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oracle.stellent.wcm.common.utils
Class WCMCommonUtils

java.lang.Object
oracle.stellent.wcm.common.utils.WCMCommonUtils

public class WCMCommonUtils

extends java.lang.Object

Nested Class Summary

static interface

WCMCommonUtils.RegexAppendCallback Allows a user to append/modify a buffer during a call to evaluateRegexWithCallback(java.lang.String, java.lang.String, oracle.stellent.wcm.common.utils.WCMCommonUtils.RegexAppendCallback)

Field Summary

static java.lang.String	BLANK_STRING
static java.lang.String	SPACE_STRING

Constructor Summary

WCMCommonUtils()

Method Summary

static java.lang.String	evaluateRegexWithCallback(java.lang.String text, java.lang.String regEx, WCMCommonUtils.RegexAppendCallback callback) Analyze a string and invoke a callback when a match is found.
static java.lang.String	getCsvFromCollection(java.util.Collection collection) Constructs string from a collection
static java.util.List<java.lang.String>	getListFromCsv(java.lang.String value) Parses comma delimited string to List of String instances
static java.lang.String	getSegment(java.lang.String str, java.lang.String separator, int segment) Returns the segment, null if not found, first segment is segment 0
static boolean	isBlankOrNull(java.lang.Object value) Checks if a object is null, and if the object is a string then that it is not blank or null
static boolean	isBlankOrNull(java.lang.String string) Checks if the string is a blank or null.
static boolean	isJavaKeyword(java.lang.String string)
static boolean	isJSTLELKeyword(java.lang.String string)
static boolean	isValidElementName(java.lang.String string) Checks if the string is a valid name for elements, which must follow the JSTL Expression Language Spec.
static boolean	isValidVariableName(java.lang.String string)

Methods inherited from class java.lang.Object

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

Field Detail

BLANK_STRING

public static final java.lang.String BLANK_STRING

See Also:

Constant Field Values

SPACE_STRING

public static final java.lang.String SPACE_STRING

See Also:

Constant Field Values

Constructor Detail

WCMCommonUtils

public WCMCommonUtils()

Method Detail

isBlankOrNull

public static boolean isBlankOrNull(java.lang.String string)

Checks if the string is a blank or null. This interface signature is needed because the content server's components are loaded via reflection and without it you get this error: java.lang.NoSuchMethodError: oracle.stellent.wcm.common.utils.WCMCommonUtils.isBlankOrNull(Ljava/lang/String;)Z

Parameters:

string - string to be tested

Returns:

true if the string is null or blank

isBlankOrNull

public static boolean isBlankOrNull(java.lang.Object value)

Checks if a object is null, and if the object is a string then that it is not blank or null

Parameters:

value - object to check for null

Returns:

true, if null or blank

getCsvFromCollection

public static java.lang.String getCsvFromCollection(java.util.Collection collection)

Constructs string from a collection

Parameters:

collection - source collection of values

Returns:

Comma-separated string as a result of values concatenation

getListFromCsv

public static java.util.List<java.lang.String> getListFromCsv(java.lang.String value)

Parses comma delimited string to List of String instances

Parameters:

value - Comma delimited string to parse

Returns:

List of Strings extractecd from comma-separated line

isValidElementName

public static boolean isValidElementName(java.lang.String string)

Checks if the string is a valid name for elements, which must follow the JSTL Expression Language Spec. The name must be a valid java variable name and must not be one of the EL reserved words http://java.sun.com/docs/books/tutorial/java/nutsandbolts/variables.html http://java.sun.com/j2ee/1.4/docs/tutorial/doc/JSPIntro7.html

Parameters:

string -

Returns:

true if the string is a valid element name

isValidVariableName

public static boolean isValidVariableName(java.lang.String string)

isJSTLELKeyword

public static boolean isJSTLELKeyword(java.lang.String string)

isJavaKeyword

public static boolean isJavaKeyword(java.lang.String string)

getSegment

public static java.lang.String getSegment(java.lang.String str,
                                          java.lang.String separator,
                                          int segment)

Returns the segment, null if not found, first segment is segment 0

Parameters:

str - Source string

separator - Parsing separator

segment - String segment number

Returns:

Specified segment of the string extracted

evaluateRegexWithCallback

public static java.lang.String evaluateRegexWithCallback(java.lang.String text,
                                                         java.lang.String regEx,
                                                         WCMCommonUtils.RegexAppendCallback callback)

Analyze a string and invoke a callback when a match is found.

Parameters:

text - the text to analyze

regEx - the regular rexpression to match

callback - the callback to invoke when a match is found

Returns:

the modified string

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