org.conqat.engine.commons

Class CommonUtils

java.lang.Object

org.conqat.engine.commons.CommonUtils

public class CommonUtils
extends java.lang.Object

Collection of utility methods.

Author:

deissenb

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_DATE_FORMAT_PATTERN Default date format.

Constructor Summary

Constructors

Constructor and Description
CommonUtils()

Method Summary

Modifier and Type	Method and Description
static java.util.regex.Pattern	compilePattern(java.lang.String regex) Wraps Pattern.compile(String) to produce ConQATExceptions instead of PatternSyntaxExceptions.
static java.util.regex.Pattern	compilePattern(java.lang.String regex, int flags) Wraps Pattern.compile(String, int) to produce ConQATExceptions instead of PatternSyntaxExceptions.
static java.util.regex.Pattern	compilePattern(java.lang.String regex, java.lang.String message) Wraps Pattern.compile(String) to produce ConQATExceptions instead of PatternSyntaxExceptions.
static java.lang.Object	convertTo(java.lang.String valueString, java.lang.String typeName) Converts a String value to an object of the specified type and wraps the Exceptions into a ConQATException
static java.text.SimpleDateFormat	createDateFormat(java.lang.String pattern) Create SimpleDateFormat from pattern string.
static <T> T	defaultIfNull(T input, T defaultValue) Returns the input.
static <T> boolean	isOneOf(T obj, java.util.Collection<T> others) Check if obj is equal to one of the provided objects.
static <T> boolean	isOneOf(T obj, T... others) Check if obj is equal to one of the provided objects.
static java.nio.charset.Charset	obtainEncoding(java.lang.String encodingName) Get an encoding for the specified name.
static java.util.Date	parseDate(java.lang.String dateString, java.lang.String formatString) This method parses a date string using the specified format pattern.
static ConQATException	wrapPatternSyntaxException(java.util.regex.PatternSyntaxException e) Wraps a PatternSyntaxException into a ConQATException

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_DATE_FORMAT_PATTERN

public static final java.lang.String DEFAULT_DATE_FORMAT_PATTERN

Default date format.

See Also:

Constant Field Values

Constructor Detail

CommonUtils

public CommonUtils()

Method Detail

createDateFormat

public static java.text.SimpleDateFormat createDateFormat(java.lang.String pattern)
                                                   throws ConQATException

Create SimpleDateFormat from pattern string. In contrast to the constructor of SimpleDateFormat this raises a ConQATException for invalid patterns.

Throws:

ConQATException

parseDate

public static java.util.Date parseDate(java.lang.String dateString,
                                       java.lang.String formatString)
                                throws ConQATException

This method parses a date string using the specified format pattern. See SimpleDateFormat for pattern syntax.

Throws:

ConQATException - if an illegal format string was supplied or the date string does not match the given format.

compilePattern

public static java.util.regex.Pattern compilePattern(java.lang.String regex)
                                              throws ConQATException

Wraps Pattern.compile(String) to produce ConQATExceptions instead of PatternSyntaxExceptions.

Throws:

ConQATException

compilePattern

public static java.util.regex.Pattern compilePattern(java.lang.String regex,
                                                     java.lang.String message)
                                              throws ConQATException

Wraps Pattern.compile(String) to produce ConQATExceptions instead of PatternSyntaxExceptions.

Throws:

ConQATException

compilePattern

public static java.util.regex.Pattern compilePattern(java.lang.String regex,
                                                     int flags)
                                              throws ConQATException

Wraps Pattern.compile(String, int) to produce ConQATExceptions instead of PatternSyntaxExceptions.

Throws:

ConQATException

wrapPatternSyntaxException

public static ConQATException wrapPatternSyntaxException(java.util.regex.PatternSyntaxException e)

Wraps a PatternSyntaxException into a ConQATException

obtainEncoding

public static java.nio.charset.Charset obtainEncoding(java.lang.String encodingName)
                                               throws ConQATException

Get an encoding for the specified name. This throws a ConQATException if the encoding is not supported.

Throws:

ConQATException

convertTo

public static java.lang.Object convertTo(java.lang.String valueString,
                                         java.lang.String typeName)
                                  throws ConQATException

Converts a String value to an object of the specified type and wraps the Exceptions into a ConQATException

Throws:

ConQATException

defaultIfNull

public static <T> T defaultIfNull(T input,
                                  T defaultValue)

Returns the input. Returns the provided default value in case the input is null.

isOneOf

@SafeVarargs
public static <T> boolean isOneOf(T obj,
                                               T... others)

Check if obj is equal to one of the provided objects.

isOneOf

public static <T> boolean isOneOf(T obj,
                                  java.util.Collection<T> others)

Check if obj is equal to one of the provided objects.