| /* |
| * 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.mapper; |
| |
| import java.io.File; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.sling.api.resource.ValueMap; |
| import org.apache.sling.fsprovider.internal.mapper.valuemap.ValueMapUtil; |
| import org.apache.sling.fsprovider.internal.parser.ContentElement; |
| import org.apache.sling.fsprovider.internal.parser.ContentFileCache; |
| import org.apache.sling.jcr.contentparser.ContentType; |
| |
| /** |
| * Reference to a file that contains a content fragment (e.g. JSON, JCR XML). |
| */ |
| public final class ContentFile { |
| |
| private final File file; |
| private final String path; |
| private final String subPath; |
| private final ContentFileCache contentFileCache; |
| private final ContentType contentType; |
| private boolean contentInitialized; |
| private ContentElement content; |
| private ValueMap valueMap; |
| |
| /** |
| * @param file File with content fragment |
| * @param path Root path of the content file |
| * @param subPath Relative path addressing content fragment inside file |
| * @param contentFileCache Content file cache |
| */ |
| public ContentFile(File file, String path, String subPath, ContentFileCache contentFileCache) { |
| this(file, path, subPath, contentFileCache, null); |
| } |
| |
| /** |
| * @param file File with content fragment |
| * @param path Root path of the content file |
| * @param subPath Relative path addressing content fragment inside file |
| * @param contentFileCache Content file cache |
| * @param contentType Content type |
| */ |
| public ContentFile(File file, String path, String subPath, ContentFileCache contentFileCache, ContentType contentType) { |
| this.file = file; |
| this.path = path; |
| this.subPath = subPath; |
| this.contentFileCache = contentFileCache; |
| this.contentType = contentType; |
| } |
| |
| /** |
| * @return File with content fragment |
| */ |
| public File getFile() { |
| return file; |
| } |
| |
| /** |
| * @return Root path of content file |
| */ |
| public String getPath() { |
| return path; |
| } |
| |
| /** |
| * @return Relative path addressing content fragment inside file |
| */ |
| public String getSubPath() { |
| return subPath; |
| } |
| |
| /** |
| * Content object referenced by sub path. |
| * @return Map if resource, property value if property. |
| */ |
| public ContentElement getContent() { |
| if (!contentInitialized) { |
| ContentElement rootContent = contentFileCache.get(path, file, contentType); |
| if (subPath == null) { |
| content = rootContent; |
| } |
| else if (rootContent != null) { |
| content = rootContent.getChild(subPath); |
| } |
| contentInitialized = true; |
| } |
| return content; |
| } |
| |
| /** |
| * @return true if any content was found. |
| */ |
| public boolean hasContent() { |
| return getContent() != null; |
| } |
| |
| /** |
| * @return ValueMap for resource. Never null. |
| */ |
| public ValueMap getValueMap() { |
| if (valueMap == null) { |
| ContentElement currentContent = getContent(); |
| if (currentContent != null) { |
| valueMap = ValueMapUtil.toValueMap(currentContent.getProperties()); |
| } |
| else { |
| valueMap = ValueMap.EMPTY; |
| } |
| } |
| return valueMap; |
| } |
| |
| /** |
| * @return Child maps. |
| */ |
| public Iterator<Map.Entry<String,ContentElement>> getChildren() { |
| return getContent().getChildren().entrySet().iterator(); |
| } |
| |
| /** |
| * Navigate to another sub path position in content file. |
| * @param newSubPath New sub path related to root path of content file |
| * @return Content file |
| */ |
| public ContentFile navigateToAbsolute(String newSubPath) { |
| return new ContentFile(file, path, newSubPath, contentFileCache); |
| } |
| |
| /** |
| * Navigate to another sub path position in content file. |
| * @param newSubPath New sub path relative to current sub path in content file |
| * @return Content file |
| */ |
| public ContentFile navigateToRelative(String newSubPath) { |
| String absoluteSubPath; |
| if (newSubPath == null) { |
| absoluteSubPath = this.subPath; |
| } |
| else { |
| absoluteSubPath = (this.subPath != null ? this.subPath + "/" : "") + newSubPath; |
| } |
| return new ContentFile(file, path, absoluteSubPath, contentFileCache); |
| } |
| |
| } |