src/main/java/com/gitblit/wicket/pages/EditUserPage.java - gitblit - Git at Google

 /*
  * Copyright 2011 gitblit.com.
  *
  * Licensed 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 com.gitblit.wicket.pages;

 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;

 import org.apache.wicket.PageParameters;
 import org.apache.wicket.behavior.SimpleAttributeModifier;
 import org.apache.wicket.extensions.markup.html.form.palette.Palette;
 import org.apache.wicket.markup.html.form.Button;
 import org.apache.wicket.markup.html.form.CheckBox;
 import org.apache.wicket.markup.html.form.DropDownChoice;
 import org.apache.wicket.markup.html.form.Form;
 import org.apache.wicket.markup.html.form.TextField;
 import org.apache.wicket.model.CompoundPropertyModel;
 import org.apache.wicket.model.IModel;
 import org.apache.wicket.model.Model;
 import org.apache.wicket.model.util.CollectionModel;
 import org.apache.wicket.model.util.ListModel;

 import com.gitblit.Constants.RegistrantType;
 import com.gitblit.Constants.Role;
 import com.gitblit.GitBlitException;
 import com.gitblit.Keys;
 import com.gitblit.models.RegistrantAccessPermission;
 import com.gitblit.models.TeamModel;
 import com.gitblit.models.UserModel;
 import com.gitblit.utils.StringUtils;
 import com.gitblit.wicket.NonTrimmedPasswordTextField;
 import com.gitblit.wicket.RequiresAdminRole;
 import com.gitblit.wicket.StringChoiceRenderer;
 import com.gitblit.wicket.WicketUtils;
 import com.gitblit.wicket.panels.RegistrantPermissionsPanel;

 @RequiresAdminRole
 public class EditUserPage extends RootSubPage {

 	private final boolean isCreate;

 	public EditUserPage() {
 		// create constructor
 		super();
 		isCreate = true;
 		setupPage(new UserModel(""));
 		setStatelessHint(false);
 		setOutputMarkupId(true);
 	}

 	public EditUserPage(PageParameters params) {
 		// edit constructor
 		super(params);
 		isCreate = false;
 		String name = WicketUtils.getUsername(params);
 		UserModel model = app().users().getUserModel(name);
 		setupPage(model);
 		setStatelessHint(false);
 		setOutputMarkupId(true);
 	}

 	@Override
 	protected boolean requiresPageMap() {
 		return true;
 	}

 	@Override
 	protected Class<? extends BasePage> getRootNavPageClass() {
 		return UsersPage.class;
 	}

 	protected void setupPage(final UserModel userModel) {
 		if (isCreate) {
 			super.setupPage(getString("gb.newUser"), "");
 		} else {
 			super.setupPage(getString("gb.edit"), userModel.username);
 		}

 		final Model<String> confirmPassword = new Model<String>(
 				StringUtils.isEmpty(userModel.password) ? "" : userModel.password);
 		CompoundPropertyModel<UserModel> model = new CompoundPropertyModel<UserModel>(userModel);

 		// build list of projects including all repositories wildcards
 		List<String> repos = getAccessRestrictedRepositoryList(true, userModel);

 		List<String> userTeams = new ArrayList<String>();
 		for (TeamModel team : userModel.teams) {
 			userTeams.add(team.name);
 		}
 		Collections.sort(userTeams);

 		final String oldName = userModel.username;
 		final List<RegistrantAccessPermission> permissions = app().repositories().getUserAccessPermissions(userModel);

 		final Palette<String> teams = new Palette<String>("teams", new ListModel<String>(
 				new ArrayList<String>(userTeams)), new CollectionModel<String>(app().users()
 				.getAllTeamNames()), new StringChoiceRenderer(), 10, false);
 		Locale locale = userModel.getPreferences().getLocale();
 		if (locale == null) {
 			locale = Locale.ENGLISH;
 		}

