SONAR-16591 remove PMD dependency and related, deprecated code

9 files changed, 0 insertions, 653 deletions

diff --git a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/SourceCode.java b/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/SourceCode.java
deleted file mode 100644
index ba7fc84021c..00000000000
--- a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/SourceCode.java
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-/**
- * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
- */
-package net.sourceforge.pmd.cpd;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStreamReader;
-import java.io.LineNumberReader;
-import java.io.Reader;
-import java.io.StringReader;
-import java.lang.ref.SoftReference;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * <p>Not intended to be instantiated by clients.</p>
- *
- * @since 2.2
- * @deprecated since 5.5
- */
-@Deprecated
-public class SourceCode {
-
-  public static final String EOL = System.getProperty("line.separator", "\n");
-
-  public abstract static class CodeLoader {
-    private SoftReference<List<String>> code;
-
-    public List<String> getCode() {
-      List<String> c = null;
-      if (code != null) {
-        c = code.get();
-      }
-      if (c != null) {
-        return c;
-      }
-      this.code = new SoftReference<>(load());
-      return code.get();
-    }
-
-    public abstract String getFileName();
-
-    protected abstract Reader getReader() throws Exception;
-
-    protected List<String> load() {
-      try (LineNumberReader lnr = new LineNumberReader(getReader())) {
-        List<String> lines = new ArrayList<>();
-        String currentLine;
-        while ((currentLine = lnr.readLine()) != null) {
-          lines.add(currentLine);
-        }
-        return lines;
-      } catch (Exception e) {
-        throw new IllegalStateException("Problem while reading " + getFileName() + ":" + e.getMessage(), e);
-      }
-    }
-  }
-
-  public static class FileCodeLoader extends CodeLoader {
-    private File file;
-    private String encoding;
-
-    public FileCodeLoader(File file, String encoding) {
-      this.file = file;
-      this.encoding = encoding;
-    }
-
-    @Override
-    public Reader getReader() throws Exception {
-      return new InputStreamReader(new FileInputStream(file), encoding);
-    }
-
-    @Override
-    public String getFileName() {
-      return this.file.getAbsolutePath();
-    }
-  }
-
-  public static class StringCodeLoader extends CodeLoader {
-    public static final String DEFAULT_NAME = "CODE_LOADED_FROM_STRING";
-
-    private String sourceCode;
-
-    private String name;
-
-    public StringCodeLoader(String code) {
-      this(code, DEFAULT_NAME);
-    }
-
-    public StringCodeLoader(String code, String name) {
-      this.sourceCode = code;
-      this.name = name;
-    }
-
-    @Override
-    public Reader getReader() {
-      return new StringReader(sourceCode);
-    }
-
-    @Override
-    public String getFileName() {
-      return name;
-    }
-  }
-
-  private CodeLoader cl;
-
-  public SourceCode(CodeLoader cl) {
-    this.cl = cl;
-  }
-
-  public List<String> getCode() {
-    return cl.getCode();
-  }
-
-  public StringBuffer getCodeBuffer() {
-    StringBuffer sb = new StringBuffer();
-    List<String> lines = cl.getCode();
-    for (String line : lines) {
-      sb.append(line);
-      sb.append(EOL);
-    }
-    return sb;
-  }
-
-  public String getSlice(int startLine, int endLine) {
-    StringBuffer sb = new StringBuffer();
-    List lines = cl.getCode();
-    for (int i = (startLine == 0 ? startLine : (startLine - 1)); i < endLine && i < lines.size(); i++) {
-      if (sb.length() != 0) {
-        sb.append(EOL);
-      }
-      sb.append((String) lines.get(i));
-    }
-    return sb.toString();
-  }
-
-  /**
-   * Within Sonar Ecosystem - absolute path to file containing code,
-   * whereas in fact existence of such file not guaranteed - see {@link StringCodeLoader}.
