--- /dev/null
+package org.argeo.slc.repo;
+
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TimeZone;
+
+import javax.jcr.Binary;
+import javax.jcr.Credentials;
+import javax.jcr.NoSuchWorkspaceException;
+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.SimpleCredentials;
+import javax.jcr.nodetype.NodeType;
+import javax.jcr.query.Query;
+import javax.jcr.query.QueryResult;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.api.cms.CmsLog;
+import org.argeo.cms.jcr.CmsJcrUtils;
+import org.argeo.jcr.JcrMonitor;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.slc.SlcException;
+import org.xml.sax.SAXException;
+
+/**
+ * Synchronise workspaces from a remote software repository to the local
+ * repository (Synchronisation in the other direction does not work).
+ *
+ * Workspaces are retrieved by name given a map that links the source with a
+ * target name. If a target workspace does not exist, it is created. Otherwise
+ * we copy the content of the source workspace into the target one.
+ */
+public class RepoSync implements Runnable {
+ private final static CmsLog log = CmsLog.getLog(RepoSync.class);
+
+ // Centralizes definition of workspaces that must be ignored by the sync.
+ private final static List<String> IGNORED_WKSP_LIST = Arrays.asList("security", "localrepo");
+
+ private final Calendar zero;
+ private Session sourceDefaultSession = null;
+ private Session targetDefaultSession = null;
+
+ private Repository sourceRepository;
+ private Credentials sourceCredentials;
+ private Repository targetRepository;
+ private Credentials targetCredentials;
+
+ // if Repository and Credentials objects are not explicitly set
+ private String sourceRepoUri;
+ private String sourceUsername;
+ private char[] sourcePassword;
+ private String targetRepoUri;
+ private String targetUsername;
+ private char[] targetPassword;
+
+ private RepositoryFactory repositoryFactory;
+
+ private JcrMonitor monitor;
+ private Map<String, String> workspaceMap;
+
+ // TODO fix monitor
+ private Boolean filesOnly = false;
+
+ public RepoSync() {
+ zero = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
+ zero.setTimeInMillis(0);
+ }
+
+ /**
+ *
+ * Shortcut to instantiate a RepoSync with already known repositories and
+ * credentials.
+ *
+ * @param sourceRepository
+ * @param sourceCredentials
+ * @param targetRepository
+ * @param targetCredentials
+ */
+ public RepoSync(Repository sourceRepository, Credentials sourceCredentials, Repository targetRepository,
+ Credentials targetCredentials) {
+ this();
+ this.sourceRepository = sourceRepository;
+ this.sourceCredentials = sourceCredentials;
+ this.targetRepository = targetRepository;
+ this.targetCredentials = targetCredentials;
+ }
+
+ public void run() {
+ try {
+ long begin = System.currentTimeMillis();
+
+ // Setup
+ if (sourceRepository == null)
+ sourceRepository = CmsJcrUtils.getRepositoryByUri(repositoryFactory, sourceRepoUri);
+ if (sourceCredentials == null && sourceUsername != null)
+ sourceCredentials = new SimpleCredentials(sourceUsername, sourcePassword);
+ // FIXME make it more generic
+ sourceDefaultSession = sourceRepository.login(sourceCredentials, RepoConstants.DEFAULT_DEFAULT_WORKSPACE);
+
+ if (targetRepository == null)
+ targetRepository = CmsJcrUtils.getRepositoryByUri(repositoryFactory, targetRepoUri);
+ if (targetCredentials == null && targetUsername != null)
+ targetCredentials = new SimpleCredentials(targetUsername, targetPassword);
+ targetDefaultSession = targetRepository.login(targetCredentials);
+
+ Map<String, Exception> errors = new HashMap<String, Exception>();
+ for (String sourceWorkspaceName : sourceDefaultSession.getWorkspace().getAccessibleWorkspaceNames()) {
+ if (monitor != null && monitor.isCanceled())
+ break;
+
+ if (workspaceMap != null && !workspaceMap.containsKey(sourceWorkspaceName))
