Dynamic Dropdown

Could someone help with converting the below hard coded servlet for dynamic drop down. I want to remove the hard coding in this

import java.io.IOException;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import javax.jcr.NoSuchWorkspaceException;

import javax.jcr.Node;

import javax.jcr.NodeIterator;

import javax.jcr.RepositoryException;

import javax.jcr.Session;

import javax.servlet.Servlet;

import javax.servlet.ServletException;

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.ResourceMetadata;

import org.apache.sling.api.resource.ResourceResolver;

import org.apache.sling.api.resource.ResourceResolverFactory;

import org.apache.sling.api.resource.ValueMap;

import org.apache.sling.api.servlets.HttpConstants;

import org.apache.sling.api.servlets.SlingAllMethodsServlet;

import org.osgi.framework.Constants;

import org.osgi.service.component.annotations.Component;

import org.osgi.service.component.annotations.Reference;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import com.adobe.cq.commerce.common.ValueMapDecorator;

import com.adobe.granite.ui.components.ds.DataSource;

import com.adobe.granite.ui.components.ds.SimpleDataSource;

import com.adobe.granite.ui.components.ds.ValueMapResource;

@component(

service = Servlet.class,

property = {

Constants.SERVICE_DESCRIPTION + "=Simple Demo Servlet",

"sling.servlet.methods=" + HttpConstants.METHOD_GET, "sling.servlet.paths=" + "/bin/AnswerPathDropdown",

"sling.servlet.extensions=" + "sample",

}

)

public class AnswerPathDropdown extends SlingAllMethodsServlet {

private static final long serialVersionUID = 1;

Logger logger = LoggerFactory.getLogger(this.getClass());

@8550701

ResourceResolverFactory resolverFactory;

public void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {

Map<String, Object> param = new HashMap<String, Object>();

param.put(ResourceResolverFactory.SUBSERVICE, "datawrite");

logger.info("Entered Dynamic dropdown servlet");

try {

String urlPath = null;

Enumeration<?> values = request.getHeaders("Referer");

logger.info("values is " + values);

if (values != null) {

while (values.hasMoreElements()) {

urlPath = (String) values.nextElement();

logger.info("urlPath is " + urlPath);

}

}

String currentpagepath = urlPath.substring(0, urlPath.length() - 5);

String currentPath = null;

if (currentpagepath.contains("http://localhost:4502/editor.html/")) {

currentPath = currentpagepath.replaceAll("http://localhost:4502/editor.html", "");

}

ResourceResolver resolver = resolverFactory.getServiceResourceResolver(param);

Session session = resolver.adaptTo(Session.class);

logger.info("session is " + session);

Node rootNode = session.getNode(currentPath + "/jcr:content/pathPar");

logger.info("rootNode is " + rootNode.getPath());

NodeIterator nodeItr = rootNode.getNodes();

List<Resource> fakeResourceList = new ArrayList<Resource>();

ValueMap vm = null;

logger.info("nodeItr is " + nodeItr);

ValueMap vm1 = new ValueMapDecorator(new HashMap<String, Object>());

vm1.put("value", "");

vm1.put("text", "");

fakeResourceList.add(new ValueMapResource(request.getResourceResolver(), new ResourceMetadata(), "nt:unstructured", vm1));

int i = 1;

String path = null;

while (nodeItr.hasNext()) {

Node cNode = nodeItr.nextNode();

vm = new ValueMapDecorator(new HashMap<String, Object>());

String path1 = cNode.getPath();

path = path1.substring(path1.lastIndexOf('/') + 1);

String Text = "Path" + i;

vm.put("value", path);

vm.put("text", Text);

logger.info("path is " + path);

i++;

fakeResourceList.add(new ValueMapResource(request.getResourceResolver(), new ResourceMetadata(), "nt:unstructured", vm));

}

Object ds = new SimpleDataSource(fakeResourceList.iterator());

request.setAttribute(DataSource.class.getName(), ds);

} catch (NoSuchWorkspaceException e) {

logger.info("NoSuchWorkspaceException Exception is " + e);

} catch (RepositoryException e) {

logger.info("RepositoryException Exception is " + e);

} catch (org.apache.sling.api.resource.LoginException e) {

logger.info("Login Exception is " + e);

}

}

}