-   */
-  public String getFileName() {
-    return cl.getFileName();
-  }
-}
diff --git a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/TokenEntry.java b/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/TokenEntry.java
deleted file mode 100644
index 7bf20176431..00000000000
--- a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/TokenEntry.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-/**
- * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
- */
-package net.sourceforge.pmd.cpd;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * @since 2.2
- * @deprecated since 5.5
- */
-@Deprecated
-public class TokenEntry implements Comparable<TokenEntry> {
-
-  private static final Map<String, Integer> TOKENS = new HashMap<>();
-  private static int tokenCount = 0;
-
-  /**
-   * Shared instance of end-of-file token.
-   *
-   * <p>Not intended to be used by clients - {@link #getEOF()} should be used instead.</p>
-   */
-  public static final TokenEntry EOF = new TokenEntry();
-
-  private String tokenSrcID;
-  private int beginLine;
-  private int index;
-  private int identifier;
-  private int hashCode;
-
-  private final String value;
-
-  private TokenEntry() {
-    this.identifier = 0;
-    this.tokenSrcID = "EOFMarker";
-    this.value = "";
-  }
-
-  /**
-   * @param image string representation of token
-   * @param tokenSrcID within Sonar Ecosystem - absolute path to file, otherwise current implementation of sonar-cpd-plugin will not work
-   * @param beginLine number of line
-   */
-  public TokenEntry(String image, String tokenSrcID, int beginLine) {
-    Integer i = TOKENS.get(image);
-    if (i == null) {
-      i = TOKENS.size() + 1;
-      TOKENS.put(image, i);
-    }
-    this.identifier = i;
-    this.tokenSrcID = tokenSrcID;
-    this.beginLine = beginLine;
-    this.index = tokenCount++;
-    this.value = image;
-  }
-
-  /**
-   * For internal use only.
-   *
-   * @since 2.14
-   */
-  public String getValue() {
-    return value;
-  }
-
-  /**
-   * End-of-file token.
-   */
-  public static TokenEntry getEOF() {
-    tokenCount++;
-    return EOF;
-  }
-
-  public static void clearImages() {
-    TOKENS.clear();
-    tokenCount = 0;
-  }
-
-  public String getTokenSrcID() {
-    return tokenSrcID;
-  }
-
-  public int getBeginLine() {
-    return beginLine;
-  }
-
-  public int getIdentifier() {
-    return this.identifier;
-  }
-
-  public int getIndex() {
-    return this.index;
-  }
-
-  @Override
-  public int hashCode() {
-    return hashCode;
-  }
-
-  public void setHashCode(int hashCode) {
-    this.hashCode = hashCode;
-  }
-
-  @Override
-  public boolean equals(Object o) {
-    if (!(o instanceof TokenEntry)) {
-      return false;
-    }
-    TokenEntry other = (TokenEntry) o;
-    return other.hashCode == hashCode;
-  }
-
-  @Override
-  public int compareTo(TokenEntry other) {
-    return getIndex() - other.getIndex();
-  }
-
-  @Override
-  public String toString() {
-    StringBuilder sb = new StringBuilder("TokenEntry{");
-    sb.append("tokenSrcID='").append(tokenSrcID).append('\'');
-    sb.append(", beginLine=").append(beginLine);
-    sb.append(", index=").append(index);
-    sb.append(", identifier=").append(identifier);
-    sb.append(", hashCode=").append(hashCode);
-    sb.append(", value='").append(value).append('\'');
-    sb.append('}');
-    return sb.toString();
-  }
-}
diff --git a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/Tokenizer.java b/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/Tokenizer.java
deleted file mode 100644
index c5580a905a3..00000000000
--- a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/Tokenizer.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-/**
- * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
- */
-package net.sourceforge.pmd.cpd;
-
-import java.io.IOException;
-
-/**
- * A tokenizer is responsible to return a token list for the provided input file (see {@link SourceCode#getFileName()}.
