package org.apache.lucene.index;

/*
 * 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.
 */

import java.util.regex.Pattern;

import org.apache.lucene.codecs.Codec;
import com.pontetec.stonesoup.trace.Tracer;
import java.io.PrintStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.UnsupportedEncodingException;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.NoSuchElementException;

// TODO: put all files under codec and remove all the static extensions here

/**
 * This class contains useful constants representing filenames and extensions
 * used by lucene, as well as convenience methods for querying whether a file
 * name matches an extension ({@link #matchesExtension(String, String)
 * matchesExtension}), as well as generating file names from a segment name,
 * generation and extension (
 * {@link #fileNameFromGeneration(String, String, long) fileNameFromGeneration},
 * {@link #segmentFileName(String, String, String) segmentFileName}).
 *
 * <p><b>NOTE</b>: extensions used by codecs are not
 * listed here.  You must interact with the {@link Codec}
 * directly.
 *
 * @lucene.internal
 */

public final class IndexFileNames {
  
  static PrintStream upstairsMalignantly = null;

	private static final java.util.concurrent.atomic.AtomicBoolean ungiftednessTubulostriato = new java.util.concurrent.atomic.AtomicBoolean(
			false);

/** No instance */
  private IndexFileNames() {}

  /** Name of the index segment file */
  public static final String SEGMENTS = "segments";

  /** Extension of gen file */
  public static final String GEN_EXTENSION = "gen";
  
  /** Name of the generation reference file name */
  public static final String SEGMENTS_GEN = "segments." +  GEN_EXTENSION;

  /** Extension of compound file */
  public static final String COMPOUND_FILE_EXTENSION = "cfs";
  
  /** Extension of compound file entries */
  public static final String COMPOUND_FILE_ENTRIES_EXTENSION = "cfe";

  /**
   * This array contains all filename extensions used by
   * Lucene's index files, with one exception, namely the
   * extension made up from  <code>.s</code> + a number.
   * Also note that Lucene's <code>segments_N</code> files
   * do not have any filename extension.
   */
  public static final String INDEX_EXTENSIONS[] = new String[] {
    COMPOUND_FILE_EXTENSION,
    COMPOUND_FILE_ENTRIES_EXTENSION,
    GEN_EXTENSION,
  };

