Java tutorial
/** * Copyright (c) 2011, 2015 Eurotech and/or its affiliates * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Eurotech */ package org.eclipse.kura.web.client.settings; import org.eclipse.kura.web.client.messages.Messages; import org.eclipse.kura.web.client.resources.Resources; import org.eclipse.kura.web.client.util.Constants; import org.eclipse.kura.web.client.util.FailureHandler; import org.eclipse.kura.web.client.util.UserAgentUtils; import org.eclipse.kura.web.shared.GwtKuraErrorCode; import org.eclipse.kura.web.shared.model.GwtSession; import org.eclipse.kura.web.shared.model.GwtSslConfig; import org.eclipse.kura.web.shared.model.GwtXSRFToken; import org.eclipse.kura.web.shared.service.GwtSecurityTokenService; import org.eclipse.kura.web.shared.service.GwtSecurityTokenServiceAsync; import org.eclipse.kura.web.shared.service.GwtSslService; import org.eclipse.kura.web.shared.service.GwtSslServiceAsync; import com.extjs.gxt.ui.client.Style.LayoutRegion; import com.extjs.gxt.ui.client.Style.Scroll; import com.extjs.gxt.ui.client.core.El; import com.extjs.gxt.ui.client.core.XDOM; import com.extjs.gxt.ui.client.event.BaseEvent; import com.extjs.gxt.ui.client.event.ButtonEvent; import com.extjs.gxt.ui.client.event.ComponentEvent; import com.extjs.gxt.ui.client.event.Events; import com.extjs.gxt.ui.client.event.Listener; import com.extjs.gxt.ui.client.event.SelectionListener; import com.extjs.gxt.ui.client.util.Margins; import com.extjs.gxt.ui.client.widget.Component; import com.extjs.gxt.ui.client.widget.ComponentPlugin; import com.extjs.gxt.ui.client.widget.ContentPanel; import com.extjs.gxt.ui.client.widget.Info; import com.extjs.gxt.ui.client.widget.LayoutContainer; import com.extjs.gxt.ui.client.widget.button.Button; import com.extjs.gxt.ui.client.widget.form.Field; import com.extjs.gxt.ui.client.widget.form.FieldSet; import com.extjs.gxt.ui.client.widget.form.FormPanel; import com.extjs.gxt.ui.client.widget.form.Radio; import com.extjs.gxt.ui.client.widget.form.RadioGroup; import com.extjs.gxt.ui.client.widget.form.TextField; import com.extjs.gxt.ui.client.widget.layout.BorderLayout; import com.extjs.gxt.ui.client.widget.layout.BorderLayoutData; import com.extjs.gxt.ui.client.widget.layout.ColumnLayout; import com.extjs.gxt.ui.client.widget.layout.FitLayout; import com.extjs.gxt.ui.client.widget.layout.FlowLayout; import com.extjs.gxt.ui.client.widget.layout.FormData; import com.extjs.gxt.ui.client.widget.layout.FormLayout; import com.extjs.gxt.ui.client.widget.toolbar.SeparatorToolItem; import com.extjs.gxt.ui.client.widget.toolbar.ToolBar; import com.google.gwt.core.client.GWT; import com.google.gwt.dom.client.NodeList; import com.google.gwt.user.client.Element; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.AbstractImagePrototype; import com.google.gwt.user.client.ui.Label; public class SslTab extends LayoutContainer { private static final Messages MSGS = GWT.create(Messages.class); private final GwtSecurityTokenServiceAsync gwtXSRFService = GWT.create(GwtSecurityTokenService.class); private final GwtSslServiceAsync gwtSslService = GWT.create(GwtSslService.class); @SuppressWarnings("unused") private GwtSession m_currentSession; private TextField<String> m_protocol; private Radio m_trueRadio; private Radio m_falseRadio; private RadioGroup m_hostnameVerification; private TextField<String> m_keystorePath; private TextField<String> m_keystorePassword; private TextField<String> m_cipherSuites; private ToolBar m_toolBar; private Button m_apply; private Button m_reset; private FieldSet m_actionFieldSet; private FormPanel m_actionFormPanel; private ComponentPlugin m_infoPlugin; private ComponentPlugin