Coverage Report - com.jcabi.http.wire.VerboseWire
 
Classes in this File Line Coverage Branch Coverage Complexity
VerboseWire
90%
18/20
25%
4/16
1.667
 
 1  
 /**
 2  
  * Copyright (c) 2011-2017, jcabi.com
 3  
  * All rights reserved.
 4  
  *
 5  
  * Redistribution and use in source and binary forms, with or without
 6  
  * modification, are permitted provided that the following conditions
 7  
  * are met: 1) Redistributions of source code must retain the above
 8  
  * copyright notice, this list of conditions and the following
 9  
  * disclaimer. 2) Redistributions in binary form must reproduce the above
 10  
  * copyright notice, this list of conditions and the following
 11  
  * disclaimer in the documentation and/or other materials provided
 12  
  * with the distribution. 3) Neither the name of the jcabi.com nor
 13  
  * the names of its contributors may be used to endorse or promote
 14  
  * products derived from this software without specific prior written
 15  
  * permission.
 16  
  *
 17  
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 18  
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 19  
  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 20  
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 21  
  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 22  
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23  
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 24  
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 25  
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 26  
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 27  
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 28  
  * OF THE POSSIBILITY OF SUCH DAMAGE.
 29  
  */
 30  
 package com.jcabi.http.wire;
 31  
 
 32  
 import com.jcabi.aspects.Immutable;
 33  
 import com.jcabi.aspects.Tv;
 34  
 import com.jcabi.http.Request;
 35  
 import com.jcabi.http.RequestBody;
 36  
 import com.jcabi.http.Response;
 37  
 import com.jcabi.http.Wire;
 38  
 import com.jcabi.log.Logger;
 39  
 import java.io.ByteArrayInputStream;
 40  
 import java.io.ByteArrayOutputStream;
 41  
 import java.io.IOException;
 42  
 import java.io.InputStream;
 43  
 import java.util.Collection;
 44  
 import java.util.Map;
 45  
 import lombok.EqualsAndHashCode;
 46  
 import lombok.ToString;
 47  
 
 48  
 /**
 49  
  * Verbose wire.
 50  
  *
 51  
  * <p>This wire makes HTTP request and response details visible in
 52  
  * log (we're using SLF4J logging facility), for example:
 53  
  *
 54  
  * <pre> String html = new JdkRequest("http://goggle.com")
 55  
  *   .through(VerboseWire.class)
 56  
  *   .header(HttpHeaders.ACCEPT, MediaType.TEXT_PLAIN)
 57  
  *   .fetch()
 58  
  *   .body();</pre>
 59  
  *
 60  
  * <p>The class is immutable and thread-safe.
 61  
  *
 62  
  * @author Yegor Bugayenko (yegor@tpc2.com)
 63  
  * @version $Id: 93c7fc5336b46958e261ac0a124982e5e6c2f6ab $
 64  
  * @since 0.10
 65  
  */
 66  
 @Immutable
 67  0
 @ToString(of = "origin")
 68  0
 @EqualsAndHashCode(of = "origin")
 69  
 public final class VerboseWire implements Wire {
 70  
 
 71  
     /**
 72  
      * Original wire.
 73  
      */
 74  
     private final transient Wire origin;
 75  
 
 76  
     /**
 77  
      * Public ctor.
 78  
      * @param wire Original wire
 79  
      */
 80  14
     public VerboseWire(final Wire wire) {
 81  14
         this.origin = wire;
 82  14
     }
 83  
 
 84  
     // @checkstyle ParameterNumber (7 lines)
 85  
     @Override
 86  
     public Response send(final Request req, final String home,
 87  
         final String method,
 88  
         final Collection<Map.Entry<String, String>> headers,
 89  
         final InputStream content,
 90  
         final int connect,
 91  
         final int read) throws IOException {
 92  21
         final ByteArrayOutputStream output = new ByteArrayOutputStream();
 93  21
         final byte[] buffer = new byte[Tv.THOUSAND];
 94  21
         for (int bytes = content.read(buffer); bytes != -1;
 95  6
              bytes = content.read(buffer)) {
 96  6
             output.write(buffer, 0, bytes);
 97  
         }
 98  21
         output.flush();
 99  21
         final Response response = this.origin.send(
 100  
             req, home, method, headers,
 101  
             new ByteArrayInputStream(output.toByteArray()),
 102  
                 connect, read
 103  
         );
 104  21
         final StringBuilder text = new StringBuilder(0);
 105  21
         for (final Map.Entry<String, String> header : headers) {
 106  7
             text.append(header.getKey())
 107  
                 .append(": ")
 108  
                 .append(header.getValue())
 109  
                 .append('\n');
 110  7
         }
 111  21
         text.append('\n').append(
 112  
             new RequestBody.Printable(output.toByteArray()).toString()
 113  
         );
 114  20
         Logger.info(
 115  
             this,
 116  
             "#send(%s %s):\nHTTP Request (%s):\n%s\nHTTP Response (%s):\n%s",
 117  
             method, home,
 118  
             req.getClass().getName(),
 119  
             VerboseWire.indent(text.toString()),
 120  
             response.getClass().getName(),
 121  
             VerboseWire.indent(response.toString())
 122  
         );
 123  21
         return response;
 124  
     }
 125  
 
 126  
     /**
 127  
      * Indent provided text.
 128  
      * @param text Text to indent
 129  
      * @return Indented text
 130  
      */
 131  
     private static String indent(final String text) {
 132  41
         return new StringBuilder("  ")
 133  
             .append(text.replaceAll("(\n|\n\r)", "$1  "))
 134  
             .toString();
 135  
     }
 136  
 
 137  
 }