+ continue;
+ if (IGNORED_WKSP_LIST.contains(sourceWorkspaceName))
+ continue;
+
+ Session sourceSession = null;
+ Session targetSession = null;
+ String targetWorkspaceName = workspaceMap.get(sourceWorkspaceName);
+ try {
+ try {
+ targetSession = targetRepository.login(targetCredentials, targetWorkspaceName);
+ } catch (NoSuchWorkspaceException e) {
+ targetDefaultSession.getWorkspace().createWorkspace(targetWorkspaceName);
+ targetSession = targetRepository.login(targetCredentials, targetWorkspaceName);
+ }
+ sourceSession = sourceRepository.login(sourceCredentials, sourceWorkspaceName);
+ syncWorkspace(sourceSession, targetSession);
+ } catch (Exception e) {
+ errors.put("Could not sync workspace " + sourceWorkspaceName, e);
+ if (log.isErrorEnabled())
+ e.printStackTrace();
+
+ } finally {
+ JcrUtils.logoutQuietly(sourceSession);
+ JcrUtils.logoutQuietly(targetSession);
+ }
+ }
+
+ if (monitor != null && monitor.isCanceled())
+ log.info("Sync has been canceled by user");
+
+ long duration = (System.currentTimeMillis() - begin) / 1000;// s
+ log.info("Sync " + sourceRepoUri + " to " + targetRepoUri + " in " + (duration / 60)
+
+ + "min " + (duration % 60) + "s");
+
+ if (errors.size() > 0) {
+ throw new SlcException("Sync failed " + errors);
+ }
+ } catch (RepositoryException e) {
+ throw new SlcException("Cannot sync " + sourceRepoUri + " to " + targetRepoUri, e);
+ } finally {
+ JcrUtils.logoutQuietly(sourceDefaultSession);
+ JcrUtils.logoutQuietly(targetDefaultSession);
+ }
+ }
+
+ private long getNodesNumber(Session session) {
+ if (IGNORED_WKSP_LIST.contains(session.getWorkspace().getName()))
+ return 0l;
+ try {
+ Query countQuery = session.getWorkspace().getQueryManager().createQuery(
+ "select file from [" + (true ? NodeType.NT_FILE : NodeType.NT_BASE) + "] as file", Query.JCR_SQL2);
+
+ QueryResult result = countQuery.execute();
+ Long expectedCount = result.getNodes().getSize();
+ return expectedCount;
+ } catch (RepositoryException e) {
+ throw new SlcException("Unexpected error while computing " + "the size of the fetch for workspace "
+ + session.getWorkspace().getName(), e);
+ }
+ }
+
+ protected void syncWorkspace(Session sourceSession, Session targetSession) {
+ if (monitor != null) {
+ monitor.beginTask("Computing fetch size...", -1);
+ Long totalAmount = getNodesNumber(sourceSession);
+ monitor.beginTask("Fetch", totalAmount.intValue());
+ }
+
+ try {
+ String msg = "Synchronizing workspace: " + sourceSession.getWorkspace().getName();
+ if (monitor != null)
+ monitor.setTaskName(msg);
+ if (log.isDebugEnabled())
+ log.debug(msg);
+
+ for (NodeIterator it = sourceSession.getRootNode().getNodes(); it.hasNext();) {
+ Node node = it.nextNode();
+ if (node.getName().contains(":"))
+ continue;
+ if (node.getName().equals("download"))
+ continue;
+ if (!node.isNodeType(NodeType.NT_HIERARCHY_NODE))
+ continue;
+ syncNode(node, targetSession);
+ }
+ // if (filesOnly) {
+ // JcrUtils.copyFiles(sourceSession.getRootNode(), targetSession.getRootNode(),
+ // true, monitor);
+ // } else {
+ // for (NodeIterator it = sourceSession.getRootNode().getNodes(); it.hasNext();)
+ // {
+ // Node node = it.nextNode();
+ // if (node.getName().equals("jcr:system"))
+ // continue;
+ // syncNode(node, targetSession);
+ // }
+ // }
+ if (log.isDebugEnabled())
+ log.debug("Synced " + sourceSession.getWorkspace().getName());
+ } catch (Exception e) {
+ e.printStackTrace();
+ throw new SlcException("Cannot sync " + sourceSession.getWorkspace().getName() + " to "
+ + targetSession.getWorkspace().getName(), e);
+ }
+ }
+
+ /** factorizes monitor management */
+ private void updateMonitor(String msg) {
+ updateMonitor(msg, false);
+ }
+
+ protected void syncNode(Node sourceNode, Session targetSession) throws RepositoryException, SAXException {
+ if (filesOnly) {
