de.intarsys.tools.locator
Class ByteArrayLocator

java.lang.Object
  de.intarsys.tools.locator.CommonLocator
      de.intarsys.tools.locator.ByteArrayLocator

All Implemented Interfaces:

ICharsetAccess, ICharsetSupport, ISynchronizable, ILocator, Serializable

public class ByteArrayLocator
extends CommonLocator
implements Serializable, ICharsetAccess

An adapter from a byte[] object to ILocator.

See Also:

Serialized Form

Constructor Summary

ByteArrayLocator(byte[] data, String pFullName)

ByteArrayLocator(byte[] data, String pName, String pType)

Method Summary

void	delete() Delete the artifact referenced by this.
boolean	exists() Answer true if the location designated by this exists.
byte[]	getBytes()
String	getCharset()
ILocator	getChild(String name) The locator for the resource name within the context of this.
byte[]	getContent()
String	getFullName() The full physical name of this.
InputStream	getInputStream() Return an InputStream on the data represented by the receiver.
long	getLength() Returns the length of this data container or -1 if unknown
String	getLocalName() The local name of the receiver within its parent.
OutputStream	getOutputStream() Return an OutputStream on the location represented by the receiver.
ILocator	getParent() The ILocator that is one hierarchy level up or null.
IRandomAccess	getRandomAccess() The IRandomAccess for this.
Reader	getReader() A Reader on the data represented by the receiver.
Reader	getReader(String encoding) A Reader on the data represented by the receiver for the given encoding.
String	getType() The type of the resource.
String	getTypedName() The qualified local name of the receiver within its parent that includes the type specification for the destination if appropriate.
Writer	getWriter() A Writer on the location represented by the receiver.
Writer	getWriter(String encoding) A Writer on the location represented by the receiver for the given encoding.
boolean	isDirectory() Answer true if the location designated by this is a directory.
boolean	isOutOfSynch() true if the component is out of synch.
boolean	isSynchSynchronous()
ILocator[]	listLocators(ILocatorNameFilter filter) Return an array of ILocator that are children of the receiver that conform to filter.
void	rename(String newName) Rename the complete physical name to newName.
void	setCharset(String charset)
void	synch() Perform a synchronization with the components physical resources.
URL	toURL() The location designated by this as an URL.

Methods inherited from class de.intarsys.tools.locator.CommonLocator

isReadOnly, setReadOnly

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteArrayLocator

public ByteArrayLocator(byte[] data,
                        String pFullName)

ByteArrayLocator

public ByteArrayLocator(byte[] data,
                        String pName,
                        String pType)

Method Detail

delete

public void delete()
            throws IOException

Description copied from interface: ILocator

Delete the artifact referenced by this.

Specified by:

delete in interface ILocator

Overrides:

delete in class CommonLocator

Throws:

IOException

exists

public boolean exists()

Description copied from interface: ILocator

Answer true if the location designated by this exists.

Specified by:

exists in interface ILocator

Returns:

Answer true if the location designated by this exists.

getBytes

public byte[] getBytes()

getCharset

public String getCharset()

Specified by:

getCharset in interface ICharsetSupport

getChild

public ILocator getChild(String name)

Description copied from interface: ILocator

The locator for the resource name within the context of this. This may for example be an ILocator to a file within a directory.

Specified by:

getChild in interface ILocator

Parameters:

name - The name of the resource to be located.

Returns:

The ILocator for the resource with the name "name" within the context of this.

getContent

public byte[] getContent()

getFullName

public String getFullName()

Description copied from interface: ILocator

The full physical name of this.

This method returns a representation that is proprietary to the underlying physical representation, for example a file name, a SQL statement or so on.

Specified by:

getFullName in interface ILocator

Returns:

The full physical name of the receiver.

getInputStream

public InputStream getInputStream()

Description copied from interface: ILocator

Return an InputStream on the data represented by the receiver.

Specified by:

getInputStream in interface ILocator

Returns:

An InputStream on the data represented by the receiver.

getLength

public long getLength()

Description copied from interface: ILocator

Returns the length of this data container or -1 if unknown

Specified by:

getLength in interface ILocator

Overrides:

getLength in class CommonLocator

Returns:

the length of this data container, measured in bytes.

getLocalName

public String getLocalName()

Description copied from interface: ILocator

The local name of the receiver within its parent.

