X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=server%2Fruntime%2Forg.argeo.server.jcr%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fjcr%2FJcrUtils.java;h=facd475cafd1e789c1689e7f88e317ff1ec1d749;hb=8b8ee149b20e2578a55e17413fa5f7399ff7ba14;hp=72b94fbcd0590baef6c4b30049282dd61cdc0ae0;hpb=03db65bd74ce09b696a4c5af15a58df988e5368d;p=lgpl%2Fargeo-commons.git diff --git a/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java b/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java index 72b94fbcd..facd475ca 100644 --- a/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java +++ b/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUtils.java @@ -16,18 +16,22 @@ package org.argeo.jcr; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; import java.net.MalformedURLException; import java.net.URL; import java.text.DateFormat; import java.text.ParseException; +import java.util.ArrayList; import java.util.Calendar; +import java.util.Collections; import java.util.Date; import java.util.GregorianCalendar; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; -import java.util.StringTokenizer; import java.util.TreeMap; import javax.jcr.Binary; @@ -36,12 +40,15 @@ import javax.jcr.Node; import javax.jcr.NodeIterator; import javax.jcr.Property; import javax.jcr.PropertyIterator; +import javax.jcr.PropertyType; import javax.jcr.Repository; import javax.jcr.RepositoryException; import javax.jcr.RepositoryFactory; import javax.jcr.Session; import javax.jcr.Value; +import javax.jcr.Workspace; import javax.jcr.nodetype.NodeType; +import javax.jcr.observation.EventListener; import javax.jcr.query.Query; import javax.jcr.query.QueryResult; import javax.jcr.query.qom.Constraint; @@ -50,6 +57,7 @@ import javax.jcr.query.qom.QueryObjectModelFactory; import javax.jcr.query.qom.Selector; import javax.jcr.query.qom.StaticOperand; +import org.apache.commons.io.IOUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.argeo.ArgeoException; @@ -58,6 +66,17 @@ import org.argeo.ArgeoException; public class JcrUtils implements ArgeoJcrConstants { private final static Log log = LogFactory.getLog(JcrUtils.class); + /** + * Not complete yet. See + * http://www.day.com/specs/jcr/2.0/3_Repository_Model.html#3.2.2%20Local + * %20Names + */ + public final static char[] INVALID_NAME_CHARACTERS = { '/', ':', '[', ']', + '|', '*', /* + * invalid XML chars : + */ + '<', '>', '&' }; + /** Prevents instantiation */ private JcrUtils() { } @@ -88,13 +107,6 @@ public class JcrUtils implements ArgeoJcrConstants { return node; } - /** Removes forbidden characters from a path, replacing them with '_' */ - public static String removeForbiddenCharacters(String str) { - return str.replace('[', '_').replace(']', '_').replace('/', '_') - .replace('*', '_'); - - } - /** Retrieves the parent path of the provided path */ public static String parentPath(String path) { if (path.equals("/")) @@ -133,6 +145,46 @@ public class JcrUtils implements ArgeoJcrConstants { } } + /** Set the {@link NodeType#NT_ADDRESS} properties based on this URL. */ + public static void urlToAddressProperties(Node node, String url) { + try { + URL u = new URL(url); + node.setProperty(Property.JCR_PROTOCOL, u.getProtocol()); + node.setProperty(Property.JCR_HOST, u.getHost()); + node.setProperty(Property.JCR_PORT, Integer.toString(u.getPort())); + node.setProperty(Property.JCR_PATH, normalizePath(u.getPath())); + } catch (Exception e) { + throw new ArgeoException("Cannot set URL " + url + + " as nt:address properties", e); + } + } + + /** Build URL based on the {@link NodeType#NT_ADDRESS} properties. */ + public static String urlFromAddressProperties(Node node) { + try { + URL u = new URL( + node.getProperty(Property.JCR_PROTOCOL).getString(), node + .getProperty(Property.JCR_HOST).getString(), + (int) node.getProperty(Property.JCR_PORT).getLong(), node + .getProperty(Property.JCR_PATH).getString()); + return u.toString(); + } catch (Exception e) { + throw new ArgeoException( + "Cannot get URL from nt:address properties of " + node, e); + } + } + + /** Make sure that: starts with '/', do not end with '/', do not have '//' */ + public static String normalizePath(String path) { + List tokens = tokenize(path); + StringBuffer buf = new StringBuffer(path.length()); + for (String token : tokens) { + buf.append('/'); + buf.append(token); + } + return buf.toString(); + } + /** * Creates a path from a FQDN, inverting the order of the component: * www.argeo.org => org.argeo.www @@ -158,25 +210,31 @@ public class JcrUtils implements ArgeoJcrConstants { */ public static String dateAsPath(Calendar cal, Boolean addHour) { StringBuffer buf = new StringBuffer(14); - buf.append('Y').append(cal.get(Calendar.YEAR));// 5 - buf.append('/');// 1 + buf.append('Y'); + buf.append(cal.get(Calendar.YEAR)); + buf.append('/'); + int month = cal.get(Calendar.MONTH) + 1; buf.append('M'); if (month < 10) buf.append(0); - buf.append(month);// 3 - buf.append('/');// 1 + buf.append(month); + buf.append('/'); + int day = cal.get(Calendar.DAY_OF_MONTH); + buf.append('D'); if (day < 10) buf.append(0); - buf.append('D').append(day);// 3 - buf.append('/');// 1 + buf.append(day); + buf.append('/'); + if (addHour) { int hour = cal.get(Calendar.HOUR_OF_DAY); + buf.append('H'); if (hour < 10) buf.append(0); - buf.append('H').append(hour);// 3 - buf.append('/');// 1 + buf.append(hour); + buf.append('/'); } return buf.toString(); @@ -207,14 +265,35 @@ public class JcrUtils implements ArgeoJcrConstants { return path.substring(index + 1); } + /** + * Routine that get the child with this name, adding id it does not already + * exist + */ + public static Node getOrAdd(Node parent, String childName, + String childPrimaryNodeType) throws RepositoryException { + return parent.hasNode(childName) ? parent.getNode(childName) : parent + .addNode(childName, childPrimaryNodeType); + } + + /** + * Routine that get the child with this name, adding id it does not already + * exist + */ + public static Node getOrAdd(Node parent, String childName) + throws RepositoryException { + return parent.hasNode(childName) ? parent.getNode(childName) : parent + .addNode(childName); + } + /** Creates the nodes making path, if they don't exist. */ public static Node mkdirs(Session session, String path) { return mkdirs(session, path, null, null, false); } /** - * @deprecated use {@link #mkdirs(Session, String, String, String, Boolean)} - * instead. + * use {@link #mkdirs(Session, String, String, String, Boolean)} instead. + * + * @deprecated */ @Deprecated public static Node mkdirs(Session session, String path, String type, @@ -230,9 +309,33 @@ public class JcrUtils implements ArgeoJcrConstants { return mkdirs(session, path, type, null, false); } + /** + * Synchronized and save is performed, to avoid race conditions in + * initializers leading to duplicate nodes. + */ + public synchronized static Node mkdirsSafe(Session session, String path, + String type) { + try { + if (session.hasPendingChanges()) + throw new ArgeoException( + "Session has pending changes, save them first."); + Node node = mkdirs(session, path, type); + session.save(); + return node; + } catch (RepositoryException e) { + discardQuietly(session); + throw new ArgeoException("Cannot safely make directories", e); + } + } + + public synchronized static Node mkdirsSafe(Session session, String path) { + return mkdirsSafe(session, path, null); + } + /** * Creates the nodes making path, if they don't exist. This is up to the - * caller to save the session. + * caller to save the session. Use with caution since it can create + * duplicate nodes if used concurrently. */ public static Node mkdirs(Session session, String path, String type, String