* {@code
 * // In-memory caching
 * byte[] data = "example data".getBytes();
 * try (ContentCache cache = new ContentCache(data)) {
 *     InputStream inputStream = cache.getInputStream();
 *     // Read from inputStream
 * }
 *
 * // File-based caching
 * File file = new File("example.txt");
 * try (ContentCache cache = new ContentCache(file)) {
 *     InputStream inputStream = cache.getInputStream();
 *     // Read from inputStream

     *
     * @param contentCache the content cache to set.
     */
    public void setContentCache(final ContentCache contentCache) {
        this.contentCache = contentCache;
    }

    /**
     * Gets the HTTP status code of the response.
     *
     * @return the HTTP status code.
     */
    public int getHttpStatusCode() {
        return httpStatusCode;
    }

    /**

│   │   ├── CurlResponse.java      # Response wrapper (implements Closeable)
│   │   ├── CurlException.java     # Unchecked exception for HTTP errors
│   │   └── io/
│   │       ├── ContentCache.java       # In-memory or file-based caching
│   │       └── ContentOutputStream.java # Threshold-based output stream
│   └── test/java/org/codelibs/curl/
│       ├── CurlTest.java          # Factory method tests

- `org.codelibs.curl.CurlRequest`: builder for HTTP requests.
- `org.codelibs.curl.CurlResponse`: wrapper for HTTP responses.
- `org.codelibs.curl.CurlException`: unchecked exception for errors.
- `org.codelibs.curl.io.ContentCache` and `ContentOutputStream`: internal utilities for streaming and caching.

Refer to the Javadoc for full API details.

## Building and Testing

```bash
git clone https://github.com/codelibs/curl4j.git
cd curl4j