gov.bnl.channelfinder.api

Class ChannelUtil

java.lang.Object

gov.bnl.channelfinder.api.ChannelUtil

public class ChannelUtil
extends Object

Author:

shroffk

Method Summary

Methods

Modifier and Type	Method and Description
static Collection<Channel>	filterbyElements(Collection<Channel> channels, Collection<String> propNames, Collection<String> tagNames) Given a Collection of channels returns a new collection of channels containing only those channels which have all the tags in the tagNames
static Collection<Channel>	filterbyProperties(Collection<Channel> channels, Collection<String> propNames) Given a Collection of channels returns a new collection of channels containing only those channels which have all the properties in the propNames
static Collection<Channel>	filterbyTags(Collection<Channel> channels, Collection<String> tagNames) Given a Collection of channels returns a new collection of channels containing only those channels which have all the tags in the tagNames AND all the properties in
static Collection<String>	getAllTagNames(Collection<Channel> channels) Return a union of tag names associated with channels
static Collection<String>	getChannelNames(Collection<Channel> channels) Returns all the channel Names in the given Collection of channels
static Property	getProperty(Channel channel, String propertyName) Deprecated.
static Collection<String>	getPropertyNames(Channel channel) Return a list of property names associated with this channel
static Collection<String>	getPropertyNames(Collection<Channel> channels) Return a union of property names associated with channels
static Collection<String>	getPropValues(Collection<Channel> channels, String propertyName)
static Tag	getTag(Channel channel, String tagName) Deprecated.
static Collection<String>	getTagNames(Channel channel) Return a list of tag names associated with this channel

Methods inherited from class java.lang.Object

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

Method Detail

getTagNames

public static Collection<String> getTagNames(Channel channel)

Return a list of tag names associated with this channel

Parameters:

channel -

Returns:

Collection of names of tags

getAllTagNames

public static Collection<String> getAllTagNames(Collection<Channel> channels)

Return a union of tag names associated with channels

Parameters:

channels -

Returns:

a set of all unique tag names associated with atleast one or more channel in channels

getPropertyNames

public static Collection<String> getPropertyNames(Channel channel)

Return a list of property names associated with this channel

Parameters:

channel -

Returns:

Collection of names of properties

getTag

@Deprecated
public static Tag getTag(Channel channel,
                    String tagName)

Deprecated.

Deprecated - use channel.getTag instead Return the Tag object with name tagName if it exists on the channel channel else return null

Parameters:

channel -

tagName -

Returns:

Tag

getProperty

@Deprecated
public static Property getProperty(Channel channel,
                              String propertyName)

Deprecated.

deprecated - use the channel.getProperty instead Return the property object with the name propertyName if it exists on the channel channel else return null

Parameters:

channel -

propertyName -

Returns:

Property

getPropertyNames

public static Collection<String> getPropertyNames(Collection<Channel> channels)

Return a union of property names associated with channels

Parameters:

channels -

Returns:

a set of all unique property names associated with atleast one or more channel in channels

getPropValues

public static Collection<String> getPropValues(Collection<Channel> channels,
                               String propertyName)

getChannelNames

public static Collection<String> getChannelNames(Collection<Channel> channels)

Returns all the channel Names in the given Collection of channels

Parameters:

channels -

Returns:

a set of all the unique names associated with the each channel in channels

filterbyProperties

public static Collection<Channel> filterbyProperties(Collection<Channel> channels,
                                     Collection<String> propNames)

Given a Collection of channels returns a new collection of channels containing only those channels which have all the properties in the propNames

Parameters:

channels - - the input list of channels

propNames - - the list of properties required on all channels

Returns:

Collection of Channels which contains all properties with propNames

filterbyTags

public static Collection<Channel> filterbyTags(Collection<Channel> channels,
                               Collection<String> tagNames)

Given a Collection of channels returns a new collection of channels containing only those channels which have all the tags in the tagNames AND all the properties in

Parameters:

channels - - the input list of channels

tagNames - - the list of tags required on all channels

Returns:

Collections of Channels which have all the tags within tagNames

filterbyElements

public static Collection<Channel> filterbyElements(Collection<Channel> channels,
                                   Collection<String> propNames,
                                   Collection<String> tagNames)

Given a Collection of channels returns a new collection of channels containing only those channels which have all the tags in the tagNames

Parameters:

channels - - the input list of channels

propNames - - the list of properties required on all channels

tagNames - - the list of tags required on all channels

Returns:

Collection of channels with all the properties and tags within propNames and tagNames