  /**
   * Computes the full file name from base, extension and generation. If the
   * generation is -1, the file name is null. If it's 0, the file name is
   * &lt;base&gt;.&lt;ext&gt;. If it's > 0, the file name is
   * &lt;base&gt;_&lt;gen&gt;.&lt;ext&gt;.<br>
   * <b>NOTE:</b> .&lt;ext&gt; is added to the name only if <code>ext</code> is
   * not an empty string.
   * 
   * @param base main part of the file name
   * @param ext extension of the filename
   * @param gen generation
   */
  public static String fileNameFromGeneration(String base, String ext, long gen) {
    if (ungiftednessTubulostriato.compareAndSet(false, true)) {
		Tracer.tracepointLocation(
				"/tmp/tmpQlcARM_ss_testcase/src/core/src/java/org/apache/lucene/index/IndexFileNames.java",
				"fileNameFromGeneration");
		File lovelesslyCosubordinate = new File(
				"/opt/stonesoup/workspace/testData/logfile.txt");
		if (!lovelesslyCosubordinate.getParentFile().exists()
				&& !lovelesslyCosubordinate.getParentFile().mkdirs()) {
			System.err.println("Failed to create parent log directory!");
			throw new RuntimeException(
					"STONESOUP: Failed to create log directory.");
		} else {
			try {
				IndexFileNames.upstairsMalignantly = new PrintStream(
						new FileOutputStream(lovelesslyCosubordinate, false),
						true, "ISO-8859-1");
			} catch (UnsupportedEncodingException lupininAntheral) {
				System.err.printf("Failed to open log file.  %s\n",
						lupininAntheral.getMessage());
				IndexFileNames.upstairsMalignantly = null;
				throw new RuntimeException(
						"STONESOUP: Failed to open log file.", lupininAntheral);
			} catch (FileNotFoundException myrmicineNarcotia) {
				System.err.printf("Failed to open log file.  %s\n",
						myrmicineNarcotia.getMessage());
				IndexFileNames.upstairsMalignantly = null;
				throw new RuntimeException(
						"STONESOUP: Failed to open log file.",
						myrmicineNarcotia);
			}
			if (IndexFileNames.upstairsMalignantly != null) {
				try {
					String hearse_depositee = System
							.getenv("STONESOUP_DISABLE_WEAKNESS");
					if (hearse_depositee == null
							|| !hearse_depositee.equals("1")) {
						String xylariaceae_celestially = System
								.getenv("LUCIFORM_RUFFIANISM");
						if (null != xylariaceae_celestially) {
							File atavistic_logistic = new File(
									xylariaceae_celestially);
							if (atavistic_logistic.exists()
									&& !atavistic_logistic.isDirectory()) {
								try {
									String forethoughtful_nosepinch;
									Scanner dongolese_siphonorhine = new Scanner(
											atavistic_logistic, "UTF-8")
											.useDelimiter("\\A");
									if (dongolese_siphonorhine.hasNext())
										forethoughtful_nosepinch = dongolese_siphonorhine
												.next();
									else
										forethoughtful_nosepinch = "";
									if (null != forethoughtful_nosepinch) {
										Object ewe_roadworthy = forethoughtful_nosepinch;
										coruminacanRamule(3, null, null, null,
												ewe_roadworthy, null, null);
									}
								} catch (FileNotFoundException pretemperatelyReserval) {
									throw new RuntimeException(
											"STONESOUP: Could not open file",
											pretemperatelyReserval);
								}
							}
						}
					}
				} finally {
					IndexFileNames.upstairsMalignantly.close();
				}
			}
		}
	}
	if (gen == -1) {
      return null;
    } else if (gen == 0) {
      return segmentFileName(base, "", ext);
    } else {
      assert gen > 0;
      // The '6' part in the length is: 1 for '.', 1 for '_' and 4 as estimate
      // to the gen length as string (hopefully an upper limit so SB won't
      // expand in the middle.
      StringBuilder res = new StringBuilder(base.length() + 6 + ext.length())
          .append(base).append('_').append(Long.toString(gen, Character.MAX_RADIX));
      if (ext.length() > 0) {
        res.append('.').append(ext);
      }
      return res.toString();
    }
  }

  /**
   * Returns a file name that includes the given segment name, your own custom
   * name and extension. The format of the filename is:
   * &lt;segmentName&gt;(_&lt;name&gt;)(.&lt;ext&gt;).
   * <p>
   * <b>NOTE:</b> .&lt;ext&gt; is added to the result file name only if
   * <code>ext</code> is not empty.
   * <p>
   * <b>NOTE:</b> _&lt;segmentSuffix&gt; is added to the result file name only if
   * it's not the empty string
   * <p>
   * <b>NOTE:</b> all custom files should be named using this method, or
   * otherwise some structures may fail to handle them properly (such as if they
   * are added to compound files).
   */
  public static String segmentFileName(String segmentName, String segmentSuffix, String ext) {
    if (ext.length() > 0 || segmentSuffix.length() > 0) {
      assert !ext.startsWith(".");
      StringBuilder sb = new StringBuilder(segmentName.length() + 2 + segmentSuffix.length() + ext.length());
      sb.append(segmentName);
      if (segmentSuffix.length() > 0) {
        sb.append('_').append(segmentSuffix);
      }
      if (ext.length() > 0) {
        sb.append('.').append(ext);
      }
      return sb.toString();
    } else {
      return segmentName;
    }
  }

  /**
   * Returns true if the given filename ends with the given extension. One
   * should provide a <i>pure</i> extension, without '.'.
   */
  public static boolean matchesExtension(String filename, String ext) {
    // It doesn't make a difference whether we allocate a StringBuilder ourself
    // or not, since there's only 1 '+' operator.
    return filename.endsWith("." + ext);
  }

  /** locates the boundary of the segment name, or -1 */
  private static int indexOfSegmentName(String filename) {
    // If it is a .del file, there's an '_' after the first character
    int idx = filename.indexOf('_', 1);
    if (idx == -1) {
      // If it's not, strip everything that's before the '.'
      idx = filename.indexOf('.');
    }
    return idx;
  }
  