 		List<Language> languages = UserPage.getLanguages();
 		Language preferredLanguage = null;
 		if (locale != null) {
 			String localeCode = locale.getLanguage();
 			if (!StringUtils.isEmpty(locale.getCountry())) {
 				localeCode += "_" + locale.getCountry();
 			}

 			for (Language lang : languages) {
 				if (lang.code.equals(localeCode)) {
 					// language_COUNTRY match
 					preferredLanguage = lang;
 				} else if (preferredLanguage != null && lang.code.startsWith(locale.getLanguage())) {
 					// language match
 					preferredLanguage = lang;
 				}
 			}
 		}
 		final IModel<Language> language = Model.of(preferredLanguage);
 		Form<UserModel> form = new Form<UserModel>("editForm", model) {

 			private static final long serialVersionUID = 1L;

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.apache.wicket.markup.html.form.Form#onSubmit()
 			 */
 			@Override
 			protected void onSubmit() {
 				if (StringUtils.isEmpty(userModel.username)) {
 					error(getString("gb.pleaseSetUsername"));
 					return;
 				}
 				Language lang = language.getObject();
 				if (lang != null) {
 					userModel.getPreferences().setLocale(lang.code);
 				}
 				// force username to lower-case
 				userModel.username = userModel.username.toLowerCase();
 				String username = userModel.username;
 				if (isCreate) {
 					UserModel model = app().users().getUserModel(username);
 					if (model != null) {
 						error(MessageFormat.format(getString("gb.usernameUnavailable"), username));
 						return;
 					}
 				}
 				boolean rename = !StringUtils.isEmpty(oldName)
 						&& !oldName.equalsIgnoreCase(username);
 				if (app().authentication().supportsCredentialChanges(userModel)) {
 					if (!userModel.password.equals(confirmPassword.getObject())) {
 						error(getString("gb.passwordsDoNotMatch"));
 						return;
 					}
 					String password = userModel.password;
 					if (!password.toUpperCase().startsWith(StringUtils.MD5_TYPE)
 							&& !password.toUpperCase().startsWith(StringUtils.COMBINED_MD5_TYPE)) {
 						// This is a plain text password.
 						// Check length.
 						int minLength = app().settings().getInteger(Keys.realm.minPasswordLength, 5);
 						if (minLength < 4) {
 							minLength = 4;
 						}
 						if (password.trim().length() < minLength) {
 							error(MessageFormat.format(getString("gb.passwordTooShort"),
 									minLength));
 							return;
 						}

 						// change the cookie
 						userModel.cookie = userModel.createCookie();

 						// Optionally store the password MD5 digest.
 						String type = app().settings().getString(Keys.realm.passwordStorage, "md5");
 						if (type.equalsIgnoreCase("md5")) {
 							// store MD5 digest of password
 							userModel.password = StringUtils.MD5_TYPE
 									+ StringUtils.getMD5(userModel.password);
 						} else if (type.equalsIgnoreCase("combined-md5")) {
 							// store MD5 digest of username+password
 							userModel.password = StringUtils.COMBINED_MD5_TYPE
 									+ StringUtils.getMD5(username + userModel.password);
 						}
 					} else if (rename
 							&& password.toUpperCase().startsWith(StringUtils.COMBINED_MD5_TYPE)) {
 						error(getString("gb.combinedMd5Rename"));
 						return;
 					}
 				}

 				// update user permissions
 				for (RegistrantAccessPermission repositoryPermission : permissions) {
 					if (repositoryPermission.mutable) {
 						userModel.setRepositoryPermission(repositoryPermission.registrant, repositoryPermission.permission);
 					}
 				}

 				Iterator<String> selectedTeams = teams.getSelectedChoices();
 				userModel.teams.clear();
 				while (selectedTeams.hasNext()) {
 					TeamModel team = app().users().getTeamModel(selectedTeams.next());
 					if (team == null) {
 						continue;
 					}
 					userModel.teams.add(team);
 				}

 				try {
 					if (isCreate) {
 						app().gitblit().addUser(userModel);
 					} else {
 						app().gitblit().reviseUser(oldName, userModel);
 					}
 				} catch (GitBlitException e) {
 					error(e.getMessage());
 					return;
 				}
 				setRedirect(false);
 				if (isCreate) {
 					// create another user
 					info(MessageFormat.format(getString("gb.userCreated"),
 							userModel.username));
 					setResponsePage(EditUserPage.class);
 				} else {
 					// back to users page
 					setResponsePage(UsersPage.class);
 				}
 			}
 		};

