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org.greenstone.gatherer.msm
Class GDMParser  

java.lang.Object
  java.util.AbstractMap
      java.util.HashMap
          java.util.LinkedHashMap
              org.greenstone.gatherer.msm.GDMParser

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable

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public class GDMParser

extends java.util.LinkedHashMap

Parses metadata.xml documents of the GreenstoneDirectoryMetadata variety, caching where possible.

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Nested Class Summary

 

Nested classes inherited from class java.util.LinkedHashMap

 

Nested classes inherited from class java.util.HashMap

 

Nested classes inherited from class java.util.AbstractMap

 

Nested classes inherited from class java.util.Map

java.util.Map.Entry

 

Field Summary
private  java.util.ArrayList	ignore           A list of file names that we know do not actually belong to valid GDM xml files, so there not much point in ever trying to read them again.
private  int	max_size           The default maximum cache size if max size not explicitly set.
private  org.apache.xerces.parsers.DOMParser	parser           The actual xerces parser used to read in xml documents.

 

Fields inherited from class java.util.LinkedHashMap

 

Fields inherited from class java.util.HashMap

 

Fields inherited from class java.util.AbstractMap

 

Constructor Summary

GDMParser()           Default constructor.

GDMParser(int max_size)           Constructor with maximum size set.

 

Method Summary
void	destroy()           Destructor, clears cache and remove persistant global references.
org.w3c.dom.Document	parse(java.io.File file)           Fetches the document for the given xml file.
protected  boolean	removeEldestEntry(java.util.Map.Entry eldest)           Automatically called by the LinkedHashMap object whenever an object is added, to determine whether it should remove the oldest entry.

 

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, get

 

Methods inherited from class java.util.HashMap

clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values

 

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

 

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface java.util.Map

equals, hashCode

 

Field Detail

ignore

private java.util.ArrayList ignore

A list of file names that we know do not actually belong to valid GDM xml files, so there not much point in ever trying to read them again.

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parser

private org.apache.xerces.parsers.DOMParser parser

The actual xerces parser used to read in xml documents.

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max_size

private int max_size

The default maximum cache size if max size not explicitly set.

Constructor Detail

GDMParser

public GDMParser()

Default constructor.

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GDMParser

public GDMParser(int max_size)

Constructor with maximum size set.

Method Detail

destroy

public void destroy()

Destructor, clears cache and remove persistant global references.

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parse

public org.w3c.dom.Document parse(java.io.File file)

Fetches the document for the given xml file. This may mean (re)parsing it or simply fetching it from cache.

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removeEldestEntry

protected boolean removeEldestEntry(java.util.Map.Entry eldest)

Automatically called by the LinkedHashMap object whenever an object is added, to determine whether it should remove the oldest entry.

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Home >> All >> org >> greenstone >> gatherer >> [ msm overview ]	PREV CLASS  NEXT CLASS
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