptable

asInputStream

public java.io.InputStream asInputStream()

Converts the wrapped object into an InputStream object.

Returns:

a InputStream or null if not adaptable

asWriter

public java.io.Writer asWriter()

Converts the wrapped object into a Writer object.

Returns:

a Writer or null if not adaptable

asWriter

public java.io.Writer asWriter(boolean append)

Converts the wrapped object into a Writer object with appending preference.

Parameters:

append - true to append data to the output stream, if possible

Returns:

a Writer or null if not adaptable

asOutputStream

public java.io.OutputStream asOutputStream()

Converts the wrapped object into an OutputStream object.

Returns:

an OutputStream or null if not adaptable

asOutputStream

public java.io.OutputStream asOutputStream(boolean append)

Converts the wrapped object into an OutputStream object with appending preference.

Parameters:

append - true to append data to the output stream, if possible

Returns:

an OutputStream or null if not adaptable

asFile

public java.io.File asFile()

Converts the wrapped object into an File object.

Returns:

a File or null if not adaptable

delete

public boolean delete()

Deletes the backing file of the wrapped object, if possible. If no file is associated with the object, returns true.

Returns:

true if backing file no longer exists