com.epimorphics.server.templates

Class Lib

java.lang.Object

com.epimorphics.server.templates.Lib

public class Lib
extends Object

Collection of utility functions to be made available within the scripting environment (e.g. velocity)

Version:

$Revision: $

Author:

Dave Reynolds

Field Summary

Fields

Modifier and Type	Field and Description
protected static com.hp.hpl.jena.rdf.model.impl.ModelCom	dummy
static Lib	theLib Singleton instance

Constructor Summary

Constructors

Constructor and Description
Lib()

Method Summary

Methods

Modifier and Type	Method and Description
void	addPlugin(String pluginname, LibPlugin plugin)
static com.hp.hpl.jena.rdf.model.RDFNode	deserialize(String ser) Decode a serlialized RDFNode, not associated with any useful model
String	escapeHtml(String html) HTML escape text
String	escapeHtml(String html, int limit) HTML escape text and limit to N characters
LibPlugin	get(String plugin)
boolean	isDatetime(Object node) Test if a node is a date-time literal
String	pageURL(javax.servlet.http.HttpServletRequest request, int page) Paging helper.
String	pathDecode(String enc) Decode query parameter or path segment that was %-encoded
String	pathEncode(String orig) Encode a string so it can be used in a query parameter or path segment safely.
String	printDatetime(Object node) Pretty print a datetime literal.
String[]	regex(Object data, String regex) Match a string to a regex and return a vector of the matching groups
String	replaceAll(Object data, String regex, String replacement) Transform a string with a regex replacement
int	safeInt(String lex, int def) Convert a string arg to an integer, returning the default value if the parse failes
static String	serialize(com.hp.hpl.jena.rdf.model.RDFNode node) Serialize a (URI or literal) RDFNode to a string which can be later parsed
List<String>	sortedKeys(Map<String,?> map) Return a sorted list of the keys in a map
com.epimorphics.rdfutil.ModelWrapper	wrap(com.hp.hpl.jena.rdf.model.Model model) Wrap a Jena model as a ModelWrapper for ease of scripting

Methods inherited from class java.lang.Object

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

Field Detail

theLib

public static Lib theLib

Singleton instance

dummy

protected static com.hp.hpl.jena.rdf.model.impl.ModelCom dummy

Constructor Detail

Lib

public Lib()

Method Detail

get

public LibPlugin get(String plugin)

addPlugin

public void addPlugin(String pluginname,
             LibPlugin plugin)

pathEncode

public String pathEncode(String orig)

Encode a string so it can be used in a query parameter or path segment safely. May be over conserv ative on encode. Uses %-encoding.

pathDecode

public String pathDecode(String enc)

Decode query parameter or path segment that was %-encoded

safeInt

public int safeInt(String lex,
          int def)

Convert a string arg to an integer, returning the default value if the parse failes

regex

public String[] regex(Object data,
             String regex)

Match a string to a regex and return a vector of the matching groups

escapeHtml

public String escapeHtml(String html)

HTML escape text

escapeHtml

public String escapeHtml(String html,
                int limit)

HTML escape text and limit to N characters

replaceAll

public String replaceAll(Object data,
                String regex,
                String replacement)

Transform a string with a regex replacement

sortedKeys

public List<String> sortedKeys(Map<String,?> map)

Return a sorted list of the keys in a map

serialize

public static String serialize(com.hp.hpl.jena.rdf.model.RDFNode node)

Serialize a (URI or literal) RDFNode to a string which can be later parsed

deserialize

public static com.hp.hpl.jena.rdf.model.RDFNode deserialize(String ser)

Decode a serlialized RDFNode, not associated with any useful model

pageURL

public String pageURL(javax.servlet.http.HttpServletRequest request,
             int page)

Paging helper. Generate request for a numbered page

isDatetime

public boolean isDatetime(Object node)

Test if a node is a date-time literal

printDatetime

public String printDatetime(Object node)

Pretty print a datetime literal. Returns null if it is not a date time

wrap

public com.epimorphics.rdfutil.ModelWrapper wrap(com.hp.hpl.jena.rdf.model.Model model)

Wrap a Jena model as a ModelWrapper for ease of scripting