Java tutorial
/* * Copyright 2015 Adaptris Ltd. * * 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. */ package com.adaptris.core.services.jdbc; import static org.apache.commons.lang.StringUtils.isBlank; import java.sql.PreparedStatement; import java.sql.SQLException; import org.apache.commons.lang.math.NumberUtils; import com.adaptris.annotation.DisplayOrder; import com.adaptris.core.AdaptrisMessage; import com.adaptris.core.ServiceException; import com.thoughtworks.xstream.annotations.XStreamAlias; /** * {@link Long} Statement Parameter. * * <p> * If {@code convert-null} is true, then empty/blank/whitespace only values will default to 0. * </p> * * @config jdbc-long-statement-parameter * @author lchan * */ @XStreamAlias("jdbc-long-statement-parameter") @DisplayOrder(order = { "name", "queryString", "queryType" }) public class LongStatementParameter extends TypedStatementParameter { public LongStatementParameter() { super(); } public LongStatementParameter(String query, QueryType type, Boolean nullConvert, String name) { super(query, type, nullConvert, name); } @Override public void apply(int parameterIndex, PreparedStatement statement, AdaptrisMessage msg) throws SQLException, ServiceException { log.trace("Setting argument {} to [{}]", parameterIndex, getQueryValue(msg)); statement.setObject(parameterIndex, toLong(getQueryValue(msg))); } Long toLong(Object value) throws ServiceException { if (isBlank((String) value) && convertNull()) { return Long.valueOf(NumberUtils.toLong((String) value)); } else { return Long.valueOf((String) value); } } @Override public LongStatementParameter makeCopy() { return new LongStatementParameter(getQueryString(), getQueryType(), getConvertNull(), getName()); } }