org.apache.http.entity.AbstractHttpEntity Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of wildfly-client-all
This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).
There is a newer version: 35.0.0.Beta1
Show newest version
/*
 * ====================================================================
 * 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
 * .
 *
 */

package org.apache.http.entity;

import java.io.IOException;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.message.BasicHeader;
import org.apache.http.protocol.HTTP;

/**
 * Abstract base class for entities.
 * Provides the commonly used attributes for streamed and self-contained
 * implementations of {@link HttpEntity HttpEntity}.
 *
 * @since 4.0
 */
public abstract class AbstractHttpEntity implements HttpEntity {

    /**
     * Buffer size for output stream processing.
     *
     * @since 4.3
     */
    protected static final int OUTPUT_BUFFER_SIZE = 4096;

    protected Header contentType;
    protected Header contentEncoding;
    protected boolean chunked;

    /**
     * Protected default constructor.
     * The contentType, contentEncoding and chunked attributes of the created object are set to
     * {@code null}, {@code null} and {@code false}, respectively.
     */
    protected AbstractHttpEntity() {
        super();
    }


    /**
     * Obtains the Content-Type header.
     * The default implementation returns the value of the
     * {@link #contentType contentType} attribute.
     *
     * @return  the Content-Type header, or {@code null}
     */
    @Override
    public Header getContentType() {
        return this.contentType;
    }


    /**
     * Obtains the Content-Encoding header.
     * The default implementation returns the value of the
     * {@link #contentEncoding contentEncoding} attribute.
     *
     * @return  the Content-Encoding header, or {@code null}
     */
    @Override
    public Header getContentEncoding() {
        return this.contentEncoding;
    }

    /**
     * Obtains the 'chunked' flag.
     * The default implementation returns the value of the
     * {@link #chunked chunked} attribute.
     *
     * @return  the 'chunked' flag
     */
    @Override
    public boolean isChunked() {
        return this.chunked;
    }


    /**
     * Specifies the Content-Type header.
     * The default implementation sets the value of the
     * {@link #contentType contentType} attribute.
     *
     * @param contentType       the new Content-Type header, or
     *                          {@code null} to unset
     */
    public void setContentType(final Header contentType) {
        this.contentType = contentType;
    }

    /**
     * Specifies the Content-Type header, as a string.
     * The default implementation calls
     * {@link #setContentType(Header) setContentType(Header)}.
     *
     * @param ctString     the new Content-Type header, or
     *                     {@code null} to unset
     */
    public void setContentType(final String ctString) {
        Header h = null;
        if (ctString != null) {
            h = new BasicHeader(HTTP.CONTENT_TYPE, ctString);
        }
        setContentType(h);
    }


    /**
     * Specifies the Content-Encoding header.
     * The default implementation sets the value of the
     * {@link #contentEncoding contentEncoding} attribute.
     *
     * @param contentEncoding   the new Content-Encoding header, or
     *                          {@code null} to unset
     */
    public void setContentEncoding(final Header contentEncoding) {
        this.contentEncoding = contentEncoding;
    }

    /**
     * Specifies the Content-Encoding header, as a string.
     * The default implementation calls
     * {@link #setContentEncoding(Header) setContentEncoding(Header)}.
     *
     * @param ceString     the new Content-Encoding header, or
     *                     {@code null} to unset
     */
    public void setContentEncoding(final String ceString) {
        Header h = null;
        if (ceString != null) {
            h = new BasicHeader(HTTP.CONTENT_ENCODING, ceString);
        }
        setContentEncoding(h);
    }


    /**
     * Specifies the 'chunked' flag.
     * 
     * Note that the chunked setting is a hint only.
     * If using HTTP/1.0, chunking is never performed.
     * Otherwise, even if chunked is false, HttpClient must
     * use chunk coding if the entity content length is
     * unknown (-1).
     * 
     * The default implementation sets the value of the
     * {@link #chunked chunked} attribute.
     *
     * @param b         the new 'chunked' flag
     */
    public void setChunked(final boolean b) {
        this.chunked = b;
    }


    /**
     * The default implementation does not consume anything.
     *
     * @deprecated (4.1) Either use {@link #getContent()} and call {@link java.io.InputStream#close()} on that;
     * otherwise call {@link #writeTo(java.io.OutputStream)} which is required to free the resources.
     */
    @Override
    @Deprecated
    public void consumeContent() throws IOException {
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder();
        sb.append('[');
        if (contentType != null) {
            sb.append("Content-Type: ");
            sb.append(contentType.getValue());
            sb.append(',');
        }
        if (contentEncoding != null) {
            sb.append("Content-Encoding: ");
            sb.append(contentEncoding.getValue());
            sb.append(',');
        }
        final long len = getContentLength();
        if (len >= 0) {
            sb.append("Content-Length: ");
            sb.append(len);
            sb.append(',');
        }
        sb.append("Chunked: ");
        sb.append(chunked);
        sb.append(']');
        return sb.toString();
    }

}