+ Node targetNode;
+ if (targetSession.itemExists(sourceNode.getPath()))
+ targetNode = targetSession.getNode(sourceNode.getPath());
+ else
+ targetNode = JcrUtils.mkdirs(targetSession, sourceNode.getPath(), NodeType.NT_FOLDER);
+ JcrUtils.copyFiles(sourceNode, targetNode, true, monitor, true);
+ return;
+ }
+ // Boolean singleLevel = singleLevel(sourceNode);
+ try {
+ if (monitor != null && monitor.isCanceled()) {
+ updateMonitor("Fetched has been canceled, " + "process is terminating");
+ return;
+ }
+
+ Node targetParentNode = targetSession.getNode(sourceNode.getParent().getPath());
+ Node targetNode;
+ if (monitor != null && sourceNode.isNodeType(NodeType.NT_HIERARCHY_NODE))
+ monitor.subTask("Process " + sourceNode.getPath());
+
+ final Boolean isNew;
+ if (!targetSession.itemExists(sourceNode.getPath())) {
+ isNew = true;
+ targetNode = targetParentNode.addNode(sourceNode.getName(), sourceNode.getPrimaryNodeType().getName());
+ } else {
+ isNew = false;
+ targetNode = targetSession.getNode(sourceNode.getPath());
+ if (!targetNode.getPrimaryNodeType().getName().equals(sourceNode.getPrimaryNodeType().getName()))
+ targetNode.setPrimaryType(sourceNode.getPrimaryNodeType().getName());
+ }
+
+ // export
+ // sourceNode.getSession().exportSystemView(sourceNode.getPath(),
+ // contentHandler, false, singleLevel);
+
+ // if (singleLevel) {
+ // if (targetSession.hasPendingChanges()) {
+ // // updateMonitor(
+ // // (isNew ? "Added " : "Updated ") + targetNode.getPath(),
+ // // true);
+ // if (doSave)
+ // targetSession.save();
+ // } else {
+ // // updateMonitor("Checked " + targetNode.getPath(), false);
+ // }
+ // }
+
+ // mixin and properties
+ for (NodeType nt : sourceNode.getMixinNodeTypes()) {
+ if (!targetNode.isNodeType(nt.getName()) && targetNode.canAddMixin(nt.getName()))
+ targetNode.addMixin(nt.getName());
+ }
+ copyProperties(sourceNode, targetNode);
+
+ // next level
+ NodeIterator ni = sourceNode.getNodes();
+ while (ni != null && ni.hasNext()) {
+ Node sourceChild = ni.nextNode();
+ syncNode(sourceChild, targetSession);
+ }
+
+ copyTimestamps(sourceNode, targetNode);
+
+ if (sourceNode.isNodeType(NodeType.NT_HIERARCHY_NODE)) {
+ if (targetSession.hasPendingChanges()) {
+ if (sourceNode.isNodeType(NodeType.NT_FILE))
+ updateMonitor((isNew ? "Added " : "Updated ") + targetNode.getPath(), true);
+ // if (doSave)
+ targetSession.save();
+ } else {
+ if (sourceNode.isNodeType(NodeType.NT_FILE))
+ updateMonitor("Checked " + targetNode.getPath(), false);
+ }
+ }
+ } catch (RepositoryException e) {
+ throw new SlcException("Cannot sync source node " + sourceNode, e);
+ }
+ }
+
+ private void copyTimestamps(Node sourceNode, Node targetNode) throws RepositoryException {
+ if (sourceNode.getDefinition().isProtected())
+ return;
+ if (targetNode.getDefinition().isProtected())
+ return;
+ copyTimestamp(sourceNode, targetNode, Property.JCR_CREATED);
+ copyTimestamp(sourceNode, targetNode, Property.JCR_CREATED_BY);
+ copyTimestamp(sourceNode, targetNode, Property.JCR_LAST_MODIFIED);
+ copyTimestamp(sourceNode, targetNode, Property.JCR_LAST_MODIFIED_BY);
+ }
+
+ private void copyTimestamp(Node sourceNode, Node targetNode, String property) throws RepositoryException {
+ if (sourceNode.hasProperty(property)) {
+ Property p = sourceNode.getProperty(property);
+ if (p.getDefinition().isProtected())
+ return;
+ if (targetNode.hasProperty(property)
+ && targetNode.getProperty(property).getValue().equals(sourceNode.getProperty(property).getValue()))
+ return;
+ targetNode.setProperty(property, sourceNode.getProperty(property).getValue());
+ }
+ }
+
+ private void copyProperties(Node sourceNode, Node targetNode) throws RepositoryException {
+ properties: for (PropertyIterator pi = sourceNode.getProperties(); pi.hasNext();) {
+ Property p = pi.nextProperty();
