Encapsulate common build steps in a composite action

Closes gh-40353

.github/actions/build/action.yml

@@ -0,0 +1,86 @@
+name: 'Build'
+inputs:
+  java-version:
+    required: false
+    type: string
+    default: '17'
+    description: 'The Java version to compile and test with'
+  java-toolchain:
+    required: false
+    type: boolean
+    default: false
+    description: 'Whether a Java toolchain should be used'
+  publish:
+    required: false
+    type: boolean
+    default: false
+    description: 'Whether to publish artifacts ready for deployment to Artifactory'
+  gradle-enterprise-secret-access-key:
+    required: false
+    type: string
+    description: 'The secret access key for authentication with ge.spring.io'
+  gradle-enterprise-cache-user:
+    required: false
+    type: string
+    description: 'The username for authentication with the remote build cache'
+  gradle-enterprise-cache-password:
+    required: false
+    type: string
+    description: 'The password for authentication with the remote build cache'
+outputs:
+  build-scan-url:
+    value: ${{ steps.build.outputs.build-scan-url }}
+  version:
+    value: ${{ steps.read-version.outputs.version }}
+runs:
+  using: composite
+  steps:
+    - name: Set Up Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'liberica'
+        java-version: |
+          ${{ inputs.java-version }}
+          ${{ inputs.java-toolchain && '17' || '' }}
+    - name: Set Up Gradle
+      uses: gradle/actions/setup-gradle@1168cd3d07c1876a65e1724114de42ccbdfa7b78 # v3.2.1
+      with:
+        cache-read-only: false
+    - name: Configure Gradle Properties
+      shell: bash
+      run: |
+        mkdir -p $HOME/.gradle
+        echo 'systemProp.user.name=spring-builds+github' >> $HOME/.gradle/gradle.properties
+        echo 'systemProp.org.gradle.internal.launcher.welcomeMessageEnabled=false' >> $HOME/.gradle/gradle.properties
+        echo 'org.gradle.daemon=false' >> $HOME/.gradle/gradle.properties
+    - name: Configure Toolchain Properties
+      if: ${{ inputs.java-toolchain }}
+      shell: bash
+      run: |
+        echo toolchainVersion=${{ inputs.java-version }} >> $HOME/.gradle/gradle.properties
+        echo systemProp.org.gradle.java.installations.auto-detect=false >> $HOME/.gradle/gradle.properties
+        echo systemProp.org.gradle.java.installations.auto-download=false >> $HOME/.gradle/gradle.properties
+        echo systemProp.org.gradle.java.installations.paths=${{ format('$JAVA_HOME_{0}_X64', inputs.java-version) }} >> $HOME/.gradle/gradle.properties
+    - name: Build
+      if: ${{ !inputs.publish }}
+      env:
+        GRADLE_ENTERPRISE_URL: 'https://ge.spring.io'
+        GRADLE_ENTERPRISE_ACCESS_KEY: ${{ inputs.gradle-enterprise-secret-access-key }}
+        GRADLE_ENTERPRISE_CACHE_USERNAME: ${{ inputs.gradle-enterprise-cache-user }}
+        GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ inputs.gradle-enterprise-cache-password }}
+      run: ./gradlew build
+    - name: Build and Publish
+      if: ${{ inputs.publish }}
+      env:
+        GRADLE_ENTERPRISE_URL: 'https://ge.spring.io'
+        GRADLE_ENTERPRISE_ACCESS_KEY: ${{ inputs.gradle-enterprise-secret-access-key }}
+        GRADLE_ENTERPRISE_CACHE_USERNAME: ${{ inputs.gradle-enterprise-cache-user }}
+        GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ inputs.gradle-enterprise-cache-password }}
+      run: ./gradlew -PdeploymentRepository=$(pwd)/deployment-repository build publishAllPublicationsToDeploymentRepository
+    - name: Read Version From gradle.properties
+      id: read-version
+      shell: bash
+      run: |
+        version=$(sed -n 's/version=\(.*\)/\1/p' gradle.properties)
+        echo "Version is $version"
+        echo "version=$version" >> $GITHUB_OUTPUT