taverna-renderers-impl/src/main/java/org/apache/taverna/renderers/impl/HexBinaryRenderer.java

/*
 * 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.taverna.renderers.impl;

import static org.apache.taverna.renderers.RendererUtils.getInputStream;
import static org.apache.taverna.renderers.impl.RendererConstants.SEE_LOG_MSG;

import java.io.InputStream;
import java.nio.file.Path;

import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JTextArea;

import org.apache.taverna.renderers.RendererException;

//import org.fife.ui.hex.swing.HexEditor;

/**
 * Renderer for binary data. Uses HexEditor from
 * http://www.fifesoft.com/hexeditor/.
 * 
 * @author Alex Nenadic
 * @author David Withers
 */
public class HexBinaryRenderer extends AbstractRenderer {
	private static final String RENDER_FAILED_MSG = "Failed to create binary hexadecimal renderer "
			+ SEE_LOG_MSG;

	@Override
	public boolean canHandle(String mimeType) {
		return false;
		/*
		 * can handle any data but return false here as we do not want this to
		 * be default renderer
		 */
	}

	@Override
	protected String getSizeQueryTitle() {
		return "Render binary data (in hexadecimal viewer)?";
	}

	@Override
	public JComponent getRendererComponent(Path path) throws RendererException {
		try (InputStream inputStream = getInputStream(path)) {
//			HexEditor editor = new HexEditor();
//			editor.open(inputStream);
//			return editor;
			// TODO: Include org.fife.HexEditor from 
			// https://github.com/taverna/taverna-svn/tree/master/taverna/utils/org.fife.ui.hexeditor
			
			return new JPanel();
		} catch (Exception e) {
			logger.error("unrenderable: failed to create binhex renderer", e);
			return new JTextArea(RENDER_FAILED_MSG + e.getMessage());
		}
	}

	@Override
	public String getType() {
		return "Binary (HexDec)";
	}
}