- * Tokens are basically list of non empty words in a file but you can also do some "anonymization" to ignore litteral differences.
- * 
- * For example if you have a first file:
- * <pre>
- * public class MyClass1 {
- *   int foo1;
- * }
- * </pre>
- * and a second file:
- * <pre>
- * public class MyClass2 {
- *   int foo2;
- * }
- * </pre>
- * Then in both cases your tokenizer could return the following (line, image) list:
- * <pre>(1,public),(1,class),(1,LITERAL),(1,{),(2,int),(2,LITERAL),(2,;),(3,})</pre>
- * in this case the two files will be considered as duplicate.
- * 
- * @since 2.2
- * @deprecated since 5.5
- */
-@Deprecated
-public interface Tokenizer {
-
-  void tokenize(SourceCode sourceFile, Tokens tokenEntries) throws IOException;
-
-}
diff --git a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/Tokens.java b/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/Tokens.java
deleted file mode 100644
index df9799380f4..00000000000
--- a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/Tokens.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-/**
- * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
- */
-package net.sourceforge.pmd.cpd;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-/**
- * <p>Not intended to be instantiated by clients.</p>
- *
- * @since 2.2
- * @deprecated since 5.5
- */
-@Deprecated
-public class Tokens {
-
-  private List<TokenEntry> entries = new ArrayList<>();
-
-  public void add(TokenEntry tokenEntry) {
-    this.entries.add(tokenEntry);
-  }
-
-  public Iterator<TokenEntry> iterator() {
-    return entries.iterator();
-  }
-
-  public int size() {
-    return entries.size();
-  }
-
-  public List<TokenEntry> getTokens() {
-    return entries;
-  }
-
-}
diff --git a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/package-info.java b/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/package-info.java
deleted file mode 100644
index 2b1977c871b..00000000000
--- a/sonar-duplications/src/main/java/net/sourceforge/pmd/cpd/package-info.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-/**
- * Provides a basic framework to sequentially read any kind of character stream and create list of tokens.
- *
- * The entry point of this framework is the {@link org.sonar.duplications.token.TokenChunker} class.
- */
-@ParametersAreNonnullByDefault
-package net.sourceforge.pmd.cpd;
-
-import javax.annotation.ParametersAreNonnullByDefault;
-
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/cpd/CodeLoaderWithoutCache.java b/sonar-duplications/src/main/java/org/sonar/duplications/cpd/CodeLoaderWithoutCache.java
deleted file mode 100644
index 41c48da888d..00000000000
--- a/sonar-duplications/src/main/java/org/sonar/duplications/cpd/CodeLoaderWithoutCache.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.duplications.cpd;
-
-import java.util.List;
-
-import net.sourceforge.pmd.cpd.SourceCode.CodeLoader;
-
-public abstract class CodeLoaderWithoutCache extends CodeLoader {
-
-  @Override
-  public final List<String> getCode() {
-    return load();
-  }
-}
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/cpd/FileCodeLoaderWithoutCache.java b/sonar-duplications/src/main/java/org/sonar/duplications/cpd/FileCodeLoaderWithoutCache.java
deleted file mode 100644
index f30db7f44e7..00000000000
--- a/sonar-duplications/src/main/java/org/sonar/duplications/cpd/FileCodeLoaderWithoutCache.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.duplications.cpd;
-
-import java.io.Reader;
-
-public class FileCodeLoaderWithoutCache extends CodeLoaderWithoutCache {
-
-  private final String fileName;
-  private final Reader fileReader;
-
-  public FileCodeLoaderWithoutCache(String fileName, Reader fileReader) {
-    this.fileName = fileName;
-    this.fileReader = fileReader;
-  }
-
-  @Override
