/*
 [The "BSD license"]
 Copyright (c) 2011-2024  闲大赋 (李家智)
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
 3. The name of the author may not be used to endorse or promote products
     derived from this software without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.beetl.core.io;

import java.io.IOException;
import java.io.OutputStream;

import org.beetl.core.BodyContent;
import org.beetl.core.ByteWriter;
import org.beetl.core.Context;

public class ByteWriter_Byte extends ByteWriter {

    protected OutputStream os;
    protected String cs;
    DefaultEncoder encode = null;

    /**
     * 构造方法
     * @param os 输出流
     * @param cs
     * @param ctx
     */
    public ByteWriter_Byte(OutputStream os, String cs, Context ctx) {
        super(ctx);
        this.os = os;
        this.cs = cs;
        encode = new DefaultEncoder(cs, this.localBuffer);
    }

    public ByteWriter_Byte(OutputStream os, String cs, Context ctx, ByteWriter parent) {
        this(os, cs, ctx);
        this.parent = parent;
    }

    @Override
    public final void write(final char[] cbuf) throws IOException {
        this.write(cbuf, cbuf.length);
        // TODO:性能如何？
    }

    @Override
    public final void write(final char[] cbuf, final int len) throws IOException {
        byte[] bs = new String(cbuf, 0, len).getBytes(cs);
        write(bs);
    }

    @Override
    public final void write(final byte[] bs) throws IOException {
        os.write(bs);
    }

    public void write(byte[] bs, int count) throws IOException {
        os.write(bs, 0, count);
    }

    public void writeString(String str) throws IOException {
        if (str != null) {
            encode.write(str, os);
        }
    }

    @Override
    public ByteWriter getTempWriter(ByteWriter parent) {
        return new ByteWriter_Byte(new NoLockByteArrayOutputStream(), cs, this.ctx, parent);
    }

    @Override
    public void flush() throws IOException {
        if (parent != null) {
            parent.flush();
        }
        this.os.flush();
    }

    @Override
    public void fill(ByteWriter bw) throws IOException {
        ByteWriter_Byte bwb = (ByteWriter_Byte) bw;
        NoLockByteArrayOutputStream byteArray = (NoLockByteArrayOutputStream) bwb.os;
        this.write(byteArray.buf, byteArray.pos);
    }

    @Override
    public BodyContent getTempContent() {
        NoLockByteArrayOutputStream byteArray = (NoLockByteArrayOutputStream) this.os;
        return new ByteBodyContent(byteArray.buf, byteArray.pos, this.cs);
    }

    public OutputStream getOs() {
        return os;
    }

    public void setOs(OutputStream os) {
        this.os = os;
    }

    public String getCs() {
        return cs;
    }

    public void setCs(String cs) {
        this.cs = cs;
    }

    @Override
    public void writeNumberChars(char[] chars, int len) throws IOException {
        byte[] bs = ctx.localBuffer.getByteBuffer(len);
        for (int i = 0; i < len; i++) {
            bs[i] = (byte) chars[i];
        }
        this.os.write(bs, 0, len);
    }
}
