/*
    * ====================================================================
    * 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.http.impl.io;
  
  import java.io.IOException;
  import java.net.Socket;
  
  import javax.net.ssl.SSLSocket;
  
  import org.apache.hc.core5.annotation.Contract;
  import org.apache.hc.core5.annotation.ThreadingBehavior;
  import org.apache.hc.core5.http.ClassicHttpRequest;
  import org.apache.hc.core5.http.ClassicHttpResponse;
  import org.apache.hc.core5.http.ContentLengthStrategy;
  import org.apache.hc.core5.http.config.CharCodingConfig;
  import org.apache.hc.core5.http.config.Http1Config;
  import org.apache.hc.core5.http.impl.CharCodingSupport;
  import org.apache.hc.core5.http.io.HttpConnectionFactory;
  import org.apache.hc.core5.http.io.HttpMessageParserFactory;
  import org.apache.hc.core5.http.io.HttpMessageWriterFactory;
  import org.apache.hc.core5.http.io.ResponseOutOfOrderStrategy;
  
  /**
   * Default factory for {@link org.apache.hc.core5.http.io.HttpClientConnection}s.
   *
   * @since 4.3
   */
  @Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
  public class DefaultBHttpClientConnectionFactory
          implements HttpConnectionFactory<DefaultBHttpClientConnection> {
  
      private final Http1Config http1Config;
      private final CharCodingConfig charCodingConfig;
      private final ContentLengthStrategy incomingContentStrategy;
      private final ContentLengthStrategy outgoingContentStrategy;
      private final ResponseOutOfOrderStrategy responseOutOfOrderStrategy;
      private final HttpMessageWriterFactory<ClassicHttpRequest> requestWriterFactory;
      private final HttpMessageParserFactory<ClassicHttpResponse> responseParserFactory;
  
      private DefaultBHttpClientConnectionFactory(
              final Http1Config http1Config,
              final CharCodingConfig charCodingConfig,
              final ContentLengthStrategy incomingContentStrategy,
              final ContentLengthStrategy outgoingContentStrategy,
              final ResponseOutOfOrderStrategy responseOutOfOrderStrategy,
              final HttpMessageWriterFactory<ClassicHttpRequest> requestWriterFactory,
              final HttpMessageParserFactory<ClassicHttpResponse> responseParserFactory) {
          this.http1Config = http1Config != null ? http1Config : Http1Config.DEFAULT;
          this.charCodingConfig = charCodingConfig != null ? charCodingConfig : CharCodingConfig.DEFAULT;
          this.incomingContentStrategy = incomingContentStrategy;
          this.outgoingContentStrategy = outgoingContentStrategy;
          this.responseOutOfOrderStrategy = responseOutOfOrderStrategy;
          this.requestWriterFactory = requestWriterFactory != null ? requestWriterFactory :
                  new DefaultHttpRequestWriterFactory(this.http1Config) ;
          this.responseParserFactory = responseParserFactory != null ? responseParserFactory :
                  new DefaultHttpResponseParserFactory(this.http1Config);
      }
  
      public DefaultBHttpClientConnectionFactory(
              final Http1Config http1Config,
              final CharCodingConfig charCodingConfig,
              final ContentLengthStrategy incomingContentStrategy,
              final ContentLengthStrategy outgoingContentStrategy,
              final HttpMessageWriterFactory<ClassicHttpRequest> requestWriterFactory,
              final HttpMessageParserFactory<ClassicHttpResponse> responseParserFactory) {
          this(
                  http1Config,
                  charCodingConfig,
                  incomingContentStrategy,
                  outgoingContentStrategy,
                  null,
                  requestWriterFactory,
                  responseParserFactory);
      }
 
     public DefaultBHttpClientConnectionFactory(
             final Http1Config http1Config,
             final CharCodingConfig charCodingConfig,
             final HttpMessageWriterFactory<ClassicHttpRequest> requestWriterFactory,
             final HttpMessageParserFactory<ClassicHttpResponse> responseParserFactory) {
         this(http1Config, charCodingConfig, null, null, requestWriterFactory, responseParserFactory);
     }
 
     public DefaultBHttpClientConnectionFactory(
             final Http1Config http1Config,
             final CharCodingConfig charCodingConfig) {
         this(http1Config, charCodingConfig, null, null, null, null);
     }
 
     public DefaultBHttpClientConnectionFactory() {
         this(null, null, null, null, null, null);
     }
 
     DefaultBHttpClientConnection createDetached() {
         return new DefaultBHttpClientConnection(
                 this.http1Config,
                 CharCodingSupport.createDecoder(this.charCodingConfig),
                 CharCodingSupport.createEncoder(this.charCodingConfig),
                 this.incomingContentStrategy,
                 this.outgoingContentStrategy,
                 this.responseOutOfOrderStrategy,
                 this.requestWriterFactory,
                 this.responseParserFactory);
     }
 
     @Override
     public DefaultBHttpClientConnection createConnection(final Socket socket) throws IOException {
         final DefaultBHttpClientConnection conn = createDetached();
         conn.bind(socket);
         return conn;
     }
 
     /**
      * @since 5.3
      */
     @Override
     public DefaultBHttpClientConnection createConnection(final SSLSocket sslSocket, final Socket socket) throws IOException {
         final DefaultBHttpClientConnection conn = createDetached();
         conn.bind(sslSocket, socket);
         return conn;
     }
 
     /**
      * Create a new {@link Builder}.
      *
      * @since 5.1
      */
     public static Builder builder() {
         return new Builder();
     }
 
     /**
      * Builder for {@link DefaultBHttpClientConnectionFactory}.
      *
      * @since 5.1
      */
     public static final class Builder {
         private Http1Config http1Config;
         private CharCodingConfig charCodingConfig;
         private ContentLengthStrategy incomingContentLengthStrategy;
         private ContentLengthStrategy outgoingContentLengthStrategy;
         private ResponseOutOfOrderStrategy responseOutOfOrderStrategy;
         private HttpMessageWriterFactory<ClassicHttpRequest> requestWriterFactory;
         private HttpMessageParserFactory<ClassicHttpResponse> responseParserFactory;
 
         private Builder() {}
 
         public Builder http1Config(final Http1Config http1Config) {
             this.http1Config = http1Config;
             return this;
         }
 
         public Builder charCodingConfig(final CharCodingConfig charCodingConfig) {
             this.charCodingConfig = charCodingConfig;
             return this;
         }
 
         public Builder incomingContentLengthStrategy(final ContentLengthStrategy incomingContentLengthStrategy) {
             this.incomingContentLengthStrategy = incomingContentLengthStrategy;
             return this;
         }
 
         public Builder outgoingContentLengthStrategy(final ContentLengthStrategy outgoingContentLengthStrategy) {
             this.outgoingContentLengthStrategy = outgoingContentLengthStrategy;
             return this;
         }
 
         public Builder responseOutOfOrderStrategy(final ResponseOutOfOrderStrategy responseOutOfOrderStrategy) {
             this.responseOutOfOrderStrategy = responseOutOfOrderStrategy;
             return this;
         }
 
         public Builder requestWriterFactory(
                 final HttpMessageWriterFactory<ClassicHttpRequest> requestWriterFactory) {
             this.requestWriterFactory = requestWriterFactory;
             return this;
         }
 
         public Builder responseParserFactory(
                 final HttpMessageParserFactory<ClassicHttpResponse> responseParserFactory) {
             this.responseParserFactory = responseParserFactory;
             return this;
         }
 
         public DefaultBHttpClientConnectionFactory build() {
             return new DefaultBHttpClientConnectionFactory(
                     http1Config,
                     charCodingConfig,
                     incomingContentLengthStrategy,
                     outgoingContentLengthStrategy,
                     responseOutOfOrderStrategy,
                     requestWriterFactory,
                     responseParserFactory);
         }
     }
 }