Java tutorial
/* * $Id: Login.java 471756 2006-11-06 15:01:43Z husted $ * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package classes; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Map; import org.apache.log4j.Logger; import org.apache.struts2.interceptor.ParameterAware; import org.apache.struts2.interceptor.RequestAware; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.Transaction; import org.hibernate.criterion.Example; import org.hibernate.criterion.MatchMode; import org.hibernate.criterion.Restrictions; import com.opensymphony.xwork2.ActionContext; public class PurchaseOrderAction extends ExampleSupport implements RequestAware, ParameterAware { private static Logger logger = Logger.getLogger(PurchaseOrderAction.class); //f:log private Map<String, Object> request; private Map<String, String[]> parameters; private PurchaseOrder purchaseOrder; private String task; @Override public void setRequest(Map<String, Object> map) { request = map; } @Override public void setParameters(Map<String, String[]> parameters) { this.parameters = parameters; } public PurchaseOrder getPurchaseOrder() { return this.purchaseOrder; } public void setPurchaseOrder(PurchaseOrder purchaseOrder) { this.purchaseOrder = purchaseOrder; } public String getTask() { return this.task; } public void setTask(String task) { this.task = task; } @Override public String execute() throws Exception { return this.input(); } @Override public String input() throws Exception { logger.info("Starting input()"); //f:log this.task = SystemConstants.CR_MODE; this.purchaseOrder = null; Session sess = HibernateUtil.getSessionFactory().openSession(); //f:hibernate Transaction t = sess.beginTransaction(); //f:hibernate Criteria criteria = sess.createCriteria(Customer.class); //f:hibernate @SuppressWarnings("unchecked") List<Customer> lc = (List<Customer>) criteria.list(); //f:hibernate ActionContext.getContext().getSession().put("listCustomer", lc); criteria = sess.createCriteria(Product.class); //f:hibernate @SuppressWarnings("unchecked") List<Product> lp = (List<Product>) criteria.list(); //f:hibernate ActionContext.getContext().getSession().put("listProduct", lp); t.commit(); //f:hibernate sess.close(); //f:hibernate logger.info("Finishing input()"); //f:log return INPUT; } public String find() throws Exception { logger.info("Starting find()"); //f:log Session sess = HibernateUtil.getSessionFactory().openSession(); //f:hibernate Transaction t = sess.beginTransaction(); //f:hibernate Criteria criteria = sess.createCriteria(PurchaseOrder.class); //f:hibernate criteria.add( Example.create(this.purchaseOrder).excludeZeroes().ignoreCase().enableLike(MatchMode.ANYWHERE)); //f:hibernate if (this.purchaseOrder.getId() != null) { //f:hibernate criteria.add(Restrictions.idEq(this.purchaseOrder.getId())); //f:hibernate } //f:hibernate if (this.purchaseOrder.getCustomer().getId() != null) { //f:hibernate criteria.add(Restrictions.eq("customer", this.purchaseOrder.getCustomer())); //f:hibernate } //f:hibernate criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY); //f:hibernate @SuppressWarnings("unchecked") List<PurchaseOrder> l = (List<PurchaseOrder>) criteria.list(); //f:hibernate request.put("list", l); t.commit(); //f:hibernate sess.close(); //f:hibernate this.task = SystemConstants.CR_MODE; logger.info("Finishing input()"); //f:log return INPUT; } public String save() throws Exception { logger.info("Starting save()"); //f:log Session sess = HibernateUtil.getSessionFactory().openSession(); //f:hibernate Transaction t = sess.beginTransaction(); //f:hibernate this.purchaseOrder.setOrderDate(new Date()); for (PurchaseOrderItem item : this.purchaseOrder.getPurchaseOrderItems()) { item.setPurchaseOrder(this.purchaseOrder); } sess.save(this.purchaseOrder); //f:hibernate t.commit(); //f:hibernate sess.close(); //f:hibernate this.task = SystemConstants.UD_MODE; this.addActionMessage(this.getText("saveSuccessful", new String[] { "order" })); logger.info("Finishing save()"); //f:log return INPUT; } public String update() throws Exception { logger.info("Starting update()"); //f:log Session sess = HibernateUtil.getSessionFactory().openSession(); //f:hibernate Transaction t = sess.beginTransaction(); //f:hibernate for (PurchaseOrderItem item : this.purchaseOrder.getPurchaseOrderItems()) { item.setPurchaseOrder(this.purchaseOrder); } sess.update(this.purchaseOrder); //f:hibernate t.commit(); //f:hibernate sess.close(); //f:hibernate this.task = SystemConstants.UD_MODE; this.addActionMessage(this.getText("updateSuccessful", new String[] { "order" })); logger.info("Finishing update()"); //f:log return INPUT; } public String delete() throws Exception { logger.info("Starting delete()"); //f:log Session sess = HibernateUtil.getSessionFactory().openSession(); //f:hibernate Transaction t = sess.beginTransaction(); //f:hibernate sess.delete(this.purchaseOrder); //f:hibernate t.commit(); //f:hibernate sess.close(); //f:hibernate this.task = SystemConstants.CR_MODE; this.addActionMessage(this.getText("deleteSuccessful", new String[] { "order" })); logger.info("Finishing delete()"); //f:log return this.input(); } public String edit() throws Exception { logger.info("Starting edit()"); //f:log Integer id = Integer.valueOf(this.parameters.get("id")[0]); Session sess = HibernateUtil.getSessionFactory().openSession(); //f:hibernate Transaction t = sess.beginTransaction(); //f:hibernate PurchaseOrder po = (PurchaseOrder) sess.get(PurchaseOrder.class, id); //f:hibernate this.setPurchaseOrder(po); t.commit(); //f:hibernate sess.close(); //f:hibernate this.task = SystemConstants.UD_MODE; logger.info("Finishing edit()"); //f:log return INPUT; } @Override public void validate() { logger.info("Starting validate()"); //f:log super.validate(); int i = 0; for (Iterator<PurchaseOrderItem> it = this.purchaseOrder.getPurchaseOrderItems().iterator(); it .hasNext(); i++) { PurchaseOrderItem item = it.next(); if (item.getProduct().getId() != null || item.getPrice() != null || item.getQuantity() != null || i == 0) { if (item.getProduct().getId() == null) { this.addFieldError("item" + i + "_product", getText("requiredspecific", new String[] { "Product" })); } if (item.getPrice() == null) { this.addFieldError("item" + i + "_price", getText("requiredspecific", new String[] { "Price" })); } if (item.getQuantity() == null) { this.addFieldError("item" + i + "_quantity", getText("requiredspecific", new String[] { "Quantity" })); } } else { it.remove(); } } logger.info("Finishing validate()"); //f:log } }