pendingdevices.jsp 8.55 KB
<%--
  ADOBE CONFIDENTIAL

  Copyright 2015 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 may be covered by U.S. and Foreign Patents,
  patents in process, 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.
--%><%
%><%@include file="/libs/granite/ui/global.jsp"%><%
%><%@page session="false"
          import="com.adobe.cq.screens.device.registration.PendingDevice,
                  com.adobe.cq.screens.device.registration.RegistrationService,
                  com.adobe.cq.screens.device.registration.PendingDevice.State,
                  com.adobe.granite.ui.components.Config,
                  com.adobe.granite.ui.components.ExpressionHelper,
                  com.adobe.granite.ui.components.PagingIterator,
                  com.adobe.granite.ui.components.ds.AbstractDataSource,
                  com.adobe.granite.ui.components.ds.DataSource,
                  com.adobe.granite.ui.components.ds.EmptyDataSource,
                  org.apache.commons.collections.IteratorUtils,
                  org.apache.commons.collections.Predicate,
                  org.apache.commons.collections.Transformer,
                  org.apache.commons.collections.iterators.FilterIterator,
                  org.apache.commons.collections.iterators.TransformIterator,
                  org.apache.sling.api.resource.Resource,
                  org.apache.sling.api.resource.ResourceResolver,
                  org.apache.sling.api.resource.ResourceWrapper,
                  org.apache.sling.api.resource.SyntheticResource,
                  org.apache.sling.commons.json.JSONException,
                  org.apache.sling.commons.json.JSONObject,
                  java.util.Collections,
                  java.util.Comparator,
                  java.util.Iterator,
                  java.util.List,
                  java.util.regex.Pattern"%>
<%@ page import="org.slf4j.Logger" %><%
    /**
     A datasource returning the pending devices

     @datasource
     @name ChildPages
     @location /libs/screens/dcc/components/datasources/pendingdevices

     @property {String} itemResourceType
     */
    ExpressionHelper ex = cmp.getExpressionHelper();
    Config dsCfg = new Config(resource.getChild(Config.DATASOURCE));

    final String status = ex.get(dsCfg.get("status", String.class), String.class);
    final State state = status != null ? State.valueOf(status) : null;
    final Integer offset = ex.get(dsCfg.get("offset", String.class), Integer.class);
    final Integer limit = ex.get(dsCfg.get("limit", String.class), Integer.class);

    final String filter = dsCfg.get("exclude", "");
    final Pattern pattern = Pattern.compile(filter);

    final String sortName = slingRequest.getParameter("sortName");
    final String sortDir = slingRequest.getParameter("sortDir");

    final RegistrationService registrationService = sling.getService(RegistrationService.class);

    DataSource ds;
    if (registrationService == null) {
        ds = EmptyDataSource.instance();
    } else {
        final Iterator<PendingDevice> sortedDevicesIterator =
            ((sortName != null && sortDir != null)
                ? getSortedIterator(registrationService.getDevices(state), sortName, sortDir)
                : registrationService.getDevices(state));

        final ResourceResolver resResolver = resourceResolver;
        final String itemRT = dsCfg.get("itemResourceType", String.class);

        @SuppressWarnings("unchecked")
        DataSource datasource = new AbstractDataSource() {
            @SuppressWarnings("unchecked")
            public Iterator<Resource> iterator() {
                Iterator<Resource> it = new PagingIterator<Resource>(new FilterIterator(sortedDevicesIterator, new Predicate() {
                    public boolean evaluate(Object o) {
                        PendingDevice pendingDevice = (PendingDevice) o;
                        if (State.REGISTERED.equals(pendingDevice.getState())) {
                            return false;
                        }

                        Resource r = new PendingDeviceResource(resResolver, pendingDevice);
                        if (pattern.matcher(r.getPath()).matches()) {
                            return false;
                        }

                        return true;
                    }
                }), offset, limit);

                return new TransformIterator(it, new Transformer() {
                    public Object transform(Object o) {
                        PendingDevice pendingDevice = (PendingDevice) o;
                        Resource r = new PendingDeviceResource(resResolver, pendingDevice);
                        return new ResourceWrapper(r) {
                            public String getResourceType() {
                                return itemRT;
                            }
                        };
                    }
                });
            }
        };

        ds = datasource;
    }

    request.setAttribute(DataSource.class.getName(), ds);
%>
<%!

    class PendingDeviceResource extends SyntheticResource {

        private final PendingDevice device;

        public PendingDeviceResource(ResourceResolver resolver, PendingDevice device) {
            super(resolver, "", "");
            this.device = device;
        }

        public String getName() {
            return device.getToken();
        }

        public String getPath() {
            return device.getToken();
        }

        public String getResourceType() {
            return "screens/core/components/service/registration";
        }

        public JSONObject getMetadata() {
            return device.getMetadata();
        }
    }

    Iterator<PendingDevice> getSortedIterator(Iterator<PendingDevice> devices, String sortName, String sortDir){
        List<PendingDevice> devicesList = IteratorUtils.toList(devices);
        Comparator comparator = getComparator(sortName, sortDir.toLowerCase().equals("desc"));
        Collections.sort(devicesList, comparator);
        return devicesList.iterator();
    }

    private Comparator<PendingDevice> getComparator(final String sortName, final boolean reverse) {
        Comparator comparator = new Comparator<PendingDevice>() {
            public int compare(PendingDevice pd1, PendingDevice pd2) {
                switch (sortName) {
                    case "title":
                        return pd1.getToken().compareToIgnoreCase(pd2.getToken());
                    case "uuid":
                        String uuid1 = getProperty(pd1, "uuid");
                        String uuid2 = getProperty(pd2, "uuid");
                        return uuid1.compareToIgnoreCase(uuid2);
                    case "model":
                        String model1 = getProperty(pd1, "model");
                        String model2 = getProperty(pd2, "model");
                        return model1.compareToIgnoreCase(model2);
                    case "platform":
                        String platform1 = getProperty(pd1, "platform");
                        String platform2 = getProperty(pd2, "platform");
                        return platform1.compareToIgnoreCase(platform2);
                    case "version":
                        String version1 = getProperty(pd1, "version");
                        String version2 = getProperty(pd2, "version");
                        return version1.compareToIgnoreCase(version2);
                    default:
                        return 0;
                }
            }
        };

        // reverses order if necessary
        return reverse ? Collections.reverseOrder(comparator) : comparator;
    }

    private int compareProperty(Resource r1, Resource r2, String prop) {
        Resource cr1 = r1.getChild("jcr:content");
        if (cr1 == null) {
            cr1 = r1;
        }
        Resource cr2 = r2.getChild("jcr:content");
        if (cr2 == null) {
            cr2 = r2;
        }
        ValueMap vm1 = cr1.getValueMap();
        ValueMap vm2 = cr2.getValueMap();
        return vm1.get(prop, "").compareToIgnoreCase(vm2.get(prop, ""));
    }

    private String getProperty(PendingDevice p, String property) {
        try {
            return p.getMetadata().getString(property);
        }
        catch (JSONException ex) {
            return "";
        }
    }
%>