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A library that enables users to write minimal, clean and simple Java

There is a newer version: 3.3.0

package org.rajivprab.cava;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.io.input.BoundedInputStream;
import org.rajivprab.cava.exception.IOExceptionc;
import org.rajivprab.cava.exception.CheckedExceptionWrapper;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;

/**
 * Utilities related to Files
 * 
 * Created by rprabhakar on 12/15/15.
 */
public class FileUtilc {
    // Throws SizeLimitExceededException as appropriate
    // Will close the stream on exit
    public static void copyToFile(InputStream stream, File file, long maxSize) {
        try (InputStream ignored = stream) {
            BoundedInputStream boundedStream = new BoundedInputStream(stream, maxSize);
            boundedStream.setPropagateClose(false);
            FileUtils.copyToFile(boundedStream, file);
            // Following read prevents stream from being used outside of this method, if bytes still exist
            Validatec.equals(stream.read(), IOUtils.EOF, SizeLimitExceededException.class,
                             "Stream exceeded " + maxSize / 1024 + " kB");
        } catch (IOException e) {
            throw new IOExceptionc(e);
        }
    }

    public static void copyToFile(InputStream stream, File file) {
        try {
            FileUtils.copyToFile(stream, file);
        } catch (IOException e) {
            throw new IOExceptionc(e);
        }
    }

    public static String readFileToString(File file) {
        try {
            return FileUtils.readFileToString(file, IOUtilc.CHARSET_USED);
        } catch (IOException e) {
            throw new IOExceptionc(e);
        }
    }

    public static String readClasspathFile(String path) {
        try {
            return IOUtilc.toString(ClassLoader.getSystemResourceAsStream(path));
        } catch (NullPointerException e) {
            throw new IOExceptionc(new FileNotFoundException("Classpath file does not exist: " + path));
        }
    }

    public static File getClasspathFile(String path) {
        try {
            return new File(ClassLoader.getSystemResource(path).toURI());
        } catch (URISyntaxException e) {
            throw new CheckedExceptionWrapper(e);
        }
    }

    public static class SizeLimitExceededException extends RuntimeException {
        public SizeLimitExceededException(String message) {
            super(message);
        }
    }
}