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=9f3d761cafd79e8bdb51a7ae481fc9cfb32c847e;hb=e499eba6852f5cc487ade0db65e6f9cfc4c5d45a;hp=a1ddb3fcacb8bf47fd9bdc160056843a34d354ab;hpb=ec9049940b98397b0df2f70b6c953aa226323c59;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 a1ddb3fca..9f3d761ca 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 @@ -31,7 +31,6 @@ 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; @@ -47,7 +46,6 @@ 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; @@ -61,18 +59,19 @@ import javax.jcr.security.AccessControlManager; import javax.jcr.security.AccessControlPolicy; import javax.jcr.security.AccessControlPolicyIterator; import javax.jcr.security.Privilege; -import javax.jcr.version.VersionManager; import org.apache.commons.io.IOUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.argeo.ArgeoException; +import org.argeo.ArgeoMonitor; +import org.argeo.util.security.DigestUtils; import org.argeo.util.security.SimplePrincipal; /** Utility methods to simplify common JCR operations. */ public class JcrUtils implements ArgeoJcrConstants { - private final static Log log = LogFactory.getLog(JcrUtils.class); + final private static Log log = LogFactory.getLog(JcrUtils.class); /** * Not complete yet. See @@ -115,6 +114,20 @@ public class JcrUtils implements ArgeoJcrConstants { return node; } + /** Retrieves the node name from the provided path */ + public static String nodeNameFromPath(String path) { + if (path.equals("/")) + return ""; + if (path.charAt(0) != '/') + throw new ArgeoException("Path " + path + " must start with a '/'"); + String pathT = path; + if (pathT.charAt(pathT.length() - 1) == '/') + pathT = pathT.substring(0, pathT.length() - 2); + + int index = pathT.lastIndexOf('/'); + return pathT.substring(index + 1); + } + /** Retrieves the parent path of the provided path */ public static String parentPath(String path) { if (path.equals("/")) @@ -273,6 +286,30 @@ public class JcrUtils implements ArgeoJcrConstants { return path.substring(index + 1); } + /** + * Call {@link Node#getName()} without exceptions (useful in super + * constructors). + */ + public static String getNameQuietly(Node node) { + try { + return node.getName(); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot get name from " + node, e); + } + } + + /** + * Call {@link Node#getProperty(String)} without exceptions (useful in super + * constructors). + */ + public static String getStringPropertyQuietly(Node node, String propertyName) { + try { + return node.getProperty(propertyName).getString(); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot get name from " + node, e); + } + } + /** * Routine that get the child with this name, adding id it does not already * exist @@ -293,6 +330,54 @@ public class JcrUtils implements ArgeoJcrConstants { .addNode(childName); } + /** Convert a {@link NodeIterator} to a list of {@link Node} */ + public static List nodeIteratorToList(NodeIterator nodeIterator) { + List nodes = new ArrayList(); + while (nodeIterator.hasNext()) { + nodes.add(nodeIterator.nextNode()); + } + return nodes; + } + + /* + * PROPERTIES + */ + + /** + * Concisely get the string value of a property or null if this node doesn't + * have this property + */ + public static String get(Node node, String propertyName) { + try { + if (!node.hasProperty(propertyName)) + return null; + return node.getProperty(propertyName).getString(); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot get property " + propertyName + + " of " + node, e); + } + } + + /** Concisely get the boolean value of a property */ + public static Boolean check(Node node, String propertyName) { + try { + return node.getProperty(propertyName).getBoolean(); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot get property " + propertyName + + " of " + node, e); + } + } + + /** Concisely get the bytes array value of a property */ + public static byte[] getBytes(Node node, String propertyName) { + try { + return getBinaryAsBytes(node.getProperty(propertyName)); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot get property " + propertyName + + " of " + node, e); + } + } + /** 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); @@ -340,14 +425,6 @@ public class JcrUtils implements ArgeoJcrConstants { return mkdirsSafe(session, path, null); } - /** - * Creates the nodes making the path as {@link NodeType#NT_FOLDER} - */ - public static Node mkfolders(Session session, String path) { - return mkdirs(session, path, NodeType.NT_FOLDER, NodeType.NT_FOLDER, - false); - } - /** * Creates the nodes making path, if they don't exist. This is up to