org.apache.myfaces.renderkit.html.util.DefaultResourceProvider Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of tomahawk21 Show documentation

JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this version of the Tomahawk library.

The newest version!

/*
 * 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.
 */
package org.apache.myfaces.renderkit.html.util;

import javax.servlet.ServletContext;
import java.io.InputStream;
import java.io.IOException;
import java.net.URL;

/**
 * A class which provide the resource using the standard class.getResource lookup
 * stuff.
 *
 * @author imario (latest modification by $Author: skitching $)
 * @version $Revision: 673833 $ $Date: 2008-07-03 16:58:05 -0500 (Thu, 03 Jul 2008) $
 */
public class DefaultResourceProvider implements ResourceProvider
{
    private final Class clazz;

    public DefaultResourceProvider(Class clazz)
    {
        this.clazz = clazz;
    }

    protected URL getResource(String resource)
    {
        resource = "resource/" + resource;
        return clazz.getResource(resource);
    }

    public boolean exists(ServletContext context, String resource)
    {
        return getResource(resource) != null;
    }

    public long getLastModified(ServletContext context, String resource) throws IOException
    {
        return getResource(resource).openConnection().getLastModified();
    }

    public int getContentLength(ServletContext context, String resource) throws IOException
    {
        return getResource(resource).openConnection().getContentLength();
    }

    public InputStream getInputStream(ServletContext context, String resource) throws IOException
    {
        return getResource(resource).openConnection().getInputStream();
    }

    public String getEncoding(ServletContext context, String resource) throws IOException
    {
        return null; //Tomahawk-877, this has to be null for now to avoid encoding issues
    }
}