+ if (p.getDefinition().isProtected())
+ continue properties;
+ if (p.getName().equals(Property.JCR_CREATED) || p.getName().equals(Property.JCR_CREATED_BY)
+ || p.getName().equals(Property.JCR_LAST_MODIFIED)
+ || p.getName().equals(Property.JCR_LAST_MODIFIED_BY))
+ continue properties;
+
+ if (p.getType() == PropertyType.BINARY) {
+ copyBinary(p, targetNode);
+ } else {
+
+ if (p.isMultiple()) {
+ if (!targetNode.hasProperty(p.getName())
+ || !Arrays.equals(targetNode.getProperty(p.getName()).getValues(), p.getValues()))
+ targetNode.setProperty(p.getName(), p.getValues());
+ } else {
+ if (!targetNode.hasProperty(p.getName())
+ || !targetNode.getProperty(p.getName()).getValue().equals(p.getValue()))
+ targetNode.setProperty(p.getName(), p.getValue());
+ }
+ }
+ }
+ }
+
+ private static void copyBinary(Property p, Node targetNode) throws RepositoryException {
+ InputStream in = null;
+ Binary sourceBinary = null;
+ Binary targetBinary = null;
+ try {
+ sourceBinary = p.getBinary();
+ if (targetNode.hasProperty(p.getName()))
+ targetBinary = targetNode.getProperty(p.getName()).getBinary();
+
+ // optim FIXME make it more configurable
+ if (targetBinary != null)
+ if (sourceBinary.getSize() == targetBinary.getSize()) {
+ if (log.isTraceEnabled())
+ log.trace("Skipped " + p.getPath());
+ return;
+ }
+
+ in = sourceBinary.getStream();
+ targetBinary = targetNode.getSession().getValueFactory().createBinary(in);
+ targetNode.setProperty(p.getName(), targetBinary);
+ } catch (Exception e) {
+ throw new SlcException("Could not transfer " + p, e);
+ } finally {
+ IOUtils.closeQuietly(in);
+ JcrUtils.closeQuietly(sourceBinary);
+ JcrUtils.closeQuietly(targetBinary);
+ }
+ }
+
+ /** factorizes monitor management */
+ private void updateMonitor(String msg, Boolean doLog) {
+ if (doLog && log.isDebugEnabled())
+ log.debug(msg);
+ if (monitor != null) {
+ monitor.worked(1);
+ monitor.subTask(msg);
+ }
+ }
+
+ // private void syncNode_old(Node sourceNode, Node targetParentNode)
+ // throws RepositoryException, SAXException {
+ //
+ // // enable cancelation of the current fetch process
+ // // fxme insure the repository stays in a stable state
+ // if (monitor != null && monitor.isCanceled()) {
+ // updateMonitor("Fetched has been canceled, "
+ // + "process is terminating");
+ // return;
+ // }
+ //
+ // Boolean noRecurse = singleLevel(sourceNode);
+ // Calendar sourceLastModified = null;
+ // if (sourceNode.isNodeType(NodeType.MIX_LAST_MODIFIED)) {
+ // sourceLastModified = sourceNode.getProperty(
+ // Property.JCR_LAST_MODIFIED).getDate();
+ // }
+ //
+ // if (sourceNode.getDefinition().isProtected())
+ // log.warn(sourceNode + " is protected.");
+ //
+ // if (!targetParentNode.hasNode(sourceNode.getName())) {
+ // String msg = "Adding " + sourceNode.getPath();
+ // updateMonitor(msg);
+ // if (log.isDebugEnabled())
+ // log.debug(msg);
+ // ContentHandler contentHandler = targetParentNode
+ // .getSession()
+ // .getWorkspace()
+ // .getImportContentHandler(targetParentNode.getPath(),
+ // ImportUUIDBehavior.IMPORT_UUID_COLLISION_THROW);
+ // sourceNode.getSession().exportSystemView(sourceNode.getPath(),
+ // contentHandler, false, noRecurse);
+ // } else {
+ // Node targetNode = targetParentNode.getNode(sourceNode.getName());
+ // if (sourceLastModified != null) {
+ // Calendar targetLastModified = null;
+ // if (targetNode.isNodeType(NodeType.MIX_LAST_MODIFIED)) {
+ // targetLastModified = targetNode.getProperty(
+ // Property.JCR_LAST_MODIFIED).getDate();
+ // }
+ //
+ // if (targetLastModified == null
+ // || targetLastModified.before(sourceLastModified)) {
+ // String msg = "Updating " + targetNode.getPath();
+ // updateMonitor(msg);
+ // if (log.isDebugEnabled())
+ // log.debug(msg);
+ // ContentHandler contentHandler = targetParentNode
+ // .getSession()
+ // .getWorkspace()