the * caller to save the session. Use with caution since it can create @@ -583,6 +660,9 @@ public class JcrUtils implements ArgeoJcrConstants { */ public static void copy(Node fromNode, Node toNode) { try { + if (toNode.getDefinition().isProtected()) + return; + // process properties PropertyIterator pit = fromNode.getProperties(); properties: while (pit.hasNext()) { @@ -894,73 +974,6 @@ public class JcrUtils implements ArgeoJcrConstants { } } - /** - * Copy a file as an nt:file, assuming an nt:folder hierarchy. The session - * is NOT saved. - * - * @return the created file node - */ - public static Node copyFile(Node folderNode, File file) { - InputStream in = null; - try { - in = new FileInputStream(file); - return copyStreamAsFile(folderNode, file.getName(), in); - } catch (IOException e) { - throw new ArgeoException("Cannot copy file " + file + " under " - + folderNode, e); - } finally { - IOUtils.closeQuietly(in); - } - } - - /** Copy bytes as an nt:file */ - public static Node copyBytesAsFile(Node folderNode, String fileName, - byte[] bytes) { - InputStream in = null; - try { - in = new ByteArrayInputStream(bytes); - return copyStreamAsFile(folderNode, fileName, in); - } catch (Exception e) { - throw new ArgeoException("Cannot copy file " + fileName + " under " - + folderNode, e); - } finally { - IOUtils.closeQuietly(in); - } - } - - /** - * Copy a stream as an nt:file, assuming an nt:folder hierarchy. The session - * is NOT saved. - * - * @return the created file node - */ - public static Node copyStreamAsFile(Node folderNode, String fileName, - InputStream in) { - Binary binary = null; - try { - Node fileNode; - Node contentNode; - if (folderNode.hasNode(fileName)) { - fileNode = folderNode.getNode(fileName); - // we assume that the content node is already there - contentNode = fileNode.getNode(Node.JCR_CONTENT); - } else { - fileNode = folderNode.addNode(fileName, NodeType.NT_FILE); - contentNode = fileNode.addNode(Node.JCR_CONTENT, - NodeType.NT_RESOURCE); - } - binary = contentNode.getSession().getValueFactory() - .createBinary(in); - contentNode.setProperty(Property.JCR_DATA, binary); - return fileNode; - } catch (Exception e) { - throw new ArgeoException("Cannot create file node " + fileName - + " under " + folderNode, e); - } finally { - closeQuietly(binary); - } - } - /** * Creates depth from a string (typically a username) by adding levels based * on its first characters: "aBcD",2 => a/aB @@ -980,42 +993,6 @@ public class JcrUtils implements ArgeoJcrConstants { return path.toString(); } - /** - * Wraps the call to the repository factory based on parameter - * {@link ArgeoJcrConstants#JCR_REPOSITORY_ALIAS} in order to simplify it - * and protect against future API changes. - */ - public static Repository getRepositoryByAlias( - RepositoryFactory repositoryFactory, String alias) { - try { - Map parameters = new HashMap(); - parameters.put(JCR_REPOSITORY_ALIAS, alias); - return repositoryFactory.getRepository(parameters); - } catch (RepositoryException e) { - throw new ArgeoException( - "Unexpected exception when trying to retrieve repository with alias " - + alias, e); - } - } - - /** - * Wraps the call to the repository factory based on parameter - * {@link ArgeoJcrConstants#JCR_REPOSITORY_URI} in order to simplify it and - * protect against future API changes. - */ - public static Repository getRepositoryByUri( - RepositoryFactory repositoryFactory, String uri) { - try { - Map parameters = new HashMap(); - parameters.put(JCR_REPOSITORY_URI, uri); - return repositoryFactory.getRepository(parameters); - } catch (RepositoryException e) { - throw new ArgeoException( - "Unexpected exception when trying to retrieve repository with uri " - + uri, e); - } - } - /** * Discards the current changes in the session attached to this node. To be * used typically in a catch block. @@ -1089,8 +1066,14 @@ public class JcrUtils implements ArgeoJcrConstants { try { session.getWorkspace() .getObservationManager() - .addEventListener(listener, eventTypes, basePath, true, - null, new String[] { nodeType }, true); + .addEventListener( + listener, + eventTypes, + basePath, + true, + null, + nodeType == null ? null : new String[] { nodeType }, + true); } catch (RepositoryException e) { throw new ArgeoException("Cannot add JCR listener " + listener + " to session " + session, e); @@ -1110,235 +1093,6 @@ public class JcrUtils implements ArgeoJcrConstants { } } - /** Returns the home node of the session user or null if none was found. */ - public static Node getUserHome(Session session) { - String userID = session.getUserID(); - return