diff options
author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2008-08-18 12:18:22 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2008-08-18 12:18:22 +0000 |
commit | b58a361da80d48a7b59cdbe45c08b5fbe73edcd8 (patch) | |
tree | ce4f6e7096e334968f292bbdcfb5c6ffd220cd29 /tags/java/sca/1.3.1-RC0/tutorial/assets/services/db/ShoppingCartTableImpl.java | |
parent | ef7c2424929d86cd59c0197729901bee89d67221 (diff) |
Tag 1.3.1 RC0. There will be an RC1 for voting, Rc0 is just to sanity check
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@686734 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'tags/java/sca/1.3.1-RC0/tutorial/assets/services/db/ShoppingCartTableImpl.java')
-rw-r--r-- | tags/java/sca/1.3.1-RC0/tutorial/assets/services/db/ShoppingCartTableImpl.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tags/java/sca/1.3.1-RC0/tutorial/assets/services/db/ShoppingCartTableImpl.java b/tags/java/sca/1.3.1-RC0/tutorial/assets/services/db/ShoppingCartTableImpl.java new file mode 100644 index 0000000000..cfc52c563c --- /dev/null +++ b/tags/java/sca/1.3.1-RC0/tutorial/assets/services/db/ShoppingCartTableImpl.java @@ -0,0 +1,171 @@ +/* + * 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 services.db; + +import java.sql.Connection; +import java.sql.DriverManager; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Statement; +import java.util.ArrayList; +import java.util.List; +import java.util.UUID; + +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.NotFoundException; +import org.osoa.sca.ServiceRuntimeException; +import org.osoa.sca.annotations.Destroy; +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Property; + +import services.Cart; +import services.Item; +import services.Total; + +public class ShoppingCartTableImpl implements Cart, Total { + + @Property + public String database; + + private Connection connection; + + @Init + public void init() throws Exception { + Class.forName("org.apache.derby.jdbc.EmbeddedDriver", true, Thread.currentThread().getContextClassLoader()); + String baseDir = System.getProperty("basedir"); + String url = "jdbc:derby:directory:" + (baseDir != null? baseDir + "/" + database : database); + System.out.println("Connecting to database: " + url); + connection = DriverManager.getConnection(url, "", ""); + } + + @Destroy + public void shutdown() throws Exception { + if(connection != null) { + connection.close(); + connection = null; + } + } + + public Entry<String, Item>[] getAll() { + try { + Statement statement = connection.createStatement(); + ResultSet results = statement.executeQuery("select * from Cart"); + List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>(); + while (results.next()) { + Item item = new Item(results.getString("name"), results.getString("price")); + entries.add(new Entry<String, Item>(results.getString("id"), item)); + } + return entries.toArray(new Entry[entries.size()]); + } catch (SQLException e) { + throw new ServiceRuntimeException(e); + } + } + + public Item get(String key) throws NotFoundException { + try { + Statement statement = connection.createStatement(); + ResultSet results = statement.executeQuery("select * from Cart where id = '" + key + "'"); + if (results.next()) { + return new Item(results.getString("name"), results.getString("price")); + } else { + throw new NotFoundException(key); + } + } catch (SQLException e) { + throw new ServiceRuntimeException(e); + } + } + + public String post(String key, Item item) { + if (key == null) { + key = "cart-" + UUID.randomUUID().toString(); + } + try { + Statement statement = connection.createStatement(); + String query = "insert into Cart values ('" + key + "', '" + item.getName() + "', '" + item.getPrice() + "')"; + System.out.println(query); + statement.executeUpdate(query); + } catch (SQLException e) { + throw new ServiceRuntimeException(e); + } + return key; + } + + public void put(String key, Item item) throws NotFoundException { + try { + Statement statement = connection.createStatement(); + String query = "update into Cart set name = '" + item.getName() + "', price = '" + item.getPrice() + "' where id = '" + key + "'"; + System.out.println(query); + int count = statement.executeUpdate(query); + if (count == 0) + throw new NotFoundException(key); + } catch (SQLException e) { + throw new ServiceRuntimeException(e); + } + } + + public void delete(String key) throws NotFoundException { + try { + Statement statement = connection.createStatement(); + if (key == null || key.equals("")) { + String query = "delete from Cart"; + System.out.println(query); + statement.executeUpdate(query); + } else { + String query = "delete from Cart where id = '" + key + "'"; + System.out.println(query); + int count = statement.executeUpdate(query); + if (count == 0) + throw new NotFoundException(key); + } + } catch (SQLException e) { + throw new ServiceRuntimeException(e); + } + } + + public Entry<String, Item>[] query(String queryString) { + try { + Statement statement = connection.createStatement(); + ResultSet results = statement.executeQuery("select * from Cart where " + queryString); + List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>(); + while (results.next()) { + Item item = new Item(results.getString("name"), results.getString("price")); + entries.add(new Entry<String, Item>(results.getString("id"), item)); + } + return entries.toArray(new Entry[entries.size()]); + } catch (SQLException e) { + throw new ServiceRuntimeException(e); + } + } + + public String getTotal() { + Entry<String, Item>[] entries = getAll(); + double total = 0; + String currencySymbol = ""; + if (entries.length > 0) { + Item item = entries[0].getData(); + currencySymbol = item.getPrice().substring(0, 1); + } + for (Entry<String, Item> entry : entries) { + Item item = entry.getData(); + total += Double.valueOf(item.getPrice().substring(1)); + } + return currencySymbol + total; + } +} |