com.ibm.cloud.objectstorage.thirdparty.ion.impl.AppendableFastAppendable Maven / Gradle / Ivy

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A single bundled dependency that includes all service and dependent JARs with third-party libraries relocated to different namespaces.

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/*
 * Copyright 2013-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at:
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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.
 */

package software.amazon.ion.impl;

import java.io.Closeable;
import java.io.Flushable;
import java.io.IOException;
import software.amazon.ion.util.PrivateFastAppendable;

/**
 * Adapts an {@link Appendable} to implement {@link PrivateFastAppendable}.
 */
final class AppendableFastAppendable
    implements PrivateFastAppendable, Closeable, Flushable
{
    private final Appendable _out;

    AppendableFastAppendable(Appendable out)
    {
        out.getClass(); // Efficient null check

        _out = out;
    }

    public Appendable append(CharSequence csq)
        throws IOException
    {
        _out.append(csq);
        return this;
    }

    public Appendable append(char c)
        throws IOException
    {
        _out.append(c);
        return this;
    }

    public Appendable append(CharSequence csq, int start, int end)
        throws IOException
    {
        _out.append(csq, start, end);
        return this;
    }

    public final void appendAscii(char c)
        throws IOException
    {
        _out.append(c);
    }

    public final void appendAscii(CharSequence csq)
        throws IOException
    {
        _out.append(csq);
    }

    public final void appendAscii(CharSequence csq, int start, int end)
        throws IOException
    {
        _out.append(csq, start, end);
    }

    public final void appendUtf16(char c)
        throws IOException
    {
        _out.append(c);
    }

    public final void appendUtf16Surrogate(char leadSurrogate,
                                           char trailSurrogate)
        throws IOException
    {
        _out.append(leadSurrogate);
        _out.append(trailSurrogate);
    }

    public void flush()
        throws IOException
    {
        if (_out instanceof Flushable)
        {
            ((Flushable)_out).flush();
        }
    }

    public void close() throws IOException
    {
        if (_out instanceof Closeable)
        {
            ((Closeable)_out).close();
        }
    }
}