Java tutorial
/* * Copyright (c) 2010-2013 Evolveum * * Licensed 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 com.evolveum.midpoint.web.page.admin.resources; import com.evolveum.midpoint.model.api.ModelExecuteOptions; import com.evolveum.midpoint.prism.PrismContext; import com.evolveum.midpoint.prism.PrismObject; import com.evolveum.midpoint.prism.PrismObjectDefinition; import com.evolveum.midpoint.prism.PrismReference; import com.evolveum.midpoint.prism.PrismReferenceValue; import com.evolveum.midpoint.prism.delta.ObjectDelta; import com.evolveum.midpoint.prism.parser.QueryConvertor; import com.evolveum.midpoint.prism.query.ObjectFilter; import com.evolveum.midpoint.prism.query.ObjectQuery; import com.evolveum.midpoint.prism.query.QueryJaxbConvertor; import com.evolveum.midpoint.prism.schema.SchemaRegistry; import com.evolveum.midpoint.schema.result.OperationResult; import com.evolveum.midpoint.security.api.AuthorizationConstants; import com.evolveum.midpoint.task.api.Task; import com.evolveum.midpoint.util.Holder; import com.evolveum.midpoint.util.exception.*; import com.evolveum.midpoint.util.logging.LoggingUtils; import com.evolveum.midpoint.web.application.AuthorizationAction; import com.evolveum.midpoint.web.application.PageDescriptor; import com.evolveum.midpoint.web.component.AjaxButton; import com.evolveum.midpoint.web.component.AjaxSubmitButton; import com.evolveum.midpoint.web.component.util.LoadableModel; import com.evolveum.midpoint.web.component.AceEditor; import com.evolveum.midpoint.web.page.admin.dto.ObjectViewDto; import com.evolveum.midpoint.web.util.OnePageParameterEncoder; import com.evolveum.midpoint.web.util.WebMiscUtil; import com.evolveum.midpoint.xml.ns._public.common.common_3.ConnectorType; import com.evolveum.midpoint.xml.ns._public.common.common_3.ResourceType; import org.apache.commons.lang.StringUtils; import org.apache.wicket.RestartResponseException; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.form.AjaxCheckBox; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.model.IModel; import org.apache.wicket.model.PropertyModel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.util.string.StringValue; import java.util.List; /** * @author lazyman */ @PageDescriptor(url = "/admin/resource/edit", encoder = OnePageParameterEncoder.class, action = { @AuthorizationAction(actionUri = PageAdminResources.AUTH_RESOURCE_ALL, label = PageAdminResources.AUTH_RESOURCE_ALL_LABEL, description = PageAdminResources.AUTH_RESOURCE_ALL_DESCRIPTION), @AuthorizationAction(actionUri = AuthorizationConstants.NS_AUTHORIZATION + "#resourceEdit", label = "PageResourceEdit.auth.resourceEdit.label", description = "PageResourceEdit.auth.resourceEdit.description") }) public class PageResourceEdit extends PageAdminResources { private static final String DOT_CLASS = PageResourceEdit.class.getName() + "."; private static final String OPERATION_SAVE_RESOURCE = DOT_CLASS + "saveResource"; private static final String ID_MAIN_FORM = "mainForm"; private static final String ID_EDIT = "edit"; private static final String ID_ACE_EDITOR = "aceEditor"; private static final String ID_SAVE_BUTTON = "saveButton"; private static final String ID_BACK_BUTTON = "backButton"; private IModel<ObjectViewDto> model; public PageResourceEdit() { model = new LoadableModel<ObjectViewDto>(false) { @Override protected ObjectViewDto load() { return loadResource(); } }; initLayout(); } @Override protected IModel<String> createPageTitleModel() { return new LoadableModel<String>(false) { @Override protected String load() { if (!isEditing()) { return PageResourceEdit.super.createPageTitleModel().getObject(); } String name = model.getObject().getName(); return new StringResourceModel("page.title.editResource", PageResourceEdit.this, null, null, name) .getString(); } }; } private ObjectViewDto loadResource() { if (!isEditing()) { return new ObjectViewDto(); } ObjectViewDto dto; try { PrismObject<ResourceType> resource = loadResource(null); String xml = getPrismContext().serializeObjectToString(resource, PrismContext.LANG_XML); dto = new ObjectViewDto(resource.getOid(), WebMiscUtil.getName(resource), resource, xml); } catch (Exception ex) { LoggingUtils.logException(LOGGER, "Couldn't load resource", ex); throw new RestartResponseException(PageResources.class); } return dto; } private void initLayout() { Form mainForm = new Form(ID_MAIN_FORM); add(mainForm); final IModel<Boolean> editable = new LoadableModel<Boolean>(false) { @Override protected Boolean load() { return !isEditing(); } }; mainForm.add(new AjaxCheckBox(ID_EDIT, editable) { @Override protected void onUpdate(AjaxRequestTarget target) { editPerformed(target, editable.getObject()); } }); AceEditor editor = new AceEditor(ID_ACE_EDITOR, new PropertyModel<String>(model, ObjectViewDto.F_XML)); editor.setReadonly(new LoadableModel<Boolean>(false) { @Override protected Boolean load() { return isEditing(); } }); mainForm.add(editor); initButtons(mainForm); } private void initButtons(final Form mainForm) { AjaxSubmitButton saveButton = new AjaxSubmitButton(ID_SAVE_BUTTON, createStringResource("PageBase.button.save")) { @Override protected void onSubmit(AjaxRequestTarget target, Form<?> form) { savePerformed(target); } @Override protected void onError(AjaxRequestTarget target, Form<?> form) { target.add(getFeedbackPanel()); } }; mainForm.add(saveButton); AjaxButton backButton = new AjaxButton(ID_BACK_BUTTON, createStringResource("PageBase.button.back")) { @Override public void onClick(AjaxRequestTarget target) { setResponsePage(PageResources.class); } }; mainForm.add(backButton); } private boolean isEditing() { StringValue resourceOid = getPageParameters().get(OnePageParameterEncoder.PARAMETER); if (resourceOid == null || StringUtils.isEmpty(resourceOid.toString())) { return false; } return true; } private void editPerformed(AjaxRequestTarget target, boolean editable) { AceEditor editor = (AceEditor) get(createComponentPath(ID_MAIN_FORM, ID_ACE_EDITOR)); editor.setReadonly(!editable); editor.refreshReadonly(target); } private void savePerformed(AjaxRequestTarget target) { ObjectViewDto dto = model.getObject(); if (StringUtils.isEmpty(dto.getXml())) { error(getString("pageResourceEdit.message.emptyXml")); target.add(getFeedbackPanel()); return; } Task task = createSimpleTask(OPERATION_SAVE_RESOURCE); OperationResult result = task.getResult(); try { Holder<PrismObject<ResourceType>> objectHolder = new Holder<PrismObject<ResourceType>>(null); validateObject(dto.getXml(), objectHolder, false, result); if (result.isAcceptable()) { PrismObject<ResourceType> newResource = objectHolder.getValue(); updateConnectorRef(newResource, task, result); if (!isEditing()) { //we're adding new resource ObjectDelta delta = ObjectDelta.createAddDelta(newResource); getModelService().executeChanges(WebMiscUtil.createDeltaCollection(delta), null, task, result); } else { //we're editing existing resource PrismObject<ResourceType> oldResource = dto.getObject(); ObjectDelta<ResourceType> delta = oldResource.diff(newResource); getModelService().executeChanges(WebMiscUtil.createDeltaCollection(delta), ModelExecuteOptions.createRaw(), task, result); } result.computeStatus(); } } catch (Exception ex) { LoggingUtils.logException(LOGGER, "Couldn't save resource", ex); result.recordFatalError("Couldn't save resource.", ex); } if (WebMiscUtil.isSuccessOrHandledError(result)) { showResultInSession(result); setResponsePage(PageResources.class); } else { showResult(result); target.add(getFeedbackPanel()); } } /** * Method which attempts to resolve connector reference filter to actual connector (if necessary). * * @param resource {@link PrismObject} resource */ private void updateConnectorRef(PrismObject<ResourceType> resource, Task task, OperationResult result) throws SchemaException, ObjectNotFoundException, SecurityViolationException, CommunicationException, ConfigurationException { if (resource == null) { return; } PrismReference resourceRef = resource.findReference(ResourceType.F_CONNECTOR_REF); if (resourceRef == null || resourceRef.getValue() == null) { return; } PrismReferenceValue refValue = resourceRef.getValue(); if (StringUtils.isNotEmpty(refValue.getOid())) { return; } if (refValue.getFilter() == null) { return; } SchemaRegistry registry = getPrismContext().getSchemaRegistry(); PrismObjectDefinition objDef = registry.findObjectDefinitionByCompileTimeClass(ConnectorType.class); ObjectFilter filter = QueryConvertor.parseFilter(refValue.getFilter(), objDef); List<PrismObject<ConnectorType>> connectors = getModelService().searchObjects(ConnectorType.class, ObjectQuery.createObjectQuery(filter), null, task, result); if (connectors.size() != 1) { return; } PrismObject<ConnectorType> connector = connectors.get(0); refValue.setOid(connector.getOid()); refValue.setTargetType(ConnectorType.COMPLEX_TYPE); refValue.setFilter(null); } }