intermediaryNodeType, Boolean versioning) { @@ -253,16 +356,16 @@ public class JcrUtils implements ArgeoJcrConstants { return node; } - StringTokenizer st = new StringTokenizer(path, "/"); StringBuffer current = new StringBuffer("/"); Node currentNode = session.getRootNode(); - while (st.hasMoreTokens()) { - String part = st.nextToken(); + Iterator it = tokenize(path).iterator(); + while (it.hasNext()) { + String part = it.next(); current.append(part).append('/'); if (!session.itemExists(current.toString())) { - if (!st.hasMoreTokens() && type != null) + if (!it.hasNext() && type != null) currentNode = currentNode.addNode(part, type); - else if (st.hasMoreTokens() && intermediaryNodeType != null) + else if (it.hasNext() && intermediaryNodeType != null) currentNode = currentNode.addNode(part, intermediaryNodeType); else @@ -275,13 +378,47 @@ public class JcrUtils implements ArgeoJcrConstants { currentNode = (Node) session.getItem(current.toString()); } } - // session.save(); return currentNode; } catch (RepositoryException e) { + discardQuietly(session); throw new ArgeoException("Cannot mkdirs " + path, e); + } finally { } } + /** Convert a path to the list of its tokens */ + public static List tokenize(String path) { + List tokens = new ArrayList(); + boolean optimized = false; + if (!optimized) { + String[] rawTokens = path.split("/"); + for (String token : rawTokens) { + if (!token.equals("")) + tokens.add(token); + } + } else { + StringBuffer curr = new StringBuffer(); + char[] arr = path.toCharArray(); + chars: for (int i = 0; i < arr.length; i++) { + char c = arr[i]; + if (c == '/') { + if (i == 0 || (i == arr.length - 1)) + continue chars; + if (curr.length() > 0) { + tokens.add(curr.toString()); + curr = new StringBuffer(); + } + } else + curr.append(c); + } + if (curr.length() > 0) { + tokens.add(curr.toString()); + curr = new StringBuffer(); + } + } + return Collections.unmodifiableList(tokens); + } + /** * Safe and repository implementation independent registration of a * namespace. @@ -325,6 +462,11 @@ public class JcrUtils implements ArgeoJcrConstants { /** Recursively outputs the contents of the given node. */ public static void debug(Node node) { + debug(node, log); + } + + /** Recursively outputs the contents of the given node. */ + public static void debug(Node node, Log log) { try { // First output the node path log.debug(node.getPath()); @@ -337,15 +479,17 @@ public class JcrUtils implements ArgeoJcrConstants { NodeIterator it = node.getNodes(); while (it.hasNext()) { Node childNode = it.nextNode(); - debug(childNode); + debug(childNode, log); } // Then output the properties PropertyIterator properties = node.getProperties(); // log.debug("Property are : "); - while (properties.hasNext()) { + properties: while (properties.hasNext()) { Property property = properties.nextProperty(); + if (property.getType() == PropertyType.BINARY) + continue properties;// skip if (property.getDefinition().isMultiple()) { // A multi-valued property, print all values Value[] values = property.getValues(); @@ -365,11 +509,16 @@ public class JcrUtils implements ArgeoJcrConstants { } /** - * Copies recursively the content of a node to another one. Mixin are NOT - * copied. + * Copies recursively the content of a node to another one. Do NOT copy the + * property values of {@link NodeType#MIX_CREATED} and + * {@link NodeType#MIX_LAST_MODIFIED}, but update the + * {@link Property#JCR_LAST_MODIFIED} and + * {@link Property#JCR_LAST_MODIFIED_BY} properties if the target node has + * the {@link NodeType#MIX_LAST_MODIFIED} mixin. */ public static void copy(Node fromNode, Node toNode) { try { + // process properties PropertyIterator pit = fromNode.getProperties(); properties: while (pit.hasNext()) { Property fromProperty = pit.nextProperty(); @@ -379,10 +528,32 @@ public class JcrUtils implements