| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.sling.resource.inventory.impl; |
| |
| import java.util.Iterator; |
| |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.commons.json.JSONException; |
| import org.apache.sling.commons.json.JSONObject; |
| |
| public class ResourceTraversor { |
| |
| private final JSONObject startObject; |
| |
| private final Resource startResource; |
| |
| public ResourceTraversor(final Resource resource) |
| throws JSONException { |
| this.startResource = resource; |
| this.startObject = this.adapt(resource); |
| } |
| |
| /** |
| * Recursive descent from startResource, collecting JSONObjects into |
| * startObject. |
| * @throws JSONException |
| */ |
| public void collectResources() throws JSONException { |
| collectChildren(startResource, this.startObject); |
| } |
| |
| /** |
| * @param resource |
| * @param currentLevel |
| * @throws JSONException |
| */ |
| private void collectChildren(final Resource resource, |
| final JSONObject jsonObj) |
| throws JSONException { |
| |
| final Iterator<Resource> children = resource.listChildren(); |
| while (children.hasNext()) { |
| final Resource res = children.next(); |
| final JSONObject json = collectResource(res, jsonObj); |
| collectChildren(res, json); |
| } |
| } |
| |
| /** |
| * Adds a resource in the JSON tree. |
| * |
| * @param resource The resource to add |
| * @param level The level where this resource is located. |
| * @throws JSONException |
| */ |
| private JSONObject collectResource(final Resource resource, final JSONObject parent) |
| throws JSONException { |
| final JSONObject o = adapt(resource); |
| parent.put(resource.getName(), o); |
| return o; |
| } |
| |
| /** |
| * Adapt a Resource to a JSON Object. |
| * |
| * @param resource The resource to adapt. |
| * @return The JSON representation of the Resource |
| * @throws JSONException |
| */ |
| private JSONObject adapt(final Resource resource) throws JSONException { |
| return JsonObjectCreator.create(resource); |
| } |
| |
| public JSONObject getJSONObject() { |
| return startObject; |
| } |
| } |