org.argeo.jcr/src/org/argeo/jcr/fs/JcrBasicfileAttributes.java

   1 package org.argeo.jcr.fs;
   2
   3 import java.nio.file.attribute.FileTime;
   4 import java.time.Instant;
   5
   6 import javax.jcr.Binary;
   7 import javax.jcr.Node;
   8 import javax.jcr.Property;
   9 import javax.jcr.RepositoryException;
  10 import javax.jcr.nodetype.NodeType;
  11
  12 import org.argeo.jcr.JcrUtils;
  13
  14 public class JcrBasicfileAttributes implements NodeFileAttributes {
  15         private final Node node;
  16
  17         private FileTime EPOCH = FileTime.fromMillis(0);
  18
  19         public JcrBasicfileAttributes(Node node) {
  20                 if (node == null)
  21                         throw new JcrFsException("Node underlying the attributes cannot be null");
  22                 this.node = node;
  23         }
  24
  25         @Override
  26         public FileTime lastModifiedTime() {
  27                 try {
  28                         if (node.isNodeType(NodeType.MIX_LAST_MODIFIED)) {
  29                                 Instant instant = node.getProperty(Property.JCR_LAST_MODIFIED).getDate().toInstant();
  30                                 return FileTime.from(instant);
  31                         }
  32                         return EPOCH;
  33                 } catch (RepositoryException e) {
  34                         throw new JcrFsException("Cannot get last modified time", e);
  35                 }
  36         }
  37
  38         @Override
  39         public FileTime lastAccessTime() {
  40                 return lastModifiedTime();
  41         }
  42
  43         @Override
  44         public FileTime creationTime() {
  45                 try {
  46                         if (node.isNodeType(NodeType.MIX_CREATED)) {
  47                                 Instant instant = node.getProperty(Property.JCR_CREATED).getDate().toInstant();
  48                                 return FileTime.from(instant);
  49                         }
  50                         return EPOCH;
  51                 } catch (RepositoryException e) {
  52                         throw new JcrFsException("Cannot get creation time", e);
  53                 }
  54         }
  55
  56         @Override
  57         public boolean isRegularFile() {
  58                 try {
  59                         return node.isNodeType(NodeType.NT_FILE);
  60                 } catch (RepositoryException e) {
  61                         throw new JcrFsException("Cannot check if regular file", e);
  62                 }
  63         }
  64
  65         @Override
  66         public boolean isDirectory() {
  67                 try {
  68                         if (node.isNodeType(NodeType.NT_FOLDER))
  69                                 return true;
  70                         // all other non file nodes
  71                         return !(node.isNodeType(NodeType.NT_FILE) || node.isNodeType(NodeType.NT_LINKED_FILE));
  72                 } catch (RepositoryException e) {
  73                         throw new JcrFsException("Cannot check if directory", e);
  74                 }
  75         }
  76
  77         @Override
  78         public boolean isSymbolicLink() {
  79                 try {
  80                         return node.isNodeType(NodeType.NT_LINKED_FILE);
  81                 } catch (RepositoryException e) {
  82                         throw new JcrFsException("Cannot check if linked file", e);
  83                 }
  84         }
  85
  86         @Override
  87         public boolean isOther() {
  88                 return !(isDirectory() || isRegularFile() || isSymbolicLink());
  89         }
  90
  91         @Override
  92         public long size() {
  93                 if (isRegularFile()) {
  94                         Binary binary = null;
  95                         try {
  96                                 binary = node.getNode(Property.JCR_CONTENT).getProperty(Property.JCR_DATA).getBinary();
  97                                 return binary.getSize();
  98                         } catch (RepositoryException e) {
  99                                 throw new JcrFsException("Cannot check size", e);
 100                         } finally {
 101                                 JcrUtils.closeQuietly(binary);
 102                         }
 103                 }
 104                 return -1;
 105         }
 106
 107         @Override
 108         public Object fileKey() {
 109                 return null;
 110         }
 111
 112         @Override
 113         public Node getNode() {
 114                 return node;
 115         }
 116
 117 }