PrefixedClasspathResourceLoader.java

/*
 * Copyright (C) 2015 the original author or authors.
 *
 * 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 ro.pippo.velocity;

import org.apache.commons.collections.ExtendedProperties;
import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;

import java.io.InputStream;

/**
 * @see http://stackoverflow.com/a/9693749/390044
 *
 * @author Decebal Suiu
 */
public class PrefixedClasspathResourceLoader extends ClasspathResourceLoader {

    /** Prefix to be added to any names */
    private String prefix = "";

    @Override
    public void init(ExtendedProperties configuration) {
        prefix = configuration.getString("prefix", "");
    }

    @Override
    public InputStream getResourceStream(String name) {
        return super.getResourceStream(prefix + name);
    }

}