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javax.tools
Class ForwardingFileObject<F extends FileObject>

java.lang.Object
 extended by javax.tools.ForwardingFileObject<F>

Type Parameters:

F - the kind of file object forwarded to by this object

All Implemented Interfaces:

FileObject

Direct Known Subclasses:

ForwardingJavaFileObject

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public class ForwardingFileObject<F extends FileObject>
extends Object
implements FileObject

Forwards calls to a given file object. Subclasses of this class might override some of these methods and might also provide additional fields and methods.

Since:

1.6

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Field Summary
protected F	fileObject The file object which all methods are delegated to.

Constructor Summary
protected	ForwardingFileObject(F fileObject) Creates a new instance of ForwardingFileObject.

Method Summary
boolean	delete() Deletes this file object.
CharSequence	getCharContent(boolean ignoreEncodingErrors) Gets the character content of this file object, if available.
long	getLastModified() Gets the time this file object was last modified.
String	getName() Gets a user-friendly name for this file object.
InputStream	openInputStream() Gets an InputStream for this file object.
OutputStream	openOutputStream() Gets an OutputStream for this file object.
Reader	openReader(boolean ignoreEncodingErrors) Gets a reader for this object.
Writer	openWriter() Gets a Writer for this file object.
URI	toUri() Returns a URI identifying this file object.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fileObject

protected final F extends FileObject fileObject

The file object which all methods are delegated to.

Constructor Detail

ForwardingFileObject

protected ForwardingFileObject(F fileObject)

Creates a new instance of ForwardingFileObject.

Parameters:

fileObject - delegate to this file object

Method Detail

toUri

public URI toUri()

Description copied from interface: FileObject

Returns a URI identifying this file object.

Specified by:

toUri in interface FileObject

Returns:

a URI

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getName

public String getName()

Description copied from interface: FileObject

Gets a user-friendly name for this file object. The exact value returned is not specified but implementations should take care to preserve names as given by the user. For example, if the user writes the filename "BobsApp\Test.java" on the command line, this method should return "BobsApp\Test.java" whereas the toUri method might return file:///C:/Documents%20and%20Settings/UncleBob/BobsApp/Test.java.

Specified by:

getName in interface FileObject

Returns:

a user-friendly name

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openInputStream

public InputStream openInputStream()
 throws IOException

Description copied from interface: FileObject

Gets an InputStream for this file object.

Specified by:

openInputStream in interface FileObject

Returns:

an InputStream

Throws:

IllegalStateException - if this file object was opened for writing and does not support reading

UnsupportedOperationException - if this kind of file object does not support byte access

IOException - if an I/O error occurred

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openOutputStream

public OutputStream openOutputStream()
 throws IOException

Description copied from interface: FileObject

Gets an OutputStream for this file object.

Specified by:

openOutputStream in interface FileObject

Returns:

an OutputStream

Throws:

IllegalStateException - if this file object was opened for reading and does not support writing

UnsupportedOperationException - if this kind of file object does not support byte access

IOException - if an I/O error occurred

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openReader

public Reader openReader(boolean ignoreEncodingErrors)
 throws IOException

Description copied from interface: FileObject

Gets a reader for this object. The returned reader will replace bytes that cannot be decoded with the default translation character. In addition, the reader may report a diagnostic unless ignoreEncodingErrors is true.

Specified by:

openReader in interface FileObject

Parameters:

ignoreEncodingErrors - ignore encoding errors if true

Returns:

a Reader

Throws:

IllegalStateException - if this file object was opened for writing and does not support reading

UnsupportedOperationException - if this kind of file object does not support character access

IOException - if an I/O error occurred

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getCharContent

public CharSequence getCharContent(boolean ignoreEncodingErrors)
 throws IOException

Description copied from interface: FileObject

Gets the character content of this file object, if available. Any byte that cannot be decoded will be replaced by the default translation character. In addition, a diagnostic may be reported unless ignoreEncodingErrors is true.

Specified by:

getCharContent in interface FileObject

Parameters:

ignoreEncodingErrors - ignore encoding errors if true

Returns:

a CharSequence if available; null otherwise

Throws:

IllegalStateException - if this file object was opened for writing and does not support reading

UnsupportedOperationException - if this kind of file object does not support character access

IOException - if an I/O error occurred

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openWriter

public Writer openWriter()
 throws IOException

Description copied from interface: FileObject

Gets a Writer for this file object.

Specified by:

openWriter in interface FileObject

Returns:

a Writer

Throws:

IllegalStateException - if this file object was opened for reading and does not support writing

UnsupportedOperationException - if this kind of file object does not support character access

IOException - if an I/O error occurred

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getLastModified

public long getLastModified()

Description copied from interface: FileObject

Gets the time this file object was last modified. The time is measured in milliseconds since the epoch (00:00:00 GMT, January 1, 1970).

Specified by:

getLastModified in interface FileObject

Returns:

the time this file object was last modified; or 0 if the file object does not exist, if an I/O error occurred, or if the operation is not supported

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delete

public boolean delete()

Description copied from interface: FileObject

Deletes this file object. In case of errors, returns false.

Specified by:

delete in interface FileObject

Returns:

true if and only if this file object is successfully deleted; false otherwise

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Overview Package Class Use Tree Deprecated Index Help		Java™ Platform Standard Ed. 6
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