| /******************************************************************************* |
| * 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.hapi.impl; |
| |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.hapi.HApiException; |
| import org.apache.sling.hapi.HApiProperty; |
| import org.apache.sling.hapi.HApiType; |
| import org.apache.sling.hapi.HApiUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.jcr.RepositoryException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public class HApiTypeLazyWrapper implements HApiType { |
| public static final Logger LOG = LoggerFactory.getLogger(HApiTypeLazyWrapper.class); |
| private final HApiUtil util; |
| private final ResourceResolver resolver; |
| private String serverUrl; |
| private final Resource resource; |
| |
| /** |
| * A new HApiType that is just a weak reference by name |
| * @param util |
| * @param resolver |
| * @param name |
| */ |
| public HApiTypeLazyWrapper(HApiUtil util, ResourceResolver resolver, String serverUrl, String name) { |
| this.util = util; |
| this.resolver = resolver; |
| this.serverUrl = serverUrl; |
| try { |
| this.resource = util.getTypeResource(resolver, name); |
| } catch (RepositoryException e) { |
| throw new HApiException("Can't find type " + name + "!", e); |
| } |
| } |
| |
| public HApiTypeLazyWrapper(HApiUtil util, ResourceResolver resolver, String serverUrl, Resource resource) { |
| this.util = util; |
| this.resolver = resolver; |
| this.serverUrl = serverUrl; |
| this.resource = resource; |
| } |
| /** |
| * Load the type from the cache |
| * @return |
| */ |
| private HApiType getTypeFromCache() { |
| try { |
| return TypesCache.getInstance(this.util).getType(resolver, resource); |
| } catch (RepositoryException e) { |
| String name = (null != resource) ? resource.getName() : ""; |
| throw new HApiException("Can't find type " + name + "!", e); |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getName() { |
| return getTypeFromCache().getName(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getDescription() { |
| return getTypeFromCache().getDescription(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getPath() { |
| return getTypeFromCache().getPath(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getUrl() { |
| return this.serverUrl + getPath() + ".html"; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getFqdn() { |
| return getTypeFromCache().getFqdn(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<String> getParameters() { |
| return getTypeFromCache().getParameters(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Map<String, HApiProperty> getProperties() { |
| return getTypeFromCache().getProperties(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Map<String, HApiProperty> getAllProperties() { |
| return getAllProperties(this); |
| } |
| |
| private Map<String, HApiProperty> getAllProperties(HApiType rootType) { |
| HApiType parent = getParent(rootType); |
| Map<String, HApiProperty> allProps = new HashMap<String, HApiProperty>(); |
| LOG.debug("parent: {}", parent); |
| if (null != parent) { |
| Map<String, HApiProperty> parentProps; |
| if (parent instanceof HApiTypeLazyWrapper) { |
| parentProps = ((HApiTypeLazyWrapper) parent).getAllProperties(rootType); |
| } else { |
| parentProps = parent.getAllProperties(); |
| } |
| LOG.debug("parent props: {}", parentProps); |
| allProps.putAll(parentProps); |
| } |
| allProps.putAll(getProperties()); |
| return allProps; |
| } |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public HApiType getParent() { |
| return getTypeFromCache().getParent(); |
| } |
| |
| private HApiType getParent(HApiType rootType) { |
| if (this.equals(rootType)) return null; |
| return getParent(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isAbstract() { |
| return getTypeFromCache().isAbstract(); |
| } |
| |
| @Override |
| public String toString() { |
| return "[Weak reference] " + this.getName() + "(" + this.getPath() + "): Properties: " + this.getProperties(); |
| } |
| } |