| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.sling.ide.impl.vlt; |
| |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.EnumSet; |
| import java.util.Set; |
| |
| import javax.jcr.Credentials; |
| import javax.jcr.LoginException; |
| import javax.jcr.Node; |
| import javax.jcr.NodeIterator; |
| import javax.jcr.Property; |
| import javax.jcr.PropertyIterator; |
| import javax.jcr.Repository; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| |
| import org.apache.sling.ide.log.Logger; |
| import org.apache.sling.ide.transport.Command; |
| import org.apache.sling.ide.transport.Repository.CommandExecutionFlag; |
| import org.apache.sling.ide.transport.ResourceProxy; |
| import org.apache.sling.ide.transport.Result; |
| |
| public abstract class JcrCommand<T> implements Command<T> { |
| |
| private final Credentials credentials; |
| private final Repository repository; |
| private final String path; |
| private final Logger logger; |
| private final EnumSet<CommandExecutionFlag> flags; |
| |
| public JcrCommand(Repository repository, Credentials credentials, String path, Logger logger, |
| CommandExecutionFlag... flags) { |
| |
| this.repository = repository; |
| this.credentials = credentials; |
| this.path = path; |
| this.logger = logger; |
| this.flags = EnumSet.noneOf(CommandExecutionFlag.class); |
| this.flags.addAll(Arrays.asList(flags)); |
| } |
| |
| @Override |
| public Result<T> execute() { |
| |
| Session session = null; |
| try { |
| session = repository.login(credentials); |
| |
| T result = execute0(session); |
| |
| session.save(); |
| |
| return JcrResult.success(result); |
| } catch (LoginException e) { |
| return JcrResult.failure(e); |
| } catch (RepositoryException e) { |
| return JcrResult.failure(e); |
| } catch (IOException e) { |
| return JcrResult.failure(e); |
| } finally { |
| if (session != null) |
| session.logout(); |
| } |
| } |
| |
| protected abstract T execute0(Session session) throws RepositoryException, IOException; |
| |
| public String getPath() { |
| return path; |
| } |
| |
| protected Logger getLogger() { |
| return logger; |
| } |
| |
| public Set<CommandExecutionFlag> getFlags() { |
| return Collections.unmodifiableSet(flags); |
| } |
| |
| @Override |
| public Kind getKind() { |
| return null; |
| } |
| |
| protected ResourceProxy nodeToResource(Node node) throws RepositoryException { |
| |
| ResourceProxy resource = new ResourceProxy(node.getPath()); |
| resource.addAdapted(Node.class, node); |
| |
| PropertyIterator properties = node.getProperties(); |
| while (properties.hasNext()) { |
| Property property = properties.nextProperty(); |
| String propertyName = property.getName(); |
| Object propertyValue = ConversionUtils.getPropertyValue(property); |
| |
| if (propertyValue != null) { |
| resource.addProperty(propertyName, propertyValue); |
| } |
| } |
| |
| return resource; |
| |
| } |
| |
| /** |
| * Recursively prints this node and all its children |
| * |
| * <p> |
| * Only the node name and the primary node type are printed, with children being indented |
| * |
| * @param node the node to start at |
| * @param ps the stream to print to |
| * @throws RepositoryException |
| */ |
| protected void dumpNode(Node node, PrintStream ps) throws RepositoryException { |
| |
| printNode(node, ps); |
| writeChildren(node, 1, ps); |
| } |
| |
| private void printNode(Node node, PrintStream ps) throws RepositoryException { |
| |
| ps.println(node.getName() + " [" + node.getPrimaryNodeType().getName() + "]"); |
| } |
| |
| private void writeChildren(Node parent, int depth, PrintStream ps) throws RepositoryException { |
| |
| for (NodeIterator it = parent.getNodes(); it.hasNext();) { |
| for (int i = 0; i < depth; i++) { |
| ps.append(' '); |
| } |
| Node child = it.nextNode(); |
| printNode(child, ps); |
| writeChildren(child, depth + 1, ps); |
| } |
| } |
| } |