com.groupdocs.annotation.utils
Class Utils

java.lang.Object
  com.groupdocs.annotation.utils.Utils

public class Utils
extends Object

Utils methods

Author:

Alex Bobkov

Constructor Summary

Utils()

Method Summary

static <T extends com.groupdocs.annotation.db.tables.GroupDocsAnnotationTable> T	assetEntity(T t) Asset entity for null
static <T extends com.groupdocs.annotation.db.tables.GroupDocsAnnotationTable> T	assetEntity(T t, String errorMessage) Asset entity for null
static void	closeStreams(Object... streams) For each parameters if it extends @{InputStream} or @{OutputStream} will call .close() method
static String	decodeData(String data) Decode base64 data
static String	dt2s(Date date) Date to String format for database
static String	encodeData(String data) Encode data to base64
static <T> T	fromJson(String jsonString, Class<T> clazz) Convert json to object
static String	getBody(javax.servlet.http.HttpServletRequest request) Get body from HTTP servlet request
static <T> T	getObjectData(String request, Class<T> clazz) Get object from request
static String	makeAppPath(javax.servlet.http.HttpServletRequest request) Make base application path using parameters from request object
static String	processTemplate(String templateName, Map<String,String> replaceValues) Process template (replace all ${some_word|default_value} to value in params map)
static Date	s2dt(String strDate) Parse String to Date format (default date format "yyyy-MM-dd HH:mm:ss" )
static Date	s2dt(String strDate, String dateFormat) Parse String to Date format
static String	toJson(Object obj) Convert object to json
static long	utcToLocal(long utcTime) Convert UTC time to local time using TimeZone.getDefault()

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

processTemplate

public static String processTemplate(String templateName,
                                     Map<String,String> replaceValues)
                              throws IOException

Process template (replace all ${some_word|default_value} to value in params map)

Parameters:

templateName - template name

replaceValues - map with params

Returns:

processed output

Throws:

IOException

getObjectData

public static <T> T getObjectData(String request,
                                  Class<T> clazz)
                       throws IOException

Get object from request

Type Parameters:

T - object type

Parameters:

request - request

clazz - class type

Returns:

object with parsed and filled data from request

Throws:

IOException

getBody

public static String getBody(javax.servlet.http.HttpServletRequest request)
                      throws IOException

Get body from HTTP servlet request

Parameters:

request - HTTP servlet request

Returns:

body request body string

Throws:

IOException

toJson

public static String toJson(Object obj)

Convert object to json

Parameters:

obj - object to convert

Returns:

converted object as json

fromJson

public static <T> T fromJson(String jsonString,
                             Class<T> clazz)

Convert json to object

Type Parameters:

T - object type

Parameters:

jsonString - json

clazz - object type class

Returns:

object created from json

assetEntity

public static <T extends com.groupdocs.annotation.db.tables.GroupDocsAnnotationTable> T assetEntity(T t)
                                                                                         throws NullPointerException

Asset entity for null

Type Parameters:

T - entity type

Parameters:

t - entity

Returns:

entity

Throws:

NullPointerException

assetEntity

public static <T extends com.groupdocs.annotation.db.tables.GroupDocsAnnotationTable> T assetEntity(T t,
                                                                                                    String errorMessage)
                                                                                         throws NullPointerException

Asset entity for null

Type Parameters:

T - entity type

Parameters:

t - entity

errorMessage - error message

Returns:

entity

Throws:

NullPointerException

dt2s

public static String dt2s(Date date)

Date to String format for database

Parameters:

date - input date

Returns:

date as String

s2dt

public static Date s2dt(String strDate)

Parse String to Date format (default date format "yyyy-MM-dd HH:mm:ss" )

Parameters:

strDate - date as String

Returns:

parsed date or null

s2dt

public static Date s2dt(String strDate,
                        String dateFormat)

Parse String to Date format

Parameters:

strDate - date as String

dateFormat - date format to parse (sample "yyyy-MM-dd HH:mm:ss" )

Returns:

parsed date or null

decodeData

public static String decodeData(String data)

Decode base64 data

Parameters:

data - data to be decoded

Returns:

decoded data

encodeData

public static String encodeData(String data)

Encode data to base64

Parameters:

data - data to be encoded

Returns:

encoded data

closeStreams

public static void closeStreams(Object... streams)

For each parameters if it extends @{InputStream} or @{OutputStream} will call .close() method

Parameters:

streams - streams to close

utcToLocal

public static long utcToLocal(long utcTime)

Convert UTC time to local time using TimeZone.getDefault()

Parameters:

utcTime - UTC time

Returns:

local time

makeAppPath

public static String makeAppPath(javax.servlet.http.HttpServletRequest request)

Make base application path using parameters from request object

Parameters:

request - http servlet request

Returns:

base application path with context (like http://annotation.local:8080/context-path/ )