com.google.gwt.site.uploader.HashCalculatorSha1Impl.java Source code

Introduction

Here is the source code for com.google.gwt.site.uploader.HashCalculatorSha1Impl.java

Source

/*
 * Copyright 2013 Google Inc.
 *
 * 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 com.google.gwt.site.uploader;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.io.IOUtils;

public class HashCalculatorSha1Impl implements HashCalculator {

    @Override
    public String calculateHash(File file) throws IOException {
        FileInputStream fis = null;
        try {
            fis = new FileInputStream(file);
            return DigestUtils.sha1Hex(fis);
        } finally {
            IOUtils.closeQuietly(fis);
        }
    }
}