at.alladin.rmbt.db.fields.DoubleField.java Source code

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Here is the source code for at.alladin.rmbt.db.fields.DoubleField.java

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/*******************************************************************************
 * Copyright 2013-2014 alladin-IT GmbH
 * 
 * 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 at.alladin.rmbt.db.fields;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;

import org.json.JSONException;
import org.json.JSONObject;

public class DoubleField extends NumberFieldAdapter<Double> {
    private static final long serialVersionUID = 1L;

    public DoubleField(final String dbKey, final String jsonKey) {
        super(dbKey, jsonKey, false);
    }

    public DoubleField(final String dbKey, final String jsonKey, final boolean readOnly) {
        super(dbKey, jsonKey, readOnly);
    }

    @Override
    public void setField(final ResultSet rs) throws SQLException {
        value = rs.getDouble(dbKey);
        if (rs.wasNull())
            value = null;
    }

    @Override
    public void getField(final PreparedStatement ps, final int idx) throws SQLException {
        if (value == null)
            ps.setNull(idx, Types.DOUBLE);
        else
            ps.setDouble(idx, value);
    }

    @Override
    public void setField(final JSONObject obj) {
        if (jsonKey != null && obj.has(jsonKey))
            try {
                value = obj.getDouble(jsonKey);
            } catch (final JSONException e) {
                value = null;
            }
    }

    @Override
    public void setString(final String string) {
        value = Double.parseDouble(string);
    }

    public void setValue(final double value) {
        this.value = value;
    }

}