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Glassfish example source code file (ConnectionPoolValidator.java)
The Glassfish ConnectionPoolValidator.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.enterprise.config.serverbeans.customvalidators; import com.sun.enterprise.config.serverbeans.ConnectorConnectionPool; import com.sun.enterprise.config.serverbeans.JdbcConnectionPool; import com.sun.enterprise.config.serverbeans.ResourcePool; import java.util.logging.Level; import java.util.logging.Logger; import javax.validation.ConstraintValidator; import javax.validation.ConstraintValidatorContext; /** * Implementation for Connection Pool validation. * Following validations are done : * - Validation of datasource/driver classnames when resource type is not null * - Max pool size to be always higher than steady pool size * - Check if statement wrapping is on when certain features are enabled. * * @author Shalini M */ public class ConnectionPoolValidator implements ConstraintValidator<ConnectionPoolConstraint, ResourcePool> { protected ConnectionPoolErrorMessages poolFaults; public void initialize(final ConnectionPoolConstraint constraint) { this.poolFaults = constraint.value(); } @Override public boolean isValid(final ResourcePool pool, final ConstraintValidatorContext constraintValidatorContext) { if(poolFaults == ConnectionPoolErrorMessages.MAX_STEADY_INVALID) { if(pool instanceof JdbcConnectionPool) { JdbcConnectionPool jdbcPool = (JdbcConnectionPool) pool; if (Integer.parseInt(jdbcPool.getMaxPoolSize()) < (Integer.parseInt(jdbcPool.getSteadyPoolSize()))) { //max pool size fault return false; } } else if(pool instanceof ConnectorConnectionPool) { ConnectorConnectionPool connPool = (ConnectorConnectionPool) pool; if (Integer.parseInt(connPool.getMaxPoolSize()) < (Integer.parseInt(connPool.getSteadyPoolSize()))) { //max pool size fault return false; } } } if(poolFaults == ConnectionPoolErrorMessages.STMT_WRAPPING_DISABLED) { if(pool instanceof JdbcConnectionPool) { JdbcConnectionPool jdbcPool = (JdbcConnectionPool) pool; if (jdbcPool.getSqlTraceListeners() != null) { if (!Boolean.valueOf(jdbcPool.getWrapJdbcObjects())) { return false; } } if (Integer.valueOf(jdbcPool.getStatementCacheSize()) != 0) { if (!Boolean.valueOf(jdbcPool.getWrapJdbcObjects())) { return false; } } if (Integer.valueOf(jdbcPool.getStatementLeakTimeoutInSeconds()) != 0) { if (!Boolean.valueOf(jdbcPool.getWrapJdbcObjects())) { return false; } } if (Boolean.valueOf(jdbcPool.getStatementLeakReclaim())) { if (!Boolean.valueOf(jdbcPool.getWrapJdbcObjects())) { return false; } } } } if(poolFaults == ConnectionPoolErrorMessages.TABLE_NAME_MANDATORY){ if(pool instanceof JdbcConnectionPool){ JdbcConnectionPool jdbcPool = (JdbcConnectionPool) pool; if (Boolean.valueOf(jdbcPool.getIsConnectionValidationRequired())) { if ("table".equals(jdbcPool.getConnectionValidationMethod())) { if(jdbcPool.getValidationTableName() == null || jdbcPool.getValidationTableName().equals("")){ return false; } } } } } if(poolFaults == ConnectionPoolErrorMessages.CUSTOM_VALIDATION_CLASS_NAME_MANDATORY){ if(pool instanceof JdbcConnectionPool){ JdbcConnectionPool jdbcPool = (JdbcConnectionPool) pool; if (Boolean.valueOf(jdbcPool.getIsConnectionValidationRequired())) { if ("custom-validation".equals(jdbcPool.getConnectionValidationMethod())) { if(jdbcPool.getValidationClassname() == null || jdbcPool.getValidationClassname().equals("")){ return false; } } } } } if (poolFaults == ConnectionPoolErrorMessages.RES_TYPE_MANDATORY) { if (pool instanceof JdbcConnectionPool) { JdbcConnectionPool jdbcPool = (JdbcConnectionPool) pool; String resType = jdbcPool.getResType(); String dsClassName = jdbcPool.getDatasourceClassname(); String driverClassName = jdbcPool.getDriverClassname(); if (resType == null) { //One of datasource/driver classnames must be provided. if ((dsClassName == null || dsClassName.equals("")) && (driverClassName == null || driverClassName.equals(""))) { return false; } else { //Check if both are provided and if so, return false if (dsClassName != null && driverClassName != null) { return false; } } } else if (resType.equals("javax.sql.DataSource") || resType.equals("javax.sql.ConnectionPoolDataSource") || resType.equals("javax.sql.XADataSource")) { //Then datasourceclassname cannot be empty if (dsClassName == null || dsClassName.equals("")) { return false; } } else if (resType.equals("java.sql.Driver")) { //Then driver classname cannot be empty if (driverClassName == null || driverClassName.equals("")) { return false; } } } } return true; } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish ConnectionPoolValidator.java source code file: |
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