package org.apache.velocity.runtime.directive;
/*
* Copyright 2000-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.velocity.context.InternalContextAdapter;
import org.apache.velocity.runtime.RuntimeConstants;
import org.apache.velocity.runtime.resource.Resource;
/**
* Base class for directives which do input operations
* (e.g. <code>#include()</code>, <code>#parse()</code>, etc.).
*
* @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
* @since 1.4
*/
public abstract class InputBase extends Directive
{
/**
* Decides the encoding used during input processing of this
* directive.
*
* Get the resource, and assume that we use the encoding of the
* current template the 'current resource' can be
* <code>null</code> if we are processing a stream....
*
* @param context The context to derive the default input encoding
* from.
* @return The encoding to use when processing this directive.
*/
protected String getInputEncoding(InternalContextAdapter context)
{
Resource current = context.getCurrentResource();
if (current != null)
{
return current.getEncoding();
}
else
{
return (String) rsvc.getProperty(RuntimeConstants.INPUT_ENCODING);
}
}
}