Specified by:

getLocalName in interface ILocator

Returns:

The local name of the receiver within its parent.

getOutputStream

public OutputStream getOutputStream()

Description copied from interface: ILocator

Return an OutputStream on the location represented by the receiver.

Specified by:

getOutputStream in interface ILocator

Returns:

An OutputStream on the location represented by the receiver.

getParent

public ILocator getParent()

Description copied from interface: ILocator

The ILocator that is one hierarchy level up or null. This may be for example the directory where the currently designated resource is found.

Specified by:

getParent in interface ILocator

Returns:

The ILocatorthat is one hierarchy level up or null.

getRandomAccess

public IRandomAccess getRandomAccess()

Description copied from interface: ILocator

The IRandomAccess for this.

Specified by:

getRandomAccess in interface ILocator

Returns:

The IRandomAccess for this.

getReader

public Reader getReader()
                 throws IOException

Description copied from interface: ILocator

A Reader on the data represented by the receiver.

Specified by:

getReader in interface ILocator

Returns:

A Reader on the data represented by the receiver.

Throws:

IOException

getReader

public Reader getReader(String encoding)
                 throws IOException

Description copied from interface: ILocator

A Reader on the data represented by the receiver for the given encoding.

Specified by:

getReader in interface ILocator

Parameters:

encoding - The encoding.

Returns:

A Reader on the data represented by the receiver for the given encoding.

Throws:

IOException

getType

public String getType()

Description copied from interface: ILocator

The type of the resource. This may be for example a mime type or the file extension of the underlying file.

Specified by:

getType in interface ILocator

Returns:

The type of the resource

getTypedName

public String getTypedName()

Description copied from interface: ILocator

The qualified local name of the receiver within its parent that includes the type specification for the destination if appropriate. This is for example a filename with its correct suffix. Some locator may return the same name as "getLocalName".

Specified by:

getTypedName in interface ILocator

Returns:

The qualified local name of the receiver within its parent that includes the type specification for the destination if appropriate.

getWriter

public Writer getWriter()
                 throws IOException

Description copied from interface: ILocator

A Writer on the location represented by the receiver.

Specified by:

getWriter in interface ILocator

Returns:

A Writer on the location represented by the receiver.

Throws:

IOException

getWriter

public Writer getWriter(String encoding)
                 throws IOException

Description copied from interface: ILocator

A Writer on the location represented by the receiver for the given encoding.

Specified by:

getWriter in interface ILocator

Parameters:

encoding - The encoding.

Returns:

A Writer on the location represented by the receiver for the given encoding.

Throws:

IOException

isDirectory

public boolean isDirectory()

Description copied from interface: ILocator

Answer true if the location designated by this is a directory. A directory location serves as a container for other resources, you can never getInputStream on this.

Specified by:

isDirectory in interface ILocator

Returns:

Answer true if the location designated by this is a directory.

isOutOfSynch

public boolean isOutOfSynch()

Description copied from interface: ISynchronizable

true if the component is out of synch.

Specified by:

isOutOfSynch in interface ISynchronizable

Returns:

true if the component is out of synch.

isSynchSynchronous

public boolean isSynchSynchronous()

listLocators

public ILocator[] listLocators(ILocatorNameFilter filter)

Description copied from interface: ILocator

Return an array of ILocator that are children of the receiver that conform to filter. This method never returns null.

Specified by:

listLocators in interface ILocator

Parameters:

filter - The filter used to examine the child resources.

Returns:

An array of ILocator objects that conform to the filter argument.

rename

public void rename(String newName)
            throws IOException

Description copied from interface: ILocator

Rename the complete physical name to newName.

Specified by:

rename in interface ILocator

Overrides:

rename in class CommonLocator

Parameters:

newName - The new name of the ILocator. The new name is expected to contain both local and type part of the name.

Throws:

IOException

setCharset

public void setCharset(String charset)

Specified by:

setCharset in interface ICharsetAccess

synch

public void synch()

Description copied from interface: ISynchronizable

Perform a synchronization with the components physical resources.

In case of a scheduled synchronization this may be called by an external daemon.

Specified by:

synch in interface ISynchronizable

toURL

public URL toURL()

Description copied from interface: ILocator

The location designated by this as an URL.

Specified by:

toURL in interface ILocator

Returns:

The location designated by this as an URL.