de.intarsys.tools.locator
Class ReadOnlyLocator

java.lang.Object
  de.intarsys.tools.locator.ReadOnlyLocator

All Implemented Interfaces:

de.intarsys.tools.component.ISynchronizable, ILocator

public class ReadOnlyLocator
extends Object
implements ILocator

Constructor Summary

ReadOnlyLocator(ILocator delegate)

Method Summary

void	delete() Delete the artifact referenced by this.
boolean	exists() Answer true if the location designated by this exists.
ILocator	getChild(String name) The locator for the resource name within the context of this.
ILocator	getDelegate()
String	getFullName() The full physical name of this.
InputStream	getInputStream() Return an InputStream on the data represented by the receiver.
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()
boolean	isReadOnly() true if the specified resource is read only.
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	setReadOnly() Make the receiver read only.
void	synch()
URL	toURL() The location designated by this as an URL.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadOnlyLocator

public ReadOnlyLocator(ILocator delegate)

Method Detail

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.

getDelegate

public ILocator getDelegate()

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.

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.

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()
                           throws IOException

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.

Throws:

IOException

getOutputStream

public OutputStream getOutputStream()
                             throws IOException

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.

Throws:

IOException

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()
                              throws IOException

Description copied from interface: ILocator

The IRandomAccess for this.

Specified by:

getRandomAccess in interface ILocator

Returns:

The IRandomAccess for this.

Throws:

IOException

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()

Specified by:

isOutOfSynch in interface de.intarsys.tools.component.ISynchronizable

isSynchSynchronous

public boolean isSynchSynchronous()

Specified by:

isSynchSynchronous in interface de.intarsys.tools.component.ISynchronizable

listLocators

public ILocator[] listLocators(ILocatorNameFilter filter)
                        throws IOException

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.

Throws:

IOException

synch

public void synch()

Specified by:

synch in interface de.intarsys.tools.component.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.

delete

public void delete()
            throws IOException

Description copied from interface: ILocator

Delete the artifact referenced by this.

Specified by:

delete in interface ILocator

Throws:

IOException

isReadOnly

public boolean isReadOnly()

Description copied from interface: ILocator

true if the specified resource is read only.

Specified by:

isReadOnly in interface ILocator

Returns:

true if the specified resource is read only.

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

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

setReadOnly

public void setReadOnly()

Description copied from interface: ILocator

Make the receiver read only. This is a one way switch only.

Specified by:

setReadOnly in interface ILocator