How to use

getExtensionsPath

method

in

net.java.btrace.api.extensions.ExtensionsRepository

private List<File> getExtensionFiles() {
  extensionJarsLock.readLock().lock();
  List<File> jars = extensionJarsRef.get();
  if (jars == null) {
    try {
      extensionJarsLock.readLock().unlock();
      extensionJarsLock.writeLock().lock();
      jars = extensionJarsRef.get();
      if (jars == null) {
        jars = new ArrayList<File>();
        String extPath = getExtensionsPath();
        if (extPath != null) {
          StringTokenizer st = new StringTokenizer(extPath, File.pathSeparator);
          while (st.hasMoreTokens()) {
            collectJars(new File(st.nextToken()), jars);
          }
        }
        extensionJarsRef.set(jars);
        return jars;
      }
    } finally {
      extensionJarsLock.writeLock().unlock();
    }
  } else {
    extensionJarsLock.readLock().unlock();
  }
  return jars;
}

private List<File> getExtensionFiles() {
  extensionJarsLock.readLock().lock();
  List<File> jars = extensionJarsRef.get();
  if (jars == null) {
    try {
      extensionJarsLock.readLock().unlock();
      extensionJarsLock.writeLock().lock();
      jars = extensionJarsRef.get();
      if (jars == null) {
        jars = new ArrayList<File>();
        String extPath = getExtensionsPath();
        if (extPath != null) {
          StringTokenizer st = new StringTokenizer(extPath, File.pathSeparator);
          while (st.hasMoreTokens()) {
            collectJars(new File(st.nextToken()), jars);
          }
        }
        extensionJarsRef.set(jars);
        return jars;
      }
    } finally {
      extensionJarsLock.writeLock().unlock();
    }
  } else {
    extensionJarsLock.readLock().unlock();
  }
  return jars;
}

public Compiler(String includePath, boolean unsafe, ExtensionsRepository repository, JavaCompiler wrappedCompiler) {
  if (includePath != null) {
    includeDirs = new ArrayList<String>();
    String[] paths = includePath.split(File.pathSeparator);
    includeDirs.addAll(Arrays.asList(paths));
  }
  this.unsafe = unsafe;
  this.compiler = wrappedCompiler;
  this.stdManager = compiler.getStandardFileManager(null, null, null);
  this.repository = repository;
  this.dumpDir = System.getProperty("net.java.btrace.dumpDir", null);
  if (this.dumpDir == null) {
    try {
      File tmp = File.createTempFile("tmp", ".tst");
      this.dumpDir = tmp.getParent();
    } catch (IOException e) {
      BTraceLogger.debugPrint("*** unable to determina 'tmp' directory. dumps disabled.");
    }
  }
  if (BTraceLogger.isDebug()) {
    BTraceLogger.debugPrint("*** compiling with repository: " + repository.getExtensionsPath());
  }
}

  /**
   * Creates a new instance of {@linkplain ExtensionsRepository} which is a result of composition of other repositories
   * @param location Desired execution {@linkplain ExtensionsRepository.Location}
   * @param reps The repositories to wrap in composite
   * @return Returns a new instance of {@linkplain ExtensionsRepository}
   */
  public static ExtensionsRepository composite(ExtensionsRepository.Location location, ExtensionsRepository ... reps) {
    Set<String> paths = new HashSet<String>();
    StringBuilder sb = new StringBuilder();
    for(ExtensionsRepository rep : reps) {
      if (location == ExtensionsRepository.Location.BOTH || location == rep.getLocation()) {
        String ePath = rep.getExtensionsPath();
        if (ePath != null) {
          paths.add(ePath);
        }
      }
    }
    for(String path : paths) {
      if (sb.length() > 0) {
        sb.append(File.pathSeparatorChar);
      }
      sb.append(path);
    }
    return fixed(location, sb.toString());
  }
}

  /**
   * Creates a new instance of {@linkplain ExtensionsRepository} which is a result of composition of other repositories
   * @param location Desired execution {@linkplain ExtensionsRepository.Location}
   * @param reps The repositories to wrap in composite
   * @return Returns a new instance of {@linkplain ExtensionsRepository}
   */
  public static ExtensionsRepository composite(ExtensionsRepository.Location location, ExtensionsRepository ... reps) {
    Set<String> paths = new HashSet<String>();
    StringBuilder sb = new StringBuilder();
    for(ExtensionsRepository rep : reps) {
      if (location == ExtensionsRepository.Location.BOTH || location == rep.getLocation()) {
        String ePath = rep.getExtensionsPath();
        if (ePath != null) {
          paths.add(ePath);
        }
      }
    }
    for(String path : paths) {
      if (sb.length() > 0) {
        sb.append(File.pathSeparatorChar);
      }
      sb.append(path);
    }
    return fixed(location, sb.toString());
  }
}

public Compiler(String includePath, boolean unsafe, ExtensionsRepository repository, JavaCompiler wrappedCompiler) {
  if (includePath != null) {
    includeDirs = new ArrayList<String>();
    String[] paths = includePath.split(File.pathSeparator);
    includeDirs.addAll(Arrays.asList(paths));
  }
  this.unsafe = unsafe;
  this.compiler = wrappedCompiler;
  this.stdManager = compiler.getStandardFileManager(null, null, null);
  this.repository = repository;
  this.dumpDir = System.getProperty("net.java.btrace.dumpDir", null);
  if (this.dumpDir == null) {
    try {
      File tmp = File.createTempFile("tmp", ".tst");
      this.dumpDir = tmp.getParent();
    } catch (IOException e) {
      BTraceLogger.debugPrint("*** unable to determina 'tmp' directory. dumps disabled.");
    }
  }
  if (BTraceLogger.isDebug()) {
    BTraceLogger.debugPrint("*** compiling with repository: " + repository.getExtensionsPath());
  }
}

agentArgs += ",probeDescPath=" + probeDescPath;
if (extRepository != DEFAULT_REPOSITORY) {
  agentArgs += ",extPath=" + extRepository.getExtensionsPath();

agentArgs += ",probeDescPath=" + probeDescPath;
if (extRepository != DEFAULT_REPOSITORY) {
  agentArgs += ",extPath=" + extRepository.getExtensionsPath();