/*************************GO-LICENSE-START*********************************
* Copyright 2014 ThoughtWorks, Inc.
*
* 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.
*************************GO-LICENSE-END***********************************/
package com.thoughtworks.go.config;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@ConfigAttributeValue(fieldName = "path", createForNull = false)
public class PathFromAncestor {
public static final String DELIMITER = "/";
private final CaseInsensitiveString path;
private List<CaseInsensitiveString> cachedPathToAncestor;
private List<CaseInsensitiveString> cachedPathIncludingAncestor;
private CaseInsensitiveString cachedAncestorName;
public PathFromAncestor(String path) {
this(new CaseInsensitiveString(path));
}
public PathFromAncestor(CaseInsensitiveString path) {
this.path = path;
}
private String path() {
return CaseInsensitiveString.str(path);
}
public CaseInsensitiveString getPath() {
return path;
}
public List<CaseInsensitiveString> pathToAncestor() {
if (cachedPathToAncestor == null) {
cachedPathToAncestor = Collections.unmodifiableList(pathToAncestor(0));
}
return cachedPathToAncestor;
}
public List<CaseInsensitiveString> pathIncludingAncestor() {
if (cachedPathIncludingAncestor == null) {
cachedPathIncludingAncestor = Collections.unmodifiableList(pathToAncestor(-1));
}
return cachedPathIncludingAncestor;
}
public CaseInsensitiveString getAncestorName() {
if (cachedAncestorName == null) {
String stringPath = path();
if (stringPath == null) {
return null;
}
int index = stringPath.indexOf(DELIMITER);
cachedAncestorName = index == -1 ? path : new CaseInsensitiveString(stringPath.substring(0, index));
}
return cachedAncestorName;
}
// cache parent name if required (like ancestor). currently used only for UI.
public CaseInsensitiveString getDirectParentName() {
String stringPath = path();
if (stringPath == null) {
return null;
}
int index = stringPath.lastIndexOf(DELIMITER);
return index == -1 ? path : new CaseInsensitiveString(stringPath.substring(index + 1, stringPath.length()));
}
private List<CaseInsensitiveString> pathToAncestor(int upTill) {
List<CaseInsensitiveString> fragments = new ArrayList<>();
String[] allFragments = path().split(DELIMITER);
for (int i = allFragments.length - 1; i > upTill; i--) {
fragments.add(new CaseInsensitiveString(allFragments[i]));
}
return fragments;
}
public boolean isAncestor() {
return path().contains("/");
}
@Override public String toString() {
return path();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
PathFromAncestor that = (PathFromAncestor) o;
if (path != null ? !path.equals(that.path) : that.path != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
return path != null ? path.hashCode() : 0;
}
}