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/*
 * ====================================================================
 * 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.hc.client5.http.async.methods;

import java.util.Iterator;

import org.apache.hc.core5.http.ContentType;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpResponse;
import org.apache.hc.core5.http.message.BasicHttpResponse;
import org.apache.hc.core5.util.Args;

/**
 * HTTP response that can enclose a body represented as a simple text string or an array of bytes.
 * 
 * IMPORTANT: {@link SimpleHttpResponse}s are intended for simple scenarios where entities inclosed
 * in responses are known to be small. It is generally recommended to use streaming
 * {@link org.apache.hc.core5.http.nio.AsyncResponseConsumer}s, for instance, such as based on
 * {@link AbstractCharResponseConsumer} or {@link AbstractBinResponseConsumer}.
 *
 * @since 5.0
 *
 * @see SimpleBody
 * @see AbstractCharResponseConsumer
 * @see AbstractBinResponseConsumer
 */
public final class SimpleHttpResponse extends BasicHttpResponse {

    private static final long serialVersionUID = 1L;
    private SimpleBody body;

    public SimpleHttpResponse(final int code) {
        super(code);
    }

    public SimpleHttpResponse(final int code, final String reasonPhrase) {
        super(code, reasonPhrase);
    }

    public static SimpleHttpResponse copy(final HttpResponse original) {
        Args.notNull(original, "HTTP response");
        final SimpleHttpResponse copy = new SimpleHttpResponse(original.getCode());
        copy.setVersion(original.getVersion());
        for (final Iterator it = original.headerIterator(); it.hasNext(); ) {
            copy.addHeader(it.next());
        }
        return copy;
    }

    public static SimpleHttpResponse create(final int code) {
        return new SimpleHttpResponse(code);
    }

    public static SimpleHttpResponse create(final int code, final String content, final ContentType contentType) {
        final SimpleHttpResponse response = new SimpleHttpResponse(code);
        if (content != null) {
            response.setBody(content, contentType);
        }
        return response;
    }

    public static SimpleHttpResponse create(final int code, final String content) {
        return create(code, content, ContentType.TEXT_PLAIN);
    }

    public static SimpleHttpResponse create(final int code, final byte[] content, final ContentType contentType) {
        final SimpleHttpResponse response = new SimpleHttpResponse(code);
        if (content != null) {
            response.setBody(content, contentType);
        }
        return response;
    }

    public static SimpleHttpResponse create(final int code, final byte[] content) {
        return create(code, content, ContentType.TEXT_PLAIN);
    }

    public void setBody(final SimpleBody body) {
        this.body = body;
    }

    public void setBody(final byte[] bodyBytes, final ContentType contentType) {
        this.body = SimpleBody.create(bodyBytes, contentType);
    }

    public void setBody(final String bodyText, final ContentType contentType) {
        this.body = SimpleBody.create(bodyText, contentType);
    }

    public SimpleBody getBody() {
        return body;
    }

    public ContentType getContentType() {
        return body != null ? body.getContentType() : null;
    }

    public String getBodyText() {
        return body != null ? body.getBodyText() : null;
    }

    public byte[] getBodyBytes() {
        return body != null ? body.getBodyBytes() : null;
    }

}