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org.apache.lenya.cms.publication.xsp
Class DocumentReferencesHelper

java.lang.Object
  org.apache.lenya.cms.publication.xsp.DocumentReferencesHelper

public class DocumentReferencesHelper
extends java.lang.Object

Helper class for finding references to the current document.

Constructor Summary

DocumentReferencesHelper(java.util.Map objectModel)
Create a new DocumentReferencesHelper

Method Summary

protected java.lang.String[]	getInternalLinks(java.io.File file) Finds all internal links in the given file.
Document[]	getInternalReferences() Find all internal references in the current document to documents which have not been published yet.
Document[]	getReferences(java.lang.String area) Find a list of document-ids which have references to the current document.

Methods inherited from class java.lang.Object

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

Constructor Detail

DocumentReferencesHelper

public DocumentReferencesHelper(java.util.Map objectModel)
                         throws org.apache.cocoon.ProcessingException

Create a new DocumentReferencesHelper

Parameters:

objectModel - the objectModel

Throws:

org.apache.cocoon.ProcessingException - if the page envelope could not be created.

Method Detail

getInternalLinks

protected java.lang.String[] getInternalLinks(java.io.File file)
                                       throws javax.xml.parsers.ParserConfigurationException,
                                              javax.xml.transform.TransformerException,
                                              org.xml.sax.SAXException,
                                              java.io.IOException

Finds all internal links in the given file. An internal link has the format /context-path/publication-id/foo

Parameters:

file -

Returns:

the webapp url of the link without the context prefix

Throws:

javax.xml.parsers.ParserConfigurationException

javax.xml.transform.TransformerException

org.xml.sax.SAXException

java.io.IOException

getReferences

public Document[] getReferences(java.lang.String area)
                         throws org.apache.cocoon.ProcessingException

Find a list of document-ids which have references to the current document.

Returns:

an array of documents if there are references, an empty array otherwise

Throws:

org.apache.cocoon.ProcessingException - if the search for references failed.

getInternalReferences

public Document[] getInternalReferences()
                                 throws org.apache.cocoon.ProcessingException

Find all internal references in the current document to documents which have not been published yet.

Returns:

an array of Document of references from the current document to documents which have not been published yet.

Throws:

org.apache.cocoon.ProcessingException - if the current document cannot be opened.