| /* |
| * 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.pipes.internal; |
| |
| import org.apache.sling.api.resource.PersistenceException; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceUtil; |
| import org.apache.sling.pipes.BasePipe; |
| import org.apache.sling.pipes.PipeBindings; |
| import org.apache.sling.pipes.Plumber; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| import static org.apache.sling.jcr.resource.JcrResourceConstants.NT_SLING_FOLDER; |
| |
| /** |
| * creates or get given expression's path and returns corresponding resource |
| * this pipe can be configured with the following properties: |
| * <ul> |
| * <li><code>nodeType</code> resource type with which the leaf node of the created path will be created</li> |
| * <li><code>intermediateType</code> resource type with which intermediate nodse of the created path will be created</li> |
| * <li><code>autosave</code> flag indicating wether this pipe should triggers a commit at the end of the execution</li> |
| * </ul> |
| */ |
| public class PathPipe extends BasePipe { |
| |
| public static final String RESOURCE_TYPE = RT_PREFIX + "path"; |
| public static final String PN_RESOURCETYPE = "resourceType"; |
| public static final String PN_INTERMEDIATE = "intermediateType"; |
| public static final String PN_AUTOSAVE = "autosave"; |
| |
| String resourceType; |
| String intermediateType; |
| boolean autosave; |
| |
| private final Logger logger = LoggerFactory.getLogger(PathPipe.class); |
| |
| public PathPipe(Plumber plumber, Resource resource, PipeBindings upperBindings) { |
| super(plumber, resource, upperBindings); |
| resourceType = properties.get(PN_RESOURCETYPE, NT_SLING_FOLDER); |
| intermediateType = properties.get(PN_INTERMEDIATE, resourceType); |
| autosave = properties.get(PN_AUTOSAVE, false); |
| } |
| |
| @Override |
| public boolean modifiesContent() { |
| return true; |
| } |
| |
| @Override |
| protected Iterator<Resource> computeOutput() { |
| Iterator<Resource> output = Collections.emptyIterator(); |
| String expr = getExpr(); |
| try { |
| String path = isRootPath(expr) ? expr : getInput().getPath() + SLASH + expr; |
| logger.info("creating path {}", path); |
| if (!isDryRun()) { |
| Resource resource = ResourceUtil.getOrCreateResource(resolver, path, resourceType, intermediateType, autosave); |
| output = Collections.singleton(resource).iterator(); |
| } |
| } catch (PersistenceException e) { |
| logger.error ("Not able to create path {}", expr, e); |
| } |
| return output; |
| } |
| } |