 		// do not let the browser pre-populate these fields
 		form.add(new SimpleAttributeModifier("autocomplete", "off"));

 		// not all user providers support manipulating username and password
 		boolean editCredentials = app().authentication().supportsCredentialChanges(userModel);

 		// not all user providers support manipulating display name
 		boolean editDisplayName = app().authentication().supportsDisplayNameChanges(userModel);

 		// not all user providers support manipulating email address
 		boolean editEmailAddress = app().authentication().supportsEmailAddressChanges(userModel);

 		// not all user providers support manipulating team memberships
 		boolean editTeams = app().authentication().supportsTeamMembershipChanges(userModel);

 		// not all user providers support manipulating the admin role
 		boolean changeAdminRole = app().authentication().supportsRoleChanges(userModel, Role.ADMIN);

 		// not all user providers support manipulating the create role
 		boolean changeCreateRole = app().authentication().supportsRoleChanges(userModel, Role.CREATE);

 		// not all user providers support manipulating the fork role
 		boolean changeForkRole = app().authentication().supportsRoleChanges(userModel, Role.FORK);

 		// field names reflective match UserModel fields
 		form.add(new TextField<String>("username").setEnabled(editCredentials));
 		NonTrimmedPasswordTextField passwordField = new NonTrimmedPasswordTextField("password");
 		passwordField.setResetPassword(false);
 		form.add(passwordField.setEnabled(editCredentials));
 		NonTrimmedPasswordTextField confirmPasswordField = new NonTrimmedPasswordTextField("confirmPassword",
 				confirmPassword);
 		confirmPasswordField.setResetPassword(false);
 		form.add(confirmPasswordField.setEnabled(editCredentials));
 		form.add(new TextField<String>("displayName").setEnabled(editDisplayName));
 		form.add(new TextField<String>("emailAddress").setEnabled(editEmailAddress));


 		DropDownChoice<Language> choice = new DropDownChoice<Language>("language",language,languages	);
 		form.add( choice.setEnabled(languages.size()>0) );
 		if (userModel.canAdmin() && !userModel.canAdmin) {
 			// user inherits Admin permission
 			// display a disabled-yet-checked checkbox
 			form.add(new CheckBox("canAdmin", Model.of(true)).setEnabled(false));
 		} else {
 			form.add(new CheckBox("canAdmin").setEnabled(changeAdminRole));
 		}

 		if (userModel.canFork() && !userModel.canFork) {
 			// user inherits Fork permission
 			// display a disabled-yet-checked checkbox
 			form.add(new CheckBox("canFork", Model.of(true)).setEnabled(false));
 		} else {
 			final boolean forkingAllowed = app().settings().getBoolean(Keys.web.allowForking, true);
 			form.add(new CheckBox("canFork").setEnabled(forkingAllowed && changeForkRole));
 		}

 		if (userModel.canCreate() && !userModel.canCreate) {
 			// user inherits Create permission
 			// display a disabled-yet-checked checkbox
 			form.add(new CheckBox("canCreate", Model.of(true)).setEnabled(false));
 		} else {
 			form.add(new CheckBox("canCreate").setEnabled(changeCreateRole));
 		}

 		form.add(new CheckBox("excludeFromFederation"));
 		form.add(new CheckBox("disabled"));

 		form.add(new RegistrantPermissionsPanel("repositories",	RegistrantType.REPOSITORY, repos, permissions, getAccessPermissions()));
 		form.add(teams.setEnabled(editTeams));

 		form.add(new TextField<String>("organizationalUnit").setEnabled(editDisplayName));
 		form.add(new TextField<String>("organization").setEnabled(editDisplayName));
 		form.add(new TextField<String>("locality").setEnabled(editDisplayName));
 		form.add(new TextField<String>("stateProvince").setEnabled(editDisplayName));
 		form.add(new TextField<String>("countryCode").setEnabled(editDisplayName));
 		form.add(new Button("save"));
 		Button cancel = new Button("cancel") {
 			private static final long serialVersionUID = 1L;

