package org.argeo.cms.acr.fs;
+import java.io.Closeable;
import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import org.argeo.api.acr.ContentResourceException;
import org.argeo.api.acr.CrName;
import org.argeo.api.acr.NamespaceUtils;
-import org.argeo.api.acr.spi.AbstractContent;
+import org.argeo.api.acr.spi.ContentProvider;
import org.argeo.api.acr.spi.ProvidedContent;
import org.argeo.api.acr.spi.ProvidedSession;
+import org.argeo.cms.acr.AbstractContent;
+import org.argeo.cms.acr.ContentUtils;
import org.argeo.util.FsUtils;
+/** Content persisted as a filesystem {@link Path}. */
public class FsContent extends AbstractContent implements ProvidedContent {
final static String USER_ = "user:";
this.session = session;
this.provider = contentProvider;
this.path = path;
- this.isRoot = contentProvider.isRoot(path);
+ this.isRoot = contentProvider.isMountRoot(path);
// TODO check file names with ':' ?
- if (isRoot)
- this.name = CrName.ROOT.get();
- else {
- QName providerName = NamespaceUtils.parsePrefixedName(provider, path.getFileName().toString());
+ if (isRoot) {
+ String mountPath = provider.getMountPath();
+ if (mountPath != null && !mountPath.equals("/")) {
+ Content mountPoint = session.getMountPoint(mountPath);
+ this.name = mountPoint.getName();
+ } else {
+ this.name = CrName.ROOT.get();
+ }
+ } else {
+
+ // TODO should we support prefixed name for known types?
+ // QName providerName = NamespaceUtils.parsePrefixedName(provider,
+ // path.getFileName().toString());
+ QName providerName = new QName(path.getFileName().toString());
+ // TODO remove extension if mounted?
this.name = new ContentName(providerName, session);
}
}
* ATTRIBUTES
*/
+ @SuppressWarnings("unchecked")
@Override
public <A> Optional<A> get(QName key, Class<A> clss) {
Object value;
try {
// We need to add user: when accessing via Files#getAttribute
- value = Files.getAttribute(path, toFsAttributeKey(key));
+
+ if (POSIX_KEYS.containsKey(key)) {
+ value = Files.getAttribute(path, toFsAttributeKey(key));
+ } else {
+ UserDefinedFileAttributeView udfav = Files.getFileAttributeView(path,
+ UserDefinedFileAttributeView.class);
+ String prefixedName = NamespaceUtils.toPrefixedName(provider, key);
+ if (!udfav.list().contains(prefixedName))
+ return Optional.empty();
+ ByteBuffer buf = ByteBuffer.allocate(udfav.size(prefixedName));
+ udfav.read(prefixedName, buf);
+ buf.flip();
+ if (buf.hasArray())
+ value = buf.array();
+ else {
+ byte[] arr = new byte[buf.remaining()];
+ buf.get(arr);
+ value = arr;
+ }
+ }
} catch (IOException e) {
throw new ContentResourceException("Cannot retrieve attribute " + key + " for " + path, e);
}
UserDefinedFileAttributeView udfav = Files.getFileAttributeView(path, UserDefinedFileAttributeView.class);
ByteBuffer bb = ByteBuffer.wrap(value.toString().getBytes(StandardCharsets.UTF_8));
try {
- int size = udfav.write(NamespaceUtils.toPrefixedName(provider, key), bb);
+ udfav.write(NamespaceUtils.toPrefixedName(provider, key), bb);
} catch (IOException e) {
throw new ContentResourceException("Cannot delete attribute " + key + " for " + path, e);
}
public Iterator<Content> iterator() {
if (Files.isDirectory(path)) {
try {
- return Files.list(path).map((p) -> (Content) new FsContent(this, p)).iterator();
+ return Files.list(path).map((p) -> {
+ FsContent fsContent = new FsContent(this, p);
+ Optional<String> isMount = fsContent.get(CrName.MOUNT.get(), String.class);
+ if (isMount.orElse("false").equals("true")) {
+ QName[] classes = null;
+ ContentProvider contentProvider = session.getRepository().getMountContentProvider(fsContent,
+ false, classes);
+ Content mountedContent = contentProvider.get(session, "");
+ return mountedContent;
+ } else {
+ return (Content) fsContent;
+ }
+ }).iterator();
} catch (IOException e) {
throw new ContentResourceException("Cannot list " + path, e);
}
@Override
public Content add(QName name, QName... classes) {
+ FsContent fsContent;
try {
Path newPath = path.resolve(NamespaceUtils.toPrefixedName(provider, name));
if (ContentName.contains(classes, CrName.COLLECTION.get()))
// for(ContentClass clss:classes) {
// Files.setAttribute(newPath, name, newPath, null)
// }
- return new FsContent(this, newPath);
+ fsContent = new FsContent(this, newPath);
} catch (IOException e) {
throw new ContentResourceException("Cannot create new content", e);
}
+
+ if (session.getRepository().shouldMount(classes)) {
+ ContentProvider contentProvider = session.getRepository().getMountContentProvider(fsContent, true, classes);
+ Content mountedContent = contentProvider.get(session, "");
+ fsContent.put(CrName.MOUNT.get(), "true");
+ return mountedContent;
+
+ } else {
+ return fsContent;
+ }
}
@Override
@Override
public Content getParent() {
- if (isRoot)
- return null;// TODO deal with mounts
+ if (isRoot) {
+ String mountPath = provider.getMountPath();
+ if (mountPath == null || mountPath.equals("/"))
+ return null;
+ String[] parent = ContentUtils.getParentPath(mountPath);
+ return session.get(parent[0]);
+ }
return new FsContent(this, path.getParent());
}
+ @SuppressWarnings("unchecked")
+ @Override
+ public <C extends Closeable> C open(Class<C> clss) throws IOException, IllegalArgumentException {
+ if (InputStream.class.isAssignableFrom(clss)) {
+ if (Files.isDirectory(path))
+ throw new UnsupportedOperationException("Cannot open " + path + " as stream, since it is a directory");
+ return (C) Files.newInputStream(path);
+ } else if (OutputStream.class.isAssignableFrom(clss)) {
+ if (Files.isDirectory(path))
+ throw new UnsupportedOperationException("Cannot open " + path + " as stream, since it is a directory");
+ return (C) Files.newOutputStream(path);
+ }
+ return super.open(clss);
+ }
+
+ /*
+ * MOUNT MANAGEMENT
+ */
+ @Override
+ public ProvidedContent getMountPoint(String relativePath) {
+ Path childPath = path.resolve(relativePath);
+ // TODO check that it is a mount
+ return new FsContent(this, childPath);
+ }
+
/*
* ACCESSORS
*/