1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.syncope.client.ui.commons.markup.html.form.preview;
20
21 import java.util.Base64;
22 import org.apache.wicket.Component;
23 import org.apache.wicket.markup.html.panel.Panel;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26
27 public abstract class BinaryPreviewer extends Panel {
28
29 protected static final Logger LOG = LoggerFactory.getLogger(BinaryPreviewer.class);
30
31 private static final long serialVersionUID = -2482706463911903025L;
32
33 protected final String mimeType;
34
35 public BinaryPreviewer(final String mimeType) {
36 super("previewer");
37 this.mimeType = mimeType;
38 }
39
40 public Component preview(final String uploaded) {
41 return preview(Base64.getMimeDecoder().decode(uploaded));
42 }
43
44 public abstract Component preview(byte[] uploadedBytes);
45 }