Java FileInputStream Create getStreamFromFile(File file)

Description

get Stream From File

License

Apache License

Declaration

public static InputStream getStreamFromFile(File file) 

Method Source Code

//package com.java2s;
/* Copyright 2013-2015 www.snakerflow.com.
 *
 * 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.//from w w  w.ja v a 2s.  co  m
 */

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

import java.io.InputStream;

public class Main {
    public static InputStream getStreamFromFile(File file) {
        InputStream stream = null;
        try {
            if (!file.exists()) {
                throw new RuntimeException("file " + file + " doesn't exist");
            }
            if (file.isDirectory()) {
                throw new RuntimeException("file " + file + " is a directory");
            }
            stream = new FileInputStream(file);

        } catch (Exception e) {
            throw new RuntimeException("couldn't access file " + file + ": " + e.getMessage(), e);
        }
        return stream;
    }
}

Related

1. getStream(String fileName, boolean resource)
2. getStreamForFile(String fileName)
3. getStreamForFile(String path)