 			@Override
 			public void onSubmit() {
 				setResponsePage(UsersPage.class);
 			}
 		};
 		cancel.setDefaultFormProcessing(false);
 		form.add(cancel);

 		add(form);
 	}
 }
	/*
	* Copyright 2011 gitblit.com.
	*
	* Licensed 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 com.gitblit.wicket.pages;

	import java.text.MessageFormat;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Locale;

	import org.apache.wicket.PageParameters;
	import org.apache.wicket.behavior.SimpleAttributeModifier;
	import org.apache.wicket.extensions.markup.html.form.palette.Palette;
	import org.apache.wicket.markup.html.form.Button;
	import org.apache.wicket.markup.html.form.CheckBox;
	import org.apache.wicket.markup.html.form.DropDownChoice;
	import org.apache.wicket.markup.html.form.Form;
	import org.apache.wicket.markup.html.form.TextField;
	import org.apache.wicket.model.CompoundPropertyModel;
	import org.apache.wicket.model.IModel;
	import org.apache.wicket.model.Model;
	import org.apache.wicket.model.util.CollectionModel;
	import org.apache.wicket.model.util.ListModel;

	import com.gitblit.Constants.RegistrantType;
	import com.gitblit.Constants.Role;
	import com.gitblit.GitBlitException;
	import com.gitblit.Keys;
	import com.gitblit.models.RegistrantAccessPermission;
	import com.gitblit.models.TeamModel;
	import com.gitblit.models.UserModel;
	import com.gitblit.utils.StringUtils;
	import com.gitblit.wicket.NonTrimmedPasswordTextField;
	import com.gitblit.wicket.RequiresAdminRole;
	import com.gitblit.wicket.StringChoiceRenderer;
	import com.gitblit.wicket.WicketUtils;
	import com.gitblit.wicket.panels.RegistrantPermissionsPanel;

	@RequiresAdminRole
	public class EditUserPage extends RootSubPage {

	private final boolean isCreate;

	public EditUserPage() {
	// create constructor
	super();
	isCreate = true;
	setupPage(new UserModel(""));
	setStatelessHint(false);
	setOutputMarkupId(true);
	}

	public EditUserPage(PageParameters params) {
	// edit constructor
	super(params);
	isCreate = false;
	String name = WicketUtils.getUsername(params);
	UserModel model = app().users().getUserModel(name);
	setupPage(model);
	setStatelessHint(false);
	setOutputMarkupId(true);
	}

	@Override
	protected boolean requiresPageMap() {
	return true;
	}

	@Override
	protected Class<? extends BasePage> getRootNavPageClass() {
	return UsersPage.class;
	}

	protected void setupPage(final UserModel userModel) {
	if (isCreate) {
	super.setupPage(getString("gb.newUser"), "");
	} else {
	super.setupPage(getString("gb.edit"), userModel.username);
	}

	final Model<String> confirmPassword = new Model<String>(
	StringUtils.isEmpty(userModel.password) ? "" : userModel.password);
	CompoundPropertyModel<UserModel> model = new CompoundPropertyModel<UserModel>(userModel);

	// build list of projects including all repositories wildcards
	List<String> repos = getAccessRestrictedRepositoryList(true, userModel);

	List<String> userTeams = new ArrayList<String>();
	for (TeamModel team : userModel.teams) {
	userTeams.add(team.name);
	}
	Collections.sort(userTeams);

	final String oldName = userModel.username;
	final List<RegistrantAccessPermission> permissions = app().repositories().getUserAccessPermissions(userModel);

	final Palette<String> teams = new Palette<String>("teams", new ListModel<String>(
	new ArrayList<String>(userTeams)), new CollectionModel<String>(app().users()
	.getAllTeamNames()), new StringChoiceRenderer(), 10, false);
	Locale locale = userModel.getPreferences().getLocale();
	if (locale == null) {
	locale = Locale.ENGLISH;
	}