m_dirtyPlugin; private boolean m_dirty; private boolean m_initialized; private LayoutContainer m_tabContent; public SslTab(GwtSession currentSession) { m_currentSession = currentSession; m_dirty = false; m_initialized = false; m_infoPlugin = new ComponentPlugin() { public void init(Component component) { component.addListener(Events.Render, new Listener<ComponentEvent>() { public void handleEvent(ComponentEvent be) { El elem = be.getComponent().el().findParent(".x-form-element", 3); if (elem != null) { // should style in external CSS rather than directly elem.appendChild(XDOM.create("<div style='color: #615f5f; padding: 1px 25px 5px 0px;'>" + be.getComponent().getData("text") + "</div>")); } } }); } }; final SslTab thePanel = this; m_dirtyPlugin = new ComponentPlugin() { public void init(Component component) { component.addListener(Events.Change, new Listener<ComponentEvent>() { public void handleEvent(ComponentEvent be) { El elem = be.getComponent().el().findParent(".x-form-element", 7); @SuppressWarnings("unchecked") Field<Object> fe = (Field<Object>) be.getSource(); if (fe.isDirty()) { El dirtyIcon = elem.createChild(""); dirtyIcon.setStyleName("x-grid3-dirty-cell"); dirtyIcon.setStyleAttribute("top", "0"); dirtyIcon.setStyleAttribute("position", "absolute"); dirtyIcon.setSize(10, 10); dirtyIcon.show(); } else { Element child = elem.getChildElement(2); if (child != null) { elem.removeChild(child); } } thePanel.fireEvent(Events.Change); } }); } }; } protected void onRender(Element parent, int index) { super.onRender(parent, index); setLayout(new FitLayout()); setId("settings-ssl"); initToolBar(); initTabContent(); // Main Panel ContentPanel deviceCommandPanel = new ContentPanel(); deviceCommandPanel.setBorders(false); deviceCommandPanel.setBodyBorder(false); deviceCommandPanel.setHeaderVisible(false); deviceCommandPanel.setScrollMode(Scroll.AUTO); deviceCommandPanel.setLayout(new FitLayout()); deviceCommandPanel.add(m_tabContent); deviceCommandPanel.setTopComponent(m_toolBar); add(deviceCommandPanel); m_initialized = true; } protected void onDetach() { m_dirty = false; } private void initToolBar() { m_toolBar = new ToolBar(); m_toolBar.setBorders(true); m_toolBar.setId("settings-ssl-toolbar"); m_apply = new Button(MSGS.apply(), AbstractImagePrototype.create(Resources.INSTANCE.accept()), new SelectionListener<ButtonEvent>() { @Override public void componentSelected(ButtonEvent ce) { apply(); } }); m_reset = new Button(MSGS.reset(), AbstractImagePrototype.create(Resources.INSTANCE.cancel()), new SelectionListener<ButtonEvent>() { @Override public void componentSelected(ButtonEvent ce) { reset(); } }); m_apply.setEnabled(false); m_reset.setEnabled(false); m_toolBar.add(m_apply); m_toolBar.add(new SeparatorToolItem()); m_toolBar.add(m_reset); } // -------------------------------------------------------------------------------------- // // Device Configuration Management // // -------------------------------------------------------------------------------------- public boolean isDirty() { return m_dirty; } public void setDirty(boolean dirty) { m_dirty = dirty; } public void reset() { loadData(); refresh(); } public void apply() { m_tabContent.mask(); gwtXSRFService.generateSecurityToken(new AsyncCallback<GwtXSRFToken>() { @Override public void onFailure(Throwable ex) { FailureHandler.handle(ex); } @Override public void onSuccess(GwtXSRFToken token) { GwtSslConfig sslConfig = new GwtSslConfig(); sslConfig.setProtocol(m_protocol.getValue()); if (m_hostnameVerification.getValue() == m_trueRadio) { sslConfig.setHostnameVerification(true); } else { sslConfig.setHostnameVerification(false); } sslConfig.setKeyStore(m_keystorePath.getValue()); sslConfig.setKeystorePassword(m_keystorePassword.getValue()); sslConfig.setCiphers(m_cipherSuites.getValue()); gwtSslService.updateSslConfiguration(token, sslConfig, new AsyncCallback<Void>() { public void onFailure(Throwable caught) { if (caught.getLocalizedMessage().equals(GwtKuraErrorCode.ILLEGAL_ARGUMENT.toString())) { Info.display(MSGS.error(), "Error while updating service configuration."); } else { Info.display(MSGS.error(), caught.getLocalizedMessage()); } m_tabContent.unmask(); } public void onSuccess(Void result) { Info.display(MSGS.info(), "Service updated"); refresh(); m_tabContent.unmask(); } }); } }); } public void refresh() { if (m_dirty && m_initialized) { // clear the tree and disable the toolbar m_apply.setEnabled(false); m_reset.setEnabled(false); m_dirty = false; } } private void initTabContent() { LayoutContainer lcAction = new LayoutContainer(); lcAction.setLayout(new BorderLayout()); lcAction.setBorders(true); lcAction.setSize(475, -1); // center panel: action form BorderLayoutData centerData = new BorderLayoutData(LayoutRegion.CENTER, .75F); centerData.setSplit(false); centerData.setMargins(new Margins(0, 0, 0, 0)); FormData formData = new FormData("-20"); formData.setMargins(new Margins(0, 10, 0, 0)); if (!UserAgentUtils.isIE()) { m_actionFormPanel = new FormPanel(); m_actionFormPanel.setId("config-panel-id"); m_actionFormPanel.setFrame(false); m_actionFormPanel.setBodyBorder(false); m_actionFormPanel.setHeaderVisible(false); m_actionFormPanel.setLabelWidth(Constants.LABEL_WIDTH_CONFIG_FORM); m_actionFormPanel.setStyleAttribute("padding", "0px"); m_actionFormPanel.setScrollMode(Scroll.AUTO); m_actionFormPanel.setLayout(new FlowLayout()); m_actionFormPanel.addListener(Events.Render, new Listener<BaseEvent>() { public void handleEvent(BaseEvent be) { NodeList<com.google.gwt.dom.client.Element> nl = m_actionFormPanel.getElement() .getElementsByTagName("form"); if (nl.getLength() > 0) { com.google.gwt.dom.client.Element elemForm = nl.getItem(0); elemForm.setAttribute("autocomplete", "off"); } } }); m_actionFormPanel.getElement().setAttribute("autocomplete", "off"); } m_actionFieldSet = new FieldSet(); m_actionFieldSet.setId("configuration-form"); m_actionFieldSet.setBorders(false); m_actionFieldSet.setStyleAttribute("padding", "0px"); m_actionFieldSet.setScrollMode(Scroll.AUTO); this.addListener(Events.Change, new Listener<BaseEvent>() { public void handleEvent(BaseEvent be) { m_apply.setEnabled(true); m_reset.setEnabled(true); m_dirty = true; } }); FormLayout layout = new FormLayout(); layout.setLabelWidth(Constants.LABEL_WIDTH_CONFIG_FORM); m_actionFieldSet.setLayout(layout); loadData(); // // Initial description // LayoutContainer description = new LayoutContainer(); description.setBorders(false); description.setLayout(new ColumnLayout()); Label descriptionLabel = new Label(MSGS.settingsSSLConfigurationDescription()); description.add(descriptionLabel); description.setStyleAttribute("padding-bottom", "10px"); m_actionFieldSet.add(description); // // SSL protocol // m_protocol = new TextField<String>(); m_protocol.setName(MSGS.settingsSSLConfigurationProtocol()); m_protocol.setPassword(false); m_protocol.setAllowBlank(false); m_protocol.setFieldLabel(MSGS.settingsSSLConfigurationProtocol()); m_protocol.addPlugin(m_dirtyPlugin); m_protocol.addPlugin(m_infoPlugin); m_protocol.setData("text", MSGS.settingsSSLConfigurationProtocolDescr()); m_actionFieldSet.add(m_protocol, formData); // // SSL hostname verification // m_trueRadio = new Radio(); m_trueRadio.setBoxLabel(MSGS.trueLabel()); m_trueRadio.setItemId("true"); m_falseRadio = new Radio(); m_falseRadio.setBoxLabel(MSGS.falseLabel()); m_falseRadio.setValueAttribute("false"); m_hostnameVerification = new RadioGroup(); m_hostnameVerification.setName("Hostname Verification"); m_hostnameVerification.setItemId("Hostname Verification"); m_hostnameVerification.setFieldLabel(MSGS.settingsSSLConfigurationHostnameVerification()); m_hostnameVerification.add(m_trueRadio); m_hostnameVerification.add(m_falseRadio); m_hostnameVerification.addPlugin(m_infoPlugin); m_hostnameVerification.addPlugin(m_dirtyPlugin); m_hostnameVerification.setData("text", MSGS.settingsSSLConfigurationHostnameVerificationDescr()); m_actionFieldSet.add(m_hostnameVerification, formData); // // SSL keystore // m_keystorePath = new TextField<String>(); m_keystorePath.setName(MSGS.settingsSSLConfigurationKeystorePath()); m_keystorePath.setPassword(false); m_keystorePath.setAllowBlank(false); m_keystorePath.setFieldLabel(MSGS.settingsSSLConfigurationKeystorePath()); m_keystorePath.addPlugin(m_dirtyPlugin); m_keystorePath.addPlugin(m_infoPlugin); m_keystorePath.setData("text", MSGS.settingsSSLConfigurationKeystorePathDescr()); m_actionFieldSet.add(m_keystorePath, formData); // // SSL keystore password // m_keystorePassword = new TextField<String>(); m_keystorePassword.setName(MSGS.settingsSSLConfigurationKeystorePassword()); m_keystorePassword.setPassword(true); m_keystorePassword.setAllowBlank(false); m_keystorePassword.setFieldLabel(MSGS.settingsSSLConfigurationKeystorePassword()); m_keystorePassword.addPlugin(m_dirtyPlugin); m_keystorePassword.addPlugin(m_infoPlugin); m_keystorePassword.setData("text", MSGS.settingsSSLConfigurationKeystorePasswordDescr()); m_actionFieldSet.add(m_keystorePassword, formData); // // SSL cipher suites // m_cipherSuites = new TextField<String>(); m_cipherSuites.setName(MSGS.settingsSSLConfigurationCipherSuites()); m_cipherSuites.setPassword(false); m_cipherSuites.setAllowBlank(true); m_cipherSuites.setFieldLabel(MSGS.settingsSSLConfigurationCipherSuites()); m_cipherSuites.addPlugin(m_dirtyPlugin); m_cipherSuites.addPlugin(m_infoPlugin); m_cipherSuites.setData("text", MSGS.settingsSSLConfigurationCipherSuitesDescr()); m_actionFieldSet.add(m_cipherSuites, formData); if (!UserAgentUtils.isIE()) { m_actionFormPanel.add(m_actionFieldSet, formData); lcAction.add(m_actionFormPanel, centerData); } else { lcAction.add(m_actionFieldSet, centerData); } m_tabContent = lcAction; } private void loadData() { // // Retrieve content // gwtXSRFService.generateSecurityToken(new AsyncCallback<GwtXSRFToken>() { @Override public void onFailure(Throwable ex) { FailureHandler.handle(ex); } @Override public void onSuccess(GwtXSRFToken token) { gwtSslService.getSslConfiguration(token, new AsyncCallback<GwtSslConfig>() { public void onFailure(Throwable caught) { if (caught.getLocalizedMessage().equals(GwtKuraErrorCode.ILLEGAL_ARGUMENT.toString())) { Info.display(MSGS.error(), "Error while retrieving data"); } else { Info.display(MSGS.error(), caught.getLocalizedMessage()); } } public void onSuccess(GwtSslConfig sslConfig) { m_protocol.setValue(sslConfig.getProtocol()); m_protocol.setOriginalValue(sslConfig.getProtocol()); if (sslConfig.isHostnameVerification()) { m_hostnameVerification.setOriginalValue(m_trueRadio); m_hostnameVerification.setValue(m_trueRadio); } else { m_hostnameVerification.setOriginalValue(m_falseRadio); m_hostnameVerification.setValue(m_falseRadio); } m_keystorePath.setValue(sslConfig.getKeyStore()); m_keystorePath.setOriginalValue(sslConfig.getKeyStore()); m_keystorePassword.setValue(sslConfig.getKeystorePassword()); m_keystorePassword.setOriginalValue(sslConfig.getKeystorePassword()); m_cipherSuites.setValue(sslConfig.getCiphers()); m_cipherSuites.setOriginalValue(sslConfig.getCiphers()); } }); } }); } }