/*
* 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.launchpad.testservices.servlets;
import java.io.IOException;
import java.util.Arrays;
import java.util.Dictionary;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.io.JSONWriter;
import org.osgi.service.cm.Configuration;
import org.osgi.service.cm.ConfigurationAdmin;
/** GET returns the contents of an OSGi config by PID */
@Component
@Service
@Properties({
@Property(name="service.description", value="GetConfig Test Servlet"),
@Property(name="service.vendor", value="The Apache Software Foundation"),
@Property(name="sling.servlet.paths",value="/testing/GetConfigServlet"),
@Property(name="sling.servlet.extensions",value="json")
})
public class GetConfigServlet extends SlingSafeMethodsServlet {
@Reference
private ConfigurationAdmin configAdmin;
@Override
protected void doGet(SlingHttpServletRequest request,SlingHttpServletResponse response)
throws ServletException,IOException {
// PID comes from request suffix, like /testing/GetConfigServlet.tidy.json/integrationTestsConfig
String pid = request.getRequestPathInfo().getSuffix();
if(pid == null || pid.length() == 0) {
throw new ServletException("Configuration PID must be provided in request suffix");
}
if(pid.startsWith("/")) {
pid = pid.substring(1);
}
// Get config and properties
final Configuration cfg = configAdmin.getConfiguration(pid);
if(cfg == null) {
response.sendError(HttpServletResponse.SC_NOT_FOUND, "Config with pid=" + pid + " not found");
}
final Dictionary<?, ?> props = cfg.getProperties();
if(props == null) {
response.sendError(HttpServletResponse.SC_NOT_FOUND, "Properties of config with pid=" + pid + " not found");
}
// Dump config in JSON
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
final Enumeration<?> keys = props.keys();
try {
final JSONWriter w = new JSONWriter(response.getWriter());
w.setTidy(Arrays.asList(request.getRequestPathInfo().getSelectors()).contains("tidy"));
w.object();
w.key("source").value(getClass().getName());
w.key("pid").value(pid);
w.key("properties");
w.object();
while(keys.hasMoreElements()) {
final Object key = keys.nextElement();
final Object value = props.get(key);
if(value != null) {
w.key(key.toString()).value(value.toString());
}
}
w.endObject();
w.endObject();
} catch(JSONException je) {
throw (IOException)new IOException("JSONException in doGet").initCause(je);
}
}
}