ArgeoJcrConstants { .isProtected()) continue properties; - toNode.setProperty(fromProperty.getName(), - fromProperty.getValue()); + if (fromProperty.getDefinition().isProtected()) + continue properties; + + if (propertyName.equals("jcr:created") + || propertyName.equals("jcr:createdBy") + || propertyName.equals("jcr:lastModified") + || propertyName.equals("jcr:lastModifiedBy")) + continue properties; + + if (fromProperty.isMultiple()) { + toNode.setProperty(propertyName, fromProperty.getValues()); + } else { + toNode.setProperty(propertyName, fromProperty.getValue()); + } + } + + // update jcr:lastModified and jcr:lastModifiedBy in toNode in case + // they existed, before adding the mixins + updateLastModified(toNode); + + // add mixins + for (NodeType mixinType : fromNode.getMixinNodeTypes()) { + toNode.addMixin(mixinType.getName()); } + // process children nodes NodeIterator nit = fromNode.getNodes(); while (nit.hasNext()) { Node fromChild = nit.nextNode(); @@ -461,16 +632,18 @@ public class JcrUtils implements ArgeoJcrConstants { relPath, p.getValue(), null); diffs.put(relPath, pDiff); } else { - if (p.isMultiple()) - continue props; - Value referenceValue = p.getValue(); - Value newValue = observed.getProperty(name).getValue(); - if (!referenceValue.equals(newValue)) { - String relPath = propertyRelPath(baseRelPath, name); - PropertyDiff pDiff = new PropertyDiff( - PropertyDiff.MODIFIED, relPath, referenceValue, - newValue); - diffs.put(relPath, pDiff); + if (p.isMultiple()) { + // FIXME implement multiple + } else { + Value referenceValue = p.getValue(); + Value newValue = observed.getProperty(name).getValue(); + if (!referenceValue.equals(newValue)) { + String relPath = propertyRelPath(baseRelPath, name); + PropertyDiff pDiff = new PropertyDiff( + PropertyDiff.MODIFIED, relPath, + referenceValue, newValue); + diffs.put(relPath, pDiff); + } } } } @@ -482,10 +655,14 @@ public class JcrUtils implements ArgeoJcrConstants { if (name.startsWith("jcr:")) continue props; if (!reference.hasProperty(name)) { - String relPath = propertyRelPath(baseRelPath, name); - PropertyDiff pDiff = new PropertyDiff(PropertyDiff.ADDED, - relPath, null, p.getValue()); - diffs.put(relPath, pDiff); + if (p.isMultiple()) { + // FIXME implement multiple + } else { + String relPath = propertyRelPath(baseRelPath, name); + PropertyDiff pDiff = new PropertyDiff( + PropertyDiff.ADDED, relPath, null, p.getValue()); + diffs.put(relPath, pDiff); + } } } } catch (RepositoryException e) { @@ -554,13 +731,60 @@ public class JcrUtils implements ArgeoJcrConstants { } /** - * Normalize a name so taht it can be stores in contexts not supporting + * Normalizes a name so that it can be stored in contexts not supporting * names with ':' (typically databases). Replaces ':' by '_'. */ public static String normalize(String name) { return name.replace(':', '_'); } + /** + * Replaces characters which are invalid in a JCR name by '_'. Currently not + * exhaustive. + * + * @see JcrUtils#INVALID_NAME_CHARACTERS + */ + public static String replaceInvalidChars(String name) { + return replaceInvalidChars(name, '_'); + } + + /** + * Replaces characters which are invalid in a JCR name. Currently not + * exhaustive. + * + * @see JcrUtils#INVALID_NAME_CHARACTERS + */ + public static String replaceInvalidChars(String name, char replacement) { + boolean modified = false; + char[] arr = name.toCharArray(); + for (int i = 0; i < arr.length; i++) { + char c = arr[i]; + invalid: for (char invalid : INVALID_NAME_CHARACTERS) { + if (c == invalid) { + arr[i] = replacement; + modified = true; + break invalid; + } + } + } + if (modified) + return new String(arr); + else + // do not create new object if unnecessary + return name; + } + + /** + * Removes forbidden characters from a path, replacing them with '_' + * + * @deprecated use {@link #replaceInvalidChars(String)} instead + */ + public static String removeForbiddenCharacters(String str) { + return str.replace('[', '_').replace(']', '_').replace('/', '_') + .replace('*', '_'); + + } + /** Cleanly disposes a {@link Binary} even if it is null. */ public static void closeQuietly(Binary binary) { if (binary == null) @@ -568,6 +792,43 @@ public class JcrUtils implements ArgeoJcrConstants { binary.dispose(); } + /** Retrieve a {@link Binary} as a byte array */ + public static byte[] getBinaryAsBytes(Property property) { + ByteArrayOutputStream out = new ByteArrayOutputStream(); + InputStream in = null; + Binary binary = null; + try { + binary = property.getBinary(); + in = binary.getStream(); + IOUtils.copy(in, out); + return out.toByteArray(); + } catch (Exception e) { + throw new ArgeoException("Cannot read binary " + property + + " as bytes", e); + } finally { + IOUtils.closeQuietly(out); + IOUtils.closeQuietly(in); + closeQuietly(binary); + } + } + + /** Writes a {@link Binary} from a byte array */ + public static void setBinaryAsBytes(Node node, String property, byte[] bytes) { + InputStream in = null; + Binary binary = null; + try { + in = new ByteArrayInputStream(bytes); + binary = node.getSession().getValueFactory().createBinary(in); + node.setProperty(property, binary); + } catch (Exception e) { + throw new ArgeoException("Cannot read binary " + property + + " as bytes", e); + } finally { + IOUtils.closeQuietly(in); + closeQuietly(binary); + } + } + /** * Creates depth from a string (typically a username) by adding levels based * on its first characters: "aBcD",2 => a/aB @@ -623,6 +884,21 @@ public class JcrUtils implements ArgeoJcrConstants { } } + /** + * Discards the current changes in the session attached to this node. To be + * used typically in a catch block. + * + * @see #discardQuietly(Session) + */ + public static void discardUnderlyingSessionQuietly(Node node) { + try { + discardQuietly(node.getSession()); + } catch (RepositoryException e) { + log.warn("Cannot quietly discard session of node " + node + ": " + + e.getMessage()); + } + } + /** * Discards the current changes in a session by calling * {@link Session#refresh(boolean)} with false, only logging @@ -640,8 +916,13 @@ public class JcrUtils implements ArgeoJcrConstants { /** Logs out the session, not throwing any exception, even if it is null. */ public static void logoutQuietly(Session session) { - if (session != null) - session.logout(); + try { + if (session != null) + if (session.isLive()) + session.logout(); + } catch (Exception e) { + // silent + } } /** Returns the home node of the session user or null if none was found. */ @@ -650,6 +931,30 @@ public class JcrUtils implements ArgeoJcrConstants { return getUserHome(session, userID); } + /** + * Returns user home has path, embedding exceptions. Contrary to + * {@link #getUserHome(Session)}, it never returns null but throws and + * exception if not found. + */ + public static String getUserHomePath(Session session) { + String userID = session.getUserID(); + try { + Node userHome = getUserHome(session, userID); + if (userHome != null) + return userHome.getPath(); + else + throw new ArgeoException("No home registered for " + userID); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot find user home path", e); + } + } + + /** Get the profile of the user attached to this session. */ + public static Node getUserProfile(Session session) { + String userID = session.getUserID(); + return getUserProfile(session, userID); + } + /** * Returns the home node of the session user or null if none was found. * @@ -657,10 +962,10 @@ public class JcrUtils implements ArgeoJcrConstants { * the session to use in order to perform the search, this can be * a session with a different user ID than the one searched, * typically when a system or admin session is