org.xmlBlaster.contrib
Class VersionTransformerCache

java.lang.Object
  org.xmlBlaster.contrib.VersionTransformerCache

public class VersionTransformerCache
extends java.lang.Object

Holds Transformers cached.

Author:

Michele Laghi

Constructor Summary

VersionTransformerCache()

Method Summary

static java.lang.String	buildFilename(java.lang.String replicationPrefix, java.lang.String version)
void	clearCache()
java.io.InputStream	doXSLTransformation(java.lang.String filename, java.io.InputStream in, java.lang.ClassLoader cl)
static java.lang.String	getStrippedString(java.lang.String text) Taken from the Global.
static java.lang.String	stripReplicationPrefix(java.lang.String replicationPrefix) Returns the prefix of the complete name.
static java.lang.String	stripReplicationVersion(java.lang.String replicationPrefix) Can return null if no version token (_Ver_) was found.
byte[]	transform(java.lang.String replPrefix, java.lang.String srcVersion, java.lang.String destVersion, java.lang.String destination, byte[] srcData, java.lang.ClassLoader cl) Performs an xslt transformation according to the parameters passed and the stylesheet associated to the combination of such parameters.
void	verifyTransformerName(java.lang.String xslFile)

Methods inherited from class java.lang.Object

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

Constructor Detail

VersionTransformerCache

public VersionTransformerCache()

Method Detail

verifyTransformerName

public void verifyTransformerName(java.lang.String xslFile)

doXSLTransformation

public java.io.InputStream doXSLTransformation(java.lang.String filename,
                                               java.io.InputStream in,
                                               java.lang.ClassLoader cl)
                                        throws java.lang.Exception

Throws:

java.lang.Exception

clearCache

public void clearCache()

getStrippedString

public static final java.lang.String getStrippedString(java.lang.String text)

Taken from the Global.

Parameters:

text -

Returns:

transform

public byte[] transform(java.lang.String replPrefix,
                        java.lang.String srcVersion,
                        java.lang.String destVersion,
                        java.lang.String destination,
                        byte[] srcData,
                        java.lang.ClassLoader cl)
                 throws java.lang.Exception

Performs an xslt transformation according to the parameters passed and the stylesheet associated to the combination of such parameters.

Parameters:

replPrefix - The replication prefix used.

srcVersion - The version is actual on the source

destVersion - The version which is wanted on the destination.

destination - The Session name of the destination (can also be a subject name)

srcData - The source string to be transformed.

cl - can be null. Used to find the xsl resources (this is an additional class loader to use)

Returns:

Throws:

java.lang.Exception

stripReplicationPrefix

public static java.lang.String stripReplicationPrefix(java.lang.String replicationPrefix)

Returns the prefix of the complete name. It only returns null if the input string was null.

Parameters:

replicationPrefix -

Returns:

stripReplicationVersion

public static java.lang.String stripReplicationVersion(java.lang.String replicationPrefix)

Can return null if no version token (_Ver_) was found.

Parameters:

replicationPrefix -

Returns:

buildFilename

public static java.lang.String buildFilename(java.lang.String replicationPrefix,
                                             java.lang.String version)