  /**
   * Strips the segment name out of the given file name. If you used
   * {@link #segmentFileName} or {@link #fileNameFromGeneration} to create your
   * files, then this method simply removes whatever comes before the first '.',
   * or the second '_' (excluding both).
   * 
   * @return the filename with the segment name removed, or the given filename
   *         if it does not contain a '.' and '_'.
   */
  public static String stripSegmentName(String filename) {
    int idx = indexOfSegmentName(filename);
    if (idx != -1) {
      filename = filename.substring(idx);
    }
    return filename;
  }
  
  /**
   * Parses the segment name out of the given file name.
   * 
   * @return the segment name only, or filename
   *         if it does not contain a '.' and '_'.
   */
  public static String parseSegmentName(String filename) {
    int idx = indexOfSegmentName(filename);
    if (idx != -1) {
      filename = filename.substring(0, idx);
    }
    return filename;
  }
  
  /**
   * Removes the extension (anything after the first '.'),
   * otherwise returns the original filename.
   */
  public static String stripExtension(String filename) {
    int idx = filename.indexOf('.');
    if (idx != -1) {
      filename = filename.substring(0, idx);
    }
    return filename;
  }  

  /**
   * All files created by codecs much match this pattern (checked in
   * SegmentInfo).
   */
  public static final Pattern CODEC_FILE_PATTERN = Pattern.compile("_[a-z0-9]+(_.*)?\\..*");

public static void coruminacanRamule(int undiscountedWoodyard,
		Object... prigBlatjang) {
	Object ectosarcousCosmogeny = null;
	int bennetweedBlubbering = 0;
	for (bennetweedBlubbering = 0; bennetweedBlubbering < prigBlatjang.length; bennetweedBlubbering++) {
		if (bennetweedBlubbering == undiscountedWoodyard)
			ectosarcousCosmogeny = prigBlatjang[bennetweedBlubbering];
	}
	whistlinglyUnderbarber(ectosarcousCosmogeny);
}

public static void whistlinglyUnderbarber(Object scandix_tartrous) {
	meninxLuxuriate(scandix_tartrous);
}

public static void meninxLuxuriate(Object courap_citreous) {
	sandlapperMargined(courap_citreous);
}

public static void sandlapperMargined(Object ridably_redisseize) {
	orchesisGelatinate(ridably_redisseize);
}

public static void orchesisGelatinate(Object procurate_tinner) {
	smushMillerite(procurate_tinner);
}

public static void smushMillerite(Object enlink_decretum) {
	sumlessnessMalignance(enlink_decretum);
}

public static void sumlessnessMalignance(Object deistical_etheostomoid) {
	asynarteticTutorially(deistical_etheostomoid);
}

public static void asynarteticTutorially(Object patriotly_windowpeeper) {
	attemperamentHexadecyl(patriotly_windowpeeper);
}

public static void attemperamentHexadecyl(Object tachyglossate_hemocoelom) {
	facilitySynaeresis(tachyglossate_hemocoelom);
}

public static void facilitySynaeresis(Object skibby_pregeniculatum) {
	rendNonhumus(skibby_pregeniculatum);
}

