/
ItemWrapperComparator.java
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/
ItemWrapperComparator.java
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/*
* Copyright (c) 2010-2013 Evolveum
*
* 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.evolveum.midpoint.web.component.prism;
import com.evolveum.midpoint.prism.ItemDefinition;
import com.evolveum.midpoint.prism.PrismContainerDefinition;
import org.apache.commons.lang.StringUtils;
import java.io.Serializable;
import java.util.Comparator;
/**
* @author lazyman
*/
public class ItemWrapperComparator implements Comparator<ItemWrapper>, Serializable {
@Override
public int compare(ItemWrapper p1, ItemWrapper p2) {
ItemDefinition def1 = p1.getItemDefinition();
ItemDefinition def2 = p2.getItemDefinition();
if (isMainContainer(p1)) {
return -1;
}
if (isMainContainer(p2)) {
return 1;
}
if (def1 instanceof PrismContainerDefinition) {
return 1;
}
if (def2 instanceof PrismContainerDefinition) {
return 1;
}
Integer index1 = null;
if (def1 != null) {
index1 = def1.getDisplayOrder();
}
Integer index2 = def2.getDisplayOrder();
if (index1 != null && index2 != null) {
return index1 - index2;
} else if (index1 != null && index2 == null) {
return -1;
} else if (index1 == null && index2 != null) {
return 1;
} else if (index1 == index2) {
return 0;
}
return String.CASE_INSENSITIVE_ORDER.compare(getDisplayName(def1), getDisplayName(def2));
}
private String getDisplayName(ItemDefinition def) {
String displayName = def.getDisplayName();
if (StringUtils.isNotEmpty(displayName)) {
return displayName;
}
return def.getName().getLocalPart();
}
private boolean isMainContainer(ItemWrapper wrapper) {
if (!(wrapper instanceof ContainerWrapper)) {
return false;
}
ContainerWrapper container = (ContainerWrapper) wrapper;
return container.isMain();
}
}