/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.relaxng;
import com.caucho.relaxng.pattern.GrammarPattern;
import com.caucho.relaxng.program.Item;
import com.caucho.util.L10N;
import com.caucho.util.LruCache;
/**
* JARV Schema implementation
*/
public class SchemaImpl implements Schema {
protected static final L10N L = new L10N(SchemaImpl.class);
private String _filename;
private LruCache<Object,Item> _programCache
= new LruCache<Object,Item>(1024);
private Item _startItem;
public SchemaImpl(GrammarPattern grammar)
throws RelaxException
{
_startItem = grammar.getStart().createItem(grammar);
if (_startItem == null)
throw new RelaxException(L.l("Expected a start item."));
}
/**
* Returns the program.
*/
public Item getStartItem()
{
return _startItem;
}
public LruCache<Object,Item> getProgramCache()
{
return _programCache;
}
/**
* Sets the schema filename.
*/
public void setFilename(String filename)
{
_filename = filename;
}
/**
* Creates a verifier from the schema.
*/
public Verifier newVerifier()
{
return new VerifierImpl(this);
}
public String toString()
{
if (_filename != null)
return "SchemaImpl[" + _filename + "]";
else
return "SchemaImpl[]";
}
}