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org.merlotxml.merlot
Class IDManager  

java.lang.Object
  org.merlotxml.merlot.IDManager

All Implemented Interfaces:

org.merlotxml.util.xml.DTDConstants, MerlotNodeListener

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public class IDManager

extends java.lang.Object

implements org.merlotxml.util.xml.DTDConstants, MerlotNodeListener

Manages ID and IDRef attributes for one XML file. Generic implementation.

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Field Summary
protected  java.util.Hashtable	_attrLastId           contains the last index value used for each named node.
private  int	_idType
private  boolean	_isLogOnSet
protected  long	_lastTimeAssigned           Used to check that the same millisecond is not assigned twice.
private  java.lang.String	_logAttribute
private  boolean	_logOn
protected  MerlotDOMNode	_rootNode
static int	NODE_HIGHEST
static int	NODE_SMALLEST
static int	NODE_TIMESTAMP
static int	NONE
static int	TIMESTAMP
static int	USERID_TIMESTAMP

 

Fields inherited from interface org.merlotxml.util.xml.DTDConstants

ANY, CDATA, COMMENT, COMMENT_KEY, CONTENT_CONCAT, CONTENT_GROUP, CONTENT_LEAF, CONTENT_ONEMAX, CONTENT_OR, CONTENT_PLUS, CONTENT_SINGLE, CONTENT_STAR, EMPTY, GROUP, ID, IDREF, IDREFS, IMPLIED, NMTOKEN, NMTOKENS, PCDATA, PCDATA_KEY, PROCESSING_INSTRUCTION, PROCESSING_INSTRUCTION_KEY, REQUIRED, TOKEN_GROUP

 

Constructor Summary

IDManager(MerlotDOMNode rootNode)

 

Method Summary
java.util.HashMap	collectAttributesOfType(MerlotDOMElement start, int dtdConstant)
java.lang.String	getDefaultIdValue(MerlotDOMNode node, java.lang.String attrName)           Returns a default string ID attribute value for a node.
protected  java.lang.String	getDefaultIdValueForIndex(MerlotDOMNode node, java.lang.String attrName, int index)           Returns a default string ID attribute value for a node according to an integer index.
protected  java.util.Hashtable	getIDAttrs(MerlotDOMNode node, MerlotDOMNode targetNode, java.lang.String targetAttrName)           Returns all the ID attributes in the document which belongs to a node and its children.
java.util.Hashtable	getIDAttrs(MerlotDOMNode targetNode, java.lang.String targetAttrName)           Returns all the ID attributes in the document.
int	getIdTypeSetting()
protected  java.util.Vector	getIdValues(MerlotDOMNode targetNode, java.lang.String targetAttrName)           Returns all the ID attributes in the document.
java.lang.String	getLogAttribute()
boolean	getLogLastModifiedSetting()
boolean	isDuplicate(org.w3c.dom.Attr idAttr, java.util.Vector idValues)
void	logChange(MerlotDOMNode node)
void	nodeChanged(MerlotDOMNode parent, int[] indices, MerlotDOMNode[] children)
void	nodeDeleted(MerlotDOMNode node)
void	nodeInserted(MerlotDOMNode parent, int[] indices, MerlotDOMNode[] children)           notifies the listener that one or more nodes were inserted under the given parent.
void	nodeRemoved(MerlotDOMNode parent, int[] indices, MerlotDOMNode[] children)           notifies the listener that one or more nodes under the given parent were deleted.
java.util.HashMap	preventDuplicateId(MerlotDOMElement suspect, java.util.Vector idValues)
void	updateIdRefs(MerlotDOMElement root, java.util.HashMap changes)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

_rootNode

protected MerlotDOMNode _rootNode

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_attrLastId

protected java.util.Hashtable _attrLastId

contains the last index value used for each named node.

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_lastTimeAssigned

protected long _lastTimeAssigned

Used to check that the same millisecond is not assigned twice.

