repo/RepoUtils.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.repo;
  17
  18 import java.io.ByteArrayOutputStream;
  19 import java.io.File;
  20 import java.io.FileInputStream;
  21 import java.io.IOException;
  22 import java.io.InputStream;
  23 import java.io.OutputStream;
  24 import java.util.Enumeration;
  25 import java.util.Iterator;
  26 import java.util.Set;
  27 import java.util.StringTokenizer;
  28 import java.util.TreeSet;
  29 import java.util.jar.Attributes;
  30 import java.util.jar.JarEntry;
  31 import java.util.jar.JarFile;
  32 import java.util.jar.JarInputStream;
  33 import java.util.jar.JarOutputStream;
  34 import java.util.jar.Manifest;
  35 import java.util.zip.ZipInputStream;
  36
  37 import javax.jcr.Credentials;
  38 import javax.jcr.GuestCredentials;
  39 import javax.jcr.Node;
  40 import javax.jcr.NodeIterator;
  41 import javax.jcr.Property;
  42 import javax.jcr.PropertyIterator;
  43 import javax.jcr.Repository;
  44 import javax.jcr.RepositoryException;
  45 import javax.jcr.RepositoryFactory;
  46 import javax.jcr.Session;
  47 import javax.jcr.SimpleCredentials;
  48 import javax.jcr.nodetype.NodeType;
  49
  50 import org.apache.commons.io.FilenameUtils;
  51 import org.apache.commons.io.IOUtils;
  52 import org.apache.commons.logging.Log;
  53 import org.apache.commons.logging.LogFactory;
  54 import org.argeo.cms.ArgeoNames;
  55 import org.argeo.cms.ArgeoTypes;
  56 import org.argeo.jcr.JcrMonitor;
  57 import org.argeo.jcr.JcrUtils;
  58 import org.argeo.node.NodeUtils;
  59 import org.argeo.node.security.Keyring;
  60 import org.argeo.slc.DefaultNameVersion;
  61 import org.argeo.slc.NameVersion;
  62 import org.argeo.slc.SlcException;
  63 import org.argeo.slc.SlcNames;
  64 import org.argeo.slc.SlcTypes;
  65 import org.argeo.slc.repo.maven.ArtifactIdComparator;
  66 import org.argeo.slc.repo.maven.MavenConventionsUtils;
  67 import org.eclipse.aether.artifact.Artifact;
  68 import org.eclipse.aether.artifact.DefaultArtifact;
  69 import org.osgi.framework.Constants;
  70
  71 /** Utilities around repo */
  72 public class RepoUtils implements ArgeoNames, SlcNames {
  73         private final static Log log = LogFactory.getLog(RepoUtils.class);
  74
  75         /** Packages a regular sources jar as PDE source. */
  76         public static void packagesAsPdeSource(File sourceFile,
  77                         NameVersion nameVersion, OutputStream out) throws IOException {
  78                 if (isAlreadyPdeSource(sourceFile)) {
  79                         FileInputStream in = new FileInputStream(sourceFile);
  80                         IOUtils.copy(in, out);
  81                         IOUtils.closeQuietly(in);
  82                 } else {
  83                         String sourceSymbolicName = nameVersion.getName() + ".source";
  84
  85                         Manifest sourceManifest = null;
  86                         sourceManifest = new Manifest();
  87                         sourceManifest.getMainAttributes().put(
  88                                         Attributes.Name.MANIFEST_VERSION, "1.0");
  89                         sourceManifest.getMainAttributes().putValue("Bundle-SymbolicName",
  90                                         sourceSymbolicName);
  91                         sourceManifest.getMainAttributes().putValue("Bundle-Version",
  92                                         nameVersion.getVersion());
  93                         sourceManifest.getMainAttributes().putValue(
  94                                         "Eclipse-SourceBundle",
  95                                         nameVersion.getName() + ";version="
  96                                                         + nameVersion.getVersion());
  97                         copyJar(sourceFile, out, sourceManifest);
  98                 }
  99         }
 100
 101         public static byte[] packageAsPdeSource(InputStream sourceJar,
 102                         NameVersion nameVersion) {
 103                 String sourceSymbolicName = nameVersion.getName() + ".source";
 104
 105                 Manifest sourceManifest = null;
 106                 sourceManifest = new Manifest();
 107                 sourceManifest.getMainAttributes().put(
 108                                 Attributes.Name.MANIFEST_VERSION, "1.0");
 109                 sourceManifest.getMainAttributes().putValue("Bundle-SymbolicName",
 110                                 sourceSymbolicName);
 111                 sourceManifest.getMainAttributes().putValue("Bundle-Version",
 112                                 nameVersion.getVersion());
 113                 sourceManifest.getMainAttributes().putValue("Eclipse-SourceBundle",
 114                                 nameVersion.getName() + ";version=" + nameVersion.getVersion());
 115
 116                 return modifyManifest(sourceJar, sourceManifest);
