fun extract()

in intellij-plugin-structure/structure-base/src/main/kotlin/com/jetbrains/plugin/structure/base/decompress/Decompressor.kt [29:66]

37 lines of code
3 McCabe index (conditional complexity)


  fun extract(outputDir: Path) {
    openStream()
    try {
      val actualSizeLimit = outputSizeLimit ?: Long.MAX_VALUE
      var remainingSize = actualSizeLimit
      loop@ while (true) {
        val entry = nextEntry() ?: break
        val outputFile = getEntryFile(outputDir, entry)
        when (entry.type) {
          Type.DIR -> {
            outputFile.createDir()
          }
          Type.FILE -> {
            val entryStream = nextEntryStream() ?: continue@loop
            try {
              val countingStream = BoundedInputStream.builder()
                .setInputStream(entryStream)
                .setMaxCount(remainingSize + 1)
                .setPropagateClose(false)
                .get()

              outputFile.createParentDirs()
              Files.copy(countingStream, outputFile)
              remainingSize -= countingStream.count
              if (remainingSize < 0) {
                throw DecompressorSizeLimitExceededException(actualSizeLimit)
              }
            } finally {
              closeNextEntryStream(entryStream)
            }
          }
          Type.SYMLINK -> throw IOException("Symlinks are not allowed")
        }
      }
    } finally {
      closeStream()
    }
  }