de.nava.informa.utils
Class AtomParserUtils

java.lang.Object
  de.nava.informa.utils.AtomParserUtils

public class AtomParserUtils
extends Object

Common utility functions for Atom 0.3 and Atom 1.0 parser

Field Summary

static org.apache.commons.logging.Log

LOGGER

Constructor Summary

AtomParserUtils()

Method Summary

static String	getItemLink(org.jdom.Element item, org.jdom.Namespace defNS) Looks for link sub-elements of type "link" and selects the most preferred.
static int	getPreferenceOrderForItemLinkType(String type, String rel) Returns order of item link type preference.
static String	getValue(org.jdom.Element elt, String mode) Returns value of the element.
static List	trimContents(List contents) Cuts all empty (whitespace) text blocks from the head and tail of contents list.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

public static final org.apache.commons.logging.Log LOGGER

Constructor Detail

AtomParserUtils

public AtomParserUtils()

Method Detail

getItemLink

public static String getItemLink(org.jdom.Element item,
                                 org.jdom.Namespace defNS)

Looks for link sub-elements of type "link" and selects the most preferred.

Parameters:

item - item element.

defNS - default namespace.

Returns:

link in string or null.

getPreferenceOrderForItemLinkType

public static int getPreferenceOrderForItemLinkType(String type,
                                                    String rel)

Returns order of item link type preference.

Parameters:

type - type ("text/html", "text/plain", "application/xml" ...).

Returns:

order (the lower the more preferred).

getValue

public static String getValue(org.jdom.Element elt,
                              String mode)

Returns value of the element.

Parameters:

elt - the element to retrieve the value from.

mode - can be one of "escaped", "base64" or "xml". If null, "xml" is assumed.

trimContents

public static List trimContents(List contents)

Cuts all empty (whitespace) text blocks from the head and tail of contents list.

Parameters:

contents - list of contents.

Returns:

trimmed version.