本文整理了Java中java.nio.charset.Charset.newEncoder()方法的一些代码示例，展示了Charset.newEncoder()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Charset.newEncoder()方法的具体详情如下：
包路径：java.nio.charset.Charset
类名称：Charset
方法名：newEncoder

Charset.newEncoder介绍

[英]Returns a new instance of an encoder for this charset.
[中]返回此字符集的编码器的新实例。

代码示例

代码示例来源：origin: google/guava

/**
 * Creates a new input stream that will encode the characters from {@code reader} into bytes using
 * the given character set. Malformed input and unmappable characters will be replaced.
 *
 * @param reader input source
 * @param charset character set used for encoding chars to bytes
 * @param bufferSize size of internal input and output buffers
 * @throws IllegalArgumentException if bufferSize is non-positive
 */
ReaderInputStream(Reader reader, Charset charset, int bufferSize) {
 this(
   reader,
   charset
     .newEncoder()
     .onMalformedInput(CodingErrorAction.REPLACE)
     .onUnmappableCharacter(CodingErrorAction.REPLACE),
   bufferSize);
}

代码示例来源：origin: com.sun.xml.bind/jaxb-impl

public NioEscapeHandler(String charsetName) {
//        this(Charset.forName(charsetName));
    this.encoder = Charset.forName(charsetName).newEncoder(); 
  }

代码示例来源：origin: apache/flume

@Override
 protected CharsetEncoder initialValue() {
  return Charset.forName("UTF-8").newEncoder()
                  .onMalformedInput(CodingErrorAction.REPLACE)
                  .onUnmappableCharacter(CodingErrorAction.REPLACE);
 }
};

代码示例来源：origin: commons-io/commons-io

/**
 * Constructor.
 *
 * @param cs the input character sequence
 * @param charset the character set name to use
 * @param bufferSize the buffer size to use.
 * @throws IllegalArgumentException if the buffer is not large enough to hold a complete character
 */
public CharSequenceInputStream(final CharSequence cs, final Charset charset, final int bufferSize) {
  super();
  this.encoder = charset.newEncoder()
    .onMalformedInput(CodingErrorAction.REPLACE)
    .onUnmappableCharacter(CodingErrorAction.REPLACE);
  // Ensure that buffer is long enough to hold a complete character
  final float maxBytesPerChar = encoder.maxBytesPerChar();
  if (bufferSize < maxBytesPerChar) {
    throw new IllegalArgumentException("Buffer size " + bufferSize + " is less than maxBytesPerChar " +
        maxBytesPerChar);
  }
  this.bbuf = ByteBuffer.allocate(bufferSize);
  this.bbuf.flip();
  this.cbuf = CharBuffer.wrap(cs);
  this.mark_cbuf = NO_MARK;
  this.mark_bbuf = NO_MARK;
}

代码示例来源：origin: mpatric/mp3agic

protected static byte[] charBufferToBytes(CharBuffer charBuffer, String characterSet) throws CharacterCodingException {
    Charset charset = Charset.forName(characterSet);
    CharsetEncoder encoder = charset.newEncoder();
    ByteBuffer byteBuffer = encoder.encode(charBuffer);
    return BufferTools.copyBuffer(byteBuffer.array(), 0, byteBuffer.limit());
  }
}

代码示例来源：origin: spring-projects/spring-security

/**
 * Get the bytes of the String in UTF-8 encoded form.
 */
public static byte[] encode(CharSequence string) {
  try {
    ByteBuffer bytes = CHARSET.newEncoder().encode(CharBuffer.wrap(string));
    byte[] bytesCopy = new byte[bytes.limit()];
    System.arraycopy(bytes.array(), 0, bytesCopy, 0, bytes.limit());
    return bytesCopy;
  }
  catch (CharacterCodingException e) {
    throw new IllegalArgumentException("Encoding failed", e);
  }
}

代码示例来源：origin: jenkinsci/jenkins

out = new StringBuilder(i + (m - i) * 3);
  out.append(s.substring(0, i));
  enc = StandardCharsets.UTF_8.newEncoder();
  buf = CharBuffer.allocate(1);
  escaped = true;
buf.rewind();
try {
  ByteBuffer bytes = enc.encode(buf);
  while (bytes.hasRemaining()) {
    byte b = bytes.get();

代码示例来源：origin: org.apache.xmlbeans/xmlbeans

private static final Writer writerForFile(File f) throws IOException
{
  if (CHARSET == null)
    return new FileWriter(f);
  FileOutputStream fileStream = new FileOutputStream(f);
  CharsetEncoder ce = CHARSET.newEncoder();
  ce.onUnmappableCharacter(CodingErrorAction.REPORT);
  return new OutputStreamWriter(fileStream, ce);
}

代码示例来源：origin: stackoverflow.com

// Create the encoder and decoder for ISO-8859-1
Charset charset = Charset.forName("ISO-8859-1");
CharsetDecoder decoder = charset.newDecoder();
CharsetEncoder encoder = charset.newEncoder();

try {
  // Convert a string to ISO-LATIN-1 bytes in a ByteBuffer
  // The new ByteBuffer is ready to be read.
  ByteBuffer bbuf = encoder.encode(CharBuffer.wrap("a string"));

  // Convert ISO-LATIN-1 bytes in a ByteBuffer to a character ByteBuffer and then to a string.
  // The new ByteBuffer is ready to be read.
  CharBuffer cbuf = decoder.decode(bbuf);
  String s = cbuf.toString();
} catch (CharacterCodingException e) {
}

