ResourcePropertiesBinder.java
- /*
- * #%L
- * *********************************************************************************************************************
- *
- * NorthernWind - lightweight CMS
- * http://northernwind.tidalwave.it - git clone git@bitbucket.org:tidalwave/northernwind-rca-src.git
- * %%
- * Copyright (C) 2013 - 2021 Tidalwave s.a.s. (http://tidalwave.it)
- * %%
- * *********************************************************************************************************************
- *
- * 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.
- *
- * *********************************************************************************************************************
- *
- *
- * *********************************************************************************************************************
- * #L%
- */
- package it.tidalwave.northernwind.rca.ui.contenteditor.impl;
- import javax.annotation.Nonnull;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import org.springframework.core.io.ClassPathResource;
- import it.tidalwave.util.Key;
- import it.tidalwave.role.ui.BoundProperty;
- import it.tidalwave.dci.annotation.DciRole;
- import it.tidalwave.northernwind.core.model.ResourceProperties;
- import it.tidalwave.northernwind.rca.embeddedserver.EmbeddedServer;
- import it.tidalwave.northernwind.rca.ui.contenteditor.spi.PropertyBinder;
- import lombok.RequiredArgsConstructor;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @DciRole(datumType = ResourceProperties.class) @RequiredArgsConstructor
- public class ResourcePropertiesBinder implements PropertyBinder
- {
- private final static String EDITOR_TEMPLATE =
- "it/tidalwave/northernwind/rca/ui/contenteditor/spi/EditorTemplate.xhtml";
- @Nonnull
- private final ResourceProperties properties;
- /* visible for testing */ final static String EDITOR_PROLOG;
- /* visible for testing */ final static String EDITOR_EPILOG;
- /*******************************************************************************************************************
- *
- *
- *
- ******************************************************************************************************************/
- static
- {
- try (final BufferedReader r = new BufferedReader(new InputStreamReader(
- new ClassPathResource(EDITOR_TEMPLATE).getInputStream(), "UTF-8")))
- {
- final StringBuilder prologBuilder = new StringBuilder();
- final StringBuilder epilogBuilder = new StringBuilder();
- boolean prolog = true;
- for (String line = r.readLine(); line != null; line = r.readLine())
- {
- if (line.trim().equals("<!-- split here -->"))
- {
- prolog = false;
- continue;
- }
- (prolog ? prologBuilder : epilogBuilder).append(line).append("\n");
- }
- EDITOR_PROLOG = prologBuilder.toString();
- EDITOR_EPILOG = epilogBuilder.toString();
- }
- catch (IOException e)
- {
- throw new ExceptionInInitializerError(e);
- }
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override
- public <T> void bind (final @Nonnull Key<T> propertyName,
- final @Nonnull BoundProperty<T> boundProperty,
- final @Nonnull UpdateCallback callback)
- {
- properties.getProperty(propertyName).ifPresent(boundProperty::set);
- boundProperty.addPropertyChangeListener(
- event -> callback.notify(properties.withProperty(propertyName, boundProperty.get())));
- }
- /*******************************************************************************************************************
- *
- * {@inheritDoc}
- *
- ******************************************************************************************************************/
- @Override @Nonnull
- public EmbeddedServer.Document createBoundDocument (final @Nonnull Key<String> propertyName,
- final @Nonnull UpdateCallback callback)
- {
- final String text = properties.getProperty(propertyName).orElse("");
- final HtmlDocument originalDocument = HtmlDocument.createFromText(text);
- final HtmlDocument editableDocument = originalDocument.withProlog(EDITOR_PROLOG)
- .withEpilog(EDITOR_EPILOG);
- // FIXME: mime type - XHTML?
- return new EmbeddedServer.Document().withMimeType("text/html")
- .withContent(editableDocument.asString())
- .withUpdateListener(
- text1 -> callback.notify(properties.withProperty(propertyName,
- originalDocument.withBody(text1).asString())));
- }
- }