org.wings.template
Class CachedFileTemplateSource

java.lang.Object
  org.wings.template.FileTemplateSource
      org.wings.template.CachedFileTemplateSource

All Implemented Interfaces:

Serializable, TemplateSource

public class CachedFileTemplateSource
extends FileTemplateSource

A CachedFileDataSource implements a DataSource for a file, but caches small ones.

Author:

Henner Zeller

See Also:

Serialized Form

Field Summary

Fields inherited from class org.wings.template.FileTemplateSource

canonicalName

Constructor Summary

CachedFileTemplateSource(File f)

CachedFileTemplateSource(URL url)

Method Summary

InputStream	getInputStream() Gets an InputStream of the File.
long	lastModified() Returns the time the content of this File was last modified.

Methods inherited from class org.wings.template.FileTemplateSource

getCanonicalName

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedFileTemplateSource

public CachedFileTemplateSource(File f)
                         throws IOException

Throws:

IOException

CachedFileTemplateSource

public CachedFileTemplateSource(URL url)
                         throws IOException

Throws:

IOException

Method Detail

lastModified

public long lastModified()

Returns the time the content of this File was last modified.

The return value is used to decide whether to reparse a Source or not. Reparsing is done if the value returned here differs from the value returned at the last processing time.

Specified by:

lastModified in interface TemplateSource

Overrides:

lastModified in class FileTemplateSource

Returns:

long a modification time

getInputStream

public InputStream getInputStream()
                           throws IOException

Gets an InputStream of the File.

Specified by:

getInputStream in interface TemplateSource

Overrides:

getInputStream in class FileTemplateSource

Returns:

an InputStream the content of the template is read from.

Throws:

IOException