	List<Language> languages = UserPage.getLanguages();
	Language preferredLanguage = null;
	if (locale != null) {
	String localeCode = locale.getLanguage();
	if (!StringUtils.isEmpty(locale.getCountry())) {
	localeCode += "_" + locale.getCountry();
	}

	for (Language lang : languages) {
	if (lang.code.equals(localeCode)) {
	// language_COUNTRY match
	preferredLanguage = lang;
	} else if (preferredLanguage != null && lang.code.startsWith(locale.getLanguage())) {
	// language match
	preferredLanguage = lang;
	}
	}
	}
	final IModel<Language> language = Model.of(preferredLanguage);
	Form<UserModel> form = new Form<UserModel>("editForm", model) {

	private static final long serialVersionUID = 1L;

	/*
	* (non-Javadoc)
	*
	* @see org.apache.wicket.markup.html.form.Form#onSubmit()
	*/
	@Override
	protected void onSubmit() {
	if (StringUtils.isEmpty(userModel.username)) {
	error(getString("gb.pleaseSetUsername"));
	return;
	}
	Language lang = language.getObject();
	if (lang != null) {
	userModel.getPreferences().setLocale(lang.code);
	}
	// force username to lower-case
	userModel.username = userModel.username.toLowerCase();
	String username = userModel.username;
	if (isCreate) {
	UserModel model = app().users().getUserModel(username);
	if (model != null) {
	error(MessageFormat.format(getString("gb.usernameUnavailable"), username));
	return;
	}
	}
	boolean rename = !StringUtils.isEmpty(oldName)
	&& !oldName.equalsIgnoreCase(username);
	if (app().authentication().supportsCredentialChanges(userModel)) {
	if (!userModel.password.equals(confirmPassword.getObject())) {
	error(getString("gb.passwordsDoNotMatch"));
	return;
	}
	String password = userModel.password;
	if (!password.toUpperCase().startsWith(StringUtils.MD5_TYPE)
	&& !password.toUpperCase().startsWith(StringUtils.COMBINED_MD5_TYPE)) {
	// This is a plain text password.
	// Check length.
	int minLength = app().settings().getInteger(Keys.realm.minPasswordLength, 5);
	if (minLength < 4) {
	minLength = 4;
	}
	if (password.trim().length() < minLength) {
	error(MessageFormat.format(getString("gb.passwordTooShort"),
	minLength));
	return;
	}

	// change the cookie
	userModel.cookie = userModel.createCookie();

	// Optionally store the password MD5 digest.
	String type = app().settings().getString(Keys.realm.passwordStorage, "md5");
	if (type.equalsIgnoreCase("md5")) {
	// store MD5 digest of password
	userModel.password = StringUtils.MD5_TYPE
	+ StringUtils.getMD5(userModel.password);
	} else if (type.equalsIgnoreCase("combined-md5")) {
	// store MD5 digest of username+password
	userModel.password = StringUtils.COMBINED_MD5_TYPE
	+ StringUtils.getMD5(username + userModel.password);
	}
	} else if (rename
	&& password.toUpperCase().startsWith(StringUtils.COMBINED_MD5_TYPE)) {
	error(getString("gb.combinedMd5Rename"));
	return;
	}
	}

	// update user permissions
	for (RegistrantAccessPermission repositoryPermission : permissions) {
	if (repositoryPermission.mutable) {
	userModel.setRepositoryPermission(repositoryPermission.registrant, repositoryPermission.permission);
	}
	}

	Iterator<String> selectedTeams = teams.getSelectedChoices();
	userModel.teams.clear();
	while (selectedTeams.hasNext()) {
	TeamModel team = app().users().getTeamModel(selectedTeams.next());
	if (team == null) {
	continue;
	}
	userModel.teams.add(team);
	}

	try {
	if (isCreate) {
	app().gitblit().addUser(userModel);
	} else {
	app().gitblit().reviseUser(oldName, userModel);
	}
	} catch (GitBlitException e) {
	error(e.getMessage());
	return;
	}
	setRedirect(false);
	if (isCreate) {
	// create another user
	info(MessageFormat.format(getString("gb.userCreated"),
	userModel.username));
	setResponsePage(EditUserPage.class);
	} else {
	// back to users page
	setResponsePage(UsersPage.class);
	}
	}
	};

