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package com.gitblit.models;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import com.gitblit.utils.StringUtils;
public class TreeNodeModel implements Serializable, Comparable<TreeNodeModel> {
private static final long serialVersionUID = 1L;
final TreeNodeModel parent;
final String name;
final List<TreeNodeModel> subFolders = new ArrayList<>();
final List<RepositoryModel> repositories = new ArrayList<>();
/**
* Create a new tree root
*/
public TreeNodeModel() {
this.name = "/";
this.parent = null;
}
protected TreeNodeModel(String name, TreeNodeModel parent) {
this.name = name;
this.parent = parent;
}
public int getDepth() {
if(parent == null) {
return 0;
}else {
return parent.getDepth() +1;
}
}
/**
* Add a new sub folder to the current folder
*
* @param subFolder the subFolder to create
* @return the newly created folder to allow chaining
*/
public TreeNodeModel add(String subFolder) {
TreeNodeModel n = new TreeNodeModel(subFolder, this);
subFolders.add(n);
Collections.sort(subFolders);
return n;
}
/**
* Add the given repo to the current folder
*
* @param repo
*/
public void add(RepositoryModel repo) {
repositories.add(repo);
Collections.sort(repositories);
}
/**
* Adds the given repository model within the given path. Creates parent folders if they do not exist
*
* @param path
* @param model
*/
public void add(String path, RepositoryModel model) {
TreeNodeModel folder = getSubTreeNode(this, path, true);
folder.add(model);
}
@Override
public String toString() {
String string = name + "\n";
for(TreeNodeModel n : subFolders) {
string += "f";
for(int i = 0; i < n.getDepth(); i++) {
string += "-";
}
string += n.toString();
}
for(RepositoryModel n : repositories) {
string += "r";
for(int i = 0; i < getDepth()+1; i++) {
string += "-";
}
string += n.toString() + "\n";
}
return string;
}
public boolean containsSubFolder(String path) {
return containsSubFolder(this, path);
}
public TreeNodeModel getSubFolder(String path) {
return getSubTreeNode(this, path, false);
}
public List<Serializable> getTreeAsListForFrontend(){
List<Serializable> l = new ArrayList<>();
getTreeAsListForFrontend(l, this);
return l;
}
private static void getTreeAsListForFrontend(List<Serializable> list, TreeNodeModel node) {
list.add(node);
for(TreeNodeModel t : node.subFolders) {
getTreeAsListForFrontend(list, t);
}
for(RepositoryModel r : node.repositories) {
list.add(r);
}
}
private static TreeNodeModel getSubTreeNode(TreeNodeModel node, String path, boolean create) {
if(!StringUtils.isEmpty(path)) {
boolean isPathInCurrentHierarchyLevel = path.lastIndexOf('/') < 0;
if(isPathInCurrentHierarchyLevel) {
for(TreeNodeModel t : node.subFolders) {
if(t.name.equals(path) ) {
return t;
}
}
if(create) {
node.add(path);
return getSubTreeNode(node, path, true);
}
}else {
//traverse into subFolder
String folderInCurrentHierarchyLevel = StringUtils.getFirstPathElement(path);
for(TreeNodeModel t : node.subFolders) {
if(t.name.equals(folderInCurrentHierarchyLevel) ) {
String folderInNextHierarchyLevel = path.substring(path.indexOf('/') + 1, path.length());
return getSubTreeNode(t, folderInNextHierarchyLevel, create);
}
}
if(create) {
String folderInNextHierarchyLevel = path.substring(path.indexOf('/') + 1, path.length());
return getSubTreeNode(node.add(folderInCurrentHierarchyLevel), folderInNextHierarchyLevel, true);
}
}
}
return null;
}
private static boolean containsSubFolder(TreeNodeModel node, String path) {
return getSubTreeNode(node, path, false) != null;
}
@Override
public int compareTo(TreeNodeModel t) {
return StringUtils.compareRepositoryNames(name, t.name);
}
public TreeNodeModel getParent() {
return parent;
}
public String getName() {
return name;
}
public List<TreeNodeModel> getSubFolders() {
return subFolders;
}
public List<RepositoryModel> getRepositories() {
return repositories;
}
}
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