Java tutorial
/* * Copyright (c) 2010-2011, Martijn Brinkers, Djigzo. * * This file is part of Djigzo email encryption. * * Djigzo is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License * version 3, 19 November 2007 as published by the Free Software * Foundation. * * Djigzo 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public * License along with Djigzo. If not, see <http://www.gnu.org/licenses/> * * Additional permission under GNU AGPL version 3 section 7 * * If you modify this Program, or any covered work, by linking or * combining it with saaj-api-1.3.jar, saaj-impl-1.3.jar, * wsdl4j-1.6.1.jar (or modified versions of these libraries), * containing parts covered by the terms of Common Development and * Distribution License (CDDL), Common Public License (CPL) the * licensors of this Program grant you additional permission to * convey the resulting work. */ package mitm.djigzo.web.pages.dlp.patterns; import mitm.application.djigzo.admin.FactoryRoles; import mitm.application.djigzo.ws.PolicyPatternManagerWS; import mitm.application.djigzo.ws.PolicyPatternNodeDTO; import mitm.common.ws.WebServiceCheckedException; import org.apache.commons.lang.StringUtils; import org.apache.tapestry5.PersistenceConstants; import org.apache.tapestry5.ValidationException; import org.apache.tapestry5.annotations.Component; import org.apache.tapestry5.annotations.IncludeStylesheet; import org.apache.tapestry5.annotations.Persist; import org.apache.tapestry5.annotations.SetupRender; import org.apache.tapestry5.corelib.components.TextField; import org.apache.tapestry5.ioc.annotations.Inject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.security.annotation.Secured; @Secured({ FactoryRoles.ROLE_ADMIN, FactoryRoles.ROLE_DLP_MANAGER }) @IncludeStylesheet("context:styles/pages/dlp/patterns/rename.css") public class PatternsRename { private final static Logger logger = LoggerFactory.getLogger(PatternsRename.class); /* * The new name of this pattern */ private String newName; @Inject private PolicyPatternManagerWS policyPatternManagerWS; /* * Set to the PolicyPatternNode that is being edited */ private PolicyPatternNodeDTO policyPatternNode; /* * True if and error has occurred */ @Persist(PersistenceConstants.FLASH) private boolean error; /* * Error message if an error has occurred */ @Persist(PersistenceConstants.FLASH) private String errorMessage; @SuppressWarnings("unused") @Component(id = "currentName", parameters = { "value = policyPatternNode.name" }) private TextField currentNameField; @SuppressWarnings("unused") @Component(id = "newName", parameters = { "value = newName", "validate = required, regexp" }) private TextField newNameField; @SetupRender @Secured({ FactoryRoles.ROLE_ADMIN, FactoryRoles.ROLE_DLP_MANAGER }) public void setupRender() { /* * prefill with current name */ if (newName == null && policyPatternNode != null) { newName = policyPatternNode.getName(); } } @Secured({ FactoryRoles.ROLE_ADMIN, FactoryRoles.ROLE_DLP_MANAGER }) public Object onActivate(String name) throws WebServiceCheckedException { policyPatternNode = policyPatternManagerWS.getPattern(name); if (policyPatternNode == null) { return PatternsView.class; } return null; } public String onPassivate() { return policyPatternNode != null ? policyPatternNode.getName() : null; } public void onValidateFromNewName(String newName) throws ValidationException, WebServiceCheckedException { if (newName != null) { if (policyPatternManagerWS.getPattern(StringUtils.trim(newName)) != null) { throw new ValidationException("A pattern with this name already exists."); } } } public Object onSuccess() { Object result = null; try { policyPatternManagerWS.renamePattern(policyPatternNode.getName(), StringUtils.trim(newName)); } catch (WebServiceCheckedException e) { logger.error("Error during submit.", e); errorMessage = e.getMessage(); error = true; } return result; } /* * Event handler called when the cancel button is pressed. */ protected Object onCancel() { return PatternsView.class; } public String getNewName() { return newName; } public void setNewName(String newName) { this.newName = newName; } public boolean isError() { return error; } public String getErrorMessage() { return errorMessage; } public PolicyPatternNodeDTO getPolicyPatternNode() { return policyPatternNode; } }