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NONE

public static final int NONE

See Also:

Constant Field Values

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NODE_SMALLEST

public static final int NODE_SMALLEST

See Also:

Constant Field Values

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NODE_HIGHEST

public static final int NODE_HIGHEST

See Also:

Constant Field Values

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TIMESTAMP

public static final int TIMESTAMP

See Also:

Constant Field Values

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NODE_TIMESTAMP

public static final int NODE_TIMESTAMP

See Also:

Constant Field Values

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USERID_TIMESTAMP

public static final int USERID_TIMESTAMP

See Also:

Constant Field Values

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_idType

private int _idType

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_isLogOnSet

private boolean _isLogOnSet

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_logOn

private boolean _logOn

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_logAttribute

private java.lang.String _logAttribute

Constructor Detail

IDManager

public IDManager(MerlotDOMNode rootNode)

Method Detail

getIDAttrs

public java.util.Hashtable getIDAttrs(MerlotDOMNode targetNode,
                                      java.lang.String targetAttrName)

Returns all the ID attributes in the document. They are returned in a hashtable with Attr instancies as keys and the parent node as values.

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getIDAttrs

protected java.util.Hashtable getIDAttrs(MerlotDOMNode node,
                                         MerlotDOMNode targetNode,
                                         java.lang.String targetAttrName)

Returns all the ID attributes in the document which belongs to a node and its children. Unsaved Ids are not taken into account. They are returned in a hashtable with Attr instancies as keys and the parent node as values.

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getIdValues

protected java.util.Vector getIdValues(MerlotDOMNode targetNode,
                                       java.lang.String targetAttrName)

Returns all the ID attributes in the document.

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getDefaultIdValue

public java.lang.String getDefaultIdValue(MerlotDOMNode node,
                                          java.lang.String attrName)

Returns a default string ID attribute value for a node. This methods checks if there is no interference with another ID in the document.

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getIdTypeSetting

public int getIdTypeSetting()

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getDefaultIdValueForIndex

protected java.lang.String getDefaultIdValueForIndex(MerlotDOMNode node,
                                                     java.lang.String attrName,
                                                     int index)

Returns a default string ID attribute value for a node according to an integer index.

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nodeInserted

public void nodeInserted(MerlotDOMNode parent,
                         int[] indices,
                         MerlotDOMNode[] children)

notifies the listener that one or more nodes were inserted under the given parent. IDManager is added as a listener in DOMTreeTableAdapter.

Specified by:

nodeInserted in interface MerlotNodeListener

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nodeRemoved

public void nodeRemoved(MerlotDOMNode parent,
                        int[] indices,
                        MerlotDOMNode[] children)

notifies the listener that one or more nodes under the given parent were deleted. Their previous indices are given.

Specified by:

nodeRemoved in interface MerlotNodeListener

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nodeDeleted

public void nodeDeleted(MerlotDOMNode node)

Specified by:

nodeDeleted in interface MerlotNodeListener

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nodeChanged

public void nodeChanged(MerlotDOMNode parent,
                        int[] indices,
                        MerlotDOMNode[] children)

Specified by:

nodeChanged in interface MerlotNodeListener

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preventDuplicateId

public java.util.HashMap preventDuplicateId(MerlotDOMElement suspect,
                                            java.util.Vector idValues)

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isDuplicate

public boolean isDuplicate(org.w3c.dom.Attr idAttr,
                           java.util.Vector idValues)

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updateIdRefs

public void updateIdRefs(MerlotDOMElement root,
                         java.util.HashMap changes)

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collectAttributesOfType

public java.util.HashMap collectAttributesOfType(MerlotDOMElement start,
                                                 int dtdConstant)

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getLogLastModifiedSetting

public boolean getLogLastModifiedSetting()

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getLogAttribute

public java.lang.String getLogAttribute()

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logChange

public void logChange(MerlotDOMNode node)

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