Package org.filestack.internal

Class Util

java.lang.Object

org.filestack.internal.Util

public class Util
extends Object

Small helper functions that don't need their own class.

Constructor Summary

Constructors

Constructor	Description
Util()

Method Summary

Modifier and Type	Method	Description
static void	addIfNotNull(com.google.gson.JsonObject object, String key, Number value)	Populates JsonObject if value is not null.
static void	addIfNotNull(com.google.gson.JsonObject object, String key, String value)	Populates JsonObject if value is not null.
static String	base64(byte[] data)
static String	base64(byte[] data, int offset, int length)
static String	base64Url(byte[] data)
static <T> void	checkResponseAndThrow(Response<T> response)	Checks status of backend responses.
static File	createReadFile(String pathname)	Creates and validates a new File for reading.
static okhttp3.RequestBody	createStringPart(String content)	Creates Request Body from String.
static File	createWriteFile(String pathname)	Creates and validates a new File for writing.
static boolean	isNullOrEmpty(String value)	Check if String is null or empty.
static boolean	isUnitTest()
static String	partToString(okhttp3.RequestBody body)	Converts RequestBody to String.
static <T> void	throwHttpResponseException(Response<T> response)	Throws an HttpException with the code and error body from a Response.
static void	throwIfNullOrEmpty(String value, String message)	Throw an IllegalArgumentException with message if String is mull or empty.

Methods inherited from class java.lang.Object

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

Constructor Details

Util

public Util()

Method Details

createStringPart

public static okhttp3.RequestBody createStringPart(String content)

Creates Request Body from String. For multipart form uploads.

partToString

public static String partToString(okhttp3.RequestBody body)
                           throws IOException

Converts RequestBody to String.

Throws:

IOException

throwHttpResponseException

public static <T> void throwHttpResponseException(Response<T> response)
                                           throws IOException

Throws an HttpException with the code and error body from a Response.

Parameters:

response - response from a backend call

Throws:

HttpException - always unless error reading response body

IOException - on error reading response body

checkResponseAndThrow

public static <T> void checkResponseAndThrow(Response<T> response)
                                      throws IOException

Checks status of backend responses. Throws a HttpException if response isn't in 200 range.

Parameters:

response - response from a backend call

Throws:

HttpException - on response code not in 200 range

IOException - on error reading response body

createWriteFile

public static File createWriteFile(String pathname)
                            throws IOException

Creates and validates a new File for writing.

Parameters:

pathname - path to file

Returns:

file pointing to pathname

Throws:

FileNotFoundException - if path isn't usable

IOException - if a file can't be created

createReadFile

public static File createReadFile(String pathname)
                           throws IOException

Creates and validates a new File for reading.

Parameters:

pathname - path to file

Returns:

file pointing to pathname

Throws:

FileNotFoundException - if path doesn't exist or isn't usable

IOException

isUnitTest

public static boolean isUnitTest()

isNullOrEmpty

public static boolean isNullOrEmpty(@Nullable
 String value)

Check if String is null or empty.

throwIfNullOrEmpty

public static void throwIfNullOrEmpty(@Nullable
 String value,
 String message)

Throw an IllegalArgumentException with message if String is mull or empty.

base64

public static String base64(byte[] data)

base64

public static String base64(byte[] data,
 int offset,
 int length)

base64Url

public static String base64Url(byte[] data)

addIfNotNull

public static void addIfNotNull(com.google.gson.JsonObject object,
 String key,
 String value)

Populates JsonObject if value is not null.

addIfNotNull

public static void addIfNotNull(com.google.gson.JsonObject object,
 String key,
 @Nullable
 Number value)

Populates JsonObject if value is not null.