/* Copyright (c) 2002-2011 by XMLVM.org
*
* Project Info: http://www.xmlvm.org
*
* This program 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
package org.xmlvm.proc.in;
import org.xmlvm.Log;
import org.xmlvm.main.Arguments;
import org.xmlvm.proc.BundlePhase1;
import org.xmlvm.proc.BundlePhase2;
import org.xmlvm.proc.XmlvmProcessImpl;
import org.xmlvm.proc.in.file.ClassFile;
import org.xmlvm.proc.in.file.ExeFile;
import org.xmlvm.proc.in.file.XFile;
import org.xmlvm.proc.in.file.XmlvmFile;
import org.xmlvm.proc.out.OutputFile;
/**
* An input process is created of every input file or resource.
*
* @param <T>
* the concrete type of the file that this process is reading
*/
public abstract class InputProcess<T extends XFile> extends XmlvmProcessImpl
{
public static class EmptyInputProcess extends InputProcess<ClassFile>
{
/**
* The signature of this input process. If a target requires this string
* as input, means that actually no input is required
*/
public final static String EMPTY_INPUT_IN_ARGUMENT= "<<EMPTY_INPUT>>";
public EmptyInputProcess()
{
super(null, null);
}
}
/**
* An implementation of {@link InputProcess} that reads class files.
*/
public static class ClassInputProcess extends InputProcess<ClassFile>
{
public ClassInputProcess(Arguments arguments, ClassFile input)
{
super(arguments, input);
}
}
/**
* An implementation of {@link InputProcess} that reads exe files.
*/
public static class ExeInputProcess extends InputProcess<ExeFile>
{
public ExeInputProcess(Arguments arguments, ExeFile input)
{
super(arguments, input);
}
}
/**
* An implementation of {@link InputProcess} that reads XMLVM files.
*/
public static class XmlvmInputProcess extends InputProcess<XmlvmFile>
{
public XmlvmInputProcess(Arguments arguments, XmlvmFile input)
{
super(arguments, input);
}
}
protected T input;
public InputProcess(Arguments arguments, T input)
{
super(arguments);
this.input= input;
//Log.debug("Instantiated: " + this.getClass().getName() + " for \"" + input + "\"");
}
/**
* Returns the input file of this process.
*/
public T getInputFile()
{
return input;
}
public boolean isActive()
{
return true;
}
/**
* If the input is a valid file, this process add the file to the given
* resources.
*/
public boolean processPhase1(BundlePhase1 bundle)
{
if (input == null || input.getFile() == null)
{
Log.warn("InputProcess.getOutputFiles(): Input File is null.");
return false;
}
if (!input.getFile().exists() || !input.getFile().isFile())
{
Log.warn("InputProcess.getOutputFiles(): Input File " + input.getFile() + "does not exist or is not a file.");
return false;
}
OutputFile outputFile= new OutputFile(input.getFile());
outputFile.setOrigin(input.getFile().getAbsolutePath());
outputFile.setLocation(arguments.option_out());
outputFile.setFileName(input.getFile().getName());
bundle.addOutputFile(outputFile);
return true;
}
/**
* InputProcesses don't do anything in the second phase.
*/
public boolean processPhase2(BundlePhase2 bundle)
{
return true;
}
}