Java tutorial
/** * The contents of this file are subject to the license and copyright * detailed in the LICENSE file at the root of the source * tree and available online at * * https://github.com/keeps/roda */ /** * */ package org.roda.wui.client.main; import java.util.HashSet; import java.util.List; import java.util.Set; import org.roda.core.data.v2.user.User; import org.roda.wui.client.browse.BrowseAIP; import org.roda.wui.client.common.UserLogin; import org.roda.wui.client.common.dialogs.Dialogs; import org.roda.wui.client.common.utils.AsyncCallbackUtils; import org.roda.wui.client.common.utils.StringUtils; import org.roda.wui.client.ingest.Ingest; import org.roda.wui.client.management.Management; import org.roda.wui.client.management.Profile; import org.roda.wui.client.management.RecoverLogin; import org.roda.wui.client.management.Register; import org.roda.wui.client.management.ResetPassword; import org.roda.wui.client.management.VerifyEmail; import org.roda.wui.client.planning.Planning; import org.roda.wui.client.process.Process; import org.roda.wui.client.search.Relation; import org.roda.wui.client.search.Search; import org.roda.wui.client.welcome.Help; import org.roda.wui.client.welcome.Welcome; import org.roda.wui.common.client.BadHistoryTokenException; import org.roda.wui.common.client.ClientLogger; import org.roda.wui.common.client.HistoryResolver; import org.roda.wui.common.client.tools.HistoryUtils; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.SimplePanel; import com.google.gwt.user.client.ui.Widget; import config.i18n.client.ClientMessages; /** * @author Luis Faria * */ public class ContentPanel extends SimplePanel { private static ContentPanel instance = null; @SuppressWarnings("unused") private static ClientLogger logger = new ClientLogger(ContentPanel.class.getName()); private static final Set<HistoryResolver> resolvers = new HashSet<>(); private static ClientMessages messages = (ClientMessages) GWT.create(ClientMessages.class); private Widget currWidget; private ContentPanel() { super(); this.addStyleName("contentPanel"); this.currWidget = null; } /** * Get the singleton instance * * @return the singleton instance */ public static ContentPanel getInstance() { if (instance == null) { instance = new ContentPanel(); } return instance; } public void init() { // Login resolvers.add(Login.RESOLVER); // Home resolvers.add(Welcome.RESOLVER); // Theme static pages resolvers.add(Theme.RESOLVER); // Browse resolvers.add(BrowseAIP.RESOLVER); // Search resolvers.add(Search.RESOLVER); resolvers.add(Relation.RESOLVER); // Ingest resolvers.add(Ingest.RESOLVER); // Management resolvers.add(Management.RESOLVER); // Planning resolvers.add(Planning.RESOLVER); // User Management resolvers.add(Profile.RESOLVER); resolvers.add(Register.RESOLVER); resolvers.add(RecoverLogin.RESOLVER); resolvers.add(ResetPassword.RESOLVER); resolvers.add(VerifyEmail.RESOLVER); resolvers.add(Process.RESOLVER); // Help resolvers.add(Help.RESOLVER); // UUID resolver resolvers.add(HistoryUtils.UUID_RESOLVER); } /** * Update the content panel with the new history * * @param historyTokens * the history tokens */ public void update(final List<String> historyTokens) { HistoryResolver foundResolver = null; for (final HistoryResolver resolver : resolvers) { if (historyTokens.get(0).equals(resolver.getHistoryToken())) { foundResolver = resolver; break; } } if (foundResolver != null) { update(historyTokens, foundResolver); } else { HistoryUtils.newHistory(Theme.RESOLVER, "Error404.html"); } } private void update(final List<String> historyTokens, final HistoryResolver resolver) { resolver.isCurrentUserPermitted(new AsyncCallback<Boolean>() { @Override public void onFailure(Throwable caught) { AsyncCallbackUtils.defaultFailureTreatment(caught); } @Override public void onSuccess(Boolean permitted) { if (!permitted.booleanValue()) { UserLogin.getInstance().getAuthenticatedUser(new AsyncCallback<User>() { @Override public void onFailure(Throwable caught) { UserLogin.getInstance().showSuggestLoginDialog(); } @Override public void onSuccess(User user) { if (user.isGuest()) { UserLogin.getInstance().showSuggestLoginDialog(); } else { Dialogs.showInformationDialog(messages.authorizationDeniedAlert(), messages.authorizationDeniedAlertMessageExceptionSimple(), messages.dialogOk(), new AsyncCallback<Void>() { @Override public void onFailure(Throwable caught) { HistoryUtils.newHistory(Welcome.RESOLVER); } @Override public void onSuccess(Void result) { HistoryUtils.newHistory(Welcome.RESOLVER); } }); } } }); } else { resolver.resolve(HistoryUtils.tail(historyTokens), new AsyncCallback<Widget>() { @Override public void onFailure(Throwable caught) { if (caught instanceof BadHistoryTokenException) { HistoryUtils.newHistory(Theme.RESOLVER, "Error404.html"); } else { AsyncCallbackUtils.defaultFailureTreatment(caught); } } @Override public void onSuccess(Widget widget) { if (widget != null) { if (widget != currWidget) { currWidget = widget; setWidget(widget); } setWindowTitle(historyTokens); } } }); } } }); } private void setWindowTitle(List<String> historyTokens) { String tokenI18N = ""; boolean resolved = false; List<String> tokens = historyTokens; while (!resolved && !tokens.isEmpty()) { String token = StringUtils.join(tokens, "_"); tokenI18N = messages.title(token).toUpperCase(); if (tokenI18N.isEmpty()) { tokens = HistoryUtils.removeLast(tokens); } else { resolved = true; } } if (!resolved) { String lastToken = historyTokens.get(historyTokens.size() - 1); // TODO generalize suffix approach if (lastToken.endsWith(".html")) { lastToken = lastToken.substring(0, lastToken.length() - ".html".length()); } // transform camel case to spaces lastToken = lastToken.replaceAll("([A-Z])", " $1"); // upper-case lastToken = lastToken.toUpperCase(); tokenI18N = lastToken; } // title.setText(tokenI18N); Window.setTitle(messages.windowTitle(tokenI18N)); } }