/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2001 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.schema2beansdev;

import java.util.*;
import java.io.*;

public abstract class GeneralParser  {
    // filename of the schema
    protected File 		filename;
    // If schemaIn is set, then it overrides filename as where to get the
    // XML Schema
    protected InputStream         schemaIn = null;

    //	The file stream that we are reading from
    protected InputStreamReader 	reader = null;

    // If we only have the InputStream, then the inputURI will help
    // us find relative URI's if anything gets included or imported.
    protected String inputURI = null;

    protected void startupReader() throws java.io.IOException {
	    if (schemaIn == null)
            reader = new FileReader(filename);
	    else
            reader = new InputStreamReader(schemaIn);
    }

    protected void shutdownReader() throws java.io.IOException {
        reader.close();
    }

    public void setInputURI(String uri) {
        inputURI = uri;
    }

    protected String getReaderURI() {
        if (inputURI != null)
            return inputURI;
        if (filename != null)
            return filename.toURI().toString();
        return schemaIn.toString();
    }
}