org.apache.openmeetings.web.util.UserChoiceProvider.java Source code

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Here is the source code for org.apache.openmeetings.web.util.UserChoiceProvider.java

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/*
 * 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.openmeetings.web.util;

import static org.apache.openmeetings.web.app.Application.getBean;
import static org.apache.openmeetings.web.app.WebSession.getUserId;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Hashtable;
import java.util.Map;

import org.apache.openmeetings.db.dao.user.UserDao;
import org.apache.openmeetings.db.entity.user.User;
import org.apache.openmeetings.db.entity.user.User.Type;
import org.apache.openmeetings.db.util.FormatHelper;
import org.apache.wicket.ajax.json.JSONException;
import org.apache.wicket.ajax.json.JSONWriter;
import org.apache.wicket.extensions.validation.validator.RfcCompliantEmailAddressValidator;
import org.apache.wicket.util.string.Strings;
import org.apache.wicket.validation.Validatable;
import org.wicketstuff.select2.ChoiceProvider;
import org.wicketstuff.select2.Response;

public class UserChoiceProvider extends ChoiceProvider<User> {
    private static final long serialVersionUID = 1L;
    private final static int PAGE_SIZE = 10;
    private Map<String, User> newContacts = new Hashtable<String, User>();

    public static User getUser(String value) {
        User u = null;
        if (!Strings.isEmpty(value)) {
            //FIXME refactor this
            String email = null;
            String fName = null;
            String lName = null;
            int idx = value.indexOf('<');
            if (idx > -1) {
                int idx1 = value.indexOf('>', idx);
                if (idx1 > -1) {
                    email = value.substring(idx + 1, idx1);

                    String name = value.substring(0, idx).replace("\"", "");
                    int idx2 = name.indexOf(' ');
                    if (idx2 > -1) {
                        fName = name.substring(0, idx2);
                        lName = name.substring(idx2 + 1);
                    } else {
                        fName = "";
                        lName = name;
                    }

                }
            } else {
                email = value;
            }
            Validatable<String> valEmail = new Validatable<String>(email);
            RfcCompliantEmailAddressValidator.getInstance().validate(valEmail);
            if (valEmail.isValid()) {
                u = getBean(UserDao.class).getContact(email, fName, lName, getUserId());
            }
        }
        return u;
    }

    @Override
    public String getIdValue(User u) {
        String id = "" + u.getId();
        if (u.getId() == null) {
            newContacts.put(u.getLogin(), u);
            id = u.getLogin();
        }
        return id;
    }

    @Override
    public String getDisplayValue(User object) {
        return FormatHelper.formatUser(object, true);
    }

    @Override
    public void query(String term, int page, Response<User> response) {
        User c = getUser(term);
        if (c != null) {
            response.add(c);
        }
        UserDao dao = getBean(UserDao.class);
        response.addAll(dao.get(term, page * PAGE_SIZE, PAGE_SIZE, null, true, getUserId()));

        response.setHasMore(page < dao.count(term, getUserId()) / PAGE_SIZE);
    }

    @Override
    public Collection<User> toChoices(Collection<String> ids) {
        Collection<User> c = new ArrayList<>();
        for (String id : ids) {
            if (newContacts.containsKey(id)) {
                c.add(newContacts.get(id));
            } else {
                c.add(getBean(UserDao.class).get(Long.valueOf(id)));
            }
        }
        return c;
    }

    @Override
    public void toJson(User choice, JSONWriter writer) throws JSONException {
        super.toJson(choice, writer);
        writer.key("contact").value(choice.getType() == Type.contact);
    }

    @Override
    public void detach() {
    }
}