/*
* Copyright (c) 1998-2011 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 Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package javax.script;
import java.io.Reader;
import java.io.Writer;
import java.util.List;
/**
* Context information from an engine to the bindings.
*/
public interface ScriptContext {
public static int ENGINE_SCOPE = 100;
public static int GLOBAL_SCOPE = 200;
/**
* Associates a bindings with a scope.
*
* @param bindings the bindings to assign
* @param scope the scope code
*/
public void setBindings(Bindings bindings, int scope);
/**
* Returns the bindings associated with a scope.
*/
public Bindings getBindings(int scope);
/**
* Sets an attribute in a scope.
*/
public void setAttribute(String name, Object value, int scope);
/**
* Gets an attribute in a scope.
*/
public Object getAttribute(String name, int scope);
/**
* Gets an attribute in a scope.
*/
public Object removeAttribute(String name, int scope);
/**
* Gets an attribute in the lowest scope.
*/
public Object getAttribute(String name);
/**
* Gets an attribute in the lowest scope.
*/
public int getAttributesScope(String name);
/**
* Returns a reader for input.
*/
public Reader getReader();
/**
* Sets a reader for input.
*/
public void setReader(Reader reader);
/**
* Returns the script's writer.
*/
public Writer getWriter();
/**
* Sets the script's writer.
*/
public void setWriter(Writer writer);
/**
* Returns the script's error writer.
*/
public Writer getErrorWriter();
/**
* Returns the script's error writer.
*/
public void setErrorWriter(Writer writer);
/**
* Returns the available scopes.
*/
public List<Integer> getScopes();
}