Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2011 ZXing 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.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;

import java.net.URLConnection;

public class Main {
    private static String consume(URLConnection connection) throws IOException {
        String encoding = getEncoding(connection);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        InputStream in = connection.getInputStream();
        try {
            in = connection.getInputStream();
            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = in.read(buffer)) > 0) {
                out.write(buffer, 0, bytesRead);
            }
        } finally {
            try {
                in.close();
            } catch (IOException ioe) {
                // continue
            }
        }
        try {
            return new String(out.toByteArray(), encoding);
        } catch (UnsupportedEncodingException uee) {
            try {
                return new String(out.toByteArray(), "UTF-8");
            } catch (UnsupportedEncodingException uee2) {
                // can't happen
                throw new IllegalStateException(uee2);
            }
        }
    }

    private static String getEncoding(URLConnection connection) {
        String contentTypeHeader = connection.getHeaderField("Content-Type");
        if (contentTypeHeader != null) {
            int charsetStart = contentTypeHeader.indexOf("charset=");
            if (charsetStart >= 0) {
                return contentTypeHeader.substring(charsetStart + "charset=".length());
            }
        }
        return "UTF-8";
    }
}