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
032
033
034import java.io.FileNotFoundException;
035import java.io.FileOutputStream;
036import java.io.IOException;
037import java.io.PrintStream;
038import java.io.UnsupportedEncodingException;
039import java.util.List;
040
041import org.hl7.fhir.utilities.ToolingClientLogger;
042import org.hl7.fhir.utilities.Utilities;
043import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
044
045public class HTMLClientLogger extends BaseLogger implements ToolingClientLogger {
046
047  private static final boolean DEBUG = false;
048  
049  private boolean req = false;
050  private PrintStream file;
051
052  public HTMLClientLogger(String log) throws IOException {
053    if (log != null) {
054      try {
055        file = new PrintStream(ManagedFileAccess.outStream(log));
056      } catch (FileNotFoundException e) {
057      }
058    }
059  }
060
061  @Override
062  public void logRequest(String method, String url, List<String> headers, byte[] body) {
063    if (DEBUG) {
064      System.out.println(" txlog req: " +method+" "+url+" "+present(body));
065    }
066    if (file == null)
067      return;
068    String id = nextId();
069    file.println("<hr/><a name=\"l"+id+"\"> </a>");
070    file.println("<p>#"+id+"</p>");
071    file.println("<pre>");
072    file.println(method+" "+url+" HTTP/1.0");
073    if (headers != null) {
074      for (String s : headers) {  
075        file.println(Utilities.escapeXml(s));
076      }
077    }
078    if (body != null) {
079      file.println("");
080      try {
081        file.println(Utilities.escapeXml(new String(body, "UTF-8")));
082      } catch (UnsupportedEncodingException e) {
083      }
084    }
085    file.println("</pre>");
086    req = true;
087  }
088
089  @Override
090  public void logResponse(String outcome, List<String> headers, byte[] body) {
091    if (DEBUG) {
092      System.out.println(" txlog resp: " +outcome+" "+present(body));
093    }
094
095    if (file == null)
096      return;
097    if (!req) {
098      System.out.println("Record Response without request");
099    }
100    req = false;
101    file.println("<pre>");
102    file.println(outcome);
103    for (String s : headers)  
104      file.println(Utilities.escapeXml(s));
105    if (body != null) {
106      file.println("");
107      try {
108        file.println(Utilities.escapeXml(new String(body, "UTF-8")));
109      } catch (UnsupportedEncodingException e) {
110      }
111    }
112    file.println("</pre>");
113  }
114
115  private String present(byte[] body) {
116    if (body == null) {
117      return "";
118    }
119    String cnt = new String(body);
120    cnt = cnt.replace("\n", " ").replace("\r", "");
121    if (cnt.length() > 800) {
122      return cnt.substring(0, 798)+"...";
123    } else {
124      return cnt;
125    }
126  }
127
128
129}