Module one.jpro.platform.image.manager

Package one.jpro.platform.image.manager

Class ImageUtils

java.lang.Object

one.jpro.platform.image.manager.ImageUtils

public class ImageUtils
extends Object

This class provides utility methods for various image operations.

Constructor Summary

Constructors

Constructor	Description
ImageUtils()

Method Summary

Modifier and Type	Method	Description
static long	computeHashValue(byte[] data)	Computes the MD5 hash of the given data and returns the first 8 bytes of the hash as a long value.
static String	escapeJson(String str)	Escapes certain special characters in a JSON string to ensure it's valid.

Methods inherited from class java.lang.Object

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

Constructor Details

ImageUtils

public ImageUtils()

Method Details

computeHashValue

public static long computeHashValue(byte[] data)

Computes the MD5 hash of the given data and returns the first 8 bytes of the hash as a long value.

Parameters:

data - The input data for which the hash needs to be computed.

Returns:

The first 8 bytes of the MD5 hash as a long value.

Throws:

RuntimeException - if there's an error computing the hash.

escapeJson

public static String escapeJson(String str)

Escapes certain special characters in a JSON string to ensure it's valid. Specifically, it escapes backslashes and double quotes.

Parameters:

str - The input JSON string that might contain characters to be escaped.

Returns:

The input string with necessary characters escaped.