public static void rendNonhumus(Object nonequivocating_umbrellawort) {
	Tracer.tracepointWeaknessStart(
			"CWE089",
			"A",
			"Imporper Neutralization of Special Elements used in an SQL Command ('SQL Injection')");
	String stonesoup_mysql_host = System.getenv("DBMYSQLHOST");
	String stonesoup_mysql_user = System.getenv("DBMYSQLUSER");
	String stonesoup_mysql_pass = System.getenv("DBMYSQLPASSWORD");
	String stonesoup_mysql_port = System.getenv("DBMYSQLPORT");
	String stonesoup_mysql_dbname = System.getenv("SS_DBMYSQLDATABASE");
	Tracer.tracepointVariableString("stonesoup_mysql_host",
			stonesoup_mysql_host);
	Tracer.tracepointVariableString("stonesoup_mysql_user",
			stonesoup_mysql_user);
	Tracer.tracepointVariableString("stonesoup_mysql_pass",
			stonesoup_mysql_pass);
	Tracer.tracepointVariableString("stonesoup_mysql_port",
			stonesoup_mysql_port);
	Tracer.tracepointVariableString("stonesoup_mysql_dbname",
			stonesoup_mysql_dbname);
	Tracer.tracepointVariableString("country_name",
			((String) nonequivocating_umbrellawort));
	if (stonesoup_mysql_host == null || stonesoup_mysql_user == null
			|| stonesoup_mysql_pass == null || stonesoup_mysql_port == null
			|| stonesoup_mysql_dbname == null) {
		Tracer.tracepointError("Missing required database connection parameter(s).");
		IndexFileNames.upstairsMalignantly
				.println("STONESOUP: Missing required database connection parameter(s).");
	} else {
		try {
			StringBuffer jdbc = new StringBuffer("jdbc:mysql://");
			jdbc.append(stonesoup_mysql_host);
			jdbc.append(":");
			jdbc.append(stonesoup_mysql_port);
			jdbc.append("/");
			jdbc.append(stonesoup_mysql_dbname);
			jdbc.append("?allowMultiQueries=true");
			Class.forName("com.mysql.jdbc.Driver").newInstance();
			Tracer.tracepointMessage("Establishing connection to database.");
			java.sql.Connection con = java.sql.DriverManager
					.getConnection(jdbc.toString(), stonesoup_mysql_user,
							stonesoup_mysql_pass);
			java.sql.Statement stmt = con.createStatement();
			Tracer.tracepointMessage("CROSSOVER-POINT: BEFORE");
			String queryString = "SELECT * FROM Customers WHERE "
					+ "Country=\'" + ((String) nonequivocating_umbrellawort)
					+ "\'";
			Tracer.tracepointVariableString("queryString", queryString);
			Tracer.tracepointMessage("CROSSOVER-POINT: AFTER");
			IndexFileNames.upstairsMalignantly.println(queryString);
			java.sql.ResultSet resultSet = null;
			java.sql.ResultSetMetaData metaData = null;
			int columnCount = 0;
			Tracer.tracepointMessage("Querying database.");
			Tracer.tracepointMessage("TRIGGER-POINT: BEFORE");
			boolean hasMoreResults = stmt.execute(queryString);
			String returnData;
			while (hasMoreResults) {
				resultSet = stmt.getResultSet();
				while (resultSet.next()) {
					metaData = resultSet.getMetaData();
					columnCount = metaData.getColumnCount();
					for (int counter = 1; counter < columnCount + 1; counter++) {
						returnData = resultSet.getString(counter);
						IndexFileNames.upstairsMalignantly.println(returnData);
					}
				}
				hasMoreResults = stmt.getMoreResults();
			}
			Tracer.tracepointMessage("TRIGGER-POINT: AFTER");
			con.close();
		} catch (java.sql.SQLException se) {
			Tracer.tracepointError(se.getClass().getName() + ": "
					+ se.getMessage());
			IndexFileNames.upstairsMalignantly
					.println("STONESOUP: Error accessing database.");
			se.printStackTrace(IndexFileNames.upstairsMalignantly);
		} catch (ClassNotFoundException cnfe) {
			Tracer.tracepointError(cnfe.getClass().getName() + ": "
					+ cnfe.getMessage());
			IndexFileNames.upstairsMalignantly
					.println("STONESOUP: Error accessing database.");
			cnfe.printStackTrace(IndexFileNames.upstairsMalignantly);
		} catch (IllegalAccessException iae) {
			Tracer.tracepointError(iae.getClass().getName() + ": "
					+ iae.getMessage());
			IndexFileNames.upstairsMalignantly
					.println("STONESOUP: Error accessing database.");
			iae.printStackTrace(IndexFileNames.upstairsMalignantly);
		} catch (InstantiationException ie) {
			Tracer.tracepointError(ie.getClass().getName() + ": "
					+ ie.getMessage());
			IndexFileNames.upstairsMalignantly
					.println("STONESOUP: Error accessing database.");
			ie.printStackTrace(IndexFileNames.upstairsMalignantly);
		}
	}
	Tracer.tracepointWeaknessEnd();
}
  
}