Java Doc for NestedKvpParser.java in  » GIS » GeoServer » org » geoserver » ows » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoServer » org.geoserver.ows 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geoserver.ows.KvpParser
      org.geoserver.ows.NestedKvpParser

All known Subclasses:   org.geoserver.wfs.kvp.SortByKvpParser,
NestedKvpParser
public class NestedKvpParser extends KvpParser (Code)
A kvp parser which parses a value consisting of tokens in a nested list.

A value in nested form is a number of lists of tokens, seperated by an outer delimeter. The tokens in each list are serarated by an inner delimiter The default outer delimiter is are parentheses ( '()' ) , the default inner delimter is a comma ( ',' ). Example:

 
 key=(token11,token12,...,token1N)(token21,token22,...,token2N)(...)(tokenM1,tokenM2,...,tokenMN)
 where N = number of tokens in each set, and M = number of sets.
 
 

Upon processing of each token, the token is parsed into an instance of NestedKvpParser.getBinding() . Subclasses should override the method NestedKvpParser.parseToken(String) .

By default, the NestedKvpParser.parse(String) method returns a list of lists. Each of which contains instances of NestedKvpParser.getBinding() . The NestedKvpParser.parseTokenSet(List) method may be overidden to return a differnt type of object.


author:
   Justin Deoliveira, The Open Planning Project, jdeolive@openplans.org
author:
   TODO: add a method to convert return value as to not force returning a list



Constructor Summary
public  NestedKvpParser(String key, Class binding)
     Constructs the nested kvp parser specifying the key and class binding.

Method Summary
public  Objectparse(String value)
     Tokenizes the value and delegates to NestedKvpParser.parseToken(String) to parse each token.
protected  Objectparse(List values)
     Parses the set of token sets into a final representation.

Subclasses may choose to override this method.

protected  ObjectparseToken(String token)
     Parses the token into an instance of NestedKvpParser.getBinding() .

Subclasses should override this method, the default implementation just returns token passed in.


Parameters:
  token - Part of the value being parsed.
protected  ObjectparseTokenSet(List tokenSet)
     Parses the set of tokens into a final represetnation.

Subclasses may choose to override this method.



Constructor Detail
NestedKvpParser
public NestedKvpParser(String key, Class binding)(Code)
Constructs the nested kvp parser specifying the key and class binding.
Parameters:
  key - The key to bind to.
Parameters:
  binding - The class of each token in the value.




Method Detail
parse
public Object parse(String value) throws Exception(Code)
Tokenizes the value and delegates to NestedKvpParser.parseToken(String) to parse each token.



parse
protected Object parse(List values) throws Exception(Code)
Parses the set of token sets into a final representation.

Subclasses may choose to override this method. The default implementation just return the list passed in.


Parameters:
  values - The parsed token sets, each value is an instance of theclass returned from NestedKvpParser.parseTokenSet(List). The final object.



parseToken
protected Object parseToken(String token) throws Exception(Code)
Parses the token into an instance of NestedKvpParser.getBinding() .

Subclasses should override this method, the default implementation just returns token passed in.


Parameters:
  token - Part of the value being parsed. The token parsed into an object.



parseTokenSet
protected Object parseTokenSet(List tokenSet) throws Exception(Code)
Parses the set of tokens into a final represetnation.

Subclasses may choose to override this method. The default implementation just return the list passed in.


Parameters:
  values - The parsed tokens, each value is an instance of NestedKvpParser.getBinding(). The final object.



Fields inherited from org.geoserver.ows.KvpParser
protected static Logger LOGGER(Code)(Java Doc)
Class binding(Code)(Java Doc)
String key(Code)(Java Doc)

Methods inherited from org.geoserver.ows.KvpParser
protected Class getBinding()(Code)(Java Doc)
public String getKey()(Code)(Java Doc)
abstract public Object parse(String value) throws Exception(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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