本文整理汇总了Java中java.nio.charset.CoderResult.length方法的典型用法代码示例。如果您正苦于以下问题:Java CoderResult.length方法的具体用法?Java CoderResult.length怎么用?Java CoderResult.length使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.nio.charset.CoderResult
的用法示例。
在下文中一共展示了CoderResult.length方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: decode
import java.nio.charset.CoderResult; //导入方法依赖的package包/类
@SuppressWarnings("cast")
public CharBuffer decode(ByteBuffer inbuf, boolean ignoreEncodingErrors) {
String encName = getEncodingName();
CharsetDecoder decoder;
try {
decoder = getDecoder(encName, ignoreEncodingErrors);
} catch (IllegalCharsetNameException | UnsupportedCharsetException e) {
log.error(Errors.UnsupportedEncoding(encName));
return (CharBuffer)CharBuffer.allocate(1).flip();
}
// slightly overestimate the buffer size to avoid reallocation.
float factor =
decoder.averageCharsPerByte() * 0.8f +
decoder.maxCharsPerByte() * 0.2f;
CharBuffer dest = CharBuffer.
allocate(10 + (int)(inbuf.remaining()*factor));
while (true) {
CoderResult result = decoder.decode(inbuf, dest, true);
dest.flip();
if (result.isUnderflow()) { // done reading
// make sure there is at least one extra character
if (dest.limit() == dest.capacity()) {
dest = CharBuffer.allocate(dest.capacity()+1).put(dest);
dest.flip();
}
return dest;
} else if (result.isOverflow()) { // buffer too small; expand
int newCapacity =
10 + dest.capacity() +
(int)(inbuf.remaining()*decoder.maxCharsPerByte());
dest = CharBuffer.allocate(newCapacity).put(dest);
} else if (result.isMalformed() || result.isUnmappable()) {
// bad character in input
StringBuilder unmappable = new StringBuilder();
int len = result.length();
for (int i = 0; i < len; i++) {
unmappable.append(String.format("%02X", inbuf.get()));
}
String charsetName = charset == null ? encName : charset.name();
log.error(dest.limit(),
Errors.IllegalCharForEncoding(unmappable.toString(), charsetName));
// undo the flip() to prepare the output buffer
// for more translation
dest.position(dest.limit());
dest.limit(dest.capacity());
dest.put((char)0xfffd); // backward compatible
} else {
throw new AssertionError(result);
}
}
// unreached
}