001package org.hl7.fhir.r5.context;
002
003/*
004  Copyright (c) 2011+, HL7, Inc.
005  All rights reserved.
006  
007  Redistribution and use in source and binary forms, with or without modification, 
008  are permitted provided that the following conditions are met:
009    
010   * Redistributions of source code must retain the above copyright notice, this 
011     list of conditions and the following disclaimer.
012   * Redistributions in binary form must reproduce the above copyright notice, 
013     this list of conditions and the following disclaimer in the documentation 
014     and/or other materials provided with the distribution.
015   * Neither the name of HL7 nor the names of its contributors may be used to 
016     endorse or promote products derived from this software without specific 
017     prior written permission.
018  
019  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
020  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
021  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
022  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
023  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
024  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
025  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
027  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
028  POSSIBILITY OF SUCH DAMAGE.
029  
030 */
031
032import java.io.FileNotFoundException;
033import java.io.FileOutputStream;
034import java.io.IOException;
035import java.io.PrintStream;
036import java.io.UnsupportedEncodingException;
037import java.nio.charset.StandardCharsets;
038import java.util.Arrays;
039import java.util.List;
040
041import lombok.extern.slf4j.Slf4j;
042import org.hl7.fhir.utilities.MarkedToMoveToAdjunctPackage;
043import org.hl7.fhir.utilities.ToolingClientLogger;
044import org.hl7.fhir.utilities.Utilities;
045import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
046
047@MarkedToMoveToAdjunctPackage
048@Slf4j
049public class HTMLClientLogger extends BaseLogger implements ToolingClientLogger {
050  
051  private boolean req = false;
052  private PrintStream file;
053
054  public HTMLClientLogger(String log) throws IOException {
055    if (log != null) {
056      try {
057        file = new PrintStream(ManagedFileAccess.outStream(log));
058      } catch (FileNotFoundException e) {
059      }
060    }
061  }
062
063  @Override
064  public void logRequest(String method, String url, List<String> headers, byte[] body) {
065
066    log.debug(" txlog req: " +method+" "+url+" "+present(body));
067
068    if (file == null)
069      return;
070    String id = nextId();
071    file.println("<hr/><a name=\"l"+id+"\"> </a>");
072    file.println("<p>#"+id+"</p>");
073    file.println("<pre>");
074    file.println(method+" "+url+" HTTP/1.0");
075    if (headers != null) {
076      for (String s : headers) {  
077        file.println(Utilities.escapeXmlText(s));
078      }
079    }
080    if (body != null) {
081      if (body.length > 100000) {
082        body = Arrays.copyOf(body, 100000);
083      }
084      file.println("");
085      file.println(Utilities.escapeXmlText(new String(body, StandardCharsets.UTF_8)));
086    }
087    file.println("</pre>");
088    req = true;
089  }
090
091  @Override
092  public void logResponse(String outcome, List<String> headers, byte[] body, long start) {
093
094    log.debug(" txlog resp: " +outcome+" "+present(body));
095
096
097    if (file == null)
098      return;
099    if (!req) {
100      log.info("Record Response without request");
101    }
102    req = false;
103    file.println("<pre>");
104    file.println(outcome);
105    for (String s : headers)  
106      file.println(Utilities.escapeXml(s));
107    if (body != null) {
108      file.println("");
109      try {
110        file.println(Utilities.escapeXml(new String(body, "UTF-8")));
111      } catch (UnsupportedEncodingException e) {
112      }
113    }
114    file.println("</pre>");
115  }
116
117  private String present(byte[] body) {
118    if (body == null) {
119      return "";
120    }
121    String cnt = new String(body);
122    cnt = cnt.replace("\n", " ").replace("\r", "");
123    if (cnt.length() > 800) {
124      return cnt.substring(0, 798)+"...";
125    } else {
126      return cnt;
127    }
128  }
129
130
131}