com.foreach.imageserver.client

Class Md5ImageRequestHashBuilder

java.lang.Object

com.foreach.imageserver.client.Md5ImageRequestHashBuilder

All Implemented Interfaces:

ImageRequestHashBuilder

public class Md5ImageRequestHashBuilder
extends Object
implements ImageRequestHashBuilder

Default implementation of ImageRequestHashBuilder that calculates a uses an MD5 hash of all parameters including an additional custom hash token.

Author:

Arne Vandamme

Constructor Summary

Constructors

Constructor and Description
Md5ImageRequestHashBuilder(@NonNull String hashToken) Create a new builder instance for creating MD5 hashes of all paremeters including an additional specified token.

Method Summary

Modifier and Type	Method and Description
String	calculateHash(String context, String ratio, ImageResolutionDto imageResolution, ImageVariantDto imageVariant, String... size) Calculate a security hash of the different parameters.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.foreach.imageserver.client.ImageRequestHashBuilder

md5

Constructor Detail

Md5ImageRequestHashBuilder

public Md5ImageRequestHashBuilder(@NonNull
                                  @NonNull String hashToken)

Create a new builder instance for creating MD5 hashes of all paremeters including an additional specified token. If the server uses the same token it should be able to verify the generated hash codes.

Parameters:

hashToken - that will be added to the parameters when building the hash

Method Detail

calculateHash

public String calculateHash(String context,
                            String ratio,
                            ImageResolutionDto imageResolution,
                            ImageVariantDto imageVariant,
                            String... size)

Description copied from interface: ImageRequestHashBuilder

Calculate a security hash of the different parameters. Result can be empty if no hash could be calculated.

Specified by:

calculateHash in interface ImageRequestHashBuilder

Parameters:

context - of the image

ratio - can be null

imageResolution - can be null

imageVariant - requested - can be null

size - can be empty

Returns:

calculated hash