Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.syncope.client.console.approvals; import java.text.ParseException; import java.util.ArrayList; import java.util.Arrays; import java.util.Date; import java.util.List; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.math.NumberUtils; import org.apache.commons.lang3.time.FastDateFormat; import org.apache.syncope.client.console.commons.MapChoiceRenderer; import org.apache.syncope.client.console.panels.MultilevelPanel; import org.apache.syncope.client.console.wicket.markup.html.form.AjaxDropDownChoicePanel; import org.apache.syncope.client.console.wicket.markup.html.form.AjaxSpinnerFieldPanel; import org.apache.syncope.client.console.wicket.markup.html.form.AjaxTextFieldPanel; import org.apache.syncope.client.console.wicket.markup.html.form.AjaxDateTimeFieldPanel; import org.apache.syncope.client.console.wicket.markup.html.form.FieldPanel; import org.apache.syncope.common.lib.to.WorkflowFormPropertyTO; import org.apache.syncope.common.lib.to.WorkflowFormTO; import org.apache.syncope.common.lib.types.StandardEntitlement; import org.apache.wicket.PageReference; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.authroles.authorization.strategies.role.metadata.MetaDataRoleAuthorizationStrategy; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.ListView; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.LoadableDetachableModel; import org.apache.wicket.model.Model; import org.apache.wicket.model.PropertyModel; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public abstract class Approval extends Panel { private static final long serialVersionUID = -8847854414429745216L; protected static final Logger LOG = LoggerFactory.getLogger(Approval.class); public Approval(final PageReference pageRef, final WorkflowFormTO formTO) { super(MultilevelPanel.FIRST_LEVEL_ID); IModel<List<WorkflowFormPropertyTO>> formProps = new LoadableDetachableModel<List<WorkflowFormPropertyTO>>() { private static final long serialVersionUID = 3169142472626817508L; @Override protected List<WorkflowFormPropertyTO> load() { return formTO.getProperties(); } }; final ListView<WorkflowFormPropertyTO> propView = new ListView<WorkflowFormPropertyTO>("propView", formProps) { private static final long serialVersionUID = 9101744072914090143L; @Override @SuppressWarnings({ "unchecked", "rawtypes" }) protected void populateItem(final ListItem<WorkflowFormPropertyTO> item) { final WorkflowFormPropertyTO prop = item.getModelObject(); String label = StringUtils.isBlank(prop.getName()) ? prop.getId() : prop.getName(); FieldPanel field; switch (prop.getType()) { case Boolean: field = new AjaxDropDownChoicePanel("value", label, new PropertyModel<String>(prop, "value") { private static final long serialVersionUID = -3743432456095828573L; @Override public String getObject() { return StringUtils.isBlank(prop.getValue()) ? null : prop.getValue().equals("true") ? "Yes" : "No"; } @Override public void setObject(final String object) { prop.setValue(String.valueOf(object.equalsIgnoreCase("yes"))); } }, false).setChoices(Arrays.asList(new String[] { "Yes", "No" })); break; case Date: final FastDateFormat formatter = FastDateFormat.getInstance(prop.getDatePattern()); field = new AjaxDateTimeFieldPanel("value", label, new PropertyModel<Date>(prop, "value") { private static final long serialVersionUID = -3743432456095828573L; @Override public Date getObject() { try { if (StringUtils.isBlank(prop.getValue())) { return null; } else { return formatter.parse(prop.getValue()); } } catch (ParseException e) { LOG.error("Unparsable date: {}", prop.getValue(), e); return null; } } @Override public void setObject(final Date object) { prop.setValue(formatter.format(object)); } }, prop.getDatePattern()); break; case Enum: MapChoiceRenderer<String, String> enumCR = new MapChoiceRenderer<>(prop.getEnumValues()); field = new AjaxDropDownChoicePanel("value", label, new PropertyModel<String>(prop, "value"), false).setChoiceRenderer(enumCR).setChoices(new Model<ArrayList<String>>() { private static final long serialVersionUID = -858521070366432018L; @Override public ArrayList<String> getObject() { return new ArrayList<>(prop.getEnumValues().keySet()); } }); break; case Long: field = new AjaxSpinnerFieldPanel.Builder<Long>().build("value", label, Long.class, new PropertyModel<Long>(prop, "value") { private static final long serialVersionUID = -7688359318035249200L; @Override public Long getObject() { return StringUtils.isBlank(prop.getValue()) ? null : NumberUtils.toLong(prop.getValue()); } @Override public void setObject(final Long object) { prop.setValue(String.valueOf(object)); } }); break; case String: default: field = new AjaxTextFieldPanel("value", label, new PropertyModel<>(prop, "value"), false); break; } field.setReadOnly(!prop.isWritable()); if (prop.isRequired()) { field.addRequiredLabel(); } item.add(field); } }; final AjaxLink<String> userDetails = new AjaxLink<String>("userDetails") { private static final long serialVersionUID = -4804368561204623354L; @Override public void onClick(final AjaxRequestTarget target) { viewDetails(formTO, target); } }; MetaDataRoleAuthorizationStrategy.authorize(userDetails, ENABLE, StandardEntitlement.USER_READ); final boolean enabled = formTO.getUserTO() != null; userDetails.setVisible(enabled).setEnabled(enabled); add(propView); add(userDetails); } protected abstract void viewDetails(final WorkflowFormTO formTO, final AjaxRequestTarget target); }