 117         }
 118
 119         /**
 120          * Check whether the file as already been packaged as PDE source, in order
 121          * not to mess with Jar signing
 122          */
 123         private static boolean isAlreadyPdeSource(File sourceFile) {
 124                 JarInputStream jarInputStream = null;
 125
 126                 try {
 127                         jarInputStream = new JarInputStream(new FileInputStream(sourceFile));
 128
 129                         Manifest manifest = jarInputStream.getManifest();
 130                         Iterator<?> it = manifest.getMainAttributes().keySet().iterator();
 131                         boolean res = false;
 132                         // containsKey() does not work, iterating...
 133                         while (it.hasNext())
 134                                 if (it.next().toString().equals("Eclipse-SourceBundle")) {
 135                                         res = true;
 136                                         break;
 137                                 }
 138                         // boolean res = manifest.getMainAttributes().get(
 139                         // "Eclipse-SourceBundle") != null;
 140                         if (res)
 141                                 log.info(sourceFile + " is already a PDE source");
 142                         return res;
 143                 } catch (Exception e) {
 144                         // probably not a jar, skipping
 145                         if (log.isDebugEnabled())
 146                                 log.debug("Skipping " + sourceFile + " because of "
 147                                                 + e.getMessage());
 148                         return false;
 149                 } finally {
 150                         IOUtils.closeQuietly(jarInputStream);
 151                 }
 152         }
 153
 154         /**
 155          * Copy a jar, replacing its manifest with the provided one
 156          *
 157          * @param manifest
 158          *            can be null
 159          */
 160         private static void copyJar(File source, OutputStream out, Manifest manifest)
 161                         throws IOException {
 162                 JarFile sourceJar = null;
 163                 JarOutputStream output = null;
 164                 try {
 165                         output = manifest != null ? new JarOutputStream(out, manifest)
 166                                         : new JarOutputStream(out);
 167                         sourceJar = new JarFile(source);
 168
 169                         entries: for (Enumeration<?> entries = sourceJar.entries(); entries
 170                                         .hasMoreElements();) {
 171                                 JarEntry entry = (JarEntry) entries.nextElement();
 172                                 if (manifest != null
 173                                                 && entry.getName().equals("META-INF/MANIFEST.MF"))
 174                                         continue entries;
 175
 176                                 InputStream entryStream = sourceJar.getInputStream(entry);
 177                                 JarEntry newEntry = new JarEntry(entry.getName());
 178                                 // newEntry.setMethod(JarEntry.DEFLATED);
 179                                 output.putNextEntry(newEntry);
 180                                 IOUtils.copy(entryStream, output);
 181                         }
 182                 } finally {
 183                         IOUtils.closeQuietly(output);
 184                         try {
 185                                 if (sourceJar != null)
 186                                         sourceJar.close();
 187                         } catch (IOException e) {
 188                                 // silent
 189                         }
 190                 }
 191         }
 192
 193         /** Copy a jar changing onlythe manifest */
 194         public static void copyJar(InputStream in, OutputStream out,
 195                         Manifest manifest) {
 196                 JarInputStream jarIn = null;
 197                 JarOutputStream jarOut = null;
 198                 try {
 199                         jarIn = new JarInputStream(in);
 200                         jarOut = new JarOutputStream(out, manifest);
 201                         JarEntry jarEntry = null;
 202                         while ((jarEntry = jarIn.getNextJarEntry()) != null) {
 203                                 if (!jarEntry.getName().equals("META-INF/MANIFEST.MF")) {
 204                                         JarEntry newJarEntry = new JarEntry(jarEntry.getName());
 205                                         jarOut.putNextEntry(newJarEntry);
 206                                         IOUtils.copy(jarIn, jarOut);
 207                                         jarIn.closeEntry();
