Java Node.getParent方法代碼示例

import javax.jcr.Node; //導入方法依賴的package包/類
@Override
public void removeMetadataFacet( String repositoryId, String facetId, String name )
    throws MetadataRepositoryException
{
    try
    {
        Node root = getJcrSession().getRootNode();
        String path = getFacetPath( repositoryId, facetId, name );
        if ( root.hasNode( path ) )
        {
            Node node = root.getNode( path );
            do
            {
                // also remove empty container nodes
                Node parent = node.getParent();
                node.remove();
                node = parent;
            }
            while ( !node.hasNodes() );
        }
    }
    catch ( RepositoryException e )
    {
        throw new MetadataRepositoryException( e.getMessage(), e );
    }
}
 

import javax.jcr.Node; //導入方法依賴的package包/類
private Node findParentPublication(Node node) {
    Node publication = null;

    try {
        Node folder = node.getParent();
        publication = findPublicationInFolder(folder);
    } catch (RepositoryException ex) {
        log.error("Repository exception during read operation", ex);
    }

    return publication;
}
 

import javax.jcr.Node; //導入方法依賴的package包/類
@Override
public Collection<ProjectVersionReference> getProjectReferences( String repositoryId, String namespace,
                                                                 String projectId, String projectVersion )
    throws MetadataResolutionException
{

    List<ProjectVersionReference> references = new ArrayList<>();

    // TODO: bind variables instead
    String q = "SELECT * FROM [archiva:dependency] WHERE ISDESCENDANTNODE([/repositories/" + repositoryId +
        "/content]) AND [groupId]='" + namespace + "' AND [artifactId]='" + projectId + "'";
    if ( projectVersion != null )
    {
        q += " AND [version]='" + projectVersion + "'";
    }
    try
    {
        Query query = getJcrSession().getWorkspace().getQueryManager().createQuery( q, Query.JCR_SQL2 );
        QueryResult result = query.execute();

        for ( Node n : JcrUtils.getNodes( result ) )
        {
            n = n.getParent(); // dependencies grouping element

            n = n.getParent(); // project version
            String usedByProjectVersion = n.getName();

            n = n.getParent(); // project
            String usedByProject = n.getName();

            n = n.getParent(); // namespace
            String usedByNamespace = n.getProperty( "namespace" ).getString();

            ProjectVersionReference ref = new ProjectVersionReference();
            ref.setNamespace( usedByNamespace );
            ref.setProjectId( usedByProject );
            ref.setProjectVersion( usedByProjectVersion );
            ref.setReferenceType( ProjectVersionReference.ReferenceType.DEPENDENCY );
            references.add( ref );
        }
    }
    catch ( RepositoryException e )
    {
        throw new MetadataResolutionException( e.getMessage(), e );
    }

    return references;
}
 

import javax.jcr.Node; //導入方法依賴的package包/類
private ArtifactMetadata getArtifactFromNode( String repositoryId, Node artifactNode )
    throws RepositoryException
{
    String id = artifactNode.getName();

    ArtifactMetadata artifact = new ArtifactMetadata();
    artifact.setId( id );
    artifact.setRepositoryId( repositoryId == null ? artifactNode.getAncestor(2).getName() : repositoryId );

    Node projectVersionNode = artifactNode.getParent();
    Node projectNode = projectVersionNode.getParent();
    Node namespaceNode = projectNode.getParent();

    artifact.setNamespace( namespaceNode.getProperty( "namespace" ).getString() );
    artifact.setProject( projectNode.getName() );
    artifact.setProjectVersion( projectVersionNode.getName() );
    artifact.setVersion( artifactNode.hasProperty( "version" )
                             ? artifactNode.getProperty( "version" ).getString()
                             : projectVersionNode.getName() );

    if ( artifactNode.hasProperty( JCR_LAST_MODIFIED ) )
    {
        artifact.setFileLastModified( artifactNode.getProperty( JCR_LAST_MODIFIED ).getDate().getTimeInMillis() );
    }

    if ( artifactNode.hasProperty( "whenGathered" ) )
    {
        artifact.setWhenGathered( artifactNode.getProperty( "whenGathered" ).getDate().getTime() );
    }

    if ( artifactNode.hasProperty( "size" ) )
    {
        artifact.setSize( artifactNode.getProperty( "size" ).getLong() );
    }

    if ( artifactNode.hasProperty( "md5" ) )
    {
        artifact.setMd5( artifactNode.getProperty( "md5" ).getString() );
    }

    if ( artifactNode.hasProperty( "sha1" ) )
    {
        artifact.setSha1( artifactNode.getProperty( "sha1" ).getString() );
    }

    for ( Node n : JcrUtils.getChildNodes( artifactNode ) )
    {
        if ( n.isNodeType( FACET_NODE_TYPE ) )
        {
            String name = n.getName();
            MetadataFacetFactory factory = metadataFacetFactories.get( name );
            if ( factory == null )
            {
                log.error( "Attempted to load unknown project version metadata facet: " + name );
            }
            else
            {
                MetadataFacet facet = factory.createMetadataFacet();
                Map<String, String> map = new HashMap<>();
                for ( Property p : JcrUtils.getProperties( n ) )
                {
                    String property = p.getName();
                    if ( !property.startsWith( "jcr:" ) )
                    {
                        map.put( property, p.getString() );
                    }
                }
                facet.fromProperties( map );
                artifact.addFacet( facet );
            }
        }
    }
    return artifact;
}
 

import javax.jcr.Node; //導入方法依賴的package包/類
@Test(expected = NullPointerException.class)
public void getParentWithRootThrowsException() throws Exception {
	Node testObj = aNode("/");
	
	testObj.getParent();
}