+ // .getImportContentHandler(
+ // targetParentNode.getPath(),
+ // ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING);
+ // sourceNode.getSession().exportSystemView(
+ // sourceNode.getPath(), contentHandler, false,
+ // noRecurse);
+ // } else {
+ // String msg = "Skipped up to date " + targetNode.getPath();
+ // updateMonitor(msg);
+ // if (log.isDebugEnabled())
+ // log.debug(msg);
+ // return;
+ // }
+ // }
+ // }
+ //
+ // if (noRecurse) {
+ // // recurse
+ // Node targetNode = targetParentNode.getNode(sourceNode.getName());
+ // if (sourceLastModified != null) {
+ // Calendar zero = new GregorianCalendar();
+ // zero.setTimeInMillis(0);
+ // targetNode.setProperty(Property.JCR_LAST_MODIFIED, zero);
+ // targetNode.getSession().save();
+ // }
+ //
+ // for (NodeIterator it = sourceNode.getNodes(); it.hasNext();) {
+ // syncNode_old(it.nextNode(), targetNode);
+ // }
+ //
+ // if (sourceLastModified != null) {
+ // targetNode.setProperty(Property.JCR_LAST_MODIFIED,
+ // sourceLastModified);
+ // targetNode.getSession().save();
+ // }
+ // }
+ // }
+
+ protected Boolean singleLevel(Node sourceNode) throws RepositoryException {
+ if (sourceNode.isNodeType(NodeType.NT_FILE))
+ return false;
+ return true;
+ }
+
+ /**
+ * Synchronises only one workspace, retrieved by name without changing its name.
+ */
+ public void setSourceWksp(String sourceWksp) {
+ if (sourceWksp != null && !sourceWksp.trim().equals("")) {
+ Map<String, String> map = new HashMap<String, String>();
+ map.put(sourceWksp, sourceWksp);
+ setWkspMap(map);
+ }
+ }
+
+ /**
+ * Synchronises a map of workspaces that will be retrieved by name. If the
+ * target name is not defined (eg null or an empty string) for a given source
+ * workspace, we use the source name as target name.
+ */
+ public void setWkspMap(Map<String, String> workspaceMap) {
+ // clean the list to ease later use
+ this.workspaceMap = new HashMap<String, String>();
+ if (workspaceMap != null) {
+ workspaceNames: for (String srcName : workspaceMap.keySet()) {
+ String targetName = workspaceMap.get(srcName);
+
+ // Sanity check
+ if (srcName.trim().equals(""))
+ continue workspaceNames;
+ if (targetName == null || "".equals(targetName.trim()))
+ targetName = srcName;
+ this.workspaceMap.put(srcName, targetName);
+ }
+ }
+ // clean the map to ease later use
+ if (this.workspaceMap.size() == 0)
+ this.workspaceMap = null;
+ }
+
+ public void setMonitor(JcrMonitor monitor) {
+ this.monitor = monitor;
+ }
+
+ public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
+ this.repositoryFactory = repositoryFactory;
+ }
+
+ public void setSourceRepoUri(String sourceRepoUri) {
+ this.sourceRepoUri = sourceRepoUri;
+ }
+
+ public void setSourceUsername(String sourceUsername) {
+ this.sourceUsername = sourceUsername;
+ }
+
+ public void setSourcePassword(char[] sourcePassword) {
+ this.sourcePassword = sourcePassword;
+ }
+
+ public void setTargetRepoUri(String targetRepoUri) {
+ this.targetRepoUri = targetRepoUri;
+ }
+
+ public void setTargetUsername(String targetUsername) {
+ this.targetUsername = targetUsername;
+ }
+
+ public void setTargetPassword(char[] targetPassword) {
+ this.targetPassword = targetPassword;
+ }
+
+ public void setSourceRepository(Repository sourceRepository) {
+ this.sourceRepository = sourceRepository;
+ }
+
+ public void setSourceCredentials(Credentials sourceCredentials) {
+ this.sourceCredentials = sourceCredentials;
+ }
+
+ public void setTargetRepository(Repository targetRepository) {
+ this.targetRepository = targetRepository;
+ }
+
+ public void setTargetCredentials(Credentials targetCredentials) {
+ this.targetCredentials = targetCredentials;
+ }
+
+ public void setFilesOnly(Boolean filesOnly) {
+ this.filesOnly = filesOnly;
+ }
+
+}
\ No newline at end of file
projects / gpl / argeo-jcr.git / blobdiff