+++ /dev/null
-package org.argeo.eclipse.ui.jcr.util;
-
-import java.io.InputStream;
-
-import javax.jcr.Node;
-import javax.jcr.Property;
-import javax.jcr.RepositoryException;
-import javax.jcr.nodetype.NodeType;
-
-import org.apache.commons.io.IOUtils;
-import org.argeo.eclipse.ui.EclipseUiException;
-import org.argeo.eclipse.ui.FileProvider;
-
-/**
- * Implements a FileProvider for UI purposes. Note that it might not be very
- * reliable as long as we have not fixed login and multi repository issues that
- * will be addressed in the next version.
- *
- * NOTE: id used here is the real id of the JCR Node, not the JCR Path
- *
- * Relies on common approach for JCR file handling implementation.
- *
- */
-@SuppressWarnings("deprecation")
-public class JcrFileProvider implements FileProvider {
-
- // private Object[] rootNodes;
- private Node refNode;
-
- /**
- * Must be set in order for the provider to be able to get current session
- * and thus have the ability to get the file node corresponding to a given
- * file ID
- *
- * @param refNode
- */
- public void setReferenceNode(Node refNode) {
- // FIXME : this introduces some concurrency ISSUES.
- this.refNode = refNode;
- }
-
- public byte[] getByteArrayFileFromId(String fileId) {
- InputStream fis = null;
- byte[] ba = null;
- Node child = getFileNodeFromId(fileId);
- try {
- fis = (InputStream) child.getProperty(Property.JCR_DATA).getBinary().getStream();
- ba = IOUtils.toByteArray(fis);
-
- } catch (Exception e) {
- throw new EclipseUiException("Stream error while opening file", e);
- } finally {
- IOUtils.closeQuietly(fis);
- }
- return ba;
- }
-
- public InputStream getInputStreamFromFileId(String fileId) {
- try {
- InputStream fis = null;
-
- Node child = getFileNodeFromId(fileId);
- fis = (InputStream) child.getProperty(Property.JCR_DATA).getBinary().getStream();
- return fis;
- } catch (RepositoryException re) {
- throw new EclipseUiException("Cannot get stream from file node for Id " + fileId, re);
- }
- }
-
- /**
- * Throws an exception if the node is not found in the current repository (a
- * bit like a FileNotFoundException)
- *
- * @param fileId
- * @return Returns the child node of the nt:file node. It is the child node
- * that have the jcr:data property where actual file is stored.
- * never null
- */
- private Node getFileNodeFromId(String fileId) {
- try {
- Node result = refNode.getSession().getNodeByIdentifier(fileId);
-
- // rootNodes: for (int j = 0; j < rootNodes.length; j++) {
- // // in case we have a classic JCR Node
- // if (rootNodes[j] instanceof Node) {
- // Node curNode = (Node) rootNodes[j];
- // if (result != null)
- // break rootNodes;
- // } // Case of a repository Node
- // else if (rootNodes[j] instanceof RepositoryNode) {
- // Object[] nodes = ((RepositoryNode) rootNodes[j])
- // .getChildren();
- // for (int i = 0; i < nodes.length; i++) {
- // Node node = (Node) nodes[i];
- // result = node.getSession().getNodeByIdentifier(fileId);
- // if (result != null)
- // break rootNodes;
- // }
- // }
- // }
-
- // Sanity checks
- if (result == null)
- throw new EclipseUiException("File node not found for ID" + fileId);
-
- Node child = null;
-
- boolean isValid = true;
- if (!result.isNodeType(NodeType.NT_FILE))
- // useless: mandatory child node
- // || !result.hasNode(Property.JCR_CONTENT))
- isValid = false;
- else {
- child = result.getNode(Property.JCR_CONTENT);
- if (!(child.isNodeType(NodeType.NT_RESOURCE) || child.hasProperty(Property.JCR_DATA)))
- isValid = false;
- }
-
- if (!isValid)
- throw new EclipseUiException("ERROR: In the current implemented model, '" + NodeType.NT_FILE
- + "' file node must have a child node named jcr:content "
- + "that has a BINARY Property named jcr:data " + "where the actual data is stored");
- return child;
-
- } catch (RepositoryException re) {
- throw new EclipseUiException("Erreur while getting file node of ID " + fileId, re);
- }
- }
-}