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java.lang.Objectde.intarsys.tools.locator.NullLocator
public class NullLocator
Constructor Summary | |
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NullLocator()
|
Method Summary | |
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void |
delete()
Delete the artifact referenced by this. |
boolean |
exists()
Answer true if the location designated by this exists. |
ILocator |
getChild(java.lang.String name)
The locator for the resource name within the context of
this. |
java.lang.String |
getFullName()
The full physical name of this. |
java.io.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 |
java.lang.String |
getLocalName()
The local name of the receiver within its parent. |
java.io.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. |
java.io.Reader |
getReader()
A Reader on the data represented by the receiver. |
java.io.Reader |
getReader(java.lang.String encoding)
A Reader on the data represented by the receiver for the given
encoding. |
java.lang.String |
getType()
The type of the resource. |
java.lang.String |
getTypedName()
The qualified local name of the receiver within its parent that includes the type specification for the destination if appropriate. |
java.io.Writer |
getWriter()
A Writer on the location represented by the receiver. |
java.io.Writer |
getWriter(java.lang.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 |
isReadOnly()
true if the specified resource is read only. |
ILocator[] |
listLocators(ILocatorNameFilter filter)
Return an array of ILocator that are children of the receiver
that conform to filter . |
void |
rename(java.lang.String newName)
Rename the complete physical name to newName . |
void |
setReadOnly()
Make the receiver read only. |
void |
synch()
Perform a synchronization with the components physical resources. |
java.net.URL |
toURL()
The location designated by this as an URL . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public NullLocator()
Method Detail |
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public void delete() throws java.io.IOException
ILocator
delete
in interface ILocator
java.io.IOException
public boolean exists()
ILocator
true
if the location designated by this exists.
exists
in interface ILocator
true
if the location designated by this
exists.public ILocator getChild(java.lang.String name)
ILocator
name
within the context of
this. This may for example be an ILocator
to a file within a
directory.
getChild
in interface ILocator
name
- The name of the resource to be located.
ILocator
for the resource with the name "name" within
the context of this.public java.lang.String getFullName()
ILocator
This method returns a representation that is proprietary to the underlying physical representation, for example a file name, a SQL statement or so on.
getFullName
in interface ILocator
public java.io.InputStream getInputStream() throws java.io.IOException
ILocator
InputStream
on the data represented by the receiver.
getInputStream
in interface ILocator
InputStream
on the data represented by the receiver.
java.io.IOException
public long getLength() throws java.io.IOException
ILocator
getLength
in interface ILocator
java.io.IOException
- if an I/O error occurs.public java.lang.String getLocalName()
ILocator
getLocalName
in interface ILocator
public java.io.OutputStream getOutputStream() throws java.io.IOException
ILocator
OutputStream
on the location represented by the
receiver.
getOutputStream
in interface ILocator
OutputStream
on the location represented by the
receiver.
java.io.IOException
public ILocator getParent()
ILocator
ILocator
that is one hierarchy level up or null. This may be
for example the directory where the currently designated resource is
found.
getParent
in interface ILocator
ILocator
that is one hierarchy level up or null.public IRandomAccess getRandomAccess() throws java.io.IOException
ILocator
IRandomAccess
for this.
getRandomAccess
in interface ILocator
IRandomAccess
for this.
java.io.IOException
public java.io.Reader getReader() throws java.io.IOException
ILocator
Reader
on the data represented by the receiver.
getReader
in interface ILocator
Reader
on the data represented by the receiver.
java.io.IOException
public java.io.Reader getReader(java.lang.String encoding) throws java.io.IOException
ILocator
Reader
on the data represented by the receiver for the given
encoding.
getReader
in interface ILocator
encoding
- The encoding.
Reader
on the data represented by the receiver for the
given encoding.
java.io.IOException
public java.lang.String getType()
ILocator
getType
in interface ILocator
public java.lang.String getTypedName()
ILocator
getTypedName
in interface ILocator
public java.io.Writer getWriter() throws java.io.IOException
ILocator
Writer
on the location represented by the receiver.
getWriter
in interface ILocator
Writer
on the location represented by the receiver.
java.io.IOException
public java.io.Writer getWriter(java.lang.String encoding) throws java.io.IOException
ILocator
Writer
on the location represented by the receiver for the
given encoding.
getWriter
in interface ILocator
encoding
- The encoding.
Writer
on the location represented by the receiver for
the given encoding.
java.io.IOException
public boolean isDirectory()
ILocator
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.
isDirectory
in interface ILocator
true
if the location designated by this is
a directory.public boolean isOutOfSynch()
ISynchronizable
true
if the component is out of synch.
isOutOfSynch
in interface ISynchronizable
true
if the component is out of synch.public boolean isReadOnly()
ILocator
true
if the specified resource is read only.
isReadOnly
in interface ILocator
true
if the specified resource is read only.public ILocator[] listLocators(ILocatorNameFilter filter) throws java.io.IOException
ILocator
ILocator
that are children of the receiver
that conform to filter
. This method never returns null.
listLocators
in interface ILocator
filter
- The filter used to examine the child resources.
ILocator
objects that conform to the filter
argument.
java.io.IOException
public void rename(java.lang.String newName) throws java.io.IOException
ILocator
newName
.
rename
in interface ILocator
newName
- The new name of the ILocator
. The new name is
expected to contain both local and type part of the name.
java.io.IOException
public void setReadOnly()
ILocator
setReadOnly
in interface ILocator
public void synch()
ISynchronizable
In case of a scheduled synchronization this may be called by an external daemon.
synch
in interface ISynchronizable
public java.net.URL toURL()
ILocator
URL
.
toURL
in interface ILocator
URL
.
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