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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.bugzilla.core;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylar.core.MylarStatusHandler;
import org.eclipse.mylar.tasks.core.AbstractRepositoryTask;
import org.eclipse.mylar.tasks.core.IAttachmentHandler;
import org.eclipse.mylar.tasks.core.IMylarStatusConstants;
import org.eclipse.mylar.tasks.core.MylarStatus;
import org.eclipse.mylar.tasks.core.RepositoryAttachment;
import org.eclipse.mylar.tasks.core.RepositoryTaskAttribute;
import org.eclipse.mylar.tasks.core.TaskRepository;
/**
* @author Mik Kersten
* @author Rob Elves
*/
public class BugzillaAttachmentHandler implements IAttachmentHandler {
private BugzillaRepositoryConnector connector;
public BugzillaAttachmentHandler(BugzillaRepositoryConnector connector) {
this.connector = connector;
}
public byte[] getAttachmentData(TaskRepository repository, RepositoryAttachment attachment) throws CoreException {
try {
BugzillaClient client = connector.getClientManager().getClient(repository);
byte[] data = client.getAttachmentData(attachment.getId());
return data;
} catch (IOException e) {
throw new CoreException(new MylarStatus(Status.ERROR, BugzillaCorePlugin.PLUGIN_ID,
IMylarStatusConstants.IO_ERROR, repository.getUrl(), e));
}
}
public void downloadAttachment(TaskRepository repository, RepositoryAttachment attachment, File file)
throws CoreException {
if (repository == null || attachment == null || file == null) {
MylarStatusHandler.log("Unable to download. Null argument.", this);
throw new CoreException(new Status(IStatus.ERROR, BugzillaCorePlugin.PLUGIN_ID, IStatus.ERROR,
"Unable to download attachment", null));
}
String filename = attachment.getAttributeValue(RepositoryTaskAttribute.ATTACHMENT_FILENAME);
if (filename == null) {
throw new CoreException(new Status(IStatus.ERROR, BugzillaCorePlugin.PLUGIN_ID, IStatus.ERROR,
"Attachment download from " + repository.getUrl() + " failed, missing attachment filename.", null));
}
try {
BugzillaClient client = connector.getClientManager().getClient(repository);
byte[] data = client.getAttachmentData("" + attachment.getId());
writeData(file, data);
} catch (Exception e) {
throw new CoreException(new Status(IStatus.ERROR, BugzillaCorePlugin.PLUGIN_ID, 0,
"Attachment download from " + repository.getUrl() + " failed.", e));
}
}
private void writeData(File file, byte[] data) throws IOException {
OutputStream out = new FileOutputStream(file);
try {
out.write(data);
} finally {
out.close();
}
}
public void uploadAttachment(TaskRepository repository, AbstractRepositoryTask task, String comment,
String description, File file, String contentType, boolean isPatch) throws CoreException {
try {
String bugId = task.getTaskId();
BugzillaClient client = connector.getClientManager().getClient(repository);
client.postAttachment(bugId, comment, description, file, contentType, isPatch);
} catch (IOException e) {
throw new CoreException(new MylarStatus(Status.ERROR, BugzillaCorePlugin.PLUGIN_ID,
IMylarStatusConstants.IO_ERROR, repository.getUrl(), e));
}
}
public boolean canDownloadAttachment(TaskRepository repository, AbstractRepositoryTask task) {
return true;
}
public boolean canUploadAttachment(TaskRepository repository, AbstractRepositoryTask task) {
return true;
}
public boolean canDeprecate(TaskRepository repository, RepositoryAttachment attachment) {
return false;
}
public void updateAttachment(TaskRepository repository, RepositoryAttachment attachment) throws CoreException {
// implement
}
}
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