CommonMethods (zusammen-commons-utils 1.0.2 API)

java.lang.Object
- com.amdocs.zusammen.utils.common.CommonMethods

public class CommonMethods
extends Object

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`arrayToCommaSeparatedString(String[] arr)` Converts array of strings to comma-separated string.
`static String`	`arrayToSeparatedString(String[] arr, char separator)` Converts array of strings to string separated with specified character.
`static String`	`bytesToHex(byte[] bytes)`
`static <B,D> D`	`cast(B b, Class<D> cls)` Casts an object to the class or interface represented by the specified `Class` object.
`static String`	`collectionToCommaSeparatedString(Collection<String> elementCollection)`
`static <T> T[]`	`concat(T[] left, T[] right)` Concatenates two Java arrays.
`static Serializable`	`deserializeObject(byte[] bytes)` Deserializes an object instance.
`static String`	`duplicateStringWithDelimiter(String arg, char separator, int numberOfDuplications)`
`static String`	`getResourcesPath(String resourceName)`
`static String`	`getStackTrace(Throwable t)`
`static boolean`	`isEmpty(byte[] byteArray)` Checks whether the given `Object` is empty.
`static boolean`	`isEmpty(Collection<?> collection)` Checks whether the given collection is empty.
`static boolean`	`isEmpty(Map<?,?> map)` Checks whether the given map is empty.
`static boolean`	`isEmpty(Object obj)` Checks whether the given `Object` is empty.
`static boolean`	`isEmpty(Object[] array)` Checks whether the given Java array is empty.
`static boolean`	`isEmpty(String str)` Checks whether the given `String` is empty.
`static boolean`	`isEqualObject(Object obj1, Object obj2)`
`static <T> List<T>`	`iteratorToList(Iterable<T> iter)`
`static String`	`listToSeparatedString(List<String> list, char separator)` Converts array of strings to string separated with specified character.
`static <T> T`	`newInstance(Class<T> cls)`
`static Object`	`newInstance(String classname)`
`static <T> T`	`newInstance(String classname, Class<T> cls)`
`static String`	`nextUUID()` Gets an universally unique identifier (UUID).
`static String`	`printStackTrace()`
`static byte[]`	`serializeObject(Serializable object)` Serializes an object instance into byte array.
`static <T> T[]`	`toArray(Collection<? extends T> col, Class<T> type)` Converts a collection to Java array.
`static long[]`	`toPrimitive(Long[] array)` Converts the array with Long elements to the array with long (primitive type)
`static <T> Set<T>`	`toSingleElementSet(T element)`

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

- Method Detail
  - serializeObject
```
public static byte[] serializeObject(Serializable object)
```
    Serializes an object instance into byte array.
    
    Parameters:
    
    object - An instance to be serialized.
    
    Returns:
    
    Java array of bytes.
    
    See Also:
    
    deserializeObject(byte[])
  - deserializeObject
```
public static Serializable deserializeObject(byte[] bytes)
```
    Deserializes an object instance.
    
    Parameters:
    
    bytes - Java array of bytes.
    
    Returns:
    
    Deserialized instance of an object.
    
    See Also:
    
    serializeObject(Serializable)
  - isEmpty
```
public static boolean isEmpty(Object obj)
```
    Checks whether the given Object is empty.
    
    Parameters:
    
    obj - Object to be checked.
    
    Returns:
    
    true - if the Object is null, false otherwise.
  - isEmpty
```
public static boolean isEmpty(byte[] byteArray)
```
    Checks whether the given Object is empty.
    
    Parameters:
    
    byteArray - Object to be checked.
    
    Returns:
    
    true - if the Object is null, false otherwise.
  - isEmpty
```
public static boolean isEmpty(String str)
```
    Checks whether the given String is empty.
    
    Parameters:
    
    str - String object to be checked.
    
    Returns:
    
    true - if the String is null or empty, false - otherwise.
  - isEmpty
```
public static boolean isEmpty(Object[] array)
```
    Checks whether the given Java array is empty.
    
    Parameters:
    
    array - Java array to be checked.
    
    Returns:
    
    true - if the array is null or empty, false - otherwise.
  - isEmpty
```
public static boolean isEmpty(Collection<?> collection)
```
    Checks whether the given collection is empty.
    
    Parameters:
    
    collection - A collection to be checked.
    
    Returns:
    
    true - if the collection is null or empty, false - otherwise.
  - isEmpty
```
public static boolean isEmpty(Map<?,?> map)
```
    Checks whether the given map is empty.
    
    Parameters:
    
    map - A map to be checked.
    