-  public Reader getReader() throws Exception {
-    return fileReader;
-  }
-
-  @Override
-  public String getFileName() {
-    return fileName;
-  }
-}
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/cpd/package-info.java b/sonar-duplications/src/main/java/org/sonar/duplications/cpd/package-info.java
deleted file mode 100644
index 4602f8c1b55..00000000000
--- a/sonar-duplications/src/main/java/org/sonar/duplications/cpd/package-info.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-@ParametersAreNonnullByDefault
-package org.sonar.duplications.cpd;
-
-import javax.annotation.ParametersAreNonnullByDefault;
-
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/internal/pmd/TokenizerBridge.java b/sonar-duplications/src/main/java/org/sonar/duplications/internal/pmd/TokenizerBridge.java
deleted file mode 100644
index 4c0ff81f631..00000000000
--- a/sonar-duplications/src/main/java/org/sonar/duplications/internal/pmd/TokenizerBridge.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2022 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.duplications.internal.pmd;
-
-import java.io.Reader;
-import java.util.ArrayList;
-import java.util.List;
-import net.sourceforge.pmd.cpd.SourceCode;
-import net.sourceforge.pmd.cpd.TokenEntry;
-import net.sourceforge.pmd.cpd.Tokenizer;
-import net.sourceforge.pmd.cpd.Tokens;
-import org.sonar.api.batch.sensor.cpd.internal.TokensLine;
-import org.sonar.duplications.block.Block;
-import org.sonar.duplications.cpd.FileCodeLoaderWithoutCache;
-
-/**
- * Bridge, which allows to convert list of {@link TokenEntry} produced by {@link Tokenizer} into list of {@link TokensLine}s.
- */
-public class TokenizerBridge {
-
-  private final Tokenizer tokenizer;
-  private final PmdBlockChunker blockBuilder;
-
-  public TokenizerBridge(Tokenizer tokenizer, int blockSize) {
-    this.tokenizer = tokenizer;
-    this.blockBuilder = new PmdBlockChunker(blockSize);
-  }
-
-  public List<Block> chunk(String resourceId, String fileName, Reader fileReader) {
-    return blockBuilder.chunk(resourceId, chunk(fileName, fileReader));
-  }
-
-  public List<TokensLine> chunk(String fileName, Reader fileReader) {
-    SourceCode sourceCode = new SourceCode(new FileCodeLoaderWithoutCache(fileName, fileReader));
-    Tokens tokens = new Tokens();
-    TokenEntry.clearImages();
-    try {
-      tokenizer.tokenize(sourceCode, tokens);
-    } catch (RuntimeException e) {
-      throw e;
-    } catch (Exception e) {
-      throw new RuntimeException(e);
-    }
-    TokenEntry.clearImages();
-    return convert(tokens.getTokens());
-  }
-
-  /**
-   * We expect that implementation of {@link Tokenizer} is correct:
-   * tokens ordered by occurrence in source code and last token is EOF.
-   */
-  public static List<TokensLine> convert(List<TokenEntry> tokens) {
-    List<TokensLine> result = new ArrayList<>();
-    StringBuilder sb = new StringBuilder();
-    int startLine = Integer.MIN_VALUE;
-    int startIndex = 0;
-    int currentIndex = 0;
-    for (TokenEntry token : tokens) {
-      if (token != TokenEntry.EOF) {
-        String value = token.getValue();
-        int line = token.getBeginLine();
-        if (line != startLine) {
-          addNewTokensLine(result, startIndex, currentIndex, startLine, sb);
-          startIndex = currentIndex + 1;
-          startLine = line;
-        }
-        currentIndex++;
-        sb.append(value);
-      }
-    }
-    addNewTokensLine(result, startIndex, currentIndex, startLine, sb);
-    return result;
-  }
-
-  private static void addNewTokensLine(List<TokensLine> result, int startUnit, int endUnit, int startLine, StringBuilder sb) {
-    if (sb.length() != 0) {
-      result.add(new TokensLine(startUnit, endUnit, startLine, sb.toString()));
-      sb.setLength(0);
-    }
-  }
-
-}