used. - * @param userID - * the id of the user + * @param username + * the username of the user */ - public static Node getUserHome(Session session, String userID) { + public static Node getUserHome(Session session, String username) { try { QueryObjectModelFactory qomf = session.getWorkspace() .getQueryManager().getQOMFactory(); @@ -671,14 +976,218 @@ public class JcrUtils implements ArgeoJcrConstants { DynamicOperand userIdDop = qomf.propertyValue("userHome", ArgeoNames.ARGEO_USER_ID); StaticOperand userIdSop = qomf.literal(session.getValueFactory() - .createValue(userID)); + .createValue(username)); Constraint constraint = qomf.comparison(userIdDop, QueryObjectModelFactory.JCR_OPERATOR_EQUAL_TO, userIdSop); Query query = qomf.createQuery(userHomeSel, constraint, null, null); Node userHome = JcrUtils.querySingleNode(query); return userHome; } catch (RepositoryException e) { - throw new ArgeoException("Cannot find home for user " + userID, e); + throw new ArgeoException("Cannot find home for user " + username, e); + } + } + + public static Node getUserProfile(Session session, String username) { + try { + QueryObjectModelFactory qomf = session.getWorkspace() + .getQueryManager().getQOMFactory(); + Selector sel = qomf.selector(ArgeoTypes.ARGEO_USER_PROFILE, + "userProfile"); + DynamicOperand userIdDop = qomf.propertyValue("userProfile", + ArgeoNames.ARGEO_USER_ID); + StaticOperand userIdSop = qomf.literal(session.getValueFactory() + .createValue(username)); + Constraint constraint = qomf.comparison(userIdDop, + QueryObjectModelFactory.JCR_OPERATOR_EQUAL_TO, userIdSop); + Query query = qomf.createQuery(sel, constraint, null, null); + Node userProfile = JcrUtils.querySingleNode(query); + return userProfile; + } catch (RepositoryException e) { + throw new ArgeoException( + "Cannot find profile for user " + username, e); + } + } + + /** Creates an Argeo user home. */ + public static Node createUserHome(Session session, String homeBasePath, + String username) { + try { + if (session == null) + throw new ArgeoException("Session is null"); + if (session.hasPendingChanges()) + throw new ArgeoException( + "Session has pending changes, save them first"); + + String homePath = homeBasePath + '/' + + firstCharsToPath(username, 2) + '/' + username; + + if (session.itemExists(homePath)) { + try { + throw new ArgeoException( + "Trying to create a user home that already exists"); + } catch (Exception e) { + // we use this workaround to be sure to get the stack trace + // to identify the sink of the bug. + log.warn("trying to create an already existing userHome at path:" + + homePath + ". Stack trace : "); + e.printStackTrace(); + } + } + + Node userHome = JcrUtils.mkdirs(session, homePath); + Node userProfile; + if (userHome.hasNode(ArgeoNames.ARGEO_PROFILE)) { + log.warn("userProfile node already exists for userHome path: " + + homePath + ". We do not add a new one"); + } else { + userProfile = userHome.addNode(ArgeoNames.ARGEO_PROFILE); + userProfile.addMixin(ArgeoTypes.ARGEO_USER_PROFILE); + // session.getWorkspace().getVersionManager() + // .checkout(userProfile.getPath()); + userProfile.setProperty(ArgeoNames.ARGEO_USER_ID, username); + session.save(); + session.getWorkspace().getVersionManager() + .checkin(userProfile.getPath()); + // we need to save the profile before adding the user home type + } + userHome.addMixin(ArgeoTypes.ARGEO_USER_HOME); + // see + // http://jackrabbit.510166.n4.nabble.com/Jackrabbit-2-0-beta-6-Problem-adding-a-Mixin-type-with-mandatory-properties-after-setting-propertiesn-td1290332.html + userHome.setProperty(ArgeoNames.ARGEO_USER_ID, username); + session.save(); + return userHome; + } catch (RepositoryException e) { + discardQuietly(session); + throw new ArgeoException("Cannot create home node for user " + + username, e); + } + } + + /** + * Quietly unregisters an {@link