org.openhubframework.openhub.common

Class Tools

java.lang.Object

org.openhubframework.openhub.common.Tools

public final class Tools
extends Object

Class with common methods for use. For usage look into test ToolsTest class.

Method Summary

Modifier and Type	Method and Description
static String	fm(String message, Object... values) Substitutes all places of the message using a values.
static OffsetDateTime	fromUTC(long utcMillis) Converts UTC time in millis to local OffsetDateTime with default time zone.
static OffsetDateTime	fromUTC(OffsetDateTime utcTime) Converts UTC instant of OffsetDateTime to local instant of OffsetDateTime with default time zone.
static Set<String>	getAllKnownPropertyNames(org.springframework.core.env.ConfigurableEnvironment env) Gets all property names from environment.
static Properties	getPropertiesWithPrefix(org.springframework.core.env.ConfigurableEnvironment env, String propertyNamePrefix) Gets Properties from ConfigurableEnvironment with properties that name start with prefix from parameter.
static String	joinNonEmpty(String[] array, char separator) Joins the provided input Strings into one String, separated by the provided separator character.
static String	marshalToXml(Object obj, Class sourceClass) Marshals object graph into XML.
static <T> String	marshalToXml(T obj, QName qName) Marshals object graph into XML.
static String	toString(Object value) Returns the string representation of the Object argument.
static OffsetDateTime	toUTC(OffsetDateTime localDateTime) Converts local instant of OffsetDateTime to standard UTC instant of OffsetDateTime with UTC time zone.
static <T> T	unmarshalFromXml(String xml, Class<T> targetClass) Unmarshals XML into object graph.

Methods inherited from class java.lang.Object

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

Method Detail

toString

public static String toString(Object value)

Returns the string representation of the Object argument.

Parameters:

value - an Object.

Returns:

if the argument is null, then null; otherwise, the value of value.toString() is returned.

joinNonEmpty

public static String joinNonEmpty(String[] array,
                                  char separator)

Joins the provided input Strings into one String, separated by the provided separator character. Null and empty elements are skipped.

Parameters:

array - an array of String to join together into one String

separator - separator character to separate the array elements with

Returns:

the string merged from array, separated by the specified character

marshalToXml

public static String marshalToXml(Object obj,
                                  Class sourceClass)

Marshals object graph into XML.

Parameters:

obj - the object graph

sourceClass - the input class

Returns:

XML as string

See Also:

XmlConverter

marshalToXml

public static <T> String marshalToXml(T obj,
                                      QName qName)

Marshals object graph into XML.

Type Parameters:

T - as data type of object

Parameters:

obj - the object graph

qName - the QName

Returns:

XML as string

See Also:

Marshaller

unmarshalFromXml

public static <T> T unmarshalFromXml(String xml,
                                     Class<T> targetClass)

Unmarshals XML into object graph.

Type Parameters:

T - as data type of target object

Parameters:

xml - the input string

targetClass - the target class

Returns:

object graph

See Also:

XmlConverter

toUTC

public static OffsetDateTime toUTC(OffsetDateTime localDateTime)

Converts local instant of OffsetDateTime to standard UTC instant of OffsetDateTime with UTC time zone.

Parameters:

localDateTime - the local time

Returns:

the UTC time

fromUTC

public static OffsetDateTime fromUTC(OffsetDateTime utcTime)

Converts UTC instant of OffsetDateTime to local instant of OffsetDateTime with default time zone.

Parameters:

utcTime - the UTC time

Returns:

the local time

fromUTC

public static OffsetDateTime fromUTC(long utcMillis)

Converts UTC time in millis to local OffsetDateTime with default time zone.

Parameters:

utcMillis - the UTC time in millis

Returns:

the local time

getAllKnownPropertyNames

public static Set<String> getAllKnownPropertyNames(org.springframework.core.env.ConfigurableEnvironment env)

Gets all property names from environment.

Parameters:

env - The environment

Returns:

set of property names

getPropertiesWithPrefix

public static Properties getPropertiesWithPrefix(org.springframework.core.env.ConfigurableEnvironment env,
                                                 String propertyNamePrefix)

Gets Properties from ConfigurableEnvironment with properties that name start with prefix from parameter.

Parameters:

env - environment

propertyNamePrefix - prefix for property names

Returns:

Properties with properties that name start with propertyNamePrefix

fm

public static String fm(String message,
                        Object... values)

Substitutes all places of the message using a values. See MessageFormatter for more detail.

Parameters:

message - the message with places defined as {}

values - an array of values that are used to substitute formatting places of the message

Returns:

the final string