Introduce buildErrorMessage() utility in ScriptStatementFailedException

To eliminate code duplication, ScriptStatementFailedException and
ScriptUtils now delegate to a new buildErrorMessage() utility method.

Issue: SPR-12752

Author: sbrannen

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/init/ScriptStatementFailedException.java

@@ -29,6 +29,18 @@
 @SuppressWarnings("serial")
 public class ScriptStatementFailedException extends ScriptException {
 
+	/**
+	 * Build an error message based on the supplied parameters.
+	 * @param statement the actual SQL statement that failed
+	 * @param statementNumber the statement number in the SQL script (i.e.,
+	 * the nth statement present in the resource)
+	 * @param encodedResource the resource from which the SQL statement was read
+	 */
+	public static String buildErrorMessage(String statement, int statementNumber, EncodedResource encodedResource) {
+		return String.format("Failed to execute SQL script statement #%s of %s: %s",
+				statementNumber, encodedResource, statement);
+	}
+
 	/**
 	 * Construct a new {@code ScriptStatementFailedException}.
 	 * @param statement the actual SQL statement that failed
@@ -38,8 +50,7 @@ public class ScriptStatementFailedException extends ScriptException {
 	 * @param cause the underlying cause of the failure
 	 */
 	public ScriptStatementFailedException(String statement, int statementNumber, EncodedResource resource, Throwable cause) {
-		super("Failed to execute SQL script statement #" + statementNumber + " of resource " + resource + ": "
-				+ statement, cause);
+		super(buildErrorMessage(statement, statementNumber, resource), cause);
 	}
 
 }

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/init/ScriptUtils.java

@@ -464,8 +464,7 @@ public static void executeSqlScript(Connection connection, EncodedResource resou
 						boolean dropStatement = StringUtils.startsWithIgnoreCase(statement.trim(), "drop");
 						if (continueOnError || (dropStatement && ignoreFailedDrops)) {
 							if (logger.isDebugEnabled()) {
-								logger.debug("Failed to execute SQL script statement #" + stmtNumber +
-										" of resource " + resource + ": " + statement, ex);
+								logger.debug(ScriptStatementFailedException.buildErrorMessage(statement, stmtNumber, resource), ex);
 							}
 						}
 						else {