 208                                         jarOut.closeEntry();
 209                                 }
 210                         }
 211                 } catch (IOException e) {
 212                         throw new SlcException("Could not copy jar with MANIFEST "
 213                                         + manifest.getMainAttributes(), e);
 214                 } finally {
 215                         if (!(in instanceof ZipInputStream))
 216                                 IOUtils.closeQuietly(jarIn);
 217                         IOUtils.closeQuietly(jarOut);
 218                 }
 219         }
 220
 221         /** Reads a jar file, modify its manifest */
 222         public static byte[] modifyManifest(InputStream in, Manifest manifest) {
 223                 ByteArrayOutputStream out = new ByteArrayOutputStream(200 * 1024);
 224                 try {
 225                         copyJar(in, out, manifest);
 226                         return out.toByteArray();
 227                 } finally {
 228                         IOUtils.closeQuietly(out);
 229                 }
 230         }
 231
 232         /** Read the OSGi {@link NameVersion} */
 233         public static NameVersion readNameVersion(Artifact artifact) {
 234                 File artifactFile = artifact.getFile();
 235                 if (artifact.getExtension().equals("pom")) {
 236                         // hack to process jars which weirdly appear as POMs
 237                         File jarFile = new File(artifactFile.getParentFile(),
 238                                         FilenameUtils.getBaseName(artifactFile.getPath()) + ".jar");
 239                         if (jarFile.exists()) {
 240                                 log.warn("Use " + jarFile + " instead of " + artifactFile
 241                                                 + " for " + artifact);
 242                                 artifactFile = jarFile;
 243                         }
 244                 }
 245                 return readNameVersion(artifactFile);
 246         }
 247
 248         /** Read the OSGi {@link NameVersion} */
 249         public static NameVersion readNameVersion(File artifactFile) {
 250                 try {
 251                         return readNameVersion(new FileInputStream(artifactFile));
 252                 } catch (Exception e) {
 253                         // probably not a jar, skipping
 254                         if (log.isDebugEnabled()) {
 255                                 log.debug("Skipping " + artifactFile + " because of " + e);
 256                                 // e.printStackTrace();
 257                         }
 258                 }
 259                 return null;
 260         }
 261
 262         /** Read the OSGi {@link NameVersion} */
 263         public static NameVersion readNameVersion(InputStream in) {
 264                 JarInputStream jarInputStream = null;
 265                 try {
 266                         jarInputStream = new JarInputStream(in);
 267                         return readNameVersion(jarInputStream.getManifest());
 268                 } catch (Exception e) {
 269                         // probably not a jar, skipping
 270                         if (log.isDebugEnabled()) {
 271                                 log.debug("Skipping because of " + e);
 272                         }
 273                 } finally {
 274                         IOUtils.closeQuietly(jarInputStream);
 275                 }
 276                 return null;
 277         }
 278
 279         /** Read the OSGi {@link NameVersion} */
 280         public static NameVersion readNameVersion(Manifest manifest) {
 281                 DefaultNameVersion nameVersion = new DefaultNameVersion();
 282                 nameVersion.setName(manifest.getMainAttributes().getValue(
 283                                 Constants.BUNDLE_SYMBOLICNAME));
 284
 285                 // Skip additional specs such as
 286                 // ; singleton:=true
 287                 if (nameVersion.getName().indexOf(';') > -1) {
 288                         nameVersion
 289                                         .setName(new StringTokenizer(nameVersion.getName(), " ;")
 290                                                         .nextToken());
 291                 }
 292
 293                 nameVersion.setVersion(manifest.getMainAttributes().getValue(
 294                                 Constants.BUNDLE_VERSION));
 295
 296                 return nameVersion;
 297         }
 298
 299         /*
 300          * DATA MODEL
 301          */
 302         /** The artifact described by this node */
 303         public static Artifact asArtifact(Node node) throws RepositoryException {
 304                 if (node.isNodeType(SlcTypes.SLC_ARTIFACT_VERSION_BASE)) {
 305                         // FIXME update data model to store packaging at this level
