Java FileEncodingQuery.getEncoding方法代码示例

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
public MergeResultWriterