org.apache.uima.ruta.resource.RutaResourceLoader.java Source code

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Here is the source code for org.apache.uima.ruta.resource.RutaResourceLoader.java

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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 org.apache.uima.ruta.resource;

import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

/**
 * Resource loader for ruta.
 *
 * This resource loader first looks in the resource paths and fallback in the classpath if it is not found.
 */
public class RutaResourceLoader implements ResourceLoader {
    private final ResourceLoader wrapped;
    private final ResourceLoader fallback;

    /**
     * @param resourcePaths Resource paths to search in priority.
     */
    public RutaResourceLoader(String[] resourcePaths) {
        this.wrapped = new PathMatchingResourcePatternResolver(new ResourcePathResourceLoader(resourcePaths));
        this.fallback = new DefaultResourceLoader();
    }

    public Resource getResource(String location) {
        Resource resource = this.wrapped.getResource(location);
        if (!resource.exists()) {
            resource = fallback.getResource(location);
        }
        return resource;
    }

    public ClassLoader getClassLoader() {
        return getClass().getClassLoader();
    }
}