+++ /dev/null
-package org.argeo.jcr.fs;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.nio.file.FileSystem;
-import java.nio.file.LinkOption;
-import java.nio.file.Path;
-import java.nio.file.WatchEvent.Kind;
-import java.nio.file.WatchEvent.Modifier;
-import java.nio.file.WatchKey;
-import java.nio.file.WatchService;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.NoSuchElementException;
-
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-
-/** A {@link Path} which contains a reference to a JCR {@link Node}. */
-public class JcrPath implements Path {
- final static String separator = "/";
- final static char separatorChar = '/';
-
- private final JcrFileSystem fs;
- /** null for non absolute paths */
- private final WorkspaceFileStore fileStore;
- private final String[] path;// null means root
- private final boolean absolute;
-
- // optim
- private final int hashCode;
-
- public JcrPath(JcrFileSystem filesSystem, String path) {
- this.fs = filesSystem;
- if (path == null)
- throw new JcrFsException("Path cannot be null");
- if (path.equals(separator)) {// root
- this.path = null;
- this.absolute = true;
- this.hashCode = 0;
- this.fileStore = fs.getBaseFileStore();
- return;
- } else if (path.equals("")) {// empty path
- this.path = new String[] { "" };
- this.absolute = false;
- this.fileStore = null;
- this.hashCode = "".hashCode();
- return;
- }
-
- if (path.equals("~")) {// home
- path = filesSystem.getUserHomePath();
- if (path == null)
- throw new JcrFsException("No home directory available");
- }
-
- this.absolute = path.charAt(0) == separatorChar ? true : false;
-
- this.fileStore = absolute ? fs.getFileStore(path) : null;
-
- String trimmedPath = path.substring(absolute ? 1 : 0,
- path.charAt(path.length() - 1) == separatorChar ? path.length() - 1 : path.length());
- this.path = trimmedPath.split(separator);
- for (int i = 0; i < this.path.length; i++) {
- this.path[i] = Text.unescapeIllegalJcrChars(this.path[i]);
- }
- this.hashCode = this.path[this.path.length - 1].hashCode();
- assert !(absolute && fileStore == null);
- }
-
- public JcrPath(JcrFileSystem filesSystem, Node node) throws RepositoryException {
- this(filesSystem, filesSystem.getFileStore(node).toFsPath(node));
- }
-
- /** Internal optimisation */
- private JcrPath(JcrFileSystem filesSystem, WorkspaceFileStore fileStore, String[] path, boolean absolute) {
- this.fs = filesSystem;
- this.path = path;
- this.absolute = path == null ? true : absolute;
- if (this.absolute && fileStore == null)
- throw new IllegalArgumentException("Absolute path requires a file store");
- if (!this.absolute && fileStore != null)
- throw new IllegalArgumentException("A file store should not be provided for a relative path");
- this.fileStore = fileStore;
- this.hashCode = path == null ? 0 : path[path.length - 1].hashCode();
- assert !(absolute && fileStore == null);
- }
-
- @Override
- public FileSystem getFileSystem() {
- return fs;
- }
-
- @Override
- public boolean isAbsolute() {
- return absolute;
- }
-
- @Override
- public Path getRoot() {
- if (path == null)
- return this;
- return new JcrPath(fs, separator);
- }
-
- @Override
- public String toString() {
- return toFsPath(path);
- }
-
- private String toFsPath(String[] path) {
- if (path == null)
- return "/";
- StringBuilder sb = new StringBuilder();
- if (isAbsolute())
- sb.append('/');
- for (int i = 0; i < path.length; i++) {
- if (i != 0)
- sb.append('/');
- sb.append(path[i]);
- }
- return sb.toString();
- }
-
-// @Deprecated
-// private String toJcrPath() {
-// return toJcrPath(path);
-// }
-//
-// @Deprecated
-// private String toJcrPath(String[] path) {
-// if (path == null)
-// return "/";
-// StringBuilder sb = new StringBuilder();
-// if (isAbsolute())
-// sb.append('/');
-// for (int i = 0; i < path.length; i++) {
-// if (i != 0)
-// sb.append('/');
-// sb.append(Text.escapeIllegalJcrChars(path[i]));
-// }
-// return sb.toString();
-// }
-
- @Override
- public Path getFileName() {
- if (path == null)
- return null;
- return new JcrPath(fs, path[path.length - 1]);
- }
-
- @Override
- public Path getParent() {
- if (path == null)
- return null;
- if (path.length == 1)// root
- return new JcrPath(fs, separator);
- String[] parentPath = Arrays.copyOfRange(path, 0, path.length - 1);
- if (!absolute)
- return new JcrPath(fs, null, parentPath, absolute);
- else
- return new JcrPath(fs, toFsPath(parentPath));
- }
-
- @Override
- public int getNameCount() {
- if (path == null)
- return 0;
- return path.length;
- }
-
- @Override
- public Path getName(int index) {
- if (path == null)
- return null;
- return new JcrPath(fs, path[index]);
- }
-
- @Override
- public Path subpath(int beginIndex, int endIndex) {
- if (path == null)
- return null;
- String[] parentPath = Arrays.copyOfRange(path, beginIndex, endIndex);
