org.netbeans.modules.mylyn.util.GetAttachmentCommand Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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*/
package org.netbeans.modules.mylyn.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.core.data.AbstractTaskAttachmentHandler;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
/**
*
* @author Tomas Stupka
*/
public class GetAttachmentCommand extends BugtrackingCommand {
private final TaskAttribute ta;
private final TaskRepository taskRepository;
private final AbstractRepositoryConnector repositoryConnector;
private final OutputStream os;
private String stringValue;
private final ITask task;
public GetAttachmentCommand(AbstractRepositoryConnector repositoryConnector,
TaskRepository taskRepository,
ITask task,
TaskAttribute ta,
OutputStream os) {
this.ta = ta;
this.task = task;
this.taskRepository = taskRepository;
this.repositoryConnector = repositoryConnector;
this.os = os;
}
@Override
public void execute() throws CoreException, IOException, MalformedURLException {
Logger log = Logger.getLogger(this.getClass().getName());
if(log.isLoggable(Level.FINE)) {
log.log(Level.FINE, "executing GetTaskDataCommand for attachment id: {0}", ta.getValue()); // NOI18N
}
AbstractTaskAttachmentHandler taskAttachmentHandler = repositoryConnector.getTaskAttachmentHandler();
if (!taskAttachmentHandler.canGetContent(taskRepository, task)) {
throw new IOException("Cannot get content for attachment with id: " + ta.getValue());
}
InputStream is = taskAttachmentHandler.getContent(taskRepository, task, ta, new NullProgressMonitor());
try {
byte [] buffer = new byte[4096];
int n;
while ((n = is.read(buffer)) != -1) {
os.write(buffer, 0, n);
}
} finally {
is.close();
}
}
@Override
public String toString() {
if (stringValue == null) {
StringBuilder sb = new StringBuilder();
sb.append("GetAttachmentCommand [repository="); // NOI18N
sb.append(taskRepository.getUrl());
sb.append(",attachmentID="); // NOI18N
sb.append(ta.getValue());
sb.append("]"); // NOI18N
stringValue = sb.toString();
}
return stringValue;
}
}