BufferAttachment.java
/***************************************************************************
* Copyright (C) 2003-2007 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
***************************************************************************/
package org.exoplatform.forum.service;
import org.exoplatform.container.PortalContainer;
import org.exoplatform.services.jcr.RepositoryService;
import javax.jcr.Node;
import javax.jcr.Session;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Objects;
public class BufferAttachment extends ForumAttachment {
private byte[] bytes;
public InputStream getInputStream() throws Exception {
if (bytes != null)
return new ByteArrayInputStream(bytes);
Node attachment;
Session session = getSesison();
try {
attachment = (Node) session.getItem(getPathNode());
return attachment.getNode(ForumNodeTypes.JCR_CONTENT).getProperty(ForumNodeTypes.JCR_DATA).getStream();
} catch (Exception e) {
return null;
} finally {
session.logout();
}
}
private Session getSesison() throws Exception {
RepositoryService repoService = (RepositoryService) PortalContainer.getInstance().getComponentInstanceOfType(RepositoryService.class);
return repoService.getCurrentRepository().getSystemSession(getWorkspace());
}
public void setInputStream(InputStream input) throws Exception {
if (input != null) {
bytes = new byte[input.available()];
input.read(bytes);
} else
bytes = null;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
BufferAttachment that = (BufferAttachment) o;
return Arrays.equals(bytes, that.bytes);
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), bytes);
}
}