SharedUtil (vaadin-shared 8.14.3 API)

java.lang.Object
- com.vaadin.shared.util.SharedUtil

All Implemented Interfaces:

Serializable
```
public class SharedUtil
extends Object
implements Serializable
```
Misc internal utility methods used by both the server and the client package.

Since:

7.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static String SIZE_PATTERN
RegEx pattern to extract the width/height values.

Fields
Modifier and Type	Field and Description
`static String`	`SIZE_PATTERN` RegEx pattern to extract the width/height values.

Constructor Summary

Constructors
Constructor and Description

SharedUtil()

Constructors
Constructor and Description
`SharedUtil()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`addGetParameters(String uri, String extraParams)` Adds the get parameters to the uri and returns the new uri that contains the parameters.
`static String`	`camelCaseToHumanFriendly(String camelCaseString)` Converts a camelCaseString to a human friendly format (Camel case string).
`static String`	`capitalize(String string)` Capitalizes the first character in the given string in a way suitable for use in code (methods, properties etc).
`static boolean`	`containsDuplicates(Object[] values)` Checks if the given array contains duplicates (according to `Object.equals(Object)`.
`static String`	`dashSeparatedToCamelCase(String dashSeparated)` Converts a dash ("-") separated string into camelCase.
`static boolean`	`equals(Object o1, Object o2)` Checks if a and b are equals using `Object.equals(Object)`.
`static String`	`getDuplicates(Object[] values)` Return duplicate values in the given array in the format "duplicateValue1, duplicateValue2".
`static String`	`join(String[] parts, String separator)` Joins the words in the input array together into a single string by inserting the separator string between each word.
`static String`	`propertyIdToHumanFriendly(Object propertyId)` Converts a property id to a human friendly format.
`static String[]`	`splitCamelCase(String camelCaseString)` Splits a camelCaseString into an array of words with the casing preserved.
`static String`	`trimTrailingSlashes(String value)` Trims trailing slashes (if any) from a string.
`static String`	`upperCaseUnderscoreToHumanFriendly(String upperCaseUnderscoreString)` Converts an UPPER_CASE_STRING to a human friendly format (Upper Case String).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SIZE_PATTERN
```
public static final String SIZE_PATTERN
```
    RegEx pattern to extract the width/height values.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - SharedUtil
```
public SharedUtil()
```
- Method Detail
  - equals
```
public static boolean equals(Object o1,
                             Object o2)
```
    Checks if a and b are equals using Object.equals(Object). Handles null values as well. Does not ensure that objects are of the same type. Assumes that the first object's equals method handle equals properly.
    
    Parameters:
    
    o1 - The first value to compare
    
    o2 - The second value to compare
    
    Returns:
    
    true if the objects are equal, false otherwise
  - trimTrailingSlashes
```
public static String trimTrailingSlashes(String value)
```
    Trims trailing slashes (if any) from a string.
    
    Parameters:
    
    value - The string value to be trimmed. Cannot be null.
    
    Returns:
    
    String value without trailing slashes.
  - splitCamelCase
```
public static String[] splitCamelCase(String camelCaseString)
```
    Splits a camelCaseString into an array of words with the casing preserved.
    
    Parameters:
    
    camelCaseString - The input string in camelCase format
    
    Returns:
    
    An array with one entry per word in the input string
    
    Since:
    
    7.4
  - camelCaseToHumanFriendly
```
public static String camelCaseToHumanFriendly(String camelCaseString)
```
    Converts a camelCaseString to a human friendly format (Camel case string).
    In general splits words when the casing changes but also handles special cases such as consecutive upper case characters. Examples:
    MyBeanContainer becomes My Bean Container AwesomeURLFactory becomes Awesome URL Factory SomeUriAction becomes Some Uri Action
    
    Parameters:
    
    camelCaseString - The input string in camelCase format
    
    Returns:
    
    A human friendly version of the input
    
    Since:
    
    7.4
  - upperCaseUnderscoreToHumanFriendly
```
public static String upperCaseUnderscoreToHumanFriendly(String upperCaseUnderscoreString)
```
    Converts an UPPER_CASE_STRING to a human friendly format (Upper Case String).
    Splits words on _. Examples:
    MY_BEAN_CONTAINER becomes My Bean Container AWESOME_URL_FACTORY becomes Awesome Url Factory SOMETHING becomes Something
    
    Parameters:
    
    upperCaseUnderscoreString - The input string in UPPER_CASE_UNDERSCORE format
    
    Returns:
    
    A human friendly version of the input
    
    Since:
    
    7.7.4
  - join
```
public static String join(String[] parts,
                          String separator)
```
    Joins the words in the input array together into a single string by inserting the separator string between each word.
    
    Parameters:
    
    parts - The array of words
    
    separator - The separator string to use between words
    
    Returns:
    
    The constructed string of words and separators
    
    Since:
    
    7.4
  - capitalize
```
public static String capitalize(String string)
```
    Capitalizes the first character in the given string in a way suitable for use in code (methods, properties etc).
    
    Parameters:
    
    string - The string to capitalize
    
    Returns:
    
    The capitalized string
    
    Since:
    
    7.4
  - propertyIdToHumanFriendly
```
public static String propertyIdToHumanFriendly(Object propertyId)
```
    Converts a property id to a human friendly format. Handles nested properties by only considering the last part, e.g. "address.streetName" is equal to "streetName" for this method.
    
    Parameters:
    
    propertyId - The propertyId to format
    
    Returns:
    
    A human friendly version of the property id
    
    Since:
    
    7.4
  - addGetParameters
```
public static String addGetParameters(String uri,
                                      String extraParams)
```
    Adds the get parameters to the uri and returns the new uri that contains the parameters.
    
    Parameters:
    
    uri - The uri to which the parameters should be added.
    
    extraParams - One or more parameters in the format "a=b" or "c=d&e=f". An empty string is allowed but will not modify the url.
    
    Returns:
    
    The modified URI with the get parameters in extraParams added.
  - dashSeparatedToCamelCase
```
public static String dashSeparatedToCamelCase(String dashSeparated)
```
    Converts a dash ("-") separated string into camelCase.
    Examples:
    foo becomes foo foo-bar becomes fooBar foo--bar becomes fooBar
    
    Parameters:
    
    dashSeparated - The dash separated string to convert
    
    Returns:
    
    a camelCase version of the input string
    
    Since:
    
    7.5
  - containsDuplicates
```
public static boolean containsDuplicates(Object[] values)
```
    Checks if the given array contains duplicates (according to Object.equals(Object).
    
    Parameters:
    
    values - the array to check for duplicates
    
    Returns:
    
    true if the array contains duplicates, false otherwise
  - getDuplicates
```
public static String getDuplicates(Object[] values)
```
    Return duplicate values in the given array in the format "duplicateValue1, duplicateValue2".
    
    Parameters:
    
    values - the values to check for duplicates
    
    Returns:
    
    a comma separated string of duplicates or an empty string if no duplicates were found

Class SharedUtil

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

SIZE_PATTERN

Constructor Detail

SharedUtil

Method Detail

equals

trimTrailingSlashes

splitCamelCase

camelCaseToHumanFriendly

upperCaseUnderscoreToHumanFriendly

join

capitalize

propertyIdToHumanFriendly

addGetParameters

dashSeparatedToCamelCase

containsDuplicates

getDuplicates