X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=library%2Forg.argeo.documents.ui%2Fsrc%2Forg%2Fargeo%2Fdocuments%2Fui%2FDocumentsUtils.java;fp=library%2Forg.argeo.documents.ui%2Fsrc%2Forg%2Fargeo%2Fdocuments%2Fui%2FDocumentsUtils.java;h=ad103c6f6e3645bc27741a8234e3242b6971fb50;hb=8bb28d527359660d460df7507216cb425de304a7;hp=0000000000000000000000000000000000000000;hpb=77e06b966dc2d79b2e3c2a96569b83354e7d8667;p=gpl%2Fargeo-suite.git

diff --git a/library/org.argeo.documents.ui/src/org/argeo/documents/ui/DocumentsUtils.java b/library/org.argeo.documents.ui/src/org/argeo/documents/ui/DocumentsUtils.java
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index 0000000..ad103c6
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+++ b/library/org.argeo.documents.ui/src/org/argeo/documents/ui/DocumentsUtils.java
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+package org.argeo.documents.ui;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.FileSystem;
+import java.nio.file.Path;
+import java.nio.file.spi.FileSystemProvider;
+
+import javax.jcr.NoSuchWorkspaceException;
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.query.Query;
+import javax.jcr.query.QueryManager;
+
+import org.argeo.api.NodeConstants;
+import org.argeo.jcr.Jcr;
+
+/** Utilities around documents. */
+public class DocumentsUtils {
+	// TODO make it more robust and configurable
+	private static String baseWorkspaceName = NodeConstants.SYS_WORKSPACE;
+
+	public static Node getNode(Repository repository, Path path) {
+		String workspaceName = path.getNameCount() == 0 ? baseWorkspaceName : path.getName(0).toString();
+		String jcrPath = '/' + path.subpath(1, path.getNameCount()).toString();
+		try {
+			Session newSession;
+			try {
+				newSession = repository.login(workspaceName);
+			} catch (NoSuchWorkspaceException e) {
+				// base workspace
+				newSession = repository.login(baseWorkspaceName);
+				jcrPath = path.toString();
+			}
+			return newSession.getNode(jcrPath);
+		} catch (RepositoryException e) {
+			throw new IllegalStateException("Cannot get node from path " + path, e);
+		}
+	}
+
+	public static NodeIterator getLastUpdatedDocuments(Session session) {
+		try {
+			String qStr = "//element(*, nt:file)";
+			qStr += " order by @jcr:lastModified descending";
+			QueryManager queryManager = session.getWorkspace().getQueryManager();
+			@SuppressWarnings("deprecation")
+			Query xpathQuery = queryManager.createQuery(qStr, Query.XPATH);
+			xpathQuery.setLimit(8);
+			NodeIterator nit = xpathQuery.execute().getNodes();
+			return nit;
+		} catch (RepositoryException e) {
+			throw new IllegalStateException("Unable to retrieve last updated documents", e);
+		}
+	}
+
+	public static Path getPath(FileSystemProvider nodeFileSystemProvider, URI uri) {
+		try {
+			FileSystem fileSystem = nodeFileSystemProvider.getFileSystem(uri);
+			if (fileSystem == null)
+				fileSystem = nodeFileSystemProvider.newFileSystem(uri, null);
+			String path = uri.getPath();
+			return fileSystem.getPath(path);
+		} catch (IOException e) {
+			throw new IllegalStateException("Unable to initialise file system for " + uri, e);
+		}
+	}
+
+	public static Path getPath(FileSystemProvider nodeFileSystemProvider, Node node) {
+		String workspaceName = Jcr.getWorkspaceName(node);
+		String fullPath = baseWorkspaceName.equals(workspaceName) ? Jcr.getPath(node)
+				: '/' + workspaceName + Jcr.getPath(node);
+		URI uri;
+		try {
+			uri = new URI(NodeConstants.SCHEME_NODE, null, fullPath, null);
+		} catch (URISyntaxException e) {
+			throw new IllegalArgumentException("Cannot interpret " + fullPath + " as an URI", e);
+		}
+		return getPath(nodeFileSystemProvider, uri);
+	}
+
+	/** Singleton. */
+	private DocumentsUtils() {
+	}
+}