/src/logging-log4cxx/src/main/cpp/htmllayout.cpp

Source
/*
 * 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.
 */

#include <log4cxx/logstring.h>
#include <log4cxx/htmllayout.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/helpers/optionconverter.h>
#include <log4cxx/level.h>
#include <log4cxx/helpers/transform.h>
#include <log4cxx/helpers/iso8601dateformat.h>
#include <log4cxx/helpers/stringhelper.h>
#include <log4cxx/helpers/transcoder.h>
#include <log4cxx/helpers/date.h>

using namespace LOG4CXX_NS;
using namespace LOG4CXX_NS::helpers;
using namespace LOG4CXX_NS::spi;

struct HTMLLayout::HTMLLayoutPrivate
{
  HTMLLayoutPrivate()
    : locationInfo(false)
    , title(LOG4CXX_STR("Log4cxx Log Messages"))
    , dateFormat()
    , expectedPatternLength(100)
    {}

  // Print no location info by default
  bool locationInfo; //= false

  LogString title;

  helpers::ISO8601DateFormat dateFormat;

  // Expected length of a formatted event excluding the message text
  size_t expectedPatternLength;
};

IMPLEMENT_LOG4CXX_OBJECT(HTMLLayout)


HTMLLayout::HTMLLayout()
  : m_priv(std::make_unique<HTMLLayoutPrivate>())
{
  m_priv->dateFormat.setTimeZone(TimeZone::getGMT());
  m_priv->expectedPatternLength = getFormattedEventCharacterCount() * 2;
}

HTMLLayout::~HTMLLayout() {}


void HTMLLayout::setOption(const LogString& option,
  const LogString& value)
{

  if (StringHelper::equalsIgnoreCase(option,
      LOG4CXX_STR("TITLE"), LOG4CXX_STR("title")))
  {
    setTitle(value);
  }
  else if (StringHelper::equalsIgnoreCase(option,
      LOG4CXX_STR("LOCATIONINFO"), LOG4CXX_STR("locationinfo")))
  {
    setLocationInfo(OptionConverter::toBoolean(value, false));
    m_priv->expectedPatternLength = getFormattedEventCharacterCount() * 2;
  }
}

void HTMLLayout::format(LogString& output,
  const spi::LoggingEventPtr& event,
  Pool& p) const
{
  auto& lsMsg = event->getRenderedMessage();
  output.reserve(m_priv->expectedPatternLength + lsMsg.size());
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<tr>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<td>"));

  m_priv->dateFormat.format(output, event->getTimeStamp(), p);


  output.append(LOG4CXX_STR("</td>"));
  output.append(LOG4CXX_EOL);

  output.append(LOG4CXX_STR("<td title=\""));
  LogString threadName(event->getThreadName());
  Transform::appendEscapingTags(output, threadName);
  output.append(LOG4CXX_STR(" thread\">"));
  Transform::appendEscapingTags(output, threadName);
  output.append(LOG4CXX_STR("</td>"));
  output.append(LOG4CXX_EOL);

  output.append(LOG4CXX_STR("<td title=\"Level\">"));

  if (event->getLevel()->equals(Level::getDebug()))
  {
    output.append(LOG4CXX_STR("<font color=\"#339933\">"));
    Transform::appendEscapingTags(output, event->getLevel()->toString());
    output.append(LOG4CXX_STR("</font>"));
  }
  else if (event->getLevel()->isGreaterOrEqual(Level::getWarn()))
  {
    output.append(LOG4CXX_STR("<font color=\"#993300\"><strong>"));
    Transform::appendEscapingTags(output, event->getLevel()->toString());
    output.append(LOG4CXX_STR("</strong></font>"));
  }
  else
  {
    Transform::appendEscapingTags(output, event->getLevel()->toString());
  }

  output.append(LOG4CXX_STR("</td>"));
  output.append(LOG4CXX_EOL);

  output.append(LOG4CXX_STR("<td title=\""));
  Transform::appendEscapingTags(output, event->getLoggerName());
  output.append(LOG4CXX_STR(" logger\">"));
  Transform::appendEscapingTags(output, event->getLoggerName());
  output.append(LOG4CXX_STR("</td>"));
  output.append(LOG4CXX_EOL);

