InternalBuffer.java

/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package org.apache.hc.core5.jackson2.http;

import java.io.IOException;
import java.nio.ByteBuffer;

import org.apache.hc.core5.http.impl.nio.ExpandableBuffer;

class InternalBuffer extends ExpandableBuffer {

    public InternalBuffer(final int bufferSize) {
        super(bufferSize);
    }

    void write(final byte[] b, final int off, final int len) throws IOException {
        if (b == null) {
            return;
        }
        setInputMode();
        final int requiredCapacity = buffer().position() + len;
        ensureCapacity(requiredCapacity);
        buffer().put(b, off, len);
    }

    void write(final int b) throws IOException {
        setInputMode();
        final int requiredCapacity = buffer().position() + 1;
        ensureCapacity(requiredCapacity);
        buffer().put((byte) b);
    }

    @Override
    protected int length() {
        return super.length();
    }

    @Override
    protected boolean hasData() {
        return super.hasData();
    }

    @Override
    public void clear() {
        super.clear();
    }

    ByteBuffer getByteBuffer() {
        setOutputMode();
        return buffer();
    }

}