 306                         String extension = "jar";
 307                         return new DefaultArtifact(node.getProperty(SLC_GROUP_ID)
 308                                         .getString(),
 309                                         node.getProperty(SLC_ARTIFACT_ID).getString(), extension,
 310                                         node.getProperty(SLC_ARTIFACT_VERSION).getString());
 311                 } else if (node.isNodeType(SlcTypes.SLC_ARTIFACT)) {
 312                         return new DefaultArtifact(node.getProperty(SLC_GROUP_ID)
 313                                         .getString(),
 314                                         node.getProperty(SLC_ARTIFACT_ID).getString(), node
 315                                                         .getProperty(SLC_ARTIFACT_CLASSIFIER).getString(),
 316                                         node.getProperty(SLC_ARTIFACT_EXTENSION).getString(), node
 317                                                         .getProperty(SLC_ARTIFACT_VERSION).getString());
 318                 } else if (node.isNodeType(SlcTypes.SLC_MODULE_COORDINATES)) {
 319                         return new DefaultArtifact(node.getProperty(SLC_CATEGORY)
 320                                         .getString(), node.getProperty(SLC_NAME).getString(),
 321                                         "jar", node.getProperty(SLC_VERSION).getString());
 322                 } else {
 323                         throw new SlcException("Unsupported node type for " + node);
 324                 }
 325         }
 326
 327         /**
 328          * The path to the PDE source related to this artifact (or artifact version
 329          * base). There may or there may not be a node at this location (the
 330          * returned path will typically be used to test whether PDE sources are
 331          * attached to this artifact).
 332          */
 333         public static String relatedPdeSourcePath(String artifactBasePath,
 334                         Node artifactNode) throws RepositoryException {
 335                 Artifact artifact = asArtifact(artifactNode);
 336                 Artifact pdeSourceArtifact = new DefaultArtifact(artifact.getGroupId(),
 337                                 artifact.getArtifactId() + ".source", artifact.getExtension(),
 338                                 artifact.getVersion());
 339                 return MavenConventionsUtils.artifactPath(artifactBasePath,
 340                                 pdeSourceArtifact);
 341         }
 342
 343         /**
 344          * Copy this bytes array as an artifact, relative to the root of the
 345          * repository (typically the workspace root node)
 346          */
 347         public static Node copyBytesAsArtifact(Node artifactsBase,
 348                         Artifact artifact, byte[] bytes) throws RepositoryException {
 349                 String parentPath = MavenConventionsUtils.artifactParentPath(
 350                                 artifactsBase.getPath(), artifact);
 351                 Node folderNode = JcrUtils.mkfolders(artifactsBase.getSession(),
 352                                 parentPath);
 353                 return JcrUtils.copyBytesAsFile(folderNode,
 354                                 MavenConventionsUtils.artifactFileName(artifact), bytes);
 355         }
 356
 357         private RepoUtils() {
 358         }
 359
 360         /** If a source return the base bundle name, does not change otherwise */
 361         public static String extractBundleNameFromSourceName(String sourceBundleName) {
 362                 if (sourceBundleName.endsWith(".source"))
 363                         return sourceBundleName.substring(0, sourceBundleName.length()
 364                                         - ".source".length());
 365                 else
 366                         return sourceBundleName;
 367         }
 368
 369         /*
 370          * SOFTWARE REPOSITORIES
 371          */
 372
 373         /** Retrieve repository based on information in the repo node */
 374         public static Repository getRepository(RepositoryFactory repositoryFactory,
 375                         Keyring keyring, Node repoNode) {
 376                 try {
 377                         Repository repository;
 378                         if (repoNode.isNodeType(ArgeoTypes.ARGEO_REMOTE_REPOSITORY)) {
 379                                 String uri = repoNode.getProperty(ARGEO_URI).getString();
 380                                 if (uri.startsWith("http")) {// http, https
 381                                         repository = NodeUtils.getRepositoryByUri(
 382                                                         repositoryFactory, uri);
 383                                 } else if (uri.startsWith("vm:")) {// alias
 384                                         repository = NodeUtils.getRepositoryByUri(
