Java OutputStream Write String writeStringStringMap(Map map, OutputStream os)

Description

write String String Map

License

Apache License

Declaration

static void writeStringStringMap(Map<String, String> map, OutputStream os) throws IOException 

Method Source Code

//package com.java2s;
/*//from www.j  a  v  a 2s  .c  o m
 * Copyright (C) 2011 The Android Open Source Project
 * Copyright (C) 2014 Naver Corp.
 * 
 * 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.IOException;

import java.io.OutputStream;

import java.util.Map;

public class Main {
    static void writeStringStringMap(Map<String, String> map, OutputStream os) throws IOException {
        if (map != null) {
            writeInt(os, map.size());
            for (Map.Entry<String, String> entry : map.entrySet()) {
                writeString(os, entry.getKey());
                writeString(os, entry.getValue());
            }
        } else {
            writeInt(os, 0);
        }
    }

    static void writeInt(OutputStream os, int n) throws IOException {
        os.write((n >> 0) & 0xff);
        os.write((n >> 8) & 0xff);
        os.write((n >> 16) & 0xff);
        os.write((n >> 24) & 0xff);
    }

    static void writeString(OutputStream os, String s) throws IOException {
        byte[] b = s.getBytes("UTF-8");
        writeLong(os, b.length);
        os.write(b, 0, b.length);
    }

    static void writeLong(OutputStream os, long n) throws IOException {
        os.write((byte) (n >>> 0));
        os.write((byte) (n >>> 8));
        os.write((byte) (n >>> 16));
        os.write((byte) (n >>> 24));
        os.write((byte) (n >>> 32));
        os.write((byte) (n >>> 40));
        os.write((byte) (n >>> 48));
        os.write((byte) (n >>> 56));
    }
}

Related

1. writeStringKey(final Object key, final ObjectOutputStream oos)
2. writeStringKey(final Object key, final ObjectOutputStream oos)
3. writeStringMap(ObjectOutputStream out, Map map)
4. writeStringSmart(ByteArrayOutputStream baos, String s, Map knownStrings)
5. writeStringStringMap(Map map, OutputStream os)
6. WriteStringToOutputStream(String data, OutputStream os)
7. writeStringToStream(final OutputStream stream, final String string)
8. writeStringToStream(final String s, final OutputStream outputStream)
9. writeStringToStream(OutputStream out, String contents, String charset)