getUserHome(session, userID); - } - - /** User home path is NOT configurable */ - public static String getUserHomePath(String username) { - String homeBasePath = DEFAULT_HOME_BASE_PATH; - return homeBasePath + '/' + firstCharsToPath(username, 2) + '/' - + username; - } - - /** - * Returns the home node of the session user or null if none was found. - * - * @param session - * 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 username - * the username of the user - */ - public static Node getUserHome(Session session, String username) { - try { - String homePath = getUserHomePath(username); - return session.itemExists(homePath) ? session.getNode(homePath) - : null; - // kept for example of QOM queries - // QueryObjectModelFactory qomf = session.getWorkspace() - // .getQueryManager().getQOMFactory(); - // Selector userHomeSel = qomf.selector(ArgeoTypes.ARGEO_USER_HOME, - // "userHome"); - // DynamicOperand userIdDop = qomf.propertyValue("userHome", - // 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(userHomeSel, constraint, null, - // null); - // Node userHome = JcrUtils.querySingleNode(query); - } catch (RepositoryException e) { - throw new ArgeoException("Cannot find home for user " + username, e); - } - } - - /** - * Creates an Argeo user home, does nothing if it already exists. Session is - * NOT saved. - */ - public static Node createUserHomeIfNeeded(Session session, String username) { - try { - String homePath = getUserHomePath(username); - if (session.itemExists(homePath)) - return session.getNode(homePath); - else { - Node userHome = JcrUtils.mkdirs(session, homePath); - userHome.addMixin(ArgeoTypes.ARGEO_USER_HOME); - userHome.setProperty(ArgeoNames.ARGEO_USER_ID, username); - return userHome; - } - } catch (RepositoryException e) { - discardQuietly(session); - throw new ArgeoException("Cannot create home for " + username - + " in workspace " + session.getWorkspace().getName(), e); - } - } - - /** - * Creates a user profile in the home of this user. Creates the home if - * needed, but throw an exception if a profile already exists. The session - * is not saved and the node is in a checkedOut state (that is, it requires - * a subsequent checkin after saving the session). - */ - public static Node createUserProfile(Session session, String username) { - try { - Node userHome = createUserHomeIfNeeded(session, username); - if (userHome.hasNode(ArgeoNames.ARGEO_PROFILE)) - throw new ArgeoException( - "There is already a user profile under " + userHome); - Node userProfile = userHome.addNode(ArgeoNames.ARGEO_PROFILE); - userProfile.addMixin(ArgeoTypes.ARGEO_USER_PROFILE); - userProfile.setProperty(ArgeoNames.ARGEO_USER_ID, username); - userProfile.setProperty(ArgeoNames.ARGEO_ENABLED, true); - userProfile.setProperty(ArgeoNames.ARGEO_ACCOUNT_NON_EXPIRED, true); - userProfile.setProperty(ArgeoNames.ARGEO_ACCOUNT_NON_LOCKED, true); - userProfile.setProperty(ArgeoNames.ARGEO_CREDENTIALS_NON_EXPIRED, - true); - return userProfile; - } catch (RepositoryException e) { - discardQuietly(session); - throw new ArgeoException("Cannot create user profile for " - + username + " in workspace " - + session.getWorkspace().getName(), e); - } - } - - /** - * Create user profile if needed, the session IS saved. - * - * @return the user profile - */ - public static Node createUserProfileIfNeeded(Session securitySession, - String username) { - try { - Node userHome = JcrUtils.createUserHomeIfNeeded(securitySession, - username); - Node userProfile = userHome.hasNode(ArgeoNames.ARGEO_PROFILE) ? userHome - .getNode(ArgeoNames.ARGEO_PROFILE) : JcrUtils - .createUserProfile(securitySession, username); - if (securitySession.hasPendingChanges()) - securitySession.save(); - VersionManager versionManager = securitySession.getWorkspace() - .getVersionManager(); - if (versionManager.isCheckedOut(userProfile.getPath())) - versionManager.checkin(userProfile.getPath()); - return userProfile; - } catch (RepositoryException e) { - discardQuietly(securitySession); - throw new ArgeoException("Cannot create user profile for " - + username + " in workspace " - + securitySession.getWorkspace().getName(), 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 = getUserHomePath(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); - // } - // } - - /** - * Returns user home has path, embedding exceptions. Contrary to - * {@link #getUserHome(Session)}, it never returns null but throws and - * exception if not found. - * - * @deprecated use getUserHome() instead, throwing an exception if it - * returns null - */ - @Deprecated - public static String getUserHomePath(Session session) { - String