 385                                                         repositoryFactory, uri);
 386                                 } else {
 387                                         throw new SlcException("Unsupported repository uri " + uri);
 388                                 }
 389                                 return repository;
 390                         } else {
 391                                 throw new SlcException("Unsupported node type " + repoNode);
 392                         }
 393                 } catch (RepositoryException e) {
 394                         throw new SlcException("Cannot connect to repository " + repoNode,
 395                                         e);
 396                 }
 397         }
 398
 399         /**
 400          * Reads credentials from node, using keyring if there is a password. Can
 401          * return null if no credentials needed (local repo) at all, but returns
 402          * {@link GuestCredentials} if user id is 'anonymous' .
 403          */
 404         public static Credentials getRepositoryCredentials(Keyring keyring,
 405                         Node repoNode) {
 406                 try {
 407                         if (repoNode.isNodeType(ArgeoTypes.ARGEO_REMOTE_REPOSITORY)) {
 408                                 if (!repoNode.hasProperty(ARGEO_USER_ID))
 409                                         return null;
 410
 411                                 String userId = repoNode.getProperty(ARGEO_USER_ID).getString();
 412                                 if (userId.equals("anonymous"))// FIXME hardcoded userId
 413                                         return new GuestCredentials();
 414                                 char[] password = keyring.getAsChars(repoNode.getPath() + '/'
 415                                                 + ARGEO_PASSWORD);
 416                                 Credentials credentials = new SimpleCredentials(userId,
 417                                                 password);
 418                                 return credentials;
 419                         } else {
 420                                 throw new SlcException("Unsupported node type " + repoNode);
 421                         }
 422                 } catch (RepositoryException e) {
 423                         throw new SlcException("Cannot connect to repository " + repoNode,
 424                                         e);
 425                 }
 426         }
 427
 428         /**
 429          * Shortcut to retrieve a session given variable information: Handle the
 430          * case where we only have an URI of the repository, that we want to connect
 431          * as anonymous or the case of a identified connection to a local or remote
 432          * repository.
 433          *
 434          * Callers must close the session once it has been used
 435          */
 436         public static Session getRemoteSession(RepositoryFactory repositoryFactory,
 437                         Keyring keyring, Node repoNode, String uri, String workspaceName) {
 438                 try {
 439                         if (repoNode == null && uri == null)
 440                                 throw new SlcException(
 441                                                 "At least one of repoNode and uri must be defined");
 442                         Repository currRepo = null;
 443                         Credentials credentials = null;
 444                         // Anonymous URI only workspace
 445                         if (repoNode == null)
 446                                 // Anonymous
 447                                 currRepo = NodeUtils.getRepositoryByUri(repositoryFactory, uri);
 448                         else {
 449                                 currRepo = RepoUtils.getRepository(repositoryFactory, keyring,
 450                                                 repoNode);
 451                                 credentials = RepoUtils.getRepositoryCredentials(keyring,
 452                                                 repoNode);
 453                         }
 454                         return currRepo.login(credentials, workspaceName);
 455                 } catch (RepositoryException e) {
 456                         throw new SlcException("Cannot connect to workspace "
 457                                         + workspaceName + " of repository " + repoNode
 458                                         + " with URI " + uri, e);
 459                 }
 460         }
 461
 462         /**
 463          * Shortcut to retrieve a session on a remote Jrc Repository from
 464          * information stored in a local argeo node or from an URI: Handle the case
 465          * where we only have an URI of the repository, that we want to connect as
 466          * anonymous or the case of a identified connection to a local or remote
 467          * repository.
