Java InputStream Read by Charset asString(final InputStream is, Charset charset)

Description

Reads the provided input stream as a string and then closes the stream.

License

CDDL license

Parameter

Parameter	Description
is	the input stream to be read.
charset	the character set encoding of the input stream.

Exception

Parameter	Description
IOException	If an I/O error occurs.

Return

the content of the stream.

Declaration

public static String asString(final InputStream is, Charset charset) throws IOException 

Method Source Code

//package com.java2s;
/*/*w w w .  j  a  v a2 s  . c om*/
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2009 Sun Microsystems Inc.
 * Portions Copyright 2010-2011 ApexIdentity Inc.
 * Portions Copyright 2011-2016 ForgeRock AS.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

public class Main {
    /** Platform specific end of line character. */
    private static final String EOL = System.getProperty("line.separator");

    /**
     * Reads the provided input stream as a string and then closes the stream.
     *
     * @param is
     *            the input stream to be read.
     * @param charset
     *            the character set encoding of the input stream.
     * @return the content of the stream.
     * @throws IOException
     *             If an I/O error occurs.
     */
    public static String asString(final InputStream is, Charset charset) throws IOException {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(is, charset))) {
            final String firstLine = reader.readLine();
            if (firstLine == null) {
                return "";
            }
            final StringBuilder builder = new StringBuilder(firstLine);
            for (String line = reader.readLine(); line != null; line = reader.readLine()) {
                builder.append(EOL);
                builder.append(line);
            }
            return builder.toString();
        }
    }
}

Related

1. collectStream(InputStream stream, Charset charset)
2. consume(InputStream stream, Charset encoding)
3. convertEncoding(Charset output_charset, String input_string)
4. convertFromUnicode(String input, String targetCharset)