String testContent = "Hello, World!";
        tempFile = File.createTempFile("test", ".tmp", Curl.tmpDir);

        // Write test content to file
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write(testContent.getBytes("UTF-8"));
        }

        ContentCache cache = new ContentCache(tempFile);

        try (InputStream stream = cache.getInputStream()) {

        File tempFile = null;
        LhaFile lhaFile = null;
        try {
            tempFile = createTempFile("crawler-", ".lzh", null);
            try (FileOutputStream fos = new FileOutputStream(tempFile)) {
                CopyUtil.copy(in, fos);
            }

            lhaFile = new LhaFile(tempFile);
            @SuppressWarnings("unchecked")

     */
    protected OutputStreamUtil() {
    }

    /**
     * Creates a {@link FileOutputStream}.
     *
     * @param file the file (must not be {@literal null})
     * @return a {@link FileOutputStream} to output to the file
     * @see FileOutputStream#FileOutputStream(File)
     */
    public static FileOutputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {

        // Write test content to file
        try (FileOutputStream fos = new FileOutputStream(testFile)) {
            fos.write(getTestContent().getBytes(StandardCharsets.UTF_8));
        }

        // Create a temporary project.properties file for SystemHelper
        File propFile = File.createTempFile("project", ".properties");
        propFile.deleteOnExit();
        try (FileOutputStream fos = new FileOutputStream(propFile)) {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.util;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.CopyUtil;
import org.codelibs.core.io.FileUtil;
import org.codelibs.fess.crawler.entity.ResponseData;

        }

        // Create a temporary project.properties file for SystemHelper
        File propFile = File.createTempFile("project", ".properties");
        propFile.deleteOnExit();
        try (FileOutputStream fos = new FileOutputStream(propFile)) {
            fos.write("fess.version=1.0.0".getBytes());
        }

        // Initialize SystemHelper
        SystemHelper systemHelper = new SystemHelper() {
            @Override

     * @throws IORuntimeException if an I/O error occurs
     */
    protected void createSystemProperties(final List<String> cmdList, final File propFile) {
        try (FileOutputStream out = new FileOutputStream(propFile)) {
            final Properties prop = new Properties();
            prop.putAll(ComponentUtil.getSystemProperties());

        if (in instanceof FileInputStream) {
            if (out instanceof FileOutputStream) {
                return copyInternal((FileInputStream) in, (FileOutputStream) out);
            }
            return copyInternal((FileInputStream) in, wrap(out));
        }
        if (out instanceof FileOutputStream) {
            return copyInternal(wrap(in), (FileOutputStream) out);
        }
        return copyInternal(wrap(in), wrap(out));

      this.initialBytes = initialBytes;
    }

    @Override
    public ByteSink createSink() throws IOException {
      File file = createFile();
      if (initialBytes != null) {
        FileOutputStream out = new FileOutputStream(file);
        try {
          out.write(initialBytes);
        } finally {
          out.close();
        }
        return Files.asByteSink(file, FileWriteMode.APPEND);
      }

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.util;

import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Map;
import java.util.function.Consumer;

import org.apache.logging.log4j.LogManager;