Java tutorial
/** * This file Copyright (c) 2011-2015 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.ui.form.field; import org.apache.commons.lang3.StringUtils; import com.vaadin.data.Property; import com.vaadin.data.Validator.InvalidValueException; import com.vaadin.ui.Component; import com.vaadin.ui.CustomField; import com.vaadin.ui.Label; import com.vaadin.ui.PasswordField; import com.vaadin.ui.VerticalLayout; /** * A base custom field displaying one ore two Password Fields. * Implement the Logic to check the validity of typed passwords. */ public class PasswordFields extends CustomField<String> { private PasswordField passwordField; private PasswordField verificationField; private boolean verification = false; private String verificationErrorMessage; private VerticalLayout layout; private String verificationMessage; /** * Create a {@link CustomField} based on a {@link VerticalLayout}. * The layout is composed by: * - {@link PasswordField}. * if verification: * - {@link Label} (verificationMessage). * - {@link PasswordField}. */ public PasswordFields(boolean verification, String verificationMessage, String verificationErrorMessage) { layout = new VerticalLayout(); passwordField = new PasswordField(); passwordField.setNullRepresentation(""); passwordField.setWidth("100%"); this.verification = verification; this.verificationErrorMessage = verificationErrorMessage; this.verificationMessage = verificationMessage; if (this.verification) { verificationField = new PasswordField(); verificationField.setNullRepresentation(""); verificationField.setWidth("100%"); } initContent(); } @Override protected Component initContent() { // Init layout layout.addComponent(passwordField); if (this.verification) { Label msg = new Label(verificationMessage); layout.addComponent(msg); layout.addComponent(verificationField); } return layout; } public VerticalLayout getVerticalLayout() { return this.layout; } /** * Check if both fields are equals. */ @Override public void validate() throws InvalidValueException { super.validate(); if (this.verification) { if (passwordField.getValue() == null || StringUtils.isBlank(passwordField.getValue().toString()) || verificationField.getValue() == null || StringUtils.isBlank(verificationField.getValue().toString())) { throw new InvalidValueException(verificationErrorMessage); } if (!passwordField.getValue().toString().equals(verificationField.getValue().toString())) { throw new InvalidValueException(verificationErrorMessage); } } } @Override public boolean isValid() { if (super.isValid()) { try { this.validate(); return true; } catch (InvalidValueException ive) { return false; } } else { return false; } } @Override public Class<String> getType() { return String.class; } @Override public String getValue() { return passwordField.getValue(); } @Override public void setValue(String newValue) throws ReadOnlyException { passwordField.setValue(newValue); } @Override @SuppressWarnings("rawtypes") public void setPropertyDataSource(Property newDataSource) { passwordField.setPropertyDataSource(newDataSource); if (this.verification && newDataSource.getValue() != null) { verificationField.setValue(String.valueOf(newDataSource.getValue())); } super.setPropertyDataSource(newDataSource); } @Override public Property<?> getPropertyDataSource() { return passwordField.getPropertyDataSource(); } }