 468          *
 469          * Callers must close the session once it has been used
 470          */
 471         public static Session getRemoteSession(RepositoryFactory repositoryFactory,
 472                         Keyring keyring, Repository localRepository, String repoNodePath,
 473                         String uri, String workspaceName) {
 474                 Session localSession = null;
 475                 Node repoNode = null;
 476                 try {
 477                         localSession = localRepository.login();
 478                         if (repoNodePath != null && localSession.nodeExists(repoNodePath))
 479                                 repoNode = localSession.getNode(repoNodePath);
 480
 481                         return RepoUtils.getRemoteSession(repositoryFactory, keyring,
 482                                         repoNode, uri, workspaceName);
 483                 } catch (RepositoryException e) {
 484                         throw new SlcException("Cannot log to workspace " + workspaceName
 485                                         + " for repo defined in " + repoNodePath, e);
 486                 } finally {
 487                         JcrUtils.logoutQuietly(localSession);
 488                 }
 489         }
 490
 491         /**
 492          * Write group indexes: 'binaries' lists all bundles and their versions,
 493          * 'sources' list their sources, and 'sdk' aggregates both.
 494          */
 495         public static void writeGroupIndexes(Session session,
 496                         String artifactBasePath, String groupId, String version,
 497                         Set<Artifact> binaries, Set<Artifact> sources) {
 498                 try {
 499                         Set<Artifact> indexes = new TreeSet<Artifact>(
 500                                         new ArtifactIdComparator());
 501                         Artifact binariesArtifact = writeIndex(session, artifactBasePath,
 502                                         groupId, RepoConstants.BINARIES_ARTIFACT_ID, version,
 503                                         binaries);
 504                         indexes.add(binariesArtifact);
 505                         if (sources != null) {
 506                                 Artifact sourcesArtifact = writeIndex(session,
 507                                                 artifactBasePath, groupId,
 508                                                 RepoConstants.SOURCES_ARTIFACT_ID, version, sources);
 509                                 indexes.add(sourcesArtifact);
 510                         }
 511                         // sdk
 512                         writeIndex(session, artifactBasePath, groupId,
 513                                         RepoConstants.SDK_ARTIFACT_ID, version, indexes);
 514                         session.save();
 515                 } catch (RepositoryException e) {
 516                         throw new SlcException("Cannot write indexes for group " + groupId,
 517                                         e);
 518                 }
 519         }
 520
 521         /** Write a group index. */
 522         private static Artifact writeIndex(Session session,
 523                         String artifactBasePath, String groupId, String artifactId,
 524                         String version, Set<Artifact> artifacts) throws RepositoryException {
 525                 Artifact artifact = new DefaultArtifact(groupId, artifactId, "pom",
 526                                 version);
 527                 String pom = MavenConventionsUtils.artifactsAsDependencyPom(artifact,
 528                                 artifacts, null);
 529                 Node node = RepoUtils.copyBytesAsArtifact(
 530                                 session.getNode(artifactBasePath), artifact, pom.getBytes());
 531                 addMavenChecksums(node);
 532                 return artifact;
 533         }
 534
 535         /** Add files containing the SHA-1 and MD5 checksums. */
 536         public static void addMavenChecksums(Node node) throws RepositoryException {
 537                 // TODO optimize
 538                 String sha = JcrUtils.checksumFile(node, "SHA-1");
 539                 JcrUtils.copyBytesAsFile(node.getParent(), node.getName() + ".sha1",
 540                                 sha.getBytes());
 541                 String md5 = JcrUtils.checksumFile(node, "MD5");
 542                 JcrUtils.copyBytesAsFile(node.getParent(), node.getName() + ".md5",
 543                                 md5.getBytes());
 544         }
 545
 546         /**
 547          * Custom copy since the one in commons does not fit the needs when copying
 548          * a workspace completely.
