| /* |
| * 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.fsprovider.internal.parser; |
| |
| import java.util.Map; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.sling.jcr.contentparser.ContentHandler; |
| |
| /** |
| * {@link ContentHandler} implementation that produces a tree of {@link ContentElement} items. |
| */ |
| final class ContentElementHandler implements ContentHandler { |
| |
| private ContentElement root; |
| private Pattern PATH_PATTERN = Pattern.compile("^((/[^/]+)*)(/([^/]+))$"); |
| |
| @Override |
| public void resource(String path, Map<String, Object> properties) { |
| if (StringUtils.equals(path, "/")) { |
| root = new ContentElementImpl(null, properties); |
| } |
| else { |
| if (root == null) { |
| throw new RuntimeException("Root resource not set."); |
| } |
| Matcher matcher = PATH_PATTERN.matcher(path); |
| if (!matcher.matches()) { |
| throw new RuntimeException("Unexpected path:" + path); |
| } |
| String relativeParentPath = StringUtils.stripStart(matcher.group(1), "/"); |
| String name = matcher.group(4); |
| ContentElement parent; |
| if (StringUtils.isEmpty(relativeParentPath)) { |
| parent = root; |
| } |
| else { |
| parent = root.getChild(relativeParentPath); |
| } |
| if (parent == null) { |
| throw new RuntimeException("Parent '" + relativeParentPath + "' does not exist."); |
| } |
| parent.getChildren().put(name, new ContentElementImpl(name, properties)); |
| } |
| } |
| |
| public ContentElement getRoot() { |
| return root; |
| } |
| |
| } |