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implemented a sync version of the jdbc component, fixed some minor er…
…ror reporting issues in the black/white list policies
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160
gateway/engine/core/src/main/java/io/apiman/gateway/engine/impl/DefaultJdbcComponent.java
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| @@ -0,0 +1,160 @@ | ||
| /* | ||
| * Copyright 2015 JBoss Inc | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
|
|
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| package io.apiman.gateway.engine.impl; | ||
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| import io.apiman.gateway.engine.async.AsyncResultImpl; | ||
| import io.apiman.gateway.engine.async.IAsyncResultHandler; | ||
| import io.apiman.gateway.engine.components.jdbc.IJdbcClient; | ||
| import io.apiman.gateway.engine.components.jdbc.IJdbcComponent; | ||
| import io.apiman.gateway.engine.components.jdbc.IJdbcConnection; | ||
| import io.apiman.gateway.engine.components.jdbc.JdbcOptionsBean; | ||
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| import java.sql.Connection; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Properties; | ||
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| import javax.sql.DataSource; | ||
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| import com.zaxxer.hikari.HikariConfig; | ||
| import com.zaxxer.hikari.HikariDataSource; | ||
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| /** | ||
| * A default implementation of the JDBC Component {@link IJdbcComponent}. | ||
| * | ||
| * @author eric.wittmann@redhat.com | ||
| */ | ||
| public class DefaultJdbcComponent implements IJdbcComponent { | ||
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| private Map<String, IJdbcClient> clients = new HashMap<>(); | ||
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| /** | ||
| * Constructor. | ||
| */ | ||
| public DefaultJdbcComponent() { | ||
| } | ||
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| /** | ||
| * @see io.apiman.gateway.engine.components.jdbc.IJdbcComponent#createShared(java.lang.String, io.apiman.gateway.engine.components.jdbc.JdbcOptionsBean) | ||
| */ | ||
| @Override | ||
| public synchronized IJdbcClient createShared(String dsName, JdbcOptionsBean config) { | ||
| if (clients.containsKey(dsName)) { | ||
| return clients.get(dsName); | ||
| } else { | ||
| DataSource ds = datasourceFromConfig(config); | ||
| DefaultJdbcClient client = new DefaultJdbcClient(ds); | ||
| clients.put(dsName, client); | ||
| return client; | ||
| } | ||
| } | ||
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| /** | ||
| * @see io.apiman.gateway.engine.components.jdbc.IJdbcComponent#createStandalone(io.apiman.gateway.engine.components.jdbc.JdbcOptionsBean) | ||
| */ | ||
| @Override | ||
| public IJdbcClient createStandalone(JdbcOptionsBean config) { | ||
| DataSource ds = datasourceFromConfig(config); | ||
| return new DefaultJdbcClient(ds); | ||
| } | ||
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| /** | ||
| * @see io.apiman.gateway.engine.components.jdbc.IJdbcComponent#create(javax.sql.DataSource) | ||
| */ | ||
| @Override | ||
| public IJdbcClient create(DataSource ds) { | ||
| return new DefaultJdbcClient(ds); | ||
| } | ||
|
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| /** | ||
| * Creates a datasource from the given jdbc config info. | ||
| * @param config | ||
| */ | ||
| @SuppressWarnings("nls") | ||
| protected DataSource datasourceFromConfig(JdbcOptionsBean config) { | ||
| Properties props = new Properties(); | ||
| props.putAll(config.getDsProperties()); | ||
| setConfigProperty(props, "jdbcUrl", config.getJdbcUrl()); | ||
| setConfigProperty(props, "username", config.getUsername()); | ||
| setConfigProperty(props, "password", config.getPassword()); | ||
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| setConfigProperty(props, "connectionTimeout", config.getConnectionTimeout()); | ||
| setConfigProperty(props, "idleTimeout", config.getIdleTimeout()); | ||
| setConfigProperty(props, "maxPoolSize", config.getMaximumPoolSize()); | ||
| setConfigProperty(props, "maxLifetime", config.getMaxLifetime()); | ||
| setConfigProperty(props, "minIdle", config.getMinimumIdle()); | ||
| setConfigProperty(props, "poolName", config.getPoolName()); | ||
| setConfigProperty(props, "autoCommit", config.isAutoCommit()); | ||
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| HikariConfig hikariConfig = new HikariConfig(props); | ||
| return new HikariDataSource(hikariConfig); | ||
| } | ||
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| /** | ||
| * Sets a configuration property, but only if it's not null. | ||
| * @param props | ||
| * @param propName | ||
| * @param value | ||
| */ | ||
| private void setConfigProperty(Properties props, String propName, Object value) { | ||
| if (value != null) { | ||
| props.setProperty(propName, String.valueOf(value)); | ||
| } | ||
| } | ||
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| /** | ||
| * JDBC client impl. | ||
| * @author eric.wittmann@redhat.com | ||
| */ | ||
| private static class DefaultJdbcClient implements IJdbcClient { | ||
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| protected DataSource ds; | ||
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| /** | ||
| * Constructor. | ||
| * @param ds | ||
| */ | ||
| public DefaultJdbcClient(DataSource ds) { | ||
| this.ds = ds; | ||
| } | ||
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| /** | ||
| * @see io.apiman.gateway.engine.components.jdbc.IJdbcClient#connect(io.apiman.gateway.engine.async.IAsyncResultHandler) | ||
| */ | ||
| @Override | ||
| public void connect(IAsyncResultHandler<IJdbcConnection> handler) { | ||
| IJdbcConnection jdbcConnection = null; | ||
| try { | ||
| Connection connection = ds.getConnection(); | ||
| jdbcConnection = new DefaultJdbcConnection(connection); | ||
| handler.handle(AsyncResultImpl.create(jdbcConnection)); | ||
| } catch (Exception e) { | ||
| handler.handle(AsyncResultImpl.create(e)); | ||
| } finally { | ||
| try { | ||
| if (!jdbcConnection.isClosed()) { | ||
| jdbcConnection.close(); | ||
| } | ||
| } catch (Exception e) { | ||
| // eat it | ||
| } | ||
| } | ||
| } | ||
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| } | ||
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| } |
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