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| package photospace.vfs; |
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| |
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| import java.io.*; |
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| import java.util.*; |
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| import org.apache.commons.logging.*; |
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| import photospace.beans.*; |
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| import photospace.meta.*; |
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| |
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| public class FileSystemBrowser |
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| implements java.io.Serializable, Browser |
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| { |
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| private static final Log log = LogFactory.getLog(FileSystemBrowser.class); |
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| |
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| private FileSystem filesystem; |
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| private Persister persister; |
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| private FileFilter filter = new PhotoFileFilter(); |
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| |
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4
| public void setFilesystem(FileSystem filesystem)
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| { |
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4
| this.filesystem = filesystem;
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| } |
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| |
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4
| public void setPersister(Persister persister)
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| { |
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4
| this.persister = persister;
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| } |
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| |
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3
| public FolderMeta browse(String path, int depth)
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| throws Exception |
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| { |
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3
| FolderMeta folder = browse(path, depth, 0);
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3
| assignParents(folder);
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3
| return folder;
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| } |
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| |
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3
| private void assignParents(FolderMeta folder)
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| throws Exception |
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| { |
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3
| File file = filesystem.getFile(folder.getPath());
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3
| FolderMeta parent = null;
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3
| FolderMeta child = folder;
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3
| while (!file.equals(filesystem.getRoot()))
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| { |
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0
| file = file.getParentFile();
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0
| parent = (FolderMeta) persister.getMeta(file);
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0
| child.setParent(parent);
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0
| child = parent;
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| } |
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| } |
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| |
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5
| private FolderMeta browse(String path, int depth, int current)
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| throws Exception |
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| { |
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5
| File root = filesystem.getFile(path);
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| |
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5
| if (!root.isDirectory())
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| { |
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0
| path = path.substring(0, path.lastIndexOf(root.getName()));
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0
| root = filesystem.getDirectory(path);
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| } |
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| |
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5
| FolderMeta dir = (FolderMeta) persister.getMeta(root);
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| |
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2
| if (depth != -1 && current >= depth) return dir;
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| |
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3
| File[] files = root.listFiles(filter);
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| |
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3
| for (int i = 0; i < files.length; i++)
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| { |
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5
| try
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| { |
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5
| if (files[i].isDirectory())
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| { |
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2
| String subPath = path + files[i].getName() + "/";
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2
| FolderMeta subDir = browse(subPath, depth, current + 1);
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2
| subDir.setParent(dir);
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2
| dir.addFile(subDir);
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| } |
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3
| else if (files[i].isFile())
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| { |
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3
| MediaMeta media = (MediaMeta) persister.getMeta(files[i]);
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3
| media.setName(files[i].getName());
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3
| media.setPath(path + files[i].getName());
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3
| dir.addFile(media);
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| } |
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| } |
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| catch (Exception e) |
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| { |
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0
| log.error("Exception fetching meta for " + files[i], e);
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| } |
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| } |
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3
| dir.sortFiles(new CreatedComparator());
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3
| return dir;
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| } |
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| |
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| } |
