| /******************************************************************************* |
| * Copyright (c) 2004, 2009 Tasktop Technologies and others. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * https://www.eclipse.org/legal/epl-2.0 |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| * David Green - fix for 267960 |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.core.data; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.core.runtime.content.IContentTypeManager; |
| import org.eclipse.mylyn.internal.tasks.core.ITasksCoreConstants; |
| import org.eclipse.mylyn.tasks.core.data.AbstractTaskAttachmentSource; |
| |
| /** |
| * @author Steffen Pingel |
| * @author David Green |
| */ |
| public class FileTaskAttachmentSource extends AbstractTaskAttachmentSource { |
| /** |
| * mime type for text/plain |
| */ |
| private static final String TEXT_PLAIN = "text/plain"; //$NON-NLS-1$ |
| |
| /** |
| * mime type for application/xml |
| */ |
| private static final String APPLICATION_XML = "application/xml"; //$NON-NLS-1$ |
| |
| public static final String APPLICATION_OCTET_STREAM = "application/octet-stream"; //$NON-NLS-1$ |
| |
| private static Map<String, String> extensions2Types; |
| |
| static { |
| // see http://www.iana.org/assignments/media-types/ |
| extensions2Types = new HashMap<String, String>(); |
| extensions2Types.put("txt", TEXT_PLAIN); //$NON-NLS-1$ |
| extensions2Types.put("html", "text/html"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("htm", "text/html"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("xhtml", "application/xhtml+xml"); //$NON-NLS-1$//$NON-NLS-2$ |
| extensions2Types.put("jpe", "image/jpeg"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("jpg", "image/jpeg"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("jpeg", "image/jpeg"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("gif", "image/gif"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("png", "image/png"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("tif", "image/tiff"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("tiff", "image/tiff"); //$NON-NLS-1$ //$NON-NLS-2$ |
| extensions2Types.put("xml", APPLICATION_XML); //$NON-NLS-1$ |
| extensions2Types.put("zip", APPLICATION_OCTET_STREAM); //$NON-NLS-1$ |
| extensions2Types.put("tar", APPLICATION_OCTET_STREAM); //$NON-NLS-1$ |
| extensions2Types.put("gz", APPLICATION_OCTET_STREAM); //$NON-NLS-1$ |
| } |
| |
| public static String getContentTypeFromFilename(String fileName) { |
| int index = fileName.lastIndexOf("."); //$NON-NLS-1$ |
| if (index > 0 && index < fileName.length()) { |
| String ext = fileName.substring(index + 1); |
| String type = extensions2Types.get(ext.toLowerCase(Locale.ENGLISH)); |
| if (type != null) { |
| return type; |
| } |
| // bug 267960 attempt to detect the mime type from the content type |
| IContentTypeManager contentTypeManager = Platform.getContentTypeManager(); |
| // platform may not be available when running standalone |
| if (contentTypeManager != null) { |
| IContentType contentType = contentTypeManager.findContentTypeFor(fileName); |
| while (contentType != null) { |
| if (IContentTypeManager.CT_TEXT.equals(contentType.getId())) { |
| return TEXT_PLAIN; |
| } else if ("org.eclipse.core.runtime.xml".equals(contentType.getId())) { //$NON-NLS-1$ |
| return APPLICATION_XML; |
| } |
| contentType = contentType.getBaseType(); |
| } |
| } |
| } |
| |
| // fall back to a safe mime type |
| return APPLICATION_OCTET_STREAM; |
| } |
| |
| public static String[] getContentTypes() { |
| Set<String> types = new HashSet<String>(extensions2Types.values()); |
| String[] array = types.toArray(new String[0]); |
| Arrays.sort(array); |
| return array; |
| } |
| |
| private String contentType; |
| |
| private String description; |
| |
| private final File file; |
| |
| private String name; |
| |
| public FileTaskAttachmentSource(File file) { |
| this.file = file; |
| this.name = file.getName(); |
| this.contentType = getContentTypeFromFilename(name); |
| } |
| |
| @Override |
| public InputStream createInputStream(IProgressMonitor monitor) throws CoreException { |
| try { |
| return new FileInputStream(file); |
| } catch (FileNotFoundException e) { |
| throw new CoreException(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN, e.getMessage(), e)); |
| } |
| } |
| |
| @Override |
| public String getContentType() { |
| return contentType; |
| } |
| |
| @Override |
| public String getDescription() { |
| return description; |
| } |
| |
| @Override |
| public long getLength() { |
| return file.length(); |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public boolean isLocal() { |
| return true; |
| } |
| |
| public void setContentType(String contentType) { |
| this.contentType = contentType; |
| } |
| |
| public void setDescription(String description) { |
| this.description = description; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| } |