mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-10-08 14:51:49 +00:00
84841e063f
125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
115 lines
2.9 KiB
Java
115 lines
2.9 KiB
Java
/*
|
|
* #%L
|
|
* Alfresco Repository
|
|
* %%
|
|
* Copyright (C) 2005 - 2016 Alfresco Software Limited
|
|
* %%
|
|
* This file is part of the Alfresco software.
|
|
* If the software was purchased under a paid Alfresco license, the terms of
|
|
* the paid license agreement will prevail. Otherwise, the software is
|
|
* provided under the following open source license terms:
|
|
*
|
|
* Alfresco is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Alfresco 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
|
|
* #L%
|
|
*/
|
|
package org.alfresco.opencmis;
|
|
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
|
|
public class RangeInputStream extends InputStream
|
|
{
|
|
|
|
private InputStream inputStream;
|
|
private long bytesRead;
|
|
private long length;
|
|
|
|
public RangeInputStream(InputStream inputStream, long offset, long length) throws IOException
|
|
{
|
|
super();
|
|
|
|
this.inputStream = inputStream;
|
|
this.length = length;
|
|
this.bytesRead = 0;
|
|
|
|
long l = this.inputStream.skip(offset);
|
|
if (l < offset)
|
|
{
|
|
this.inputStream.skip(offset);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int read() throws IOException
|
|
{
|
|
if (bytesRead < length)
|
|
{
|
|
bytesRead++;
|
|
return inputStream.read();
|
|
} else
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int read(byte[] b) throws IOException
|
|
{
|
|
return read(b, 0, b.length);
|
|
}
|
|
|
|
@Override
|
|
public int read(byte[] b, int off, int len) throws IOException
|
|
{
|
|
if(length - bytesRead == 0)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
if (len > length - bytesRead)
|
|
{
|
|
len = (int) (length - bytesRead);
|
|
}
|
|
int readed = inputStream.read(b, off, len);
|
|
bytesRead += readed;
|
|
return readed;
|
|
}
|
|
|
|
@Override
|
|
public int available() throws IOException
|
|
{
|
|
return (int) (length - bytesRead + 1);
|
|
}
|
|
|
|
@Override
|
|
public void close() throws IOException
|
|
{
|
|
inputStream.close();
|
|
}
|
|
|
|
@Override
|
|
public long skip(long n) throws IOException
|
|
{
|
|
if (bytesRead + n > length)
|
|
{
|
|
n = (length - n) > 0 ? (length - n) : length - bytesRead;
|
|
}
|
|
n = inputStream.skip(n);
|
|
bytesRead += n;
|
|
|
|
return n;
|
|
}
|
|
|
|
}
|