/*
    * ====================================================================
    * 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.io.InputStream;
  import java.io.OutputStream;
  import java.util.Collections;
  import java.util.List;
  import java.util.Set;
  
  import org.apache.hc.core5.function.Supplier;
  import org.apache.hc.core5.http.Header;
  import org.apache.hc.core5.http.HttpEntity;
  import org.apache.hc.core5.http.io.entity.AbstractHttpEntity;
  import org.apache.hc.core5.io.Closer;
  
  class IncomingHttpEntity implements HttpEntity {
  
      private final InputStream content;
      private final long len;
      private final boolean chunked;
      private final Header contentType;
      private final Header contentEncoding;
  
      IncomingHttpEntity(final InputStream content, final long len, final boolean chunked, final HeaderHeader.html#Header">Header contentType, final Header contentEncoding) {
          this.content = content;
          this.len = len;
          this.chunked = chunked;
          this.contentType = contentType;
          this.contentEncoding = contentEncoding;
      }
  
      @Override
      public boolean isRepeatable() {
          return false;
      }
  
      @Override
      public boolean isChunked() {
          return chunked;
      }
  
      @Override
      public long getContentLength() {
          return len;
      }
  
      @Override
      public String getContentType() {
          return contentType != null ? contentType.getValue() : null;
      }
  
      @Override
      public String getContentEncoding() {
          return contentEncoding != null ? contentEncoding.getValue() : null;
      }
  
      @Override
      public InputStream getContent() throws IOException, IllegalStateException {
          return content;
      }
  
      @Override
      public boolean isStreaming() {
          return content != null && content != EmptyInputStream.INSTANCE;
      }
  
      @Override
      public void writeTo(final OutputStream outStream) throws IOException {
          AbstractHttpEntity.writeTo(this, outStream);
      }
  
      @Override
     public Supplier<List<? extends Header>> getTrailers() {
         return null;
     }
 
     @Override
     public Set<String> getTrailerNames() {
         return Collections.emptySet();
     }
 
     @Override
     public void close() throws IOException {
         Closer.close(content);
     }
 
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
         sb.append('[');
         sb.append("Content-Type: ");
         sb.append(getContentType());
         sb.append(',');
         sb.append("Content-Encoding: ");
         sb.append(getContentEncoding());
         sb.append(',');
         final long len = getContentLength();
         if (len >= 0) {
             sb.append("Content-Length: ");
             sb.append(len);
             sb.append(',');
         }
         sb.append("Chunked: ");
         sb.append(isChunked());
         sb.append(']');
         return sb.toString();
     }
 
 }