org.pentaho.reporting.libraries.resourceloader.loader
Class AbstractResourceData

java.lang.Object
  org.pentaho.reporting.libraries.resourceloader.loader.AbstractResourceData

All Implemented Interfaces:

java.io.Serializable, ResourceData

Direct Known Subclasses:

ClassloaderResourceData, FileResourceData, URLResourceData, ZipResourceData

public abstract class AbstractResourceData
extends java.lang.Object
implements ResourceData, java.io.Serializable

Creation-Date: 05.04.2006, 15:24:47

Author:

Thomas Morgner

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.pentaho.reporting.libraries.resourceloader.ResourceData

CONTENT_LENGTH, CONTENT_TYPE, FILENAME

Constructor Summary

protected

AbstractResourceData()

Method Summary

long	getLength()
byte[]	getResource(ResourceManager caller) This is dangerous, especially if the resource is large.
int	getResource(ResourceManager caller, byte[] target, long offset, int length) Tries to read data into the given byte-array.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.reporting.libraries.resourceloader.ResourceData

getAttribute, getKey, getResourceAsStream, getVersion

Constructor Detail

AbstractResourceData

protected AbstractResourceData()

Method Detail

getResource

public byte[] getResource(ResourceManager caller)
                   throws ResourceLoadingException

Description copied from interface: ResourceData

This is dangerous, especially if the resource is large.

Specified by:

getResource in interface ResourceData

Returns:

Throws:

ResourceLoadingException

getLength

public long getLength()

Specified by:

getLength in interface ResourceData

getResource

public int getResource(ResourceManager caller,
                       byte[] target,
                       long offset,
                       int length)
                throws ResourceLoadingException

Description copied from interface: ResourceData

Tries to read data into the given byte-array.

Specified by:

getResource in interface ResourceData

Returns:

the number of bytes read or -1 if no more data can be read.

Throws:

ResourceLoadingException