Java File to InputStream openInputStream(String filePath)

Description

open Input Stream

License

Apache License

Declaration

public static FileInputStream openInputStream(String filePath) 

Method Source Code

//package com.java2s;
/*//from w w  w. j a  va 2  s . c  om
 * Copyright 2002-2012 the original author or authors.
 *
 * 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.
 */

import java.io.File;

import java.io.FileInputStream;

public class Main {

    public static FileInputStream openInputStream(File file) {

        if (file.exists()) {

            if (file.isDirectory()) {
                return null;
            }

            if (!file.canRead()) {
                return null;
            }

        } else {
            return null;
        }

        FileInputStream fis = null;

        try {
            fis = new FileInputStream(file);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

        return fis;
    }

    public static FileInputStream openInputStream(String filePath) {
        return openInputStream(new File(filePath));
    }
}

Related

1. openInputStream(File file)
2. openInputStream(File file)
3. openInputStream(File file)
4. openInputStream(File file, boolean buffer)
5. openInputStream(File file, boolean refuseEmpty)
6. openInputStream(String infilename)
7. openInputStream(String path)
8. openStream(final Class clazz, final String path)
9. openStream(final File file)