package com.cognifide.slice.core.internal.provider;
/*
* #%L
* Slice - Core
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2012 Cognifide Limited
* %%
* Licensed 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.
* #L%
*/
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import com.cognifide.slice.api.execution.ExecutionContextStack;
import com.cognifide.slice.api.provider.ChildrenProvider;
import com.cognifide.slice.api.scope.ContextScoped;
import com.google.inject.Inject;
@ContextScoped
public class SliceChildrenProvider implements ChildrenProvider {
private final ResourceResolver resourceResolver;
private final ExecutionContextStack currentExecutionContext;
@Inject
public SliceChildrenProvider(final ResourceResolver resourceResolver,
final ExecutionContextStack currentExecutionContext) {
this.resourceResolver = resourceResolver;
this.currentExecutionContext = currentExecutionContext;
}
@Override
public List<String> getChildren(final String path) {
ArrayList<String> result = new ArrayList<String>();
List<Resource> childResources = getChildResources(path);
for (Resource resource : childResources) {
result.add(resource.getPath());
}
return result;
}
@Override
public List<Resource> getChildResources(final String path) {
ArrayList<Resource> result = new ArrayList<Resource>();
if (StringUtils.isBlank(path)) {
return result;
}
final String absolutePath = currentExecutionContext.getAbsolutePath(path);
Resource resource = resourceResolver.getResource(absolutePath);
if (null == resource) {
return result;
}
for (Iterator<Resource> iterator = resource.listChildren(); iterator.hasNext();) {
result.add(iterator.next());
}
return result;
}
}