| /* |
| * 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.sfsresource.impl; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.sling.api.resource.AbstractResource; |
| import org.apache.sling.api.resource.ResourceMetadata; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.ValueMap; |
| import org.apache.sling.api.wrappers.ValueMapDecorator; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| public class FileResource extends AbstractResource { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(FileResource.class); |
| |
| /** |
| * The resource type for file system files mapped into the resource tree by the |
| * {@link SFSResourceProvider} (value is "nt:file"). |
| */ |
| static final String RESOURCE_TYPE_FILE = "nt:file"; |
| |
| /** |
| * The resource type for file system folders mapped into the resource tree by |
| * the {@link SFSResourceProvider} (value is "nt:folder"). |
| */ |
| static final String RESOURCE_TYPE_FOLDER = "nt:folder"; |
| |
| private final ResourceResolver resolver; |
| private final String path; |
| private final File file; |
| |
| private final ResourceMetadata metadata; |
| |
| public FileResource(final ResourceResolver resourceResolver, final String path, final File file) { |
| this.resolver = resourceResolver; |
| this.path = path; |
| this.file = file; |
| this.metadata = new ResourceMetadata(); |
| this.metadata.setModificationTime(file.lastModified()); |
| this.metadata.setResolutionPath(path); |
| if (file.isFile()) { |
| this.metadata.setContentLength(file.length()); |
| } |
| } |
| |
| @Override |
| public String getPath() { |
| return path; |
| } |
| |
| @Override |
| public String getResourceType() { |
| return this.file.isDirectory() ? RESOURCE_TYPE_FOLDER : RESOURCE_TYPE_FILE; |
| } |
| |
| @Override |
| public String getResourceSuperType() { |
| return null; |
| } |
| |
| @Override |
| public ResourceMetadata getResourceMetadata() { |
| return metadata; |
| } |
| |
| @Override |
| public ResourceResolver getResourceResolver() { |
| return resolver; |
| } |
| |
| /** |
| * Returns an adapter for this resource. This implementation supports |
| * <code>File</code>, <code>InputStream</code> and <code>URL</code> plus those |
| * supported by the adapter manager. |
| */ |
| @Override |
| public <AdapterType> AdapterType adaptTo(final Class<AdapterType> type) { |
| if (type == File.class) { |
| return type.cast(this.file); |
| } else if (type == InputStream.class) { |
| if (file.isFile() && file.canRead()) { |
| try { |
| return type.cast(new FileInputStream(file)); |
| } catch (final IOException ioe) { |
| LOGGER.info("adaptTo: Cannot open a stream on the file " + file, ioe); |
| } |
| } else { |
| LOGGER.debug("adaptTo: File {} is not a readable file", file); |
| } |
| } else if (type == URL.class) { |
| try { |
| return type.cast(file.toURI().toURL()); |
| } catch (MalformedURLException mue) { |
| LOGGER.info("adaptTo: Cannot convert the file path " + file + " to an URL", mue); |
| } |
| } else if (type == ValueMap.class) { |
| return type.cast(getValueMap()); |
| } |
| |
| return super.adaptTo(type); |
| } |
| |
| @Override |
| public ValueMap getValueMap() { |
| Map<String, Object> props = new HashMap<>(); |
| props.put("sling:resourceType", getResourceType()); |
| |
| return new ValueMapDecorator(props); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + ", path: " + path + ", file: " + file; |
| } |
| } |