import javax.jcr.ImportUUIDBehavior; //导入依赖的package包/类
public void importXml(InputStream inputStream,boolean overwrite) throws Exception{
	if(!permissionService.isAdmin()){
		throw new NoPermissionException();
	}
	String rootNodePath=getRootNode().getPath();
	if(overwrite){
		session.importXML(rootNodePath, inputStream,ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING);				
	}else{
		session.importXML(rootNodePath, inputStream,ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW);				
	}
	session.save();
}
 

import javax.jcr.ImportUUIDBehavior; //导入依赖的package包/类
private void loadContentIntoRepo( String repoId )
    throws RepositoryException, IOException
{
    Node n = JcrUtils.getOrAddNode( session.getRootNode(), "repositories" );
    n = JcrUtils.getOrAddNode( n, repoId );
    n = JcrUtils.getOrAddNode( n, "content" );
    n = JcrUtils.getOrAddNode( n, "org" );
    n = JcrUtils.getOrAddNode( n, "apache" );

    GZIPInputStream inputStream = new GZIPInputStream( getClass().getResourceAsStream( "/artifacts.xml.gz" ) );
    session.importXML( n.getPath(), inputStream, ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW );
    session.save();
}
 

import javax.jcr.ImportUUIDBehavior; //导入依赖的package包/类
/**
 * Constructor.
 * Here you can register deltas for tasks that need to be run when UPDATING an EXISTING module.
 */
public NewsModuleVersionHandler() {
    register(DeltaBuilder.update("1.1.1", "Add a userrole news-editor")
            .addTask(new BootstrapSingleResource("Userrole config", "Installing a userrole for the news module",
                    "/mgnl-bootstrap/magnolia-news-module/userroles/userroles.news-editor.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING)));

    register(DeltaBuilder.update("1.1.4", "Upgrading news module to Magnolia 5.5")
            .addTask(new RemoveNodeTask("Remove old nodes", "/modules/" + MODULE_NAME + "/apps"))
            .addTask(new RemoveNodeTask("Remove old nodes", "/modules/" + MODULE_NAME + "/dialogs"))
    );

    register(DeltaBuilder.update("1.1.6", "Un-nesting news items")
            .addTask(new FindAndMoveNestedNewsTask())
    );
}
 

import javax.jcr.ImportUUIDBehavior; //导入依赖的package包/类
/**
 * Constructor.
 * Here you can register deltas for tasks that need to be run when UPDATING an EXISTING module.
 */
public BlogsModuleVersionHandler() {
    register(DeltaBuilder.update("1.1.1", "Add a userrole blog-editor")
            .addTask(new BootstrapSingleModuleResource("Userrole config", "Installing a userrole for the blog module",
                    "/userroles/userroles.blog-editor.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING))
    );

    register(DeltaBuilder.update("1.1.2", "Updating blog module")
            .addTask(new BootstrapSingleModuleResource("Rendering config", "Installing new freemarker context attributes for blogfn alias",
                    "/config/config.modules.rendering.renderers.freemarker.contextAttributes.blogfn.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING))
    );

    register(DeltaBuilder.update("1.1.3", "Updating blog module")
            .addTask(new BootstrapSingleResource("Update config", "Fix dialog setting on edit blog folder",
                    "/mgnl-bootstrap/updates/config.modules.magnolia-blogs-module.apps.tricode-blogs.subApps.browser.actions.editFolder.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING))
            .addTask(new BootstrapSingleResource("Update config", "Add new action for editing initial activation date",
                    "/mgnl-bootstrap/updates/config.modules.magnolia-blogs-module.apps.tricode-blogs.subApps.browser.actions.editActivationDate.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING))
            .addTask(new BootstrapSingleResource("Update config", "Add new edit activation date action to action bar",
                    "/mgnl-bootstrap/updates/config.modules.magnolia-blogs-module.apps.tricode-blogs.subApps.browser.actionbar.sections.blog.groups.activationActions.items.editActivationDate.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING))
    );

    register(DeltaBuilder.update("1.1.5", "Upgrading blog module to Magnolia 5.5")
            .addTask(new RemoveNodeTask("Remove old nodes", "/modules/" + MODULE_NAME + "/apps"))
            .addTask(new RemoveNodeTask("Remove old nodes", "/modules/" + MODULE_NAME + "/dialogs"))
    );

    register(DeltaBuilder.update("1.1.8", "Add publish date to blogs")
            .addTask(new BootstrapSingleModuleResource("Update config", "Add new CurrentDateField definition",
                    "/config/config.modules.ui-framework.fieldTypes.currentDateField.xml", ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING))
    );
}
 

import javax.jcr.ImportUUIDBehavior; //导入依赖的package包/类
public ModuleDependencyBootstrapTask(final String bootstrapResourcePath, final String dependencyName) {
    super("Bootstrap " + dependencyName, "Bootstraps " + dependencyName + " content if installed.", dependencyName,
            new BootstrapResourcesTask(StringUtils.EMPTY, StringUtils.EMPTY, ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING) {
                @Override
                protected boolean acceptResource(final InstallContext ctx, final String name) {
                    final String path = StringUtils.removeEnd(bootstrapResourcePath, "/") + "/" + dependencyName + "/";
                    return name.startsWith(path) && name.endsWith(".xml");
                }
            });
}
 

import javax.jcr.ImportUUIDBehavior; //导入依赖的package包/类
@Override
public boolean init(Session session, Root root, NamePathMapper namePathMapper,
        boolean isWorkspaceImport, int uuidBehavior,
        ReferenceChangeTracker referenceTracker, SecurityProvider securityProvider) {

    if (!(session instanceof JackrabbitSession)) {
        log.debug("Importing protected user content requires a JackrabbitSession");
        return false;
    }

    this.session = (JackrabbitSession) session;
    this.root = root;
    this.namePathMapper = namePathMapper;
    this.referenceTracker = referenceTracker;

    if (initialized) {
        throw new IllegalStateException("Already initialized");
    }
    if (uuidBehavior == ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW) {
        log.debug("ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW isn't supported when importing users or groups.");
        return false;
    }

    if (!initUserManager(isWorkspaceImport, securityProvider)) {
        return false;
    }

    userManager = new UserManagerImpl(root, namePathMapper, securityProvider);

    initialized = true;
    return initialized;
}