代码示例来源：origin: stackoverflow.com

OutputStreamWriter char_output = new OutputStreamWriter(
  new FileOutputStream("some_output.utf8"),
  Charset.forName("UTF-8").newEncoder() 
);
InputStreamReader char_input = new InputStreamReader(
  new FileInputStream("some_input.utf8"),
  Charset.forName("UTF-8").newDecoder() 
);

代码示例来源：origin: org.apache.hadoop/hadoop-common

@Override
  protected CharsetEncoder initialValue() {
   return Charset.forName("UTF-8").newEncoder().
       onMalformedInput(CodingErrorAction.REPORT).
       onUnmappableCharacter(CodingErrorAction.REPORT);
 }
};

代码示例来源：origin: stackoverflow.com

Charset utf8 = Charset.forName("UTF-8");
CharsetEncoder encoder = utf8.newEncoder();
CharBuffer input = //allocate in some way, or pass as parameter
ByteBuffer output = ByteBuffer.allocate(10);

int limit = input.limit();
while(input.position() < limit) {
  output.clear();
  input.mark();
  input.limit(Math.max(input.position() + 2, input.capacity()));
  if (Character.isHighSurrogate(input.get()) && !Character.isLowSurrogate(input.get())) {
    //Malformed surrogate pair; do something!
  }
  input.limit(input.position());
  input.reset();
  encoder.encode(input, output, false);
  int encodedLen = output.position();
}

代码示例来源：origin: commons-io/commons-io

/**
 * Construct a new {@link ReaderInputStream}.
 *
 * @param reader the target {@link Reader}
 * @param charset the charset encoding
 * @param bufferSize the size of the input buffer in number of characters
 */
public ReaderInputStream(final Reader reader, final Charset charset, final int bufferSize) {
  this(reader,
     charset.newEncoder()
        .onMalformedInput(CodingErrorAction.REPLACE)
        .onUnmappableCharacter(CodingErrorAction.REPLACE),
     bufferSize);
}

代码示例来源：origin: org.springframework.security/spring-security-core

/**
 * Get the bytes of the String in UTF-8 encoded form.
 */
public static byte[] encode(CharSequence string) {
  try {
    ByteBuffer bytes = CHARSET.newEncoder().encode(CharBuffer.wrap(string));
    byte[] bytesCopy = new byte[bytes.limit()];
    System.arraycopy(bytes.array(), 0, bytesCopy, 0, bytes.limit());
    return bytesCopy;
  }
  catch (CharacterCodingException e) {
    throw new IllegalArgumentException("Encoding failed", e);
  }
}

代码示例来源：origin: com.sleepycat/je

/**
 * @return a buffer with position set to 0
 */
public static ByteBuffer toUTF8(CharBuffer chars) {
  try {
    final CharsetEncoder utf8Encoder = UTF8.newEncoder();
    return utf8Encoder.encode(chars);
  } catch (CharacterCodingException e) {
    // Should never happen.
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: robovm/robovm

/**
 * Returns a new {@code ByteBuffer} containing the bytes encoding the characters from
 * {@code buffer}.
 * This method uses {@code CodingErrorAction.REPLACE}.
 *
 * <p>Applications should generally create a {@link CharsetEncoder} using {@link #newEncoder}
 * for performance.
 *
 * @param buffer
 *            the character buffer containing the content to be encoded.
 * @return the result of the encoding.
 */
public final ByteBuffer encode(CharBuffer buffer) {
  try {
    return newEncoder()
        .onMalformedInput(CodingErrorAction.REPLACE)
        .onUnmappableCharacter(CodingErrorAction.REPLACE).encode(
            buffer);
  } catch (CharacterCodingException ex) {
    throw new Error(ex.getMessage(), ex);
  }
}

代码示例来源：origin: joelittlejohn/jsonschema2pojo

@Override
public Writer openSource(JPackage pkg, String fileName) throws IOException {
  final Writer bw = new OutputStreamWriter(openBinary(pkg, fileName), encoding);
  return new UnicodeEscapeWriter(bw) {
    private final CharsetEncoder encoder = Charset.forName(encoding).newEncoder();
    @Override
    protected boolean requireEscaping(int ch) {
      // control characters
      if (ch < 0x20 && " \t\r\n".indexOf(ch) == -1) {
        return true;
      }
      // ASCII chars
      if (ch < 0x80) {
        return false;
      }
      return !encoder.canEncode((char) ch);
    }
  };
}

代码示例来源：origin: apache/drill

@Override
 protected CharsetEncoder initialValue() {
  return Charset.forName("UTF-8").newEncoder().
    onMalformedInput(CodingErrorAction.REPORT).
    onUnmappableCharacter(CodingErrorAction.REPORT);
 }
};

代码示例来源：origin: com.mpatric/mp3agic

protected static byte[] charBufferToBytes(CharBuffer charBuffer, String characterSet) throws CharacterCodingException {
    Charset charset = Charset.forName(characterSet);
    CharsetEncoder encoder = charset.newEncoder();
    ByteBuffer byteBuffer = encoder.encode(charBuffer);
    return BufferTools.copyBuffer(byteBuffer.array(), 0, byteBuffer.limit());
  }
}

代码示例来源：origin: prestodb/presto

/**
 * Creates a new input stream that will encode the characters from {@code reader} into bytes using
 * the given character set. Malformed input and unmappable characters will be replaced.
 *
 * @param reader input source
 * @param charset character set used for encoding chars to bytes
 * @param bufferSize size of internal input and output buffers
 * @throws IllegalArgumentException if bufferSize is non-positive
 */
ReaderInputStream(Reader reader, Charset charset, int bufferSize) {
 this(
   reader,
   charset
     .newEncoder()
     .onMalformedInput(CodingErrorAction.REPLACE)
     .onUnmappableCharacter(CodingErrorAction.REPLACE),
   bufferSize);
}