- return new JcrPath(fs, null, parentPath, false);
- }
-
- @Override
- public boolean startsWith(Path other) {
- return toString().startsWith(other.toString());
- }
-
- @Override
- public boolean startsWith(String other) {
- return toString().startsWith(other);
- }
-
- @Override
- public boolean endsWith(Path other) {
- return toString().endsWith(other.toString());
- }
-
- @Override
- public boolean endsWith(String other) {
- return toString().endsWith(other);
- }
-
- @Override
- public Path normalize() {
- // always normalized
- return this;
- }
-
- @Override
- public Path resolve(Path other) {
- JcrPath otherPath = (JcrPath) other;
- if (otherPath.isAbsolute())
- return other;
- String[] newPath;
- if (path == null) {
- newPath = new String[otherPath.path.length];
- System.arraycopy(otherPath.path, 0, newPath, 0, otherPath.path.length);
- } else {
- newPath = new String[path.length + otherPath.path.length];
- System.arraycopy(path, 0, newPath, 0, path.length);
- System.arraycopy(otherPath.path, 0, newPath, path.length, otherPath.path.length);
- }
- if (!absolute)
- return new JcrPath(fs, null, newPath, absolute);
- else {
- return new JcrPath(fs, toFsPath(newPath));
- }
- }
-
- @Override
- public final Path resolve(String other) {
- return resolve(getFileSystem().getPath(other));
- }
-
- @Override
- public final Path resolveSibling(Path other) {
- if (other == null)
- throw new NullPointerException();
- Path parent = getParent();
- return (parent == null) ? other : parent.resolve(other);
- }
-
- @Override
- public final Path resolveSibling(String other) {
- return resolveSibling(getFileSystem().getPath(other));
- }
-
- @Override
- public final Iterator<Path> iterator() {
- return new Iterator<Path>() {
- private int i = 0;
-
- @Override
- public boolean hasNext() {
- return (i < getNameCount());
- }
-
- @Override
- public Path next() {
- if (i < getNameCount()) {
- Path result = getName(i);
- i++;
- return result;
- } else {
- throw new NoSuchElementException();
- }
- }
-
- @Override
- public void remove() {
- throw new UnsupportedOperationException();
- }
- };
- }
-
- @Override
- public Path relativize(Path other) {
- if (equals(other))
- return new JcrPath(fs, "");
- if (other.startsWith(this)) {
- String p1 = toString();
- String p2 = other.toString();
- String relative = p2.substring(p1.length(), p2.length());
- if (relative.charAt(0) == '/')
- relative = relative.substring(1);
- return new JcrPath(fs, relative);
- }
- throw new IllegalArgumentException(other + " cannot be relativized against " + this);
- }
-
- @Override
- public URI toUri() {
- try {
- return new URI(fs.provider().getScheme(), toString(), null);
- } catch (URISyntaxException e) {
- throw new JcrFsException("Cannot create URI for " + toString(), e);
- }
- }
-
- @Override
- public Path toAbsolutePath() {
- if (isAbsolute())
- return this;
- return new JcrPath(fs, fileStore, path, true);
- }
-
- @Override
- public Path toRealPath(LinkOption... options) throws IOException {
- return this;
- }
-
- @Override
- public File toFile() {
- throw new UnsupportedOperationException();
- }
-
- @Override
- public WatchKey register(WatchService watcher, Kind<?>[] events, Modifier... modifiers) throws IOException {
- // TODO Auto-generated method stub
- return null;
- }
-
- @Override
- public WatchKey register(WatchService watcher, Kind<?>... events) throws IOException {
- // TODO Auto-generated method stub
- return null;
- }
-
- @Override
- public int compareTo(Path other) {
- return toString().compareTo(other.toString());
- }
-
- public Node getNode() throws RepositoryException {
- if (!isAbsolute())// TODO default dir
- throw new JcrFsException("Cannot get a JCR node from a relative path");
- assert fileStore != null;
- return fileStore.toNode(path);
-// String pathStr = toJcrPath();
-// Session session = fs.getSession();
-// // TODO synchronize on the session ?
-// if (!session.itemExists(pathStr))
-// return null;
-// return session.getNode(pathStr);
- }
-
- @Override
- public boolean equals(Object obj) {
- if (!(obj instanceof JcrPath))
- return false;
- JcrPath other = (JcrPath) obj;
-
- if (path == null) {// root
- if (other.path == null)// root
- return true;
- else
- return false;
- } else {
- if (other.path == null)// root
- return false;
- }
- // non root
- if (path.length != other.path.length)
- return false;
- for (int i = 0; i < path.length; i++) {
- if (!path[i].equals(other.path[i]))
- return false;
- }
- return true;
- }
-
- @Override
- public int hashCode() {
- return hashCode;
- }
-
- @Override
- protected Object clone() throws CloneNotSupportedException {
- return new JcrPath(fs, toString());
- }
-
- @Override
- protected void finalize() throws Throwable {
- Arrays.fill(path, null);
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff