package org.apache.velocity.runtime.resource;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 java.io.StringWriter;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.exception.VelocityException;
/**
* This class represent a general text resource that may have been
* retrieved from any number of possible sources.
*
* Also of interest is Velocity's {@link org.apache.velocity.Template}
* <code>Resource</code>.
*
* @author <a href="mailto:[email protected]">Jason van Zyl</a>
* @author <a href="mailto:[email protected]">Geir Magnusson Jr.</a>
* @version $Id: ContentResource.java 687177 2008-08-19 22:00:32Z nbubna $
*/
public class ContentResource extends Resource
{
/** Default empty constructor */
public ContentResource()
{
super();
setType(ResourceManager.RESOURCE_CONTENT);
}
/**
* Pull in static content and store it.
* @return True if everything went ok.
*
* @exception ResourceNotFoundException Resource could not be
* found.
*/
public boolean process()
throws ResourceNotFoundException
{
BufferedReader reader = null;
try
{
StringWriter sw = new StringWriter();
reader = new BufferedReader(
new InputStreamReader(resourceLoader.getResourceStream(name),
encoding));
char buf[] = new char[1024];
int len = 0;
while ( ( len = reader.read( buf, 0, 1024 )) != -1)
sw.write( buf, 0, len );
setData(sw.toString());
return true;
}
catch ( ResourceNotFoundException e )
{
// Tell the ContentManager to continue to look through any
// remaining configured ResourceLoaders.
throw e;
}
catch ( Exception e )
{
String msg = "Cannot process content resource";
rsvc.getLog().error(msg, e);
throw new VelocityException(msg, e);
}
finally
{
if (reader != null)
{
try
{
reader.close();
}
catch (Exception ignored)
{
}
}
}
}
}
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