/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 Adobe
* %%
* 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%
*/
package com.adobe.acs.commons.wcm.impl;
import java.io.IOException;
import java.util.Iterator;
import javax.jcr.query.Query;
import javax.servlet.ServletException;
import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.sling.SlingServlet;
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.commons.json.JSONException;
import org.apache.sling.commons.json.io.JSONWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.day.cq.wcm.api.NameConstants;
/**
* Class used by the vanity URL check validation javascript. It determines if the vanity URL entered by the user is
* already in use already and returns the list of pages in which the vanity path is used.
*/
@SuppressWarnings("serial")
@SlingServlet(
label = "ACS AEM Commons - Unique Vanity Path Checker",
description = "Checks if the entered vanity path is already in use",
metatype = false,
paths = { "/bin/wcm/duplicateVanityCheck" },
methods = { "GET" }
)
public final class VanityDuplicateCheckServlet extends SlingSafeMethodsServlet {
private static final Logger log = LoggerFactory.getLogger(VanityDuplicateCheckServlet.class);
@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
try {
final ResourceResolver resolver = request.getResourceResolver();
final String vanityPath = request.getParameter("vanityPath");
final String pagePath = request.getParameter("pagePath");
log.debug("vanity path parameter passed is {}; page path parameter passed is {}", vanityPath, pagePath);
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
JSONWriter jsonWriter = new JSONWriter(response.getWriter());
jsonWriter.array();
if (StringUtils.isNotBlank(vanityPath)) {
String xpath = "//element(*)[" + NameConstants.PN_SLING_VANITY_PATH + "='" + vanityPath + "']";
@SuppressWarnings("deprecation")
Iterator<Resource> resources = resolver.findResources(xpath, Query.XPATH);
while (resources.hasNext()) {
Resource resource = resources.next();
String path = resource.getPath();
if (path.startsWith("/content") && !path.equals(pagePath)) {
jsonWriter.value(path);
}
}
}
jsonWriter.endArray();
} catch (JSONException e) {
throw new ServletException("Unable to generate JSON result", e);
}
}
}