org.mattressframework.test.ext.SerializationUtils Maven / Gradle / Ivy

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/*
 * Copyright 2007-2008, Josh Devins.
 *
 * 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.mattressframework.test.ext;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.junit.Assert;

public final class SerializationUtils {

    private static final ClassLoader CL =
            Thread.currentThread().getContextClassLoader();

    public static String buildFilename(final String directoryAndExtension,
            final String filename) {

        return buildFilename(directoryAndExtension, filename,
                directoryAndExtension);
    }

    public static String buildFilename(final String directory,
            final String filename, final String extension) {

        return directory + "/" + filename + "." + extension;
    }

    public static InputStream loadFileAsInputStream(final String filename)
            throws FileNotFoundException {

        InputStream is = CL.getResourceAsStream(filename);

        if (is == null) {
            throw new FileNotFoundException(filename);
        } else {
            return is;
        }
    }

    public static String loadFileAsString(final String filename)
            throws IOException {

        // build String representation
        InputStream is = loadFileAsInputStream(filename);
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));

        StringBuilder sb = new StringBuilder();
        String tmp = null;

        while ((tmp = reader.readLine()) != null) {
            sb.append(tmp);
        }

        String document = sb.toString();

        Assert.assertNotNull(document);
        return document;
    }
}