hydrograph.ui.propertywindow.widgets.utility.GridComparator.java Source code

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Here is the source code for hydrograph.ui.propertywindow.widgets.utility.GridComparator.java

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/*******************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, 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.
 *******************************************************************************/

package hydrograph.ui.propertywindow.widgets.utility;

import hydrograph.ui.datastructure.property.FixedWidthGridRow;
import hydrograph.ui.datastructure.property.GenerateRecordSchemaGridRow;
import hydrograph.ui.datastructure.property.GridRow;
import hydrograph.ui.datastructure.property.MixedSchemeGridRow;

import java.util.Comparator;

import org.apache.commons.lang.StringUtils;

/**
 * The Class GridComparator.
 * 
 * @author Bitwise
 */

public class GridComparator implements Comparator<GridRow> {

    @Override
    public int compare(GridRow o1, GridRow o2) {
        int flag = o1.getFieldName().compareTo(o2.getFieldName());
        if (o1.getDataType() != null && flag == 0)
            flag = o1.getDataType().compareTo(o2.getDataType());
        if (o1.getScaleType() != null && flag == 0)
            flag = o1.getScaleType().compareTo(o2.getScaleType());
        if (o1.getDataTypeValue() != null && flag == 0)
            flag = o1.getDataTypeValue().compareTo(o2.getDataTypeValue());
        if (o1.getDateFormat() != null && flag == 0)
            flag = o1.getDateFormat().compareTo(o2.getDateFormat());
        if (o1.getDescription() != null && flag == 0)
            flag = o1.getDescription().compareTo(o2.getDescription());
        if (o1.getPrecision() != null && flag == 0)
            flag = o1.getPrecision().compareTo(o2.getPrecision());
        if (o1.getScale() != null && flag == 0)
            flag = o1.getScale().compareTo(o2.getScale());
        if (o1.getScaleTypeValue() != null && flag == 0)
            flag = o1.getScaleTypeValue().compareTo(o2.getScaleTypeValue());

        if (MixedSchemeGridRow.class.isAssignableFrom(o1.getClass())
                && MixedSchemeGridRow.class.isAssignableFrom(o2.getClass())) {
            if (flag == 0) {
                if (StringUtils.isNotBlank(((MixedSchemeGridRow) o1).getLength())
                        && StringUtils.isNotBlank(((MixedSchemeGridRow) o2).getLength()))
                    flag = ((MixedSchemeGridRow) o1).getLength().compareTo(((MixedSchemeGridRow) o2).getLength());
            }
            if (flag == 0) {
                if (StringUtils.isNotBlank(((MixedSchemeGridRow) o1).getDelimiter())
                        && StringUtils.isNotBlank(((MixedSchemeGridRow) o2).getDelimiter()))
                    flag = ((MixedSchemeGridRow) o1).getDelimiter()
                            .compareTo(((MixedSchemeGridRow) o2).getDelimiter());
            }
            return flag;
        }

        if (FixedWidthGridRow.class.isAssignableFrom(o1.getClass())
                && FixedWidthGridRow.class.isAssignableFrom(o2.getClass())) {
            if (StringUtils.isNotBlank(((FixedWidthGridRow) o1).getLength()))
                if (flag == 0)
                    flag = ((FixedWidthGridRow) o1).getLength().compareTo(((FixedWidthGridRow) o2).getLength());
            return flag;
        }
        if (GenerateRecordSchemaGridRow.class.isAssignableFrom(o1.getClass())
                && GenerateRecordSchemaGridRow.class.isAssignableFrom(o2.getClass())) {
            if (flag == 0)
                flag = ((GenerateRecordSchemaGridRow) o1).getLength()
                        .compareTo(((GenerateRecordSchemaGridRow) o2).getLength());
            if (flag == 0)
                flag = ((GenerateRecordSchemaGridRow) o1).getRangeFrom()
                        .compareTo(((GenerateRecordSchemaGridRow) o2).getRangeFrom());
            if (flag == 0)
                flag = ((GenerateRecordSchemaGridRow) o1).getRangeTo()
                        .compareTo(((GenerateRecordSchemaGridRow) o2).getRangeTo());
            if (flag == 0)
                flag = ((GenerateRecordSchemaGridRow) o1).getDefaultValue()
                        .compareTo(((GenerateRecordSchemaGridRow) o2).getDefaultValue());
        }

        return flag;
    }

}