org.apache.geode.util.test.TestUtil.java Source code

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Here is the source code for org.apache.geode.util.test.TestUtil.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.geode.util.test;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;

import org.apache.commons.lang.SystemUtils;
import org.apache.geode.internal.FileUtil;

public class TestUtil {

    /**
     * Return the path to a named resource. This finds the resource on the classpath using the rules
     * of class.getResource. For a relative path it will look in the same package as the class, for an
     * absolute path it will start from the base package.
     * 
     * Best practice is to put the resource in the same package as your test class and load it with
     * this method.
     * 
     * @param clazz the class to look relative too
     * @param name the name of the resource, eg "cache.xml"
     */
    public static String getResourcePath(Class<?> clazz, String name) {
        URL resource = clazz.getResource(name);
        if (resource == null) {
            throw new RuntimeException("Could not find resource " + name);
        }
        try {
            String path = resource.toURI().getPath();
            if (path == null) {
                String filename = name.replaceFirst(".*/", "");
                File tmpFile = File.createTempFile(filename, null);
                tmpFile.deleteOnExit();
                FileUtil.copy(resource, tmpFile);
                return compatibleWithWindows(tmpFile.getAbsolutePath());
            }
            return compatibleWithWindows(path);
        } catch (URISyntaxException | IOException e) {
            throw new RuntimeException("Failed getting path to resource " + name, e);
        }
    }

    private static String compatibleWithWindows(String path) {
        return SystemUtils.IS_OS_WINDOWS ? path.substring(1) : path;
    }
}