    Returns:
    
    true - if the map is null or empty, false - otherwise.
  - toPrimitive
```
public static long[] toPrimitive(Long[] array)
```
    Converts the array with Long elements to the array with long (primitive type)
    
    Parameters:
    
    array - input array with Long elements
    
    Returns:
    
    array with the same elements converted to the long type (primitive)
  - toArray
```
public static <T> T[] toArray(Collection<? extends T> col,
                              Class<T> type)
```
    Converts a collection to Java array.
    
    Type Parameters:
    
    T - Java type of the collection element.
    
    Parameters:
    
    col - Collection to be converted to array
    
    type - Java type of collection/array element
    
    Returns:
    
    An Java array of collection elements, or empty array if collection is null or empty.
  - nextUUID
```
public static String nextUUID()
```
    Gets an universally unique identifier (UUID).
    
    Returns:
    
    String representation of generated UUID.
  - concat
```
public static <T> T[] concat(T[] left,
                             T[] right)
```
    Concatenates two Java arrays. The method allocates a new array and copies all elements to it or returns one of input arrays if another one is empty.
    
    Type Parameters:
    
    T - left+right
    
    Parameters:
    
    left - Elements of this array will be copied to positions from 0 to left.length - 1 in the target array.
    
    right - Elements of this array will be copied to positions from left.length to left.length + right.length
    
    Returns:
    
    T[] newly allocate Java array that accommodates elements of source (left/right) arrays or one of source arrays if another is empty, null - otherwise.
  - cast
```
public static <B,D> D cast(B b,
                           Class<D> cls)
```
    Casts an object to the class or interface represented by the specified Class object. The method logic is similar to Java method Class.cast(Object) with the only difference that unlike Java's version the type name of the current object instance is specified in the error message if casting fails to simplify error tracking.
    
    Type Parameters:
    
    B - origin instance
    
    D - casted instance
    
    Parameters:
    
    b - An object instance to be casted to the specified Java type.
    
    cls - Target Java type.
    
    Returns:
    
    Object instance safely casted to the requested Java type.
    
    Throws:
    
    ClassCastException - In case which is the given object is not instance of the specified Java type.
  - newInstance
```
public static Object newInstance(String classname)
```
  - newInstance
```
public static <T> T newInstance(String classname,
                                Class<T> cls)
```
  - newInstance
```
public static <T> T newInstance(Class<T> cls)
```
  - getResourcesPath
```
public static String getResourcesPath(String resourceName)
```
  - getStackTrace
```
public static String getStackTrace(Throwable t)
```
  - printStackTrace
```
public static String printStackTrace()
```
  - isEqualObject
```
public static boolean isEqualObject(Object obj1,
                                    Object obj2)
```
  - arrayToCommaSeparatedString
```
public static String arrayToCommaSeparatedString(String[] arr)
```
    Converts array of strings to comma-separated string.
    
    Parameters:
    
    arr - array of strings
    
    Returns:
    
    String comma Separated value
  - collectionToCommaSeparatedString
```
public static String collectionToCommaSeparatedString(Collection<String> elementCollection)
```
  - arrayToSeparatedString
```
public static String arrayToSeparatedString(String[] arr,
                                            char separator)
```
    Converts array of strings to string separated with specified character.
    
    Parameters:
    
    arr - array of strings
    
    separator - separator
    
    Returns:
    
    String comma Separated value
  - listToSeparatedString
```
public static String listToSeparatedString(List<String> list,
                                           char separator)
```
    Converts array of strings to string separated with specified character.
    
    Parameters:
    
    list - array of strings
    
    separator - separator
    
    Returns:
    
    String comma Separated value
  - duplicateStringWithDelimiter
```
public static String duplicateStringWithDelimiter(String arg,
                                                  char separator,
                                                  int numberOfDuplications)
```
  - bytesToHex
```
public static String bytesToHex(byte[] bytes)
```
  - toSingleElementSet
```
public static <T> Set<T> toSingleElementSet(T element)
```
    Type Parameters:
    
    T - the class of the objects in the set
    
    Parameters:
    
    element - the single element to be contained in the returned Set
    
    Returns:
    
    an immutable set containing only the specified object. The returned set is serializable.
  - iteratorToList
```
public static <T> List<T> iteratorToList(Iterable<T> iter)
```

Class CommonMethods

Method Summary

Methods inherited from class java.lang.Object

Method Detail

serializeObject

deserializeObject

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

toPrimitive

toArray

nextUUID

concat

cast

newInstance

newInstance

newInstance

getResourcesPath

getStackTrace

printStackTrace

isEqualObject

arrayToCommaSeparatedString

collectionToCommaSeparatedString

arrayToSeparatedString

listToSeparatedString

duplicateStringWithDelimiter

bytesToHex

toSingleElementSet

iteratorToList