EventListener} from the udnerlying + * workspace of this node. + */ + public static void unregisterQuietly(Node node, EventListener eventListener) { + try { + unregisterQuietly(node.getSession().getWorkspace(), eventListener); + } catch (RepositoryException e) { + // silent + if (log.isTraceEnabled()) + log.trace("Could not unregister event listener " + + eventListener); + } + } + + /** Quietly unregisters an {@link EventListener} from this workspace */ + public static void unregisterQuietly(Workspace workspace, + EventListener eventListener) { + if (eventListener == null) + return; + try { + workspace.getObservationManager() + .removeEventListener(eventListener); + } catch (RepositoryException e) { + // silent + if (log.isTraceEnabled()) + log.trace("Could not unregister event listener " + + eventListener); + } + } + + /** + * If this node is has the {@link NodeType#MIX_LAST_MODIFIED} mixin, it + * updates the {@link Property#JCR_LAST_MODIFIED} property with the current + * time and the {@link Property#JCR_LAST_MODIFIED_BY} property with the + * underlying session user id. In Jackrabbit 2.x, these properties + * are not automatically updated, hence the need for manual update. The + * session is not saved. + */ + public static void updateLastModified(Node node) { + try { + if (!node.isNodeType(NodeType.MIX_LAST_MODIFIED)) + node.addMixin(NodeType.MIX_LAST_MODIFIED); + node.setProperty(Property.JCR_LAST_MODIFIED, + new GregorianCalendar()); + node.setProperty(Property.JCR_LAST_MODIFIED_BY, node.getSession() + .getUserID()); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot update last modified on " + node, + e); + } + } + + /** Update lastModified recursively until this parent. */ + public static void updateLastModifiedAndParents(Node node, String untilPath) { + try { + if (!node.getPath().startsWith(untilPath)) + throw new ArgeoException(node + " is not under " + untilPath); + updateLastModified(node); + if (!node.getPath().equals(untilPath)) + updateLastModifiedAndParents(node.getParent(), untilPath); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot update lastModified from " + node + + " until " + untilPath, e); + } + } + + /** + * Returns a String representing the short version (see Node type + * Notation attributes grammar) of the main business attributes of this + * property definition + * + * @param prop + */ + public static String getPropertyDefinitionAsString(Property prop) { + StringBuffer sbuf = new StringBuffer(); + try { + if (prop.getDefinition().isAutoCreated()) + sbuf.append("a"); + if (prop.getDefinition().isMandatory()) + sbuf.append("m"); + if (prop.getDefinition().isProtected()) + sbuf.append("p"); + if (prop.getDefinition().isMultiple()) + sbuf.append("*"); + } catch (RepositoryException re) { + throw new ArgeoException( + "unexpected error while getting property definition as String", + re); + } + return sbuf.toString(); + } + + /** + * Estimate the sub tree size from current node. Computation is based on the + * Jcr {@link Property.getLength()} method. Note : it is not the exact size + * used on the disk by the current part of the JCR Tree. + */ + + public static long getNodeApproxSize(Node node) { + long curNodeSize = 0; + try { + PropertyIterator pi = node.getProperties(); + while (pi.hasNext()) { + Property prop = pi.nextProperty(); + if (prop.isMultiple()) { + int nb = prop.getLengths().length; + for (int i = 0; i < nb; i++) { + curNodeSize += (prop.getLengths()[i] > 0 ? prop + .getLengths()[i] : 0); + } + } else + curNodeSize += (prop.getLength() > 0 ? prop.getLength() : 0); + } + + NodeIterator ni = node.getNodes(); + while (ni.hasNext()) + curNodeSize += getNodeApproxSize(ni.nextNode()); + return curNodeSize; + } catch (RepositoryException re) { + throw new ArgeoException( + "Unexpected error while recursively determining node size.", + re); } } }