+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Mathieu Baudier
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.eclipse.ui.jcr.utils;
-
-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.ArgeoException;
-import org.argeo.eclipse.ui.specific.FileProvider;
-
-/**
- * Implements a FileProvider for UI purposes. Note that it might not be very
- * reliable as long as we have not fixed login & 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.
- *
- */
-
-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
- *
- * FIXME : this introduces some concurrences ISSUES.
- *
- * @param repositoryNode
- */
- public void setReferenceNode(Node refNode) {
- this.refNode = refNode;
- }
-
- /**
- * Must be set in order for the provider to be able to search the repository
- * Provided object might be either JCR Nodes or UI RepositoryNode for the
- * time being.
- *
- * @param repositoryNode
- */
- // public void setRootNodes(Object[] rootNodes) {
- // List<Object> tmpNodes = new ArrayList<Object>();
- // for (int i = 0; i < rootNodes.length; i++) {
- // Object obj = rootNodes[i];
- // if (obj instanceof Node) {
- // tmpNodes.add(obj);
- // } else if (obj instanceof RepositoryRegister) {
- // RepositoryRegister repositoryRegister = (RepositoryRegister) obj;
- // Map<String, Repository> repositories = repositoryRegister
- // .getRepositories();
- // for (String name : repositories.keySet()) {
- // // tmpNodes.add(new RepositoryNode(name, repositories
- // // .get(name)));
- // }
- //
- // }
- // }
- // this.rootNodes = tmpNodes.toArray();
- // }
-
- 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 ArgeoException("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 ArgeoException("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 ArgeoException("File node not found for ID" + fileId);
-
- // Ensure that the node have the correct type.
- if (!result.isNodeType(NodeType.NT_FILE))
- throw new ArgeoException(
- "Cannot open file children Node that are not of '"
- + NodeType.NT_RESOURCE + "' type.");
-
- // Get the usefull part of the Node
- Node child = result.getNodes().nextNode();
- if (child == null || !child.isNodeType(NodeType.NT_RESOURCE))
- throw new ArgeoException(
- "ERROR: IN the current implemented model, '"
- + NodeType.NT_FILE
- + "' file node must have one and only one child of the nt:ressource, where actual data is stored");
- return child;
-
- } catch (RepositoryException re) {
- throw new ArgeoException("Erreur while getting file node of ID "
- + fileId, re);
- }
- }
-}
projects / lgpl / argeo-commons.git / blobdiff