  if (m_priv->locationInfo)
  {
    output.append(LOG4CXX_STR("<td>"));
    const LocationInfo& locInfo = event->getLocationInformation();
    LOG4CXX_DECODE_CHAR(fileName, locInfo.getFileName());
    Transform::appendEscapingTags(output, fileName);
    output.append(1, (logchar) 0x3A /* ':' */);
    int line = event->getLocationInformation().getLineNumber();

    if (line != 0)
    {
      StringHelper::toString(line, p, output);
    }

    output.append(LOG4CXX_STR("</td>"));
    output.append(LOG4CXX_EOL);
  }

  output.append(LOG4CXX_STR("<td title=\"Message\">"));
  Transform::appendEscapingTags(output, lsMsg);
  output.append(LOG4CXX_STR("</td>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("</tr>"));
  output.append(LOG4CXX_EOL);

  LogString ndcVal;

  if (event->getNDC(ndcVal))
  {
    output.append(LOG4CXX_STR("<tr><td bgcolor=\"#EEEEEE\" "));
    output.append(LOG4CXX_STR("style=\"font-size : xx-small;\" colspan=\"6\" "));
    output.append(LOG4CXX_STR("title=\"Nested Diagnostic Context\">"));
    output.append(LOG4CXX_STR("NDC: "));
    Transform::appendEscapingTags(output, ndcVal);
    output.append(LOG4CXX_STR("</td></tr>"));
    output.append(LOG4CXX_EOL);
  }
}

void HTMLLayout::appendHeader(LogString& output, Pool& p)
{
  output.append(LOG4CXX_STR("<!DOCTYPE HTML PUBLIC "));
  output.append(LOG4CXX_STR("\"-//W3C//DTD HTML 4.01 Transitional//EN\" "));
  output.append(LOG4CXX_STR("\"http://www.w3.org/TR/html4/loose.dtd\">"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<html>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<head>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<title>"));
  Transform::appendEscapingTags(output, m_priv->title);
  output.append(LOG4CXX_STR("</title>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<style type=\"text/css\">"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<!--"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("body, table {font-family: arial,sans-serif; font-size: x-small;}"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("th {background: #336699; color: #FFFFFF; text-align: left;}"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("-->"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("</style>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("</head>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<body bgcolor=\"#FFFFFF\" topmargin=\"6\" leftmargin=\"6\">"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<hr size=\"1\" noshade>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("Log session start time "));

  m_priv->dateFormat.format(output, Date::currentTime(), p);

  output.append(LOG4CXX_STR("<br>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<br>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<table cellspacing=\"0\" cellpadding=\"4\" border=\"1\" bordercolor=\"#224466\" width=\"100%\">"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<tr>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<th>Time</th>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<th>Thread</th>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<th>Level</th>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<th>Logger</th>"));
  output.append(LOG4CXX_EOL);

  if (m_priv->locationInfo)
  {
    output.append(LOG4CXX_STR("<th>File:Line</th>"));
    output.append(LOG4CXX_EOL);
  }

  output.append(LOG4CXX_STR("<th>Message</th>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("</tr>"));
  output.append(LOG4CXX_EOL);
}

void HTMLLayout::appendFooter(LogString& output, Pool& /* pool */ )
{
  output.append(LOG4CXX_STR("</table>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("<br>"));
  output.append(LOG4CXX_EOL);
  output.append(LOG4CXX_STR("</body></html>"));
}

void HTMLLayout::setLocationInfo(bool locationInfoFlag)
{
  m_priv->locationInfo = locationInfoFlag;
}

bool HTMLLayout::getLocationInfo() const
{
  return m_priv->locationInfo;
}

void HTMLLayout::setTitle(const LogString& title1)
{
  m_priv->title.assign(title1);
}

const LogString& HTMLLayout::getTitle() const
{
  return m_priv->title;
}

LogString HTMLLayout::getContentType() const
{
  return LOG4CXX_STR("text/html");
}

bool HTMLLayout::ignoresThrowable() const
{
  return false;
}

Coverage Report

Created: 2025-12-11 06:34