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/*
* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.wildfly.security.auth.client;
/**
* @author David M. Lloyd
*/
class RuleNode {
final RuleNode next;
final MatchRule rule;
final T configuration;
RuleNode(final RuleNode next, final MatchRule rule, final T configuration) {
this.next = next;
this.rule = rule;
this.configuration = configuration;
}
RuleNode getNext() {
return next;
}
MatchRule getRule() {
return rule;
}
T getConfiguration() {
return configuration;
}
RuleNode without(int idx) {
if (idx < 0) {
throw new IndexOutOfBoundsException();
}
final RuleNode next = this.next;
if (idx == 0) {
return next;
}
if (next == null) {
throw new IndexOutOfBoundsException();
}
return new RuleNode(next.without(idx - 1), rule, configuration);
}
RuleNode with(MatchRule rule, T configuration, int idx) {
if (idx < 0) {
throw new IndexOutOfBoundsException();
}
if (idx == 0) {
return new RuleNode(this, rule, configuration);
}
final RuleNode next = this.next;
if (next == null) {
throw new IndexOutOfBoundsException();
}
return new RuleNode(next.with(rule, configuration, idx - 1), this.rule, this.configuration);
}
RuleNode with(final MatchRule rule, final T configuration) {
return withAll(new RuleNode(null, rule, configuration));
}
RuleNode withAll(RuleNode other) {
final RuleNode next = this.next;
if (next == null) {
return new RuleNode(other, rule, configuration);
} else {
return new RuleNode(next.withAll(other), rule, configuration);
}
}
RuleNode withAll(final RuleNode authRules, final int idx) {
if (idx < 0) {
throw new IndexOutOfBoundsException();
}
if (idx == 0) {
return authRules.withAll(this);
}
final RuleNode next = this.next;
if (next == null) {
throw new IndexOutOfBoundsException();
}
return new RuleNode(next.withAll(authRules, idx - 1), rule, configuration);
}
RuleNode replacing(final MatchRule rule, final T configuration, final int idx) {
if (idx < 0) {
throw new IndexOutOfBoundsException();
}
final RuleNode next = this.next;
if (idx == 0) {
return new RuleNode(next, rule, configuration);
}
if (next == null) {
throw new IndexOutOfBoundsException();
}
return new RuleNode(next.replacing(rule, configuration, idx - 1), this.rule, this.configuration);
}
}
