/*
* IronJacamar, a Java EE Connector Architecture implementation
* Copyright 2015, Red Hat Inc, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the Eclipse Public License 1.0 as
* published by the Free Software Foundation.
*
* This software 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 Eclipse
* Public License for more details.
*
* You should have received a copy of the Eclipse Public License
* along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.ironjacamar.embedded.dsl;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.jboss.shrinkwrap.descriptor.api.Descriptor;
import org.jboss.shrinkwrap.descriptor.api.DescriptorExportException;
/**
* An InputStream descriptor.
* <p/>
* Note, that this class will close the passed <code>InputStream</code> once one of the export methods
* have been called.
*
* @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
*/
public class InputStreamDescriptor implements Descriptor
{
private final String name;
private final InputStream is;
/**
* Create an InputStreamDescriptor
* @param name The descriptor name
* @param is The input stream
*/
public InputStreamDescriptor(final String name, final InputStream is)
{
if (name == null)
throw new IllegalArgumentException("Name is null");
if (is == null)
throw new IllegalArgumentException("InputStream is null");
this.name = name;
this.is = is;
}
/**
* {@inheritDoc}
*/
public String getDescriptorName()
{
return name;
}
/**
* {@inheritDoc}
*/
public String exportAsString() throws DescriptorExportException
{
try
{
StringBuilder sb = new StringBuilder();
int read = 0;
while ((read = is.read()) != -1)
{
sb = sb.append((char)read);
}
return sb.toString();
}
catch (IOException ioe)
{
throw new DescriptorExportException("Error during exportAsString: " + ioe.getMessage(), ioe);
}
finally
{
try
{
is.close();
}
catch (IOException ioe)
{
// Ignore
}
}
}
/**
* {@inheritDoc}
*/
public void exportTo(OutputStream output) throws DescriptorExportException, IllegalArgumentException
{
if (output == null)
throw new IllegalArgumentException("Output is null");
try
{
int read = 0;
while ((read = is.read()) != -1)
{
output.write(read);
}
output.flush();
}
catch (IOException ioe)
{
throw new DescriptorExportException("Error during exportTo: " + ioe.getMessage(), ioe);
}
finally
{
try
{
is.close();
}
catch (IOException ioe)
{
// Ignore
}
}
}
}