org.springframework.ldap.query.DefaultContainerCriteria Maven / Gradle / Ivy
/*
* Copyright 2005-2013 the original author or authors.
*
* 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 org.springframework.ldap.query;
import org.springframework.ldap.filter.Filter;
import javax.naming.Name;
import java.util.LinkedHashSet;
import java.util.Set;
import static org.springframework.ldap.query.CriteriaContainerType.AND;
import static org.springframework.ldap.query.CriteriaContainerType.OR;
/**
* @author Mattias Hellborg Arthursson
* @since 2.0
*/
class DefaultContainerCriteria implements AppendableContainerCriteria {
private final Set filters = new LinkedHashSet();
private final LdapQuery topQuery;
private CriteriaContainerType type;
DefaultContainerCriteria(LdapQuery topQuery) {
this.topQuery = topQuery;
}
@Override
public DefaultContainerCriteria append(Filter filter) {
this.filters.add(filter);
return this;
}
DefaultContainerCriteria withType(CriteriaContainerType newType) {
this.type = newType;
return this;
}
@Override
public ConditionCriteria and(String attribute) {
AND.validateSameType(type);
type = AND;
return new DefaultConditionCriteria(this, attribute);
}
@Override
public ConditionCriteria or(String attribute) {
OR.validateSameType(type);
type = OR;
return new DefaultConditionCriteria(this, attribute);
}
@Override
public ContainerCriteria and(ContainerCriteria nested) {
if(type == OR) {
return new DefaultContainerCriteria(topQuery)
.withType(AND)
.append(this.filter())
.append(nested.filter());
} else {
type = AND;
this.filters.add(nested.filter());
return this;
}
}
@Override
public ContainerCriteria or(ContainerCriteria nested) {
if (type == AND) {
return new DefaultContainerCriteria(topQuery)
.withType(OR)
.append(this.filter())
.append(nested.filter());
} else {
type = OR;
this.filters.add(nested.filter());
return this;
}
}
@Override
public Filter filter() {
if(filters.size() == 1) {
// No need to wrap in And/OrFilter if there's just one condition.
return filters.iterator().next();
}
return type.constructFilter().appendAll(filters);
}
@Override
public Name base() {
return topQuery.base();
}
@Override
public SearchScope searchScope() {
return topQuery.searchScope();
}
@Override
public Integer timeLimit() {
return topQuery.timeLimit();
}
@Override
public Integer countLimit() {
return topQuery.countLimit();
}
@Override
public String[] attributes() {
return topQuery.attributes();
}
}