userID = session.getUserID(); - try { - String homePath = getUserHomePath(userID); - if (session.itemExists(homePath)) - return homePath; - else - throw new ArgeoException("No home registered for " + userID); - } catch (RepositoryException e) { - throw new ArgeoException("Cannot find user home path", e); - } - } - - /** - * @return null if not found * - */ - public static Node getUserProfile(Session session, String username) { - try { - Node userHome = getUserHome(session, username); - if (userHome == null) - return null; - if (userHome.hasNode(ArgeoNames.ARGEO_PROFILE)) - return userHome.getNode(ArgeoNames.ARGEO_PROFILE); - else - return null; - } catch (RepositoryException e) { - throw new ArgeoException( - "Cannot find profile for user " + username, 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); - } - /** * Quietly unregisters an {@link EventListener} from the udnerlying * workspace of this node. @@ -1475,7 +1229,7 @@ public class JcrUtils implements ArgeoJcrConstants { * Convenience method for adding a single privilege to a principal (user or * role), typically jcr:all */ - public static void addPrivilege(Session session, String path, + public synchronized static void addPrivilege(Session session, String path, String principal, String privilege) throws RepositoryException { List privileges = new ArrayList(); privileges.add(session.getAccessControlManager().privilegeFromName( @@ -1485,12 +1239,33 @@ public class JcrUtils implements ArgeoJcrConstants { /** * Add privileges on a path to a {@link Principal}. The path must already - * exist. + * exist. Session is saved. Synchronized to prevent concurrent modifications + * of the same node. */ - public static void addPrivileges(Session session, String path, + public synchronized static void addPrivileges(Session session, String path, Principal principal, List privs) throws RepositoryException { + // make sure the session is in line with the persisted state + session.refresh(false); AccessControlManager acm = session.getAccessControlManager(); + AccessControlList acl = getAccessControlList(acm, path); + acl.addAccessControlEntry(principal, + privs.toArray(new Privilege[privs.size()])); + acm.setPolicy(path, acl); + if (log.isDebugEnabled()) { + StringBuffer privBuf = new StringBuffer(); + for (Privilege priv : privs) + privBuf.append(priv.getName()); + log.debug("Added privileges " + privBuf + " to " + principal + + " on " + path); + } + session.refresh(true); + session.save(); + } + + /** Gets access control list for this path, throws exception if not found */ + public synchronized static AccessControlList getAccessControlList( + AccessControlManager acm, String path) throws RepositoryException { // search for an access control list AccessControlList acl = null; AccessControlPolicyIterator policyIterator = acm @@ -1509,17 +1284,212 @@ public class JcrUtils implements ArgeoJcrConstants { acl = ((AccessControlList) acp); } } + if (acl != null) + return acl; + else + throw new ArgeoException("ACL not found at " + path); + } - if (acl != null) { - acl.addAccessControlEntry(principal, - privs.toArray(new Privilege[privs.size()])); - acm.setPolicy(path, acl); - if (log.isDebugEnabled()) - log.debug("Added privileges " + privs + " to " + principal - + " on " + path); - } else { - throw new ArgeoException("Don't know how to apply privileges " - + privs + " to " + principal + " on " + path); + /** Clear authorizations for a user at this path */ + public synchronized static void clearAccessControList(Session session, + String path, String username) throws RepositoryException { + AccessControlManager acm = session.getAccessControlManager(); + AccessControlList acl = getAccessControlList(acm, path); + for (AccessControlEntry ace : acl.getAccessControlEntries()) { + if (ace.getPrincipal().getName().equals(username)) { + acl.removeAccessControlEntry(ace); + } + } + } + + /* + * FILES UTILITIES + */ + /** + * Creates the nodes making the path as {@link NodeType#NT_FOLDER} + */ + public static Node mkfolders(Session session, String path) { + return mkdirs(session, path, NodeType.NT_FOLDER, NodeType.NT_FOLDER, + false); + } + + /** + * Copy only nt:folder and nt:file, without their additional types and + * properties. + * + * @param recursive + * if true copies folders as well, otherwise only first level + * files + * @return how many files were copied + */ + public static Long copyFiles(Node fromNode, Node toNode, Boolean recursive, + ArgeoMonitor monitor) { + long count = 0l; + + Binary binary = null; + InputStream in = null; + try { + NodeIterator fromChildren = fromNode.getNodes(); + while (fromChildren.hasNext()) { + if (monitor != null && monitor.isCanceled()) + throw new ArgeoException( + "Copy cancelled before it was completed"); + + Node fromChild = fromChildren.nextNode(); + String fileName = fromChild.getName(); + if (fromChild.isNodeType(NodeType.NT_FILE)) { + if (monitor != null) + monitor.subTask("Copy " + fileName); + binary = fromChild.getNode(Node.JCR_CONTENT) + .getProperty(Property.JCR_DATA).getBinary(); + in = binary.getStream(); + copyStreamAsFile(toNode, fileName, in); + IOUtils.closeQuietly(in); + closeQuietly(binary); + + // save session + toNode.getSession().save(); + count++; + + if (log.isDebugEnabled()) + log.debug("Copied file " + fromChild.getPath()); + if (monitor != null) + monitor.worked(1); + } else if (fromChild.isNodeType(NodeType.NT_FOLDER) + && recursive) { + Node toChildFolder; + if (toNode.hasNode(fileName)) { + toChildFolder = toNode.getNode(fileName); + if (!toChildFolder.isNodeType(NodeType.NT_FOLDER)) + throw new ArgeoException(toChildFolder + + " is not of type nt:folder"); + } else { + toChildFolder = toNode.addNode(fileName, + NodeType.NT_FOLDER); + + // save session + toNode.getSession().save(); + } + count = count + + copyFiles(fromChild, toChildFolder, recursive, + monitor); + } + } + return count; + } catch (RepositoryException e) { + throw new ArgeoException("Cannot copy files between " + fromNode + + " and " + toNode); + } finally { + // in case there was an exception + IOUtils.closeQuietly(in); + closeQuietly(binary); + } + } + + /** + * Iteratively count all file nodes in subtree, inefficient but can be + * useful when query are poorly supported, such as in remoting. + */ + public static Long countFiles(Node node) { + Long localCount = 0l; + try { + for (NodeIterator nit = node.getNodes(); nit.hasNext();) { + Node child = nit.nextNode(); + if (child.isNodeType(NodeType.NT_FOLDER)) + localCount = localCount + countFiles(child); + else if (child.isNodeType(NodeType.NT_FILE)) + localCount = localCount + 1; + } + } catch (RepositoryException e) { + throw new ArgeoException("Cannot count all children of " + node); + } + return localCount; + } + + /** + * Copy a file as an nt:file, assuming an nt:folder hierarchy. The session + * is NOT saved. + * + * @return the created file node + */ + public static Node copyFile(Node folderNode, File file) { + InputStream in = null; + try { + in = new FileInputStream(file); + return copyStreamAsFile(folderNode, file.getName(), in); + } catch (IOException e) { + throw new ArgeoException("Cannot copy file " + file + " under " + + folderNode, e); + } finally { + IOUtils.closeQuietly(in); + } + } + + /** Copy bytes as an nt:file */ + public static Node copyBytesAsFile(Node folderNode, String fileName, + byte[] bytes) { + InputStream in = null; + try { + in = new ByteArrayInputStream(bytes); + return copyStreamAsFile(folderNode, fileName, in); + } catch (Exception e) { + throw new ArgeoException("Cannot copy file " + fileName + " under " + + folderNode, e); + } finally { + IOUtils.closeQuietly(in); + } + } + + /** + * Copy a stream as an nt:file, assuming an nt:folder hierarchy. The session + * is NOT saved. + * + * @return the created file node + */ + public static Node copyStreamAsFile(Node folderNode, String fileName, + InputStream in) { + Binary binary = null; + try { + Node fileNode; + Node contentNode; + if (folderNode.hasNode(fileName)) { + fileNode = folderNode.getNode(fileName); + if (!fileNode.isNodeType(NodeType.NT_FILE)) + throw new ArgeoException(fileNode + + " is not of type nt:file"); + // we assume that the content node is already there + contentNode = fileNode.getNode(Node.JCR_CONTENT); + } else { + fileNode = folderNode.addNode(fileName, NodeType.NT_FILE); + contentNode = fileNode.addNode(Node.JCR_CONTENT, + NodeType.NT_RESOURCE); + } + binary = contentNode.getSession().getValueFactory() + .createBinary(in); + contentNode.setProperty(Property.JCR_DATA, binary); + return fileNode; + } catch (Exception e) { + throw new ArgeoException("Cannot create file node " + fileName + + " under " + folderNode, e); + } finally { + closeQuietly(binary); + } + } + + /** Computes the checksum of an nt:file */ + public static String checksumFile(Node fileNode, String algorithm) { + Binary data = null; + InputStream in = null; + try { + data = fileNode.getNode(Node.JCR_CONTENT) + .getProperty(Property.JCR_DATA).getBinary(); + in = data.getStream(); + return DigestUtils.digest(algorithm, in); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot checksum file " + fileNode, e); + } finally { + IOUtils.closeQuietly(in); + closeQuietly(data); } }