package liquibase.sqlgenerator.core;

 import liquibase.database.Database;

 import liquibase.exception.ValidationErrors;

 import liquibase.sql.Sql;

 import liquibase.sql.UnparsedSql;

 import liquibase.sqlgenerator.SqlGenerator;

 import liquibase.sqlgenerator.SqlGeneratorChain;

 import liquibase.statement.StoredProcedureStatement;

 public class StoredProcedureGenerator extends AbstractSqlGenerator<StoredProcedureStatement> {

     public ValidationErrors validate(StoredProcedureStatement storedProcedureStatement, Database database,

             SqlGeneratorChain sqlGeneratorChain) {

         ValidationErrors validationErrors = new ValidationErrors();

         validationErrors.checkRequiredField("procedureName", storedProcedureStatement.getProcedureName());

         return validationErrors;

     }

     public Sql[] generateSql(StoredProcedureStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) {

         StringBuffer string = new StringBuffer();

         string.append("exec (").append(statement.getProcedureName());

         for (String param : statement.getParameters()) {

             string.append(" ").append(param).append(",");

         }

         return new Sql[] { new UnparsedSql(string.toString().replaceFirst(",$", ")")) };

     }

 }