ICU-22921 Add windows script doing jar extraction

icu4c/source/data/icu4j-readme.txt

@@ -26,12 +26,15 @@ In the following,
    
    *Windows*
     - Add ICU_DATA_BUILDTOOL_OPTS as a system environment variable with value "--include_uni_core_data"
-    - Build $icu4c_root\source\allinone\allinone.sln in Visual Studio
+      set ICU_DATA_BUILDTOOL_OPTS=--include_uni_core_data
+    - Build %icu4c_root%\source\allinone\allinone.sln in Visual Studio
+      You can also do it from command line (adjust Platform if needed):
+      msbuild %icu4c_root%\source\allinone\allinone.sln /p:Configuration=Release /p:Platform=x64 /p:SkipUWP=true
 
    For more instructions on downloading and building ICU4C,
    see the ICU4C readme at:
         https://htmlpreview.github.io/?https://github.com/unicode-org/icu/blob/main/icu4c/readme.html#HowToBuild
-        (Windows: build as 'x86, Release' otherwise you will have to set 'CFG' differently below.)
+        (Windows: build as 'x64, Release' otherwise you will have to set 'CFG' differently below.)
 
     *NOTE* You should do a full rebuild after any data changes.
     
@@ -43,10 +46,13 @@ platform.
 
 *Windows* 
 
-2a. On Developer Command Prompt for VS, cd to $icu4c_root\source\data.
+2a. On Developer Command Prompt for VS do
+       cd %icu4c_root%\source\data
+       nmake -f makedata.mak ICUMAKE=%icu4c_root%\source\data\ CFG=x64\Release JAR="%jdk_bin%\jar" ICU4J_ROOT=%icu4j_root% icu4j-data-install
 
-2b. On Developer Command Prompt for VS,
-        nmake -f makedata.mak ICUMAKE=$icu4c_root\source\data\ CFG=x86\Release JAR="$jdk_bin\jar" ICU4J_ROOT=$icu4j_root icu4j-data-install
+2b. Do
+       cd %icu4j_root%
+       .\extract-data-files.bat
 
        Continue with step 3 below, in Java:
 
@@ -64,6 +70,11 @@ platform.
 
        (You can omit the JAR if it's just jar.)
 
+2e. Do
+       cd $icu4j_root
+       ./extract-data-files.sh
+
+
 	Continue with step 3, in Java:
 
 Step 2 on either platform will produce two files: icudata.jar and

icu4j/extract-data-files.bat

@@ -0,0 +1,99 @@
+@echo off
+rem Copyright (C) 2023 and later: Unicode, Inc. and others.
+rem License & terms of use: http://www.unicode.org/copyright.html
+
+rem Check that all the .jar files are present
+
+cd %icu4j_root%
+
+set JAR_FILE=main\shared\data\icudata.jar
+if exist %JAR_FILE% goto icutzdata
+  echo Missing %JAR_FILE%
+  goto:EOF
+
+:icutzdata
+set JAR_FILE=main\shared\data\icutzdata.jar
+if exist %JAR_FILE% goto testdata
+  echo Missing %JAR_FILE%
+  goto:EOF
+
+:testdata
+set JAR_FILE=main\shared\data\testdata.jar
+if exist %JAR_FILE% goto alljarsok
+  echo Missing %JAR_FILE%
+  goto:EOF
+
+:alljarsok
+
+rem Unpack the pre-built .jar files with data only
+
+echo Unpacking icudata.jar
+cd %icu4j_root%
+rd /s/q main\core\src\main\resources\com\ibm\icu\impl\data\icudata
+rem jar cannot extract to folder, and /C does now seem to work on Windows.
+rem We have to switch folder explicitly
+cd      main\core\src\main\resources
+jar xf  %icu4j_root%\main\shared\data\icudata.jar
+rd /s/q META-INF
+cd %icu4j_root%
+
+echo   Moving charset data
+rd /s/q main\charset\src\main\resources\com\ibm\icu\impl\data\icudata
+md      main\charset\src\main\resources\com\ibm\icu\impl\data\icudata
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\*.cnv        main\charset\src\main\resources\com\ibm\icu\impl\data\icudata\
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\cnvalias.icu main\charset\src\main\resources\com\ibm\icu\impl\data\icudata\
+
+echo   Moving currency data
+rd /s/q main\currdata\src\main\resources\com\ibm\icu\impl\data\icudata
+md      main\currdata\src\main\resources\com\ibm\icu\impl\data\icudata
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\curr        main\currdata\src\main\resources\com\ibm\icu\impl\data\icudata\curr
+
+echo   Moving collate data
+rd /s/q main\collate\src\main\resources\com\ibm\icu\impl\data\icudata
+md      main\collate\src\main\resources\com\ibm\icu\impl\data\icudata
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\coll        main\collate\src\main\resources\com\ibm\icu\impl\data\icudata\coll
+
+echo   Moving langdata data
+rd /s/q main\langdata\src\main\resources\com\ibm\icu\impl\data\icudata
+md      main\langdata\src\main\resources\com\ibm\icu\impl\data\icudata
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\lang         main\langdata\src\main\resources\com\ibm\icu\impl\data\icudata\lang
+
+echo   Moving regiondata data
+rd /s/q main\regiondata\src\main\resources\com\ibm\icu\impl\data\icudata
+md      main\regiondata\src\main\resources\com\ibm\icu\impl\data\icudata
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\region       main\regiondata\src\main\resources\com\ibm\icu\impl\data\icudata\region
+
+echo   Moving translit data
+rd /s/q main\translit\src\main\resources\com\ibm\icu\impl\data\icudata
+md      main\translit\src\main\resources\com\ibm\icu\impl\data\icudata
+move    main\core\src\main\resources\com\ibm\icu\impl\data\icudata\translit     main\translit\src\main\resources\com\ibm\icu\impl\data\icudata\translit
+
+echo Unpacking icutzdata.jar
+rem This unzips together with other existing core files
+rem So we don't remove the folder
+cd     %icu4j_root%\main\core\src\main\resources
+jar xf %icu4j_root%\main\shared\data\icutzdata.jar
+rd /s/q META-INF
+
+echo Unpacking testdata.jar
+cd %icu4j_root%
+rd /s/q  main\core\src\test\resources\com\ibm\icu\dev\data\testdata
+cd       main\core\src\test\resources
+jar xf   %icu4j_root%\main\shared\data\testdata.jar
+rd /s/q  META-INF
+cd %icu4j_root%
+
+echo Removing jar files
+echo   icudata.jar
+del main\shared\data\icudata.jar
+echo   icutzdata.jar
+del main\shared\data\icutzdata.jar
+echo   testdata.jar
+del main\shared\data\testdata.jar
+
+rem remove shared folder, if empty
+rd /q main\shared\data
+rd /q main\shared
+
+echo DONE
+:EOF