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package org.bndly.rest.controller.impl;
/*-
* #%L
* REST Controller Impl
* %%
* Copyright (C) 2013 - 2020 Cybercon GmbH
* %%
* 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.
* #L%
*/
import org.bndly.rest.controller.api.ControllerBinding;
import org.bndly.rest.api.HTTPMethod;
public class MethodNode extends Node {
private final HTTPMethod httpMethod;
private final ControllerBinding binding;
public MethodNode(Node parent) {
this(parent, null, null);
}
public MethodNode(Node parent, HTTPMethod httpMethod, ControllerBinding binding) {
super(parent);
if (httpMethod == null && binding != null) {
throw new IllegalArgumentException("a method node is either nulled completly or has http method and controller binding.");
}
if (httpMethod != null && binding == null) {
throw new IllegalArgumentException("a method node is either nulled completly or has http method and controller binding.");
}
this.httpMethod = httpMethod;
this.binding = binding;
}
public ControllerBinding getBinding() {
return binding;
}
@Override
public void addChild(MethodNode child) {
if (httpMethod != null) {
throw new IllegalStateException("http methods can not be used hierarchically");
}
super.addChild(child);
}
public HTTPMethod getHttpMethod() {
return httpMethod;
}
@Override
public void removeChild(Node child) {
if (MethodNode.class.isInstance(child)) {
_removeChild((MethodNode) child);
if (!hasChildren()) {
parent.removeChild(this);
}
} else {
throw new IllegalStateException("method nodes do only contain method nodes");
}
}
@Override
public boolean hasBindings() {
if (hasChildren()) {
for (MethodNode methodNode : getChildren()) {
if (methodNode.hasBindings()) {
return true;
}
}
return false;
} else {
return binding != null;
}
}
}