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.management; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.roda.core.data.common.RodaConstants; import org.roda.core.data.v2.log.LogEntry; import org.roda.core.data.v2.log.LogEntryParameter; import org.roda.wui.client.browse.BrowserService; import org.roda.wui.client.common.LastSelectedItemsSingleton; import org.roda.wui.client.common.UserLogin; import org.roda.wui.client.common.utils.HtmlSnippetUtils; import org.roda.wui.client.common.utils.JavascriptUtils; import org.roda.wui.client.common.utils.StringUtils; import org.roda.wui.common.client.HistoryResolver; import org.roda.wui.common.client.tools.HistoryUtils; import org.roda.wui.common.client.tools.ListUtils; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.i18n.client.DateTimeFormat; import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat; import com.google.gwt.safehtml.shared.SafeHtmlUtils; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.uibinder.client.UiHandler; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Widget; import config.i18n.client.ClientMessages; /** * @author Luis Faria * */ public class ShowLogEntry extends Composite { public static final HistoryResolver RESOLVER = new HistoryResolver() { @Override public void resolve(List<String> historyTokens, final AsyncCallback<Widget> callback) { if (historyTokens.size() == 1) { String logEntryId = historyTokens.get(0); BrowserService.Util.getInstance().retrieve(LogEntry.class.getName(), logEntryId, fieldsToReturn, new AsyncCallback<LogEntry>() { @Override public void onFailure(Throwable caught) { callback.onFailure(caught); } @Override public void onSuccess(LogEntry result) { ShowLogEntry logEntryPanel = new ShowLogEntry(result); callback.onSuccess(logEntryPanel); } }); } else { HistoryUtils.newHistory(UserLog.RESOLVER); callback.onSuccess(null); } } @Override public void isCurrentUserPermitted(AsyncCallback<Boolean> callback) { UserLogin.getInstance().checkRoles(new HistoryResolver[] { MemberManagement.RESOLVER }, false, callback); } @Override public List<String> getHistoryPath() { return ListUtils.concat(UserLog.RESOLVER.getHistoryPath(), getHistoryToken()); } @Override public String getHistoryToken() { return "logentry"; } }; interface MyUiBinder extends UiBinder<Widget, ShowLogEntry> { } private static MyUiBinder uiBinder = GWT.create(MyUiBinder.class); private static ClientMessages messages = GWT.create(ClientMessages.class); private static final List<String> fieldsToReturn = Arrays.asList(RodaConstants.INDEX_UUID, RodaConstants.LOG_ID, RodaConstants.LOG_ACTION_COMPONENT, RodaConstants.LOG_ACTION_METHOD, RodaConstants.LOG_ADDRESS, RodaConstants.LOG_DATETIME, RodaConstants.LOG_RELATED_OBJECT_ID, RodaConstants.LOG_USERNAME, RodaConstants.LOG_PARAMETERS, RodaConstants.LOG_STATE); @UiField Label logIdLabel, logIdValue; @UiField Label logComponentLabel, logComponentValue; @UiField Label logMethodLabel, logMethodValue; @UiField Label logAddressLabel, logAddressValue; @UiField Label logDatetimeLabel, logDatetimeValue; @UiField Label logRelatedObjectLabel, logRelatedObjectValue; @UiField Label logUsernameLabel, logUsernameValue; @UiField Label logParametersLabel; @UiField FlowPanel logParametersValue; @UiField Label logStateLabel; @UiField HTML logStateValue; @UiField Button buttonCancel; /** * Create a new panel to view a log entry * */ public ShowLogEntry(LogEntry logEntry) { initWidget(uiBinder.createAndBindUi(this)); logIdValue.setText(logEntry.getId()); logIdLabel.setVisible(StringUtils.isNotBlank(logEntry.getId())); logIdValue.setVisible(StringUtils.isNotBlank(logEntry.getId())); logComponentValue.setText(logEntry.getActionComponent()); logComponentLabel.setVisible(StringUtils.isNotBlank(logEntry.getActionComponent())); logComponentValue.setVisible(StringUtils.isNotBlank(logEntry.getActionComponent())); logMethodValue.setText(logEntry.getActionMethod()); logMethodLabel.setVisible(StringUtils.isNotBlank(logEntry.getActionMethod())); logMethodValue.setVisible(StringUtils.isNotBlank(logEntry.getActionMethod())); logAddressValue.setText(logEntry.getAddress()); logAddressLabel.setVisible(StringUtils.isNotBlank(logEntry.getAddress())); logAddressValue.setVisible(StringUtils.isNotBlank(logEntry.getAddress())); logDatetimeValue .setText(DateTimeFormat.getFormat(PredefinedFormat.DATE_TIME_FULL).format(logEntry.getDatetime())); logDatetimeLabel.setVisible(logEntry.getDatetime() != null); logDatetimeValue.setVisible(logEntry.getDatetime() != null); logRelatedObjectValue.setText(logEntry.getRelatedObjectID()); logRelatedObjectLabel.setVisible(StringUtils.isNotBlank(logEntry.getRelatedObjectID())); logRelatedObjectValue.setVisible(StringUtils.isNotBlank(logEntry.getRelatedObjectID())); logUsernameValue.setText(logEntry.getUsername()); logUsernameLabel.setVisible(StringUtils.isNotBlank(logEntry.getUsername())); logUsernameValue.setVisible(StringUtils.isNotBlank(logEntry.getUsername())); List<LogEntryParameter> parameters = logEntry.getParameters(); if (parameters != null && !parameters.isEmpty()) { for (LogEntryParameter par : parameters) { HTML parPanel = new HTML(); parPanel.setHTML(SafeHtmlUtils.fromString(messages.logParameter(par.getName(), par.getValue()))); logParametersValue.add(parPanel); } logParametersLabel.setVisible(true); logParametersValue.setVisible(true); } else { logParametersLabel.setVisible(false); logParametersValue.setVisible(false); } logStateValue.setHTML(HtmlSnippetUtils.getLogEntryStateHtml(logEntry.getState())); logStateLabel.setVisible(logEntry.getState() != null); logStateValue.setVisible(logEntry.getState() != null); } @Override protected void onLoad() { super.onLoad(); JavascriptUtils.stickSidebar(); } @UiHandler("buttonCancel") void handleButtonCancel(ClickEvent e) { cancel(); } private void cancel() { List<String> lastHistory = new ArrayList<>(LastSelectedItemsSingleton.getInstance().getLastHistory()); LastSelectedItemsSingleton.getInstance().clearLastHistory(); HistoryUtils.newHistory(lastHistory); } }