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/*
 * 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 jakarta.faces.application;

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

import jakarta.faces.context.FacesContext;
import org.apache.myfaces.core.api.shared.lang.Assert;

/**
 * @since 2.0
 */
public abstract class Resource extends ViewResource
{
    /**
     * This constant is used as the key in the component attribute map of a composite component to 
     * associate the component with its Resource instance.
     */
    public static final String COMPONENT_RESOURCE_KEY = "jakarta.faces.application.Resource.ComponentResource";

    private String _contentType;
    private String _libraryName;
    private String _resourceName;

    public String getContentType()
    {
        return _contentType;
    }
    
    public abstract InputStream getInputStream() throws IOException;

    public String getLibraryName()
    {
        return _libraryName;
    }
    
    public abstract String getRequestPath();

    public String getResourceName()
    {
        return _resourceName;
    }
    
    public abstract Map getResponseHeaders();
    
    public abstract URL getURL();

    public void setContentType(String contentType)
    {
        _contentType = contentType;
    }

    public void setLibraryName(String libraryName)
    {
        _libraryName = libraryName;
    }

    public void setResourceName(String resourceName)
    {
        Assert.notNull(resourceName);

        _resourceName = resourceName;
    }
    
    @Override
    public String toString()
    {
        return getRequestPath();
    }
    
    public abstract boolean userAgentNeedsUpdate(FacesContext context);
}




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