Update README.md for Java bindings to mention we don't publish to Maven Central currently

bindings/java/README.md

@@ -8,38 +8,33 @@
 
 See main [Regorus page](https://github.com/microsoft/regorus) for more details about the project.
 
-## Usage
+## Building
 
-Regorus Java is published to Maven Central with native libraries for the following:
+Due to operational overhead we don't publish Java bindings to Maven Central
+currently (see https://github.com/microsoft/regorus/issues/237) and you need to build from source to use it.
 
-- 64-bit Linux (kernel 3.2+, glibc 2.17+)
-- ARM64 Linux (kernel 4.1, glibc 2.17+)
-- 64-bit macOS (10.12+, Sierra+)
-- ARM64 macOS (11.0+, Big Sur+)
-- 64-bit MSVC (Windows 7+)
+In order to build Regorus Java for a target platform, you need to install Rust target for that platform first:
+```bash
+$ rustup target add aarch64-apple-darwin
+```
 
-If you need to run it in a different OS or an architecture you need to manually [build it](#Building).
+Afterwards, you can build native library for that target using:
+```bash
+$ cargo build --release --target aarch64-apple-darwin
+```
 
-If you're on one of the supported platforms, you can just pull prebuilt JAR from Maven Central by declaring a dependency on `com.microsoft.regorus:regorus-java`.
+You will then have a native library at `../../target/aarch64-apple-darwin/release/libregorus_java.dylib` depending on your target.
 
-With [Maven](https://maven.apache.org/):
-```xml
-<dependencies>
-    <dependency>
-        <groupId>com.microsoft.regorus</groupId>
-        <artifactId>regorus-java</artifactId>
-        <version>0.0.1</version>
-    </dependency>
-</dependencies>
+You then need to build Java bindings using:
+```bash
+$ mvn package
 ```
 
-With [Gradle](https://gradle.org/):
-```kotlin
-// build.gradle.kts
-implementation("com.microsoft.regorus:regorus-java:0.0.1")
-```
+And you will have a JAR at `./target/regorus-java-0.0.1.jar`.
+
+## Usage
 
-Afterwards you can use it as follows:
+You can use Regorus Java bindings as:
 
 ```java
 import com.microsoft.regorus.Engine;
@@ -61,37 +56,14 @@ public class Test {
 }
 ```
 
-And you can see the following output once you run it:
-```shell
-{"result":[{"expressions":[{"value":"Hello, World!","text":"data.test.message","location":{"row":1,"col":1}}]}]}
-```
-
-## Building
-
-In order to build Regorus Java for a target platform, you need to install Rust target
-for that target platform first:
-
-```bash
-$ rustup target add aarch64-apple-darwin
-```
-
-Afterwards, you can build native library for that target using:
-```bash
-$ cargo build --release --target aarch64-apple-darwin
-```
-
-You will then have a native library at `../../target/aarch64-apple-darwin/release/libregorus_java.dylib` depending on your target.
-
-You can then build a JAR from source using:
-```bash
-$ mvn package
-```
-
-And you will have a JAR at `./target/regorus-java-0.0.1.jar`.
+You need to ensure artifacts built in [previous section](#building) are in Java's classpath.
 
-You need to make sure both of the artifacts in Java's classpath.
 For example with `java` CLI:
 ```bash
 $ java -Djava.library.path=../../target/aarch64-apple-darwin/release/ -cp target/regorus-java-0.0.1.jar Test.java
 ```
 
+should gave you the output:
+```
+{"result":[{"expressions":[{"value":"Hello, World!","text":"data.test.message","location":{"row":1,"col":1}}]}]}
+```