 549          */
 550         public static void copy(Node fromNode, Node toNode) {
 551                 copy(fromNode, toNode, null);
 552         }
 553
 554         public static void copy(Node fromNode, Node toNode, JcrMonitor monitor) {
 555                 try {
 556                         String fromPath = fromNode.getPath();
 557                         if (monitor != null)
 558                                 monitor.subTask("copying node :" + fromPath);
 559                         if (log.isDebugEnabled())
 560                                 log.debug("copy node :" + fromPath);
 561
 562                         // FIXME : small hack to enable specific workspace copy
 563                         if (fromNode.isNodeType("rep:ACL")
 564                                         || fromNode.isNodeType("rep:system")) {
 565                                 if (log.isTraceEnabled())
 566                                         log.trace("node " + fromNode + " skipped");
 567                                 return;
 568                         }
 569
 570                         // add mixins
 571                         for (NodeType mixinType : fromNode.getMixinNodeTypes()) {
 572                                 toNode.addMixin(mixinType.getName());
 573                         }
 574
 575                         // Double check
 576                         for (NodeType mixinType : toNode.getMixinNodeTypes()) {
 577                                 if (log.isDebugEnabled())
 578                                         log.debug(mixinType.getName());
 579                         }
 580
 581                         // process properties
 582                         PropertyIterator pit = fromNode.getProperties();
 583                         properties: while (pit.hasNext()) {
 584                                 Property fromProperty = pit.nextProperty();
 585                                 String propName = fromProperty.getName();
 586                                 try {
 587                                         String propertyName = fromProperty.getName();
 588                                         if (toNode.hasProperty(propertyName)
 589                                                         && toNode.getProperty(propertyName).getDefinition()
 590                                                                         .isProtected())
 591                                                 continue properties;
 592
 593                                         if (fromProperty.getDefinition().isProtected())
 594                                                 continue properties;
 595
 596                                         if (propertyName.equals("jcr:created")
 597                                                         || propertyName.equals("jcr:createdBy")
 598                                                         || propertyName.equals("jcr:lastModified")
 599                                                         || propertyName.equals("jcr:lastModifiedBy"))
 600                                                 continue properties;
 601
 602                                         if (fromProperty.isMultiple()) {
 603                                                 toNode.setProperty(propertyName,
 604                                                                 fromProperty.getValues());
 605                                         } else {
 606                                                 toNode.setProperty(propertyName,
 607                                                                 fromProperty.getValue());
 608                                         }
 609                                 } catch (RepositoryException e) {
 610                                         throw new SlcException("Cannot property " + propName, e);
 611                                 }
 612                         }
 613
 614                         // recursively process children nodes
 615                         NodeIterator nit = fromNode.getNodes();
 616                         while (nit.hasNext()) {
 617                                 Node fromChild = nit.nextNode();
 618                                 Integer index = fromChild.getIndex();
 619                                 String nodeRelPath = fromChild.getName() + "[" + index + "]";
 620                                 Node toChild;
 621                                 if (toNode.hasNode(nodeRelPath))
 622                                         toChild = toNode.getNode(nodeRelPath);
 623                                 else
 624                                         toChild = toNode.addNode(fromChild.getName(), fromChild
 625                                                         .getPrimaryNodeType().getName());
 626                                 copy(fromChild, toChild);
 627                         }
 628
 629                         // update jcr:lastModified and jcr:lastModifiedBy in toNode in
 630                         // case
 631                         // they existed
 632                         if (!toNode.getDefinition().isProtected()
 633                                         && toNode.isNodeType(NodeType.MIX_LAST_MODIFIED))
 634                                 JcrUtils.updateLastModified(toNode);
 635
 636                         // Workaround to reduce session size: artifact is a saveable
 637                         // unity
 638                         if (toNode.isNodeType(SlcTypes.SLC_ARTIFACT))
 639                                 toNode.getSession().save();
 640
 641                         if (monitor != null)
 642                                 monitor.worked(1);
 643
 644                 } catch (RepositoryException e) {
 645                         throw new SlcException("Cannot copy " + fromNode + " to " + toNode,
 646                                         e);
 647                 }
 648         }
 649
 650 }