Review

finding-4

/mubench/checkouts/closure/319/build/src//com/google/javascript/jscomp/ant/CompileTask

writeResult(String)

private void writeResult(String source) {
    if (this.outputFile.getParentFile().mkdirs()) {
      log("Created missing parent directory " +
          this.outputFile.getParentFile(), Project.MSG_DEBUG);
    }

    try (OutputStreamWriter out =
        new OutputStreamWriter(new FileOutputStream(this.outputFile), outputEncoding)) {
      out.append(source);
    } catch (IOException e) {
      throw new BuildException(e);
    }

    log("Compiled JavaScript written to " + this.outputFile.getAbsolutePath(),
        Project.MSG_DEBUG);
  }

  /**
   * Determine if compilation must actually happen, i.e. if any input file
   * (extern or source) has changed after the outputFile was last modified.
   *
   * @return true if compilation should happen
   */
  private boolean isStale() {
    long lastRun = outputFile.lastModified();
    long sourcesLastModified = Math.max(
        getLastModifiedTime(this.sourceFileLists),
        getLastModifiedTime(this.sourcePaths));
    long externsLastModified = getLastModifiedTime(this.externFileLists);

    return lastRun <= sourcesLastModified || lastRun <= externsLastModified;
  }