+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * 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.jcr;
-
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.List;
-
-import javax.jcr.Binary;
-import javax.jcr.Node;
-import javax.jcr.Property;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-import javax.jcr.nodetype.NodeType;
-import javax.jcr.version.Version;
-import javax.jcr.version.VersionHistory;
-import javax.jcr.version.VersionIterator;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
-
-/**
- * Bridge Spring resources and JCR folder / files semantics (nt:folder /
- * nt:file), supporting versioning as well.
- */
-public class JcrResourceAdapter {
- private final static Log log = LogFactory.getLog(JcrResourceAdapter.class);
-
- private Session session;
-
- private Boolean versioning = true;
- private String defaultEncoding = "UTF-8";
-
- // private String restoreBase = "/.restore";
-
- public JcrResourceAdapter() {
- }
-
- public JcrResourceAdapter(Session session) {
- this.session = session;
- }
-
- public void mkdirs(String path) {
- JcrUtils.mkdirs(session(), path, NodeType.NT_FOLDER,
- NodeType.NT_FOLDER, versioning);
- }
-
- public void create(String path, InputStream in, String mimeType) {
- try {
- if (session().itemExists(path)) {
- throw new ArgeoException("Node " + path + " already exists.");
- }
-
- int index = path.lastIndexOf('/');
- String parentPath = path.substring(0, index);
- if (parentPath.equals(""))
- parentPath = "/";
- String fileName = path.substring(index + 1);
- if (!session().itemExists(parentPath))
- throw new ArgeoException("Parent folder of node " + path
- + " does not exist: " + parentPath);
-
- Node folderNode = (Node) session().getItem(parentPath);
- Node fileNode = folderNode.addNode(fileName, "nt:file");
-
- Node contentNode = fileNode.addNode(Property.JCR_CONTENT,
- "nt:resource");
- if (mimeType != null)
- contentNode.setProperty(Property.JCR_MIMETYPE, mimeType);
- contentNode.setProperty(Property.JCR_ENCODING, defaultEncoding);
- Binary binary = session().getValueFactory().createBinary(in);
- contentNode.setProperty(Property.JCR_DATA, binary);
- JcrUtils.closeQuietly(binary);
- Calendar lastModified = Calendar.getInstance();
- // lastModified.setTimeInMillis(file.lastModified());
- contentNode.setProperty(Property.JCR_LAST_MODIFIED, lastModified);
- // resNode.addMixin("mix:referenceable");
-
- if (versioning)
- fileNode.addMixin("mix:versionable");
-
- session().save();
-
- if (versioning)
- session().getWorkspace().getVersionManager()
- .checkin(fileNode.getPath());
-
- if (log.isDebugEnabled())
- log.debug("Created " + path);
- } catch (Exception e) {
- throw new ArgeoException("Cannot create node for " + path, e);
- }
-
- }
-
- public void update(String path, InputStream in) {
- try {
-
- if (!session().itemExists(path)) {
- String type = null;
- // FIXME: using javax.activation leads to conflict between Java
- // 1.5 and 1.6 (since javax.activation was included in Java 1.6)
- // String type = new MimetypesFileTypeMap()
- // .getContentType(FilenameUtils.getName(path));
- create(path, in, type);
- return;
- }
-
- Node fileNode = (Node) session().getItem(path);
- Node contentNode = fileNode.getNode(Property.JCR_CONTENT);
- if (versioning)
- session().getWorkspace().getVersionManager()
- .checkout(fileNode.getPath());
- Binary binary = session().getValueFactory().createBinary(in);
- contentNode.setProperty(Property.JCR_DATA, binary);
- JcrUtils.closeQuietly(binary);
- Calendar lastModified = Calendar.getInstance();
- // lastModified.setTimeInMillis(file.lastModified());
- contentNode.setProperty(Property.JCR_LAST_MODIFIED, lastModified);
-
- session().save();
- if (versioning)
- session().getWorkspace().getVersionManager()
- .checkin(fileNode.getPath());
-
- if (log.isDebugEnabled())
- log.debug("Updated " + path);
- } catch (Exception e) {
- throw new ArgeoException("Cannot update node " + path, e);
- }
- }
-
- public List<Calendar> listVersions(String path) {
- if (!versioning)
- throw new ArgeoException("Versioning is not activated");
-
- try {
- List<Calendar> versions = new ArrayList<Calendar>();
- Node fileNode = (Node) session().getItem(path);
- VersionHistory history = session().getWorkspace()
- .getVersionManager().getVersionHistory(fileNode.getPath());
- for (VersionIterator it = history.getAllVersions(); it.hasNext();) {
- Version version = (Version) it.next();
- versions.add(version.getCreated());
- if (log.isTraceEnabled()) {
- log.debug(version);
- // debug(version);
- }
- }
- return versions;
- } catch (Exception e) {
- throw new ArgeoException("Cannot list version of node " + path, e);
- }
- }
-
- public InputStream retrieve(String path) {
- try {
- Node node = (Node) session().getItem(
- path + "/" + Property.JCR_CONTENT);
- Property property = node.getProperty(Property.JCR_DATA);
- return property.getBinary().getStream();
- } catch (Exception e) {
- throw new ArgeoException("Cannot retrieve " + path, e);
- }
- }
-
- public synchronized InputStream retrieve(String path, Integer revision) {
- if (!versioning)
- throw new ArgeoException("Versioning is not activated");
-
- try {
- Node fileNode = (Node) session().getItem(path);
- VersionHistory history = session().getWorkspace()
- .getVersionManager().getVersionHistory(fileNode.getPath());
- int count = 0;
- Version version = null;
- for (VersionIterator it = history.getAllVersions(); it.hasNext();) {
- version = (Version) it.next();
- if (count == revision + 1) {
- InputStream in = fromVersion(version);
- if (log.isDebugEnabled())
- log.debug("Retrieved " + path + " at revision "
- + revision);
- return in;
- }
- count++;
- }
- } catch (Exception e) {
- throw new ArgeoException("Cannot retrieve version " + revision
- + " of " + path, e);
- }
-
- throw new ArgeoException("Version " + revision
- + " does not exist for node " + path);
- }
-
- protected InputStream fromVersion(Version version)
- throws RepositoryException {
- Node frozenNode = version.getNode("jcr:frozenNode");
- InputStream in = frozenNode.getNode(Property.JCR_CONTENT)
- .getProperty(Property.JCR_DATA).getBinary().getStream();
- return in;
- }
-
- protected Session session() {
- return session;
- }
-
- public void setVersioning(Boolean versioning) {
- this.versioning = versioning;
- }
-
- public void setDefaultEncoding(String defaultEncoding) {
- this.defaultEncoding = defaultEncoding;
- }
-
- protected String fill(Integer number) {
- int size = 4;
- String str = number.toString();
- for (int i = str.length(); i < size; i++) {
- str = "0" + str;
- }
- return str;
- }
-
- public void setSession(Session session) {
- this.session = session;
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff