public abstract class AbstractResource extends java.lang.Object implements Resource
Title: AbstractResource.java
Description:
bboss workgroup
Copyright (c) 2007
| Modifier and Type | Field and Description |
|---|---|
protected long |
savesize |
| Constructor and Description |
|---|
AbstractResource() |
| Modifier and Type | Method and Description |
|---|---|
long |
contentLength()
This implementation checks the timestamp of the underlying File,
if available.
|
Resource |
createRelative(java.lang.String relativePath)
This implementation throws a FileNotFoundException, assuming
that relative resources cannot be created for this resource.
|
boolean |
equals(java.lang.Object obj)
This implementation compares description strings.
|
boolean |
exists()
This implementation checks whether a File can be opened,
falling back to whether an InputStream can be opened.
|
java.io.File |
getFile()
This implementation throws a FileNotFoundException, assuming
that the resource cannot be resolved to an absolute file path.
|
protected java.io.File |
getFileForLastModifiedCheck()
Determine the File to use for timestamp checking.
|
java.lang.String |
getFilename()
This implementation always throws IllegalStateException,
assuming that the resource does not carry a filename.
|
long |
getSavesize() |
java.net.URI |
getURI()
This implementation builds a URI based on the URL returned
by
getURL(). |
java.net.URL |
getURL()
This implementation throws a FileNotFoundException, assuming
that the resource cannot be resolved to a URL.
|
int |
hashCode()
This implementation returns the description's hash code.
|
boolean |
isOpen()
This implementation always returns
false. |
boolean |
isReadable()
This implementation always returns
true. |
long |
lastModified()
This implementation checks the timestamp of the underlying File,
if available.
|
void |
release() |
void |
savetofile(java.io.File destinctionFile) |
void |
savetofile(java.io.File destinctionFile,
ResourceHandleListener<AbstractResource> listener) |
java.lang.String |
toString()
This implementation returns the description of this resource.
|
clone, finalize, getClass, notify, notifyAll, wait, wait, waitgetDescriptiongetInputStreampublic boolean exists()
public boolean isReadable()
true.isReadable in interface Resourcepublic boolean isOpen()
false.public java.net.URL getURL()
throws java.io.IOException
public java.net.URI getURI()
throws java.io.IOException
getURL().public java.io.File getFile()
throws java.io.IOException
public long lastModified()
throws java.io.IOException
lastModified in interface Resourcejava.io.IOException - if the resource cannot be resolved
(in the file system or as some other known physical resource type)getFileForLastModifiedCheck()public long contentLength()
throws java.io.IOException
contentLength in interface Resourcejava.io.IOException - if the resource cannot be resolved
(in the file system or as some other known physical resource type)getFile()protected java.io.File getFileForLastModifiedCheck()
throws java.io.IOException
The default implementation delegates to getFile().
null)java.io.IOException - if the resource cannot be resolved as absolute
file path, i.e. if the resource is not available in a file systempublic Resource createRelative(java.lang.String relativePath) throws java.io.IOException
createRelative in interface ResourcerelativePath - the relative path (relative to this resource)java.io.IOException - if the relative resource cannot be determinedpublic java.lang.String getFilename()
throws java.lang.IllegalStateException
getFilename in interface Resourcejava.lang.IllegalStateExceptionpublic java.lang.String toString()
toString in class java.lang.ObjectResource.getDescription()public boolean equals(java.lang.Object obj)
equals in class java.lang.ObjectResource.getDescription()public int hashCode()
hashCode in class java.lang.ObjectResource.getDescription()public void savetofile(java.io.File destinctionFile,
ResourceHandleListener<AbstractResource> listener)
throws java.io.IOException
java.io.IOExceptionpublic void savetofile(java.io.File destinctionFile)
throws java.io.IOException
java.io.IOExceptionpublic long getSavesize()