	// do not let the browser pre-populate these fields
	form.add(new SimpleAttributeModifier("autocomplete", "off"));

	// not all user providers support manipulating username and password
	boolean editCredentials = app().authentication().supportsCredentialChanges(userModel);

	// not all user providers support manipulating display name
	boolean editDisplayName = app().authentication().supportsDisplayNameChanges(userModel);

	// not all user providers support manipulating email address
	boolean editEmailAddress = app().authentication().supportsEmailAddressChanges(userModel);

	// not all user providers support manipulating team memberships
	boolean editTeams = app().authentication().supportsTeamMembershipChanges(userModel);

	// not all user providers support manipulating the admin role
	boolean changeAdminRole = app().authentication().supportsRoleChanges(userModel, Role.ADMIN);

	// not all user providers support manipulating the create role
	boolean changeCreateRole = app().authentication().supportsRoleChanges(userModel, Role.CREATE);

	// not all user providers support manipulating the fork role
	boolean changeForkRole = app().authentication().supportsRoleChanges(userModel, Role.FORK);

	// field names reflective match UserModel fields
	form.add(new TextField<String>("username").setEnabled(editCredentials));
	NonTrimmedPasswordTextField passwordField = new NonTrimmedPasswordTextField("password");
	passwordField.setResetPassword(false);
	form.add(passwordField.setEnabled(editCredentials));
	NonTrimmedPasswordTextField confirmPasswordField = new NonTrimmedPasswordTextField("confirmPassword",
	confirmPassword);
	confirmPasswordField.setResetPassword(false);
	form.add(confirmPasswordField.setEnabled(editCredentials));
	form.add(new TextField<String>("displayName").setEnabled(editDisplayName));
	form.add(new TextField<String>("emailAddress").setEnabled(editEmailAddress));


	DropDownChoice<Language> choice = new DropDownChoice<Language>("language",language,languages );
	form.add( choice.setEnabled(languages.size()>0) );
	if (userModel.canAdmin() && !userModel.canAdmin) {
	// user inherits Admin permission
	// display a disabled-yet-checked checkbox
	form.add(new CheckBox("canAdmin", Model.of(true)).setEnabled(false));
	} else {
	form.add(new CheckBox("canAdmin").setEnabled(changeAdminRole));
	}

	if (userModel.canFork() && !userModel.canFork) {
	// user inherits Fork permission
	// display a disabled-yet-checked checkbox
	form.add(new CheckBox("canFork", Model.of(true)).setEnabled(false));
	} else {
	final boolean forkingAllowed = app().settings().getBoolean(Keys.web.allowForking, true);
	form.add(new CheckBox("canFork").setEnabled(forkingAllowed && changeForkRole));
	}

	if (userModel.canCreate() && !userModel.canCreate) {
	// user inherits Create permission
	// display a disabled-yet-checked checkbox
	form.add(new CheckBox("canCreate", Model.of(true)).setEnabled(false));
	} else {
	form.add(new CheckBox("canCreate").setEnabled(changeCreateRole));
	}

	form.add(new CheckBox("excludeFromFederation"));
	form.add(new CheckBox("disabled"));

	form.add(new RegistrantPermissionsPanel("repositories", RegistrantType.REPOSITORY, repos, permissions, getAccessPermissions()));
	form.add(teams.setEnabled(editTeams));

	form.add(new TextField<String>("organizationalUnit").setEnabled(editDisplayName));
	form.add(new TextField<String>("organization").setEnabled(editDisplayName));
	form.add(new TextField<String>("locality").setEnabled(editDisplayName));
	form.add(new TextField<String>("stateProvince").setEnabled(editDisplayName));
	form.add(new TextField<String>("countryCode").setEnabled(editDisplayName));
	form.add(new Button("save"));
	Button cancel = new Button("cancel") {
	private static final long serialVersionUID = 1L;

	@Override
	public void onSubmit() {
	setResponsePage(UsersPage.class);
	}
	};
	cancel.setDefaultFormProcessing(false);
	form.add(cancel);

	add(form);
	}
	}