/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.cyclop.web.components.column;
import javax.inject.Inject;
import javax.inject.Named;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.basic.Label;
import org.cyclop.model.CqlColumnValue;
import org.cyclop.model.CqlDataType;
import org.cyclop.model.CqlExtendedColumnName;
import org.cyclop.model.CqlPartitionKey;
import org.cyclop.model.CqlPartitionKeyValue;
import org.cyclop.service.converter.DataConverter;
import org.cyclop.service.converter.DataExtractor;
import com.datastax.driver.core.DataType;
import com.datastax.driver.core.Row;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
/** @author Maciej Miklas */
@Named
public class WidgetFactory {
@Inject
private DataExtractor extractor;
protected WidgetFactory() {
}
private Component createForCollection(Row row, CqlPartitionKeyValue cqlPartitionKeyValue,
CqlExtendedColumnName column, String componentId) {
ImmutableList<CqlColumnValue> content = extractor.extractCollection(row, column);
Component comp;
if (content.isEmpty()) {
comp = createForEmptyColumn(componentId);
} else {
comp = new CollectionViewPanel(componentId, cqlPartitionKeyValue, content);
}
return comp;
}
public Component createForColumn(Row row, CqlPartitionKey partitionKey, CqlExtendedColumnName column,
String componentId) {
Component component = createForDataType(row, partitionKey, column, componentId);
if (component == null) {
component = createForEmptyColumn(componentId);
}
return component;
}
private Component createForDataType(Row row, CqlPartitionKey partitionKey, CqlExtendedColumnName column,
String componentId) {
String partLc = column.partLc;
if (row == null || row.isNull(partLc)) {
return null;
}
CqlPartitionKeyValue cqlPartitionKeyValue = null;
if (partitionKey != null) {
cqlPartitionKeyValue = extractor.extractPartitionKey(row, partitionKey);
}
Component component;
CqlDataType dataType = column.dataType;
if (dataType.name == DataType.Name.SET || dataType.name == DataType.Name.LIST) {
component = createForCollection(row, cqlPartitionKeyValue, column, componentId);
} else if (dataType.name == DataType.Name.MAP) {
component = createForMap(row, cqlPartitionKeyValue, column, componentId);
} else {
component = createForSingleValue(row, cqlPartitionKeyValue, column, componentId);
}
return component;
}
private Label createForEmptyColumn(String componentId) {
return new Label(componentId, DataConverter.EMPTY_COL_VALUE);
}
private Component createForMap(Row row, CqlPartitionKeyValue cqlPartitionKeyValue, CqlExtendedColumnName column,
String componentId) {
ImmutableMap<CqlColumnValue, CqlColumnValue> displayMap = extractor.extractMap(row, column);
Component comp;
if (displayMap.isEmpty()) {
comp = createForEmptyColumn(componentId);
} else {
comp = new MapViewPanel(componentId, cqlPartitionKeyValue, displayMap);
}
return comp;
}
private Component createForSingleValue(Row row, CqlPartitionKeyValue cqlPartitionKeyValue,
CqlExtendedColumnName column, String componentId) {
CqlColumnValue cqlColumnValue = extractor.extractSingleValue(row, column);
Component component = new ColumnValuePanel(componentId, cqlPartitionKeyValue, cqlColumnValue, false);
return component;
}
}