78 lines
2.4 KiB
Java
78 lines
2.4 KiB
Java
package org.gcube.data.access.storagehub.handlers;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import javax.inject.Singleton;
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import javax.jcr.Node;
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import javax.jcr.Session;
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import javax.jcr.version.Version;
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import javax.jcr.version.VersionHistory;
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import javax.jcr.version.VersionIterator;
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import javax.jcr.version.VersionManager;
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import org.apache.jackrabbit.JcrConstants;
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import org.gcube.common.storagehub.model.NodeConstants;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@Singleton
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public class VersionHandler {
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private static final Logger logger = LoggerFactory.getLogger(VersionHandler.class);
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public void makeVersionableContent(Node node){
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try {
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Node contentNode = node.getNode(NodeConstants.CONTENT_NAME);
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contentNode.addMixin(JcrConstants.MIX_VERSIONABLE);
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}catch(Throwable e ) {
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logger.warn("cannot create versioned content node",e);
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}
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}
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public void checkinContentNode(Node node){
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try {
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Session session = node.getSession();
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Node contentNode = node.getNode(NodeConstants.CONTENT_NAME);
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VersionManager versionManager = session.getWorkspace().getVersionManager();
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versionManager.checkin(contentNode.getPath());
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}catch(Exception e ) {
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logger.warn("cannotcheckinNode content node",e);
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}
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}
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public void checkoutContentNode(Node node){
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try {
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Session session = node.getSession();
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Node contentNode = node.getNode(NodeConstants.CONTENT_NAME);
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VersionManager versionManager = session.getWorkspace().getVersionManager();
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versionManager.checkout(contentNode.getPath());
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}catch(Exception e ) {
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logger.warn("cannot checkoutNode content node",e);
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}
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}
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public List<Version> getContentVersionHistory(Node node) {
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try {
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Session session = node.getSession();
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Node contentNode = node.getNode(NodeConstants.CONTENT_NAME);
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VersionManager versionManager = session.getWorkspace().getVersionManager();
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VersionHistory history = versionManager.getVersionHistory(contentNode.getPath());
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VersionIterator iterator = history.getAllVersions();
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iterator.skip(1);
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List<Version> versions = new ArrayList<>();
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while (iterator.hasNext()) {
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Version version = iterator.nextVersion();
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versions.add(version);
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logger.debug("version name {} with nodeType {}",version.getName(),version.getPrimaryNodeType().getName());
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}
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return versions;
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}catch(Exception e ) {
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logger.warn("cannot get version history content node",e);
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return Collections.emptyList();
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}
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}
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}
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