JAI to ImageN Rename of classes and constants

[jodygarnett]

Refactor references to JAI in classes and constants:

• integration.yml modified run pom2 and update2 targets
• Rename internal JaiI18N classes to ImageN18N and ImageNLegacy18N
• Rename public JAI class to ImageN, provide a legacy JAI class placeholder
• Rename parameter blocks that start with JAI
• Rename constants that start with JAI
• Rename ColorSpaceJAIExtWrapper
• Rename IHSColorSpaceJAIExt
• Rename ColorSpaceJAIExt
• Rename PropertyChangeEventJAI
• Rename ColorSpaceJAI
• Rename LookupTableJAI
• Rename ParameterBlockJAI --> ParameterBlockImageN
• Rename ComponentSampleModelJAI
• Rename PropertyChangeSupportJAI
• Rename KernelJAI
• Rename ImageJAI
• Rename ImageFunctionJAIEXT
• Rename ImageFunctionJAIEXTWrapper
• Deprecated subclass ColorSpaceJAIExtWrapper
• Deprecated subclass IHSColorSpaceJAIExt
• Deprecated subclass ComponentSampleModelJAI

Reference:

• Reference to JAI in API and javadocs #13

Concurrent merge of jai-rename branches:

• JAI to ImageN Rename of classes and constants #115
• ImageIO-Ext update for JAI to ImageN Rename of classes and constants geosolutions-it/imageio-ext#334
• [GEOT-7819] GeoTools update for JAI to ImageN Rename of classes and constants geotools/geotools#5364
• MapFish Print V2 update for JAI to ImageN rename of classes and constants mapfish/mapfish-print-v2#39
• GeoWebCache update for JAI to ImageN rename of classes and constants GeoWebCache/geowebcache#1434
• [GEOS-11948] GeoServer update for JAI to ImageN rename of classes and constants geoserver/geoserver#8821

Reviewers: Note complete ImageN integration test, or check out everything and build locally.

[jodygarnett]

Okay initial refactor of JAI class to ImageN class is landing, going to hold with the docs and migration and integration script until that works.

• All jai-rename branches in downstream projects are created
• Migration script has pom2 and update2 targets for independent 0.4.0 - 0.9 change
• Refactor also updated the documentation markdown files so that needs to be checked

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[aaime]

What an epic PR LOL and whoops!, I thoght I submitted this review but never pressed the "submit review" button. Sorry, here it is

I have found a few thing noted below. Besides that, grepping the supported part for JAI offers a number of other possibilties:

> git grep -i JAI -- "**/*.java" | grep -v legacy | grep -v unsupported | wc -l
1774

Out of that large selection, here is a few notes.

1. There is still a fair amount of JaiI18n classes around, mostly because they are specific to a module. From the root of the checkout:

> find . -name JaiI18N.java | wc -l
33

2. There is still a few notable classes that contain JAI in their name. Excluding the legacy and demo modules, we have:

./modules/colorconvert/src/main/java/org/eclipse/imagen/media/colorconvert/ColorSpaceJAIExtWrapper.java
./modules/colorconvert/src/main/java/org/eclipse/imagen/media/colorconvert/IHSColorSpaceJAIExt.java
./modules/colorconvert/src/main/java/org/eclipse/imagen/media/colorconvert/ColorSpaceJAIExt.java
./modules/core/src/main/java/org/eclipse/imagen/PropertyChangeEventJAI.java
./modules/core/src/main/java/org/eclipse/imagen/ColorSpaceJAI.java
./modules/core/src/main/java/org/eclipse/imagen/LookupTableJAI.java
./modules/core/src/main/java/org/eclipse/imagen/ParameterBlockJAI.java
./modules/core/src/main/java/org/eclipse/imagen/ComponentSampleModelJAI.java
./modules/core/src/main/java/org/eclipse/imagen/PropertyChangeSupportJAI.java
./modules/core/src/main/java/org/eclipse/imagen/KernelJAI.java
./modules/core/src/main/java/org/eclipse/imagen/ImageJAI.java
./modules/imagefunction/src/main/java/org/eclipse/imagen/media/imagefunction/ImageFunctionJAIEXT.java
./modules/imagefunction/src/main/java/org/eclipse/imagen/media/imagefunction/ImageFunctionJAIEXTWrapper.java

3. Docs are still referring to JAI.create

4. There are places where we see jai still used as a variable, e.g.:

ImageN jai = ImageN.getDefaultInstance();

[jodygarnett]

What an epic PR LOL and whoops!, I thoght I submitted this review but never pressed the "submit review" button. Sorry, here it is

Wow - thanks for the epic review! Working on it...