added a verification script to run prior to deployment

verify_deployment.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# This script runs a check that version is not "SNAPSHOT", performs a build clean, test, 
+# package and javadoc check, aiming at pre-verifying the code is ready for deployment to maven central.
+# Accepts an optional flag "--skip-version|--skip-version-check that omitts the SNAPSHOT checking
+
+# Default behavior (without the flag)
+check_version=true
+
+# Check if the flag "--skip-version" or "--skip-version-check" is provided
+if [[ "$*" == *"--skip-version"* || "$*" == *"--skip-version-check"* ]]; then
+    check_version=false # Turn of version check
+fi
+
+if [ "$check_version" = true ] ; then
+    # Get the project.version from the POM
+    PROJECT_VERSION=$(mvn -q \
+        -Dexec.executable=echo \
+        -Dexec.args='${project.version}' \
+        --non-recursive \
+        exec:exec)
+
+    # Check if the "PROJECT_VERSION" ends with "SNAPSHOT"
+    if [[ "$PROJECT_VERSION" == *SNAPSHOT ]]; then
+        echo "
+        
+    ==============================================================================================
+    Error: Project version ends with 'SNAPSHOT': run 'mvn versions:set -DnewVersion={new version}'
+        to set a valid version that can be deployed 
+    ==============================================================================================
+        
+        "
+        exit 1
+    fi
+else
+    echo "
+!!! Version check is _NOT_ performed - please check version is not SNAPSHOT before actual deployment !!!
+    "
+    sleep 5 # Sleep for 5 seconds to make sure the user can see the info
+fi
+
+mvn clean package -P fatjar 
+status=$?
+if [ $status -ne 0 ]; then
+    echo "
+    
+    =====================================================================================
+    Failed compling/testing/packaging cpsign - resolve the above issues before deployment
+    =====================================================================================
+    
+    "
+    exit $status
+fi
+
+# Check javadoc is OK
+mvn javadoc:aggregate-jar 
+
+status=$?
+if [ $status -ne 0 ]; then
+    echo "
+    
+    ======================================================================"
+    Failed generating javadoc - resolve the above issues before deployment"
+    ======================================================================
+    
+    "
+    exit $status
+fi