gt:         while (itEntries.hasNext()) {
context: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: http://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: http://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.ui.apps.user;
  
  import org.opencms.file.CmsObject;
  import org.opencms.file.CmsUser;
  import org.opencms.main.CmsException;
  import org.opencms.main.CmsLog;
  import org.opencms.ui.CmsVaadinUtils;
  import org.opencms.ui.components.CmsBasicDialog;
  import org.opencms.ui.components.editablegroup.CmsEditableGroup;
  import org.opencms.ui.components.editablegroup.I_CmsEditableGroupRow;
  import org.opencms.util.CmsDataTypeUtil;
  import org.opencms.util.CmsStringUtil;
  import org.opencms.util.CmsUUID;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map.Entry;
  import java.util.SortedMap;
  import java.util.TreeMap;
  
  import org.apache.commons.logging.Log;
  
  import com.google.common.base.Supplier;
  import com.vaadin.ui.Button;
  import com.vaadin.ui.Button.ClickEvent;
  import com.vaadin.ui.Button.ClickListener;
  import com.vaadin.ui.Component;
  import com.vaadin.ui.FormLayout;
  import com.vaadin.ui.Window;
  import com.vaadin.v7.ui.HorizontalLayout;
  import com.vaadin.v7.ui.TextField;
  
  /**
   * Class for the Additional User info dialog.<p>
   */
  public class CmsAdditionalInfosDialog extends CmsBasicDialog {
  
      /**vaadin serial id. */
      private static final long serialVersionUID = 9007206105761103873L;
  
      /** The logger of this class. */
      private static final Log LOG = CmsLog.getLog(CmsAdditionalInfosDialog.class);
  
      /**CmsUser to edit additional infos for. */
      private CmsUser m_user;
  
      /**vaadin component.*/
      private FormLayout m_layout;
  
      /**Layout for not editable info. */
      private FormLayout m_layoutnoedit;
  
      /**cancel button.*/
      private Button m_cancel;
  
      /**ok button.*/
      private Button m_ok;
  
      /** The map of editable additional info entries. */
      private SortedMap<String, Object> m_addInfoEditable;
  
      /** The map of non-editable additional info entries. */
      private SortedMap<String, Object> m_addInfoReadOnly;
  
      /** The group for the module resource fields. */
      private CmsEditableGroup m_userinfoGroup;
  
      /** The group for the module resource fields. */
      private CmsEditableGroup m_userinfoNoEditGroup;
  
      /** CmsObject.*/
      private CmsObject m_cms;
  
      /**
       * public constructor.<p>
       *
       * @param cms CmsObject
       * @param userID id of user
       * @param window window
       * @param app
       */
      public CmsAdditionalInfosDialog(CmsObject cms, CmsUUID userID, final Window window, CmsAccountsApp app) {
  
          CmsVaadinUtils.readAndLocalizeDesign(this, CmsVaadinUtils.getWpMessagesForCurrentLocale(), null);
  
          m_cms = cms;
          try {
              m_user = cms.readUser(userID);
              displayResourceInfoDirectly(Collections.singletonList(CmsAccountsApp.getPrincipalInfo(m_user)));
          } catch (CmsException e) {
              //
          }
  
          setAddInfoMaps();
  
          Supplier<Component> fieldFactory = new Supplier<Component>() {
  
              public Component get() {
  
                  return addInfoLayout("", "", true);
              }
          };
  
          m_userinfoGroup = new CmsEditableGroup(m_layout, fieldFactory, "Add");
          m_userinfoGroup.init();
  
          m_userinfoNoEditGroup = new CmsEditableGroup(m_layoutnoedit, fieldFactory, "Add");
          m_userinfoNoEditGroup.setAddButtonVisible(false);
          m_userinfoNoEditGroup.init();
  
          for (String info : m_addInfoEditable.keySet()) {
              addAddInfoLayout(info, m_addInfoEditable.get(info), true);
          }
  
          for (String info : m_addInfoReadOnly.keySet()) {
              addAddInfoLayout(info, m_addInfoReadOnly.get(info), false);
          }
  
          window.setCaption(
              CmsVaadinUtils.getMessageText(
                  org.opencms.ui.apps.Messages.GUI_USERMANAGEMENT_USER_ADDITIONAL_INFOS_WINDOW_CAPTION_1,
                  m_user.getSimpleName()));
  
          m_cancel.addClickListener(new ClickListener() {
  
              private static final long serialVersionUID = 4879585408645749L;
  
              public void buttonClick(ClickEvent event) {
  
                  window.close();
              }
  
          });
  
          m_ok.addClickListener(new ClickListener() {
  
              /**vaadin serial id. */
              private static final long serialVersionUID = -5168099515616397665L;
  
              public void buttonClick(ClickEvent event) {
  
                  submit();
                  window.close();
                  app.reload();
              }
          });
  
      }
  
      /**
       * Submit additional info to user.<p>
       */
      protected void submit() {
  
          if (m_userinfoNoEditGroup.getRows().size() != m_addInfoReadOnly.size()) {
              List<String> currentKeys = getKeyListFromGroup(m_userinfoNoEditGroup);
              for (String key : m_addInfoReadOnly.keySet()) {
                  if (!currentKeys.contains(key)) {
                      saveAddInfo(key, null);
                  }
              }
          }
  
          for (I_CmsEditableGroupRow row : m_userinfoGroup.getRows()) {
              String key = ((TextField)(((HorizontalLayout)row.getComponent()).getComponent(0))).getValue();
              String value = ((TextField)(((HorizontalLayout)row.getComponent()).getComponent(1))).getValue();
              saveAddInfo(key, value);
              m_addInfoEditable.remove(key);
          }
  
          //Remaining items in list seem to be deleted by the user..
          for (String key : m_addInfoEditable.keySet()) {
              saveAddInfo(key, null);
          }
          try {
              m_cms.writeUser(m_user);
          } catch (CmsException e) {
              LOG.error("Unable to write user.", e);
          }
      }
  
      /**
       * Get horizontal layout with key, value from additional info.<p>
       *
       * @param key key
       * @param value value
       * @param editable boolean
       * @return HorizontalLayout
       */
      HorizontalLayout addInfoLayout(String key, Object value, boolean editable) {
  
          HorizontalLayout res = new HorizontalLayout();
          res.setWidth("100%");
          res.setSpacing(true);
  
          TextField keyField = new TextField();
          keyField.setValue(key);
          keyField.setEnabled(editable);
          keyField.setWidth("100%");
  
          TextField valueField = new TextField();
          valueField.setValue(value.toString());
          valueField.setEnabled(editable);
          valueField.setWidth("100%");
  
          res.addComponent(keyField);
          res.addComponent(valueField);
  
          res.setExpandRatio(keyField, 1);
          res.setExpandRatio(valueField, 1);
  
          return res;
      }
  
      /**
       * Add key value pair as component to ui.<p>
       *
       * @param key string
       * @param value object
       * @param editable boolean
       */
      private void addAddInfoLayout(String key, Object value, boolean editable) {
  
          HorizontalLayout res = addInfoLayout(key, value, editable);
          if (editable) {
              m_userinfoGroup.addRow(res);
          } else {
              m_userinfoNoEditGroup.addRow(res);
          }
      }
  
      /**
       * Get List of keys from UI.<p>
       *
       * @param group editablegroup object
       * @return List of keys
       */
      private List<String> getKeyListFromGroup(CmsEditableGroup group) {
  
          List<String> res = new ArrayList<String>();
          for (I_CmsEditableGroupRow row : group.getRows()) {
              res.add(((TextField)(((HorizontalLayout)row.getComponent()).getComponent(0))).getValue());
          }
          return res;
      }
  
      /**
       * Adds additional info to user.<p>
       * (Doesn't write the user)<p>
       *
       * @param key string
       * @param value string
       */
      private void saveAddInfo(String key, String value) {
  
          int pos = key.indexOf("@");
  
          String className = "";
          if (pos > -1) {
              className = key.substring(pos + 1);
              key = key.substring(0, pos);
          }
  
          if (CmsStringUtil.isEmptyOrWhitespaceOnly(value)) {
              m_user.deleteAdditionalInfo(key);
              return;
          }
  
          if (pos < 0) {
              m_user.setAdditionalInfo(key, value);
              return;
          }
  
          Class<?> clazz;
          try {
              // try the class name
              clazz = Class.forName(className);
          } catch (Throwable e) {
              try {
                  // try the class in the java.lang package
                  clazz = Class.forName(Integer.class.getPackage().getName() + "." + className);
              } catch (Throwable e1) {
                  clazz = String.class;
              }
          }
          m_user.setAdditionalInfo(key, CmsDataTypeUtil.parse(value, clazz));
      }
  
      /**
       * Builds the additional info maps.<p>
       */
      private void setAddInfoMaps() {
  
          m_addInfoEditable = new TreeMap<String, Object>();
          m_addInfoReadOnly = new TreeMap<String, Object>();
          Iterator<Entry<String, Object>> itEntries = m_user.getAdditionalInfo().entrySet().iterator();
  