com.adaptris.core.services.jdbc.DoubleStatementParameter.java Source code

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Here is the source code for com.adaptris.core.services.jdbc.DoubleStatementParameter.java

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/*
 * 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 Double} Statement Parameter.
 * 
 * <p>
 * If {@code convert-null} is true, then empty/blank/whitespace only values will default to 0.
 * </p>
 * @config jdbc-double-statement-parameter
 * @author lchan
 * 
 */
@XStreamAlias("jdbc-double-statement-parameter")
@DisplayOrder(order = { "name", "queryString", "queryType" })
public class DoubleStatementParameter extends TypedStatementParameter {

    public DoubleStatementParameter() {
        super();
    }

    public DoubleStatementParameter(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, toDouble(getQueryValue(msg)));
    }

    Double toDouble(Object value) throws ServiceException {
        if (isBlank((String) value) && convertNull()) {
            return Double.valueOf(NumberUtils.toDouble((String) value));
        } else {
            return Double.valueOf((String) value);
        }
    }

    @Override
    public DoubleStatementParameter makeCopy() {
        return new DoubleStatementParameter(getQueryString(), getQueryType(), getConvertNull(), getName());
    }

}