com.gs.obevocomparer.input.field.DoubleField Maven / Gradle / Ivy

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/**
 * Copyright 2017 Goldman Sachs.
 * 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.gs.obevocomparer.input.field;

public class DoubleField extends AbstractDerivedField {

    private final boolean allowBlanks;

    public DoubleField(String field) {
        this(field, true);
    }

    public DoubleField(String field, boolean allowBlanks) {
        this(field, field, allowBlanks);
    }

    public DoubleField(String sourceField, String targetField) {
        this(sourceField, targetField, true);
    }

    public DoubleField(String sourceField, String targetField, boolean allowBlanks) {
        super(sourceField, targetField, String.class);
        this.allowBlanks = allowBlanks;
    }

    protected Object getValue(String sourceValue) {
        if (this.allowBlanks && sourceValue.trim().length() == 0) {
            return null;
        }

        return Double.valueOf(sourceValue);
    }
}