} else {
                try {
                    buf.append(URLEncoder.encode(String.valueOf(c), Constants.UTF_8));
                } catch (final UnsupportedEncodingException e) {
                    // UTF-8 should always be supported, but log if it somehow isn't
                    logger.warn("UTF-8 encoding not supported - this should not happen: char={}", c, e);
                }
            }
        }

    }

    /**
     * Checks if automatic UTF-8 encoding detection is enabled.
     *
     * @return True if auto-detection is enabled, false otherwise
     */
    public boolean isAutodetectEncoding() {
        return autodetectEncoding;
    }

    /**
     * Sets whether automatic UTF-8 encoding detection is enabled.
     *

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.io;

import static java.nio.charset.StandardCharsets.UTF_8;

import java.io.FilterWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import org.jspecify.annotations.NullUnmarked;

/**

        responseData.setCharSet(Constants.UTF_8);
        final ResultData resultData = new ResultData();
        xpathTransformer.storeData(responseData, resultData);
        assertEquals(result, new String(resultData.getData(), Constants.UTF_8));
    }

    public void test_getData() throws Exception {
        final String value = "<?xml version=\"1.0\"?>\n"//

            contexts[0] = new TestCreateContextResponse("CONTEXT1".getBytes(StandardCharsets.UTF_8));
            contexts[1] = new TestCreateContextResponse("CONTEXT2".getBytes(StandardCharsets.UTF_8));
            contexts[2] = new TestCreateContextResponse("CONTEXT3".getBytes(StandardCharsets.UTF_8));

            // Decode each context
            for (int i = 0; i < contexts.length; i++) {

        responseData.setResponseBody(ResourceUtil.getResourceAsFile("extractor/test.xml"), false);
        responseData.setCharSet(Constants.UTF_8);
        final ResultData resultData = xmlTransformer.transform(responseData);
        assertEquals(result, new String(resultData.getData(), Constants.UTF_8));
    }

    public void test_transformNs() throws Exception {
        final String result = "<?xml version=\"1.0\"?>\n"//

        String enc;

        encodingHelper.defaultEncoding = "UTF-8";

        enc = null;
        assertEquals("UTF-8", encodingHelper.normalize(enc));

        enc = "";
        assertEquals("UTF-8", encodingHelper.normalize(enc));

        enc = " ";
        assertEquals("UTF-8", encodingHelper.normalize(enc));

        enc = "UTF-8";
        assertEquals("UTF-8", encodingHelper.normalize(enc));

        enc = "Shift_JIS";

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.io;

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.testing.AbstractPackageSanityTests;
import java.lang.reflect.Method;
import java.nio.channels.FileChannel.MapMode;
import java.nio.charset.CharsetEncoder;

  }

  @Override
  public boolean wasStreamOpened() {
    return byteSource.wasStreamOpened();
  }

  @Override
  public boolean wasStreamClosed() {
    return byteSource.wasStreamClosed();
  }

  @Override
  public Reader openStream() throws IOException {
    return new InputStreamReader(byteSource.openStream(), UTF_8);
  }

  public void testSomeOtherKnownValues() {
    assertCrc(0x22620404, "The quick brown fox jumps over the lazy dog".getBytes(UTF_8));
    assertCrc(0xE3069283, "123456789".getBytes(UTF_8));
    assertCrc(0xf3dbd4fe, "1234567890".getBytes(UTF_8));
    assertCrc(0xBFE92A83, "23456789".getBytes(UTF_8));
  }

  public void testAgainstSimplerImplementation() {
    Random r = new Random(1234567);