com.adobe.cq.sites.ui.designfield.datasources.Children Maven / Gradle / Ivy
/*************************************************************************
*
* ADOBE CONFIDENTIAL
* __________________
*
* Copyright 2017 Adobe Systems Incorporated
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe Systems Incorporated and its suppliers,
* if any. The intellectual and technical concepts contained
* herein are proprietary to Adobe Systems Incorporated and its
* suppliers and are protected by trade secret or copyright law.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe Systems Incorporated.
*
**************************************************************************/
package com.adobe.cq.sites.ui.designfield.datasources;
import com.adobe.granite.ui.components.Config;
import com.adobe.granite.ui.components.ExpressionHelper;
import com.adobe.granite.ui.components.ExpressionResolver;
import com.adobe.granite.ui.components.PagingIterator;
import com.adobe.granite.ui.components.ds.AbstractDataSource;
import com.adobe.granite.ui.components.ds.DataSource;
import com.adobe.granite.ui.components.ds.EmptyDataSource;
import com.day.cq.wcm.api.NameConstants;
import org.apache.commons.collections.IteratorUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.jackrabbit.JcrConstants;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
import org.apache.sling.jcr.resource.JcrResourceConstants;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import javax.servlet.Servlet;
import java.util.*;
import java.util.regex.Pattern;
@Component(
service = {Servlet.class},
property = {
"sling.servlet.resourceTypes=wcm/designer/gui/components/designfield/datasources/children",
"sling.servlet.methods=GET"
}
)
public class Children extends SlingSafeMethodsServlet{
@Reference
ExpressionResolver expressionResolver;
@Override
public void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) {
final String DEFAULT_ROOT = "/";
final String LEGACY_DESIGNS_LOCATION = "/etc/designs";
final String DEFAULT_DESIGNS_LOCATION = "/libs/settings/wcm/designs";
final String USER_DESIGNS_LOCATIONS = "/apps/settings/wcm/designs";
final String LEGACY_DESIGNS_ROOT = "/etc";
final String DEFAULT_DESIGNS_ROOT = "/libs";
final String USER_DESIGNS_ROOT = "/apps";
final ResourceResolver resourceResolver = request.getResourceResolver();
final ExpressionHelper ex = new ExpressionHelper(expressionResolver, request);
final Config dsCfg = new Config(request.getResource().getChild(Config.DATASOURCE));
final Map rootMapping = new HashMap();
final List result = new ArrayList();
DataSource ds;
String parentPath = null;
String searchName = null;
if (resourceResolver.getResource(LEGACY_DESIGNS_LOCATION) != null) {
rootMapping.put(LEGACY_DESIGNS_ROOT, LEGACY_DESIGNS_LOCATION);
}
rootMapping.put(DEFAULT_DESIGNS_ROOT, DEFAULT_DESIGNS_LOCATION);
rootMapping.put(USER_DESIGNS_ROOT, USER_DESIGNS_LOCATIONS);
final String query = ex.getString(dsCfg.get("query", String.class));
if (query != null) {
final int slashIndex = query.lastIndexOf('/');
if (slashIndex < 0 && !StringUtils.isBlank(query)) { // If query is not a path, then run the query for designs under each of the design location.
rootMapping.values()
.stream()
.map(s -> resourceResolver.getResource(s))
.forEach(r -> result.addAll(IteratorUtils.toList(r.listChildren())));
searchName = query;
} else if (rootMapping.values().stream().anyMatch(s -> query.startsWith(s))) { // If query starts with any of the designs location, then show all possible
parentPath = query.substring(0, slashIndex + 1); // values of path starting with query.
searchName = query.substring(slashIndex + 1);
} else { // If query doesn't start with any of the design location, then run query only on the path the design locations.
rootMapping.values()
.stream()
.filter(s -> s.startsWith(query))
.forEach(s -> result.add(resourceResolver.getResource(s)));
}
} else {
parentPath = ex.getString(dsCfg.get("path", String.class));
}
if (DEFAULT_ROOT.equals(parentPath)) {
rootMapping.keySet()
.stream()
.forEach(path -> result.add(resourceResolver.getResource(path)));
} else if (parentPath != null) {
if (rootMapping.containsKey(parentPath)) {
parentPath = rootMapping.get(parentPath);
}
Resource parent = resourceResolver.getResource(parentPath);
Iterator childIt = parent.listChildren();
while(childIt.hasNext()) {
result.add(childIt.next());
};
}
if (result.isEmpty()) {
ds = EmptyDataSource.instance();
} else {
final Integer offset = ex.get(dsCfg.get("offset", String.class), Integer.class);
final Integer limit = ex.get(dsCfg.get("limit", String.class), Integer.class);
result.removeIf((resource) ->
!(resource.isResourceType(NameConstants.NT_PAGE)) &&
!(resource.isResourceType(JcrConstants.NT_FOLDER)) &&
!(resource.isResourceType(JcrResourceConstants.NT_SLING_FOLDER)) &&
!(resource.isResourceType(JcrResourceConstants.NT_SLING_ORDERED_FOLDER))
);
if (!StringUtils.isBlank(searchName)) {
final Pattern searchNamePattern = Pattern.compile(Pattern.quote(searchName), Pattern.CASE_INSENSITIVE);
result.removeIf( (resource) -> !(searchNamePattern.matcher(resource.getName()).lookingAt()));
}
Collections.sort(result,
(Resource o1,Resource o2) -> o1.getName().compareTo(o2.getName()));
@SuppressWarnings("unchecked")
DataSource datasource = new AbstractDataSource() {
@Override
public Iterator iterator() {
return new PagingIterator(result.iterator(), offset, limit);
}
};
ds = datasource;
}
request.setAttribute(DataSource.class.getName(), ds);
}
}