本文整理汇总了Java中java.nio.charset.CharsetDecoder.charset方法的典型用法代码示例。如果您正苦于以下问题：Java CharsetDecoder.charset方法的具体用法？Java CharsetDecoder.charset怎么用？Java CharsetDecoder.charset使用的例子？那么恭喜您, 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.CharsetDecoder的用法示例。
在下文中一共展示了CharsetDecoder.charset方法的3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: checkBig
import java.nio.charset.CharsetDecoder; //导入方法依赖的package包/类
private Def checkBig(FileObject fileObject, File file,
SearchListener listener) {
Charset charset = FileEncodingQuery.getEncoding(fileObject);
CharsetDecoder decoder = prepareDecoder(charset);
LongCharSequence longSequence = null;
try {
longSequence = new LongCharSequence(file, charset);
List<TextDetail> textDetails = multiline
? matchWholeFile(longSequence, fileObject)
: matchLines(longSequence, fileObject);
if (textDetails == null) {
return null;
} else {
Def def = new Def(fileObject, decoder.charset(), textDetails);
return def;
}
} catch (Exception ex) {
listener.generalError(ex);
return null;
} finally {
if (longSequence != null) {
longSequence.close();
}
}
}
示例2: checkMeasuredInternal
import java.nio.charset.CharsetDecoder; //导入方法依赖的package包/类
@Override
protected Def checkMeasuredInternal(FileObject fo,
SearchListener listener) {
MappedByteBuffer bb = null;
FileChannel fc = null;
try {
listener.fileContentMatchingStarted(fo.getPath());
File file = FileUtil.toFile(fo);
// Open the file and then get a channel from the stream
FileInputStream fis = new FileInputStream(file);
fc = fis.getChannel();
// Get the file's size and then map it into memory
int sz = (int) fc.size();
bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, sz);
// if (asciiPattern && !matchesIgnoringEncoding(bb)) {
// return null;
//}
// Decode the file into a char buffer
Charset charset = FileEncodingQuery.getEncoding(fo);
CharsetDecoder decoder = prepareDecoder(charset);
decoder.onUnmappableCharacter(CodingErrorAction.IGNORE);
CharBuffer cb = decoder.decode(bb);
List<TextDetail> textDetails = matchWholeFile(cb, fo);
if (textDetails == null) {
return null;
} else {
Def def = new Def(fo, decoder.charset(), textDetails);
return def;
}
} catch (Exception e) {
listener.generalError(e);
return null;
} finally {
if (fc != null) {
try {
fc.close();
} catch (IOException ex) {
listener.generalError(ex);
}
}
MatcherUtils.unmap(bb);
}
}
示例3: checkSmall
import java.nio.charset.CharsetDecoder; //导入方法依赖的package包/类
/**
* Check file content using Java NIO API.
*/
private Def checkSmall(FileObject fo, File file,
SearchListener listener) {
MappedByteBuffer bb = null;
FileChannel fc = null;
try {
// Open the file and then get a channel from the stream
FileInputStream fis = new FileInputStream(file);
fc = fis.getChannel();
// Get the file's size and then map it into memory
int sz = (int) fc.size();
bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, sz);
if (asciiPattern && !matchesIgnoringEncoding(bb)) {
return null;
}
// Decode the file into a char buffer
Charset charset = FileEncodingQuery.getEncoding(fo);
CharsetDecoder decoder = prepareDecoder(charset);
decoder.onUnmappableCharacter(CodingErrorAction.IGNORE);
CharBuffer cb = decoder.decode(bb);
List<TextDetail> textDetails = multiline
? matchWholeFile(cb, fo)
: matchLines(cb, fo);
if (textDetails == null) {
return null;
} else {
Def def = new Def(fo, decoder.charset(), textDetails);
return def;
}
} catch (Exception e) {
listener.generalError(e);
return null;
} finally {
if (fc != null) {
try {
fc.close();
} catch (IOException ex) {
listener.generalError(ex);
}
}
unmap(bb);
}
}