/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.richfaces.resource;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Map;

import javax.faces.application.Resource;
import javax.faces.context.FacesContext;

import org.richfaces.resource.mapping.ResourcePath;

/**
 * <p>
 * Implementation of {@link Resource} which serves resources from absolute path.
 * </p>
 *
 * <p>
 * Thus it does provide only {@link #getRequestPath()} method, all other methods throws {@link UnsupportedOperationException}.
 * </p>
 *
 * @author <a href="http://community.jboss.org/people/lfryc">Lukas Fryc</a>
 */
public class URLResource extends Resource {

    private ResourcePath path;

    public URLResource(ResourcePath resourcePath) {
        this.path = resourcePath;
    }

    public URLResource(URL url) {
        this.path = new ResourcePath(url);
    }

    @Override
    public String getRequestPath() {
        return path.toExternalForm();
    }

    @Override
    public URL getURL() {
        throw new UnsupportedOperationException();
    }

    @Override
    public InputStream getInputStream() throws IOException {
        throw new UnsupportedOperationException();
    }

    @Override
    public Map<String, String> getResponseHeaders() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean userAgentNeedsUpdate(FacesContext context) {
        throw new UnsupportedOperationException();
    }

    @Override
    public String getLibraryName() {
        return "rfResource";
    }

    @Override
    public String getResourceName() {
        return path.toExternalForm();
    }
}