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ACAttributeDto.java
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ACAttributeDto.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.assignment;
import com.evolveum.midpoint.common.StaticExpressionUtil;
import com.evolveum.midpoint.prism.*;
import com.evolveum.midpoint.util.exception.SchemaException;
import com.evolveum.midpoint.xml.ns._public.common.common_3.*;
import com.evolveum.prism.xml.ns._public.types_3.ItemPathType;
import com.evolveum.prism.xml.ns._public.types_3.RawType;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.Validate;
import javax.xml.bind.JAXBElement;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
/**
* @author lazyman
*/
public class ACAttributeDto implements Serializable {
public static final String F_NAME = "name";
public static final String F_VALUES = "values";
// construction.getRef should point to the same attribute as definition
private PrismPropertyDefinition definition;
private ResourceAttributeDefinitionType construction;
private List<ACValueConstructionDto> values;
private ACAttributeDto(PrismPropertyDefinition definition, ResourceAttributeDefinitionType construction) {
Validate.notNull(definition, "Prism property definition must not be null.");
Validate.notNull(construction, "Value construction must not be null.");
this.definition = definition;
this.construction = construction;
}
public static ACAttributeDto createACAttributeDto(PrismPropertyDefinition definition, ResourceAttributeDefinitionType construction,
PrismContext context) throws SchemaException {
ACAttributeDto dto = new ACAttributeDto(definition, construction);
dto.values = dto.createValues(context);
return dto;
}
public List<ACValueConstructionDto> getValues() {
if (values.isEmpty()) {
values.add(new ACValueConstructionDto(this, null));
}
return values;
}
private List<ACValueConstructionDto> createValues(PrismContext context) throws SchemaException {
List<ACValueConstructionDto> values = new ArrayList<>();
MappingType outbound = construction.getOutbound();
if (outbound == null || outbound.getExpression() == null) {
return values;
}
ExpressionType expression = outbound.getExpression();
if (expression.getExpressionEvaluator() != null) {
List<JAXBElement<?>> elements = expression.getExpressionEvaluator();
List<PrismValue> valueList = getExpressionValues(elements, context);
for (PrismValue value : valueList) {
if (!(value instanceof PrismPropertyValue)) {
//todo ignoring other values for now
continue;
}
values.add(new ACValueConstructionDto(this, ((PrismPropertyValue) value).getValue()));
}
}
return values;
}
private List<PrismValue> getExpressionValues(List<JAXBElement<?>> elements, PrismContext context) throws SchemaException {
if (elements == null || elements.isEmpty()) {
return null;
}
Item item = StaticExpressionUtil.parseValueElements(elements, definition, "gui");
return item.getValues();
}
public PrismPropertyDefinition getDefinition() {
return definition;
}
public String getName() {
String name = definition.getDisplayName();
return StringUtils.isNotEmpty(name) ? name : definition.getItemName().getLocalPart();
}
public boolean isEmpty() {
List<ACValueConstructionDto> values = getValues();
if (values.isEmpty()) {
return true;
}
for (ACValueConstructionDto dto : values) {
if (dto.getValue() != null) {
return false;
}
}
return true;
}
public ResourceAttributeDefinitionType getConstruction(PrismContext prismContext) throws SchemaException {
if (isEmpty()) {
return null;
}
ResourceAttributeDefinitionType attrConstruction = new ResourceAttributeDefinitionType();
if (construction != null && construction.getRef() != null) {
attrConstruction.setRef(construction.getRef()); // preserves original ref (including xmlns prefix!) - in order to avoid false deltas when comparing old and new values
} else {
attrConstruction.setRef(new ItemPathType(definition.getItemName()));
}
MappingType outbound;
if (construction != null && construction.getOutbound() != null) {
outbound = construction.getOutbound().clone();
} else {
outbound = new MappingType();
outbound.setStrength(MappingStrengthType.STRONG);
}
attrConstruction.setOutbound(outbound);
ExpressionType expression = new ExpressionType();
outbound.setExpression(expression);
List<ACValueConstructionDto> values = getValues();
PrismProperty property = definition.instantiate();
property.revive(prismContext); // needed in serializeValueElements below
for (ACValueConstructionDto dto : values) {
if (dto.getValue() == null) {
continue;
}
property.addRealValue(dto.getValue());
}
List evaluators = expression.getExpressionEvaluator();
List<JAXBElement<RawType>> collection = StaticExpressionUtil.serializeValueElements(property, null);
ObjectFactory of = new ObjectFactory();
for (JAXBElement<RawType> evaluator : collection) {
evaluators.add(evaluator);
}
if (evaluators.isEmpty()) {
return null;
}
return attrConstruction;
}
}