/*
* 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.isis.viewer.wicket.ui.components.scalars.isisapplib;
import java.nio.charset.Charset;
import java.util.List;
import com.google.common.base.Charsets;
import org.apache.wicket.markup.html.form.upload.FileUpload;
import org.apache.wicket.request.resource.CharSequenceResource;
import org.apache.wicket.request.resource.IResource;
import org.apache.isis.applib.value.Clob;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
/**
* Panel for rendering scalars of type {@link Clob Isis' applib.Clob}.
*
* <p>
* TODO: for now, this only handles CLOBs encoded as UTF-8. One option might be to 'guess' the character encoding, eg akin to cpdetector?
* </p>
*/
public class IsisClobPanel extends IsisBlobOrClobPanelAbstract<Clob> {
private static final long serialVersionUID = 1L;
private static final Charset CHARSET = Charsets.UTF_8;
public IsisClobPanel(final String id, final ScalarModel model) {
super(id, model);
}
protected Clob getBlobOrClobFrom(final List<FileUpload> fileUploads) {
final FileUpload fileUpload = fileUploads.get(0);
final String contentType = fileUpload.getContentType();
final String clientFileName = fileUpload.getClientFileName();
final String str = new String(fileUpload.getBytes(), CHARSET);
final Clob blob = new Clob(clientFileName, contentType, str);
return blob;
}
protected IResource newResource(final Clob clob) {
return new CharSequenceResource(clob.getMimeType().getBaseType(), clob.getChars(), clob.getName());
}
}