/*
|
* JBoss, Home of Professional Open Source
|
* Copyright 2005, JBoss Inc., and individual contributors as indicated
|
* by the @authors tag. See the copyright.txt 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 GNU Lesser General Public License as
|
* published by the Free Software Foundation; either version 2.1 of
|
* the License, or (at your option) any later version.
|
*
|
* 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 GNU
|
* Lesser General Public License for more details.
|
*
|
* You should have received a copy of the GNU Lesser General 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.jbpm.pvm.internal.stream;
|
|
import java.io.File;
|
import java.io.FileInputStream;
|
import java.io.InputStream;
|
import java.net.MalformedURLException;
|
|
import org.jbpm.api.JbpmException;
|
|
/**
|
* @author Tom Baeyens
|
*/
|
public class FileStreamInput extends StreamInput {
|
|
protected File file;
|
|
/** @throws JbpmException if file is null */
|
public FileStreamInput(File file) {
|
if (file==null) {
|
throw new JbpmException("file is null");
|
}
|
|
try {
|
this.name = file.toURL().toString();
|
} catch (MalformedURLException e) {
|
this.name = file.toString();
|
}
|
|
this.file = file;
|
}
|
|
public InputStream openStream() {
|
InputStream stream = null;
|
|
try {
|
if (!file.exists()) {
|
throw new JbpmException("file "+file+" doesn't exist");
|
}
|
if (file.isDirectory()) {
|
throw new JbpmException("file "+file+" is a directory");
|
}
|
stream = new FileInputStream(file);
|
|
} catch (Exception e) {
|
throw new JbpmException("couldn't access file "+file+": "+e.getMessage(), e);
|
}
|
|
return stream;
|
}
|
|
}
|