org.raml.v2.api.loader.DefaultResourceLoader Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2013 (c) MuleSoft, Inc.
 *
 * 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.
 */
package org.raml.v2.api.loader;

import javax.annotation.Nullable;
import java.io.InputStream;

public class DefaultResourceLoader implements ResourceLoaderExtended
{

    private ResourceLoader resourceLoader;

    public DefaultResourceLoader()
    {
        resourceLoader = new CompositeResourceLoader(
                new UrlResourceLoader(),
                new RamlUrlResourceLoader(),
                new ClassPathResourceLoader(),
                new FileResourceLoader("."));
    }

    @Override
    public InputStream fetchResource(String resourceName, ResourceUriCallback callback)
    {
        if (resourceLoader instanceof ResourceLoaderExtended)
        {
            return ((ResourceLoaderExtended) resourceLoader).fetchResource(resourceName, callback);
        }
        else
        {
            return resourceLoader.fetchResource(resourceName);
        }
    }

    @Nullable
    @Override
    public InputStream fetchResource(String resourceName)
    {
        return fetchResource(resourceName, null);
    }
}