Java InputStream to Byte Array getBytes(InputStream inputStream)

Description

get Bytes

License

Apache License

Declaration

public static byte[] getBytes(InputStream inputStream) throws IOException 

Method Source Code

//package com.java2s;
/**/*from  w ww . j  a v a2s .c  om*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.jar.JarFile;

public class Main {
    public static byte[] getBytes(InputStream inputStream) throws IOException {
        try {
            byte[] buffer = new byte[4096];
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            for (int count = inputStream.read(buffer); count >= 0; count = inputStream.read(buffer)) {
                out.write(buffer, 0, count);
            }
            byte[] bytes = out.toByteArray();
            return bytes;
        } finally {
            close(inputStream);
        }
    }

    public static void close(JarFile jarFile) {
        if (jarFile != null) {
            try {
                jarFile.close();
            } catch (Exception ignored) {
            }
        }
    }

    public static void close(InputStream inputStream) {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (Exception ignored) {
            }
        }
    }

    public static void close(OutputStream outputStream) {
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (Exception ignored) {
            }
        }
    }
}

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