runtime/org.argeo.slc.repo/src/main/java/org/argeo/slc/repo/ArtifactIndexer.java

   1 package org.argeo.slc.repo;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.nodetype.NodeType;
   5
   6 import org.apache.commons.logging.Log;
   7 import org.apache.commons.logging.LogFactory;
   8 import org.argeo.slc.SlcException;
   9 import org.argeo.slc.aether.AetherUtils;
  10 import org.argeo.slc.jcr.SlcNames;
  11 import org.argeo.slc.jcr.SlcTypes;
  12 import org.sonatype.aether.artifact.Artifact;
  13
  14 /**
  15  * Add {@link Artifact} properties to a {@link Node}. Does nothing if the node
  16  * name doesn't start with the artifact id (in order to skip Maven metadata XML
  17  * files and other non artifact files).
  18  */
  19 public class ArtifactIndexer implements NodeIndexer {
  20         private Log log = LogFactory.getLog(ArtifactIndexer.class);
  21
  22         public Boolean support(String path) {
  23                 String relativePath = getRelativePath(path);
  24                 if (relativePath == null)
  25                         return false;
  26                 Artifact artifact = null;
  27                 try {
  28                         artifact = AetherUtils.convertPathToArtifact(relativePath, null);
  29                 } catch (Exception e) {
  30                         if (log.isTraceEnabled())
  31                                 log.trace("Malformed path " + path + ", skipping silently", e);
  32                 }
  33                 return artifact != null;
  34         }
  35
  36         public void index(Node fileNode) {
  37                 Artifact artifact = null;
  38                 try {
  39                         if (!fileNode.isNodeType(NodeType.NT_FILE))
  40                                 return;
  41
  42                         String relativePath = getRelativePath(fileNode.getPath());
  43                         if (relativePath == null)
  44                                 return;
  45                         artifact = AetherUtils.convertPathToArtifact(relativePath, null);
  46                         // support() guarantees that artifact won't be null, no NPE check
  47                         fileNode.addMixin(SlcTypes.SLC_ARTIFACT);
  48                         fileNode.setProperty(SlcNames.SLC_ARTIFACT_ID,
  49                                         artifact.getArtifactId());
  50                         fileNode.setProperty(SlcNames.SLC_GROUP_ID, artifact.getGroupId());
  51                         fileNode.setProperty(SlcNames.SLC_ARTIFACT_VERSION,
  52                                         artifact.getVersion());
  53                         fileNode.setProperty(SlcNames.SLC_ARTIFACT_EXTENSION,
  54                                         artifact.getExtension());
  55                         // can be null but ok for JCR API
  56                         fileNode.setProperty(SlcNames.SLC_ARTIFACT_CLASSIFIER,
  57                                         artifact.getClassifier());
  58
  59                         // set higher levels
  60                         Node artifactVersionBase = fileNode.getParent();
  61                         if (!artifactVersionBase
  62                                         .isNodeType(SlcTypes.SLC_ARTIFACT_VERSION_BASE)) {
  63                                 artifactVersionBase
  64                                                 .addMixin(SlcTypes.SLC_ARTIFACT_VERSION_BASE);
  65                                 artifactVersionBase.setProperty(SlcNames.SLC_ARTIFACT_VERSION,
  66                                                 artifact.getBaseVersion());
  67                                 artifactVersionBase.setProperty(SlcNames.SLC_ARTIFACT_ID,
  68                                                 artifact.getArtifactId());
  69                                 artifactVersionBase.setProperty(SlcNames.SLC_GROUP_ID,
  70                                                 artifact.getGroupId());
  71                         }
  72                         Node artifactBase = artifactVersionBase.getParent();
  73                         if (!artifactBase.isNodeType(SlcTypes.SLC_ARTIFACT_BASE)) {
  74                                 artifactBase.addMixin(SlcTypes.SLC_ARTIFACT_BASE);
  75                                 artifactBase.setProperty(SlcNames.SLC_ARTIFACT_ID,
  76                                                 artifact.getArtifactId());
  77                                 artifactBase.setProperty(SlcNames.SLC_GROUP_ID,
  78                                                 artifact.getGroupId());
  79                         }
  80                         Node groupBase = artifactBase.getParent();
  81                         if (!groupBase.isNodeType(SlcTypes.SLC_GROUP_BASE)) {
  82                                 groupBase.addMixin(SlcTypes.SLC_GROUP_BASE);
  83                                 groupBase.setProperty(SlcNames.SLC_GROUP_ID,
  84                                                 artifact.getGroupId());
  85                         }
  86
  87                         if (log.isTraceEnabled())
  88                                 log.trace("Indexed artifact " + artifact + " on " + fileNode);
  89                 } catch (Exception e) {
  90                         throw new SlcException("Cannot index artifact " + artifact
  91                                         + " metadata on node " + fileNode, e);
  92                 }
  93         }
  94
  95         private String getRelativePath(String nodePath) {
  96                 String basePath = RepoConstants.ARTIFACTS_BASE_PATH;
  97                 if (!nodePath.startsWith(basePath))
  98                         return null;
  99                 String relativePath = nodePath.substring(basePath.length());
 100                 return relativePath;
 101         }
 102 }