org.bndly.rest.controller.impl.PathNode Maven / Gradle / Ivy
The newest version!
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%
*/
public class PathNode extends Node {
private final String elementName;
private final boolean variable;
private final SelectorNode selectorNode;
public PathNode(PathNode parent) {
this(parent, null);
}
public static final boolean isVariable(String elementName) {
return elementName != null && elementName.length() > 2 && elementName.charAt(0) == '{' && elementName.charAt(elementName.length() - 1) == '}';
}
public PathNode(PathNode parent, String elementName) {
super(parent);
this.elementName = elementName;
this.variable = isVariable(elementName);
selectorNode = new SelectorNode(this);
}
public SelectorNode getSelectorNode() {
return selectorNode;
}
public String getElementName() {
return elementName;
}
public boolean isVariable() {
return variable;
}
public boolean isRoot() {
return elementName == null;
}
@Override
public boolean hasBindings() {
if (hasChildren()) {
for (PathNode pathNode1 : getChildren()) {
if (pathNode1.hasBindings()) {
return true;
}
}
}
return selectorNode.hasBindings();
}
@Override
public void removeChild(Node child) {
if (PathNode.class.isInstance(child)) {
_removeChild((PathNode) child);
if (!hasChildren() && !isRoot()) {
if (parent == null) {
// this is the case, if this is the root path node
return;
}
parent.removeChild(this);
}
} else if (SelectorNode.class.isInstance(child)) {
if (!hasChildren()) {
if (parent == null) {
// this is the case, if this is the root path node
return;
}
parent.removeChild(this);
}
} else {
throw new IllegalStateException("path nodes do only contain path nodes or one selector node");
}
}
}