org.mycore.frontend.redundancy.cli
Class MCRRedundancyCleanUpCommand

java.lang.Object
  org.mycore.frontend.redundancy.cli.MCRRedundancyCleanUpCommand

public class MCRRedundancyCleanUpCommand
extends Object

Processes a redundancy xml-file to relink and delete duplicate mcr objects in the database.
Commandprocess:
(cleanUp [(process redundancy object[(replace links)* -> (delete mcrobject) -> (delete redundancy object xml entry)])*] -> [update xml document])

Author:

Matthias Eichner

Nested Class Summary

protected static class

MCRRedundancyCleanUpCommand.AttributeValueFilter A jdom-filter which compares attribute values.

Constructor Summary

MCRRedundancyCleanUpCommand()

Method Summary

static List<String>	cleanUp(String type) The start method.
static void	deleteRedundancyElementEntry(String id) Deletes an processed redundancy element entry in the xml document.
protected static Element	getRedunElementOfId(String id) Returns an redundancy object by the specified id.
protected static boolean	isElementAlreadyExists(Element element) Checks if the element is equal to an element from the same parent.
static List<String>	processRedundancyObject(String id) Creates the commands of an redundancy Object.
static void	replaceLinks(String sourceId, String oldLink, String newLink) Replaces all links which are found in the source mcrobject xml-tree.
static void	updateXMLDocument(String fileName) Updates the specified file with the static document xml-structure.

Methods inherited from class java.lang.Object

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

Constructor Detail

MCRRedundancyCleanUpCommand

public MCRRedundancyCleanUpCommand()

Method Detail

cleanUp

public static List<String> cleanUp(String type)
                            throws Exception

The start method.

Parameters:

type - The type.

Returns:

A commandlist of redundancy objects which have to processed.

Throws:

Exception

processRedundancyObject

public static List<String> processRedundancyObject(String id)
                                            throws Exception

Creates the commands of an redundancy Object.

Parameters:

id - The id of the redundancyObjects element.

Returns:

A list of commands.

Throws:

Exception

deleteRedundancyElementEntry

public static void deleteRedundancyElementEntry(String id)

Deletes an processed redundancy element entry in the xml document.

Parameters:

id - The id of the element.

getRedunElementOfId

protected static Element getRedunElementOfId(String id)

Returns an redundancy object by the specified id.

Parameters:

id - The id.

Returns:

The element or null.

replaceLinks

public static void replaceLinks(String sourceId,
                                String oldLink,
                                String newLink)
                         throws Exception

Replaces all links which are found in the source mcrobject xml-tree.

Parameters:

source - The source Id as String.

oldLink - The link which to replaced.

newLink - The new link.

Throws:

Exception

isElementAlreadyExists

protected static boolean isElementAlreadyExists(Element element)

Checks if the element is equal to an element from the same parent.

Parameters:

element - The element to check.

Returns:

If the element in the parent already exists.

updateXMLDocument

public static void updateXMLDocument(String fileName)
                              throws Exception

Updates the specified file with the static document xml-structure.

Parameters:

fileName -

Throws:

Exception