webit.script.io.impl.WriterOut Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of webit-script Show documentation
There is a newer version: 1.5.2
// Copyright (c) 2013, Webit Team. All Rights Reserved.
package webit.script.io.impl;

import java.io.IOException;
import java.io.Writer;
import webit.script.exceptions.ScriptRuntimeException;
import webit.script.io.Out;
import webit.script.io.charset.CoderFactory;
import webit.script.io.charset.Decoder;
import webit.script.util.BufferPeers;

/**
 *
 * @author Zqq
 */
public final class WriterOut implements Out {

    private final Writer writer;
    private final String encoding;
    private final Decoder decoder;
    private final BufferPeers bufferPeers;

    public WriterOut(Writer writer, String encoding, Decoder decoder, BufferPeers bufferPeers) {
        this.writer = writer;
        this.encoding = encoding;
        this.decoder = decoder;
        this.bufferPeers = bufferPeers;
    }

    public WriterOut(Writer writer, final WriterOut writerOut) {
        this(writer, writerOut.encoding, writerOut.decoder, writerOut.bufferPeers);
    }

    public WriterOut(Writer writer, String encoding, CoderFactory coderFactory) {
        this.writer = writer;
        this.encoding = encoding;
        this.decoder = coderFactory.newDecoder(encoding, this.bufferPeers = BufferPeers.getMiniSizePeers());
    }

    public void write(final byte[] bytes, final int offset, final int length) {
        try {
            this.decoder.write(bytes, offset, length, this.writer);
        } catch (IOException ex) {
            throw new ScriptRuntimeException(ex);
        }
    }

    public void write(final byte[] bytes) {
        try {
            this.decoder.write(bytes, 0, bytes.length, this.writer);
        } catch (IOException ex) {
            throw new ScriptRuntimeException(ex);
        }
    }

    public void write(final char[] chars, final int offset, final int length) {
        try {
            this.writer.write(chars, offset, length);
        } catch (IOException ex) {
            throw new ScriptRuntimeException(ex);
        }
    }

    public void write(final char[] chars) {
        try {
            this.writer.write(chars);
        } catch (IOException ex) {
            throw new ScriptRuntimeException(ex);
        }
    }

    public void write(final String string, final int offset, final int length) {
        try {
            final char[] chars;
            string.getChars(offset, offset + length,
                    chars = this.bufferPeers.getChars(length),
                    0);
            this.writer.write(chars, 0, length);
        } catch (IOException ex) {
            throw new ScriptRuntimeException(ex);
        }
    }

    public void write(final String string) {
        write(string, 0, string.length());
    }

    public String getEncoding() {
        return this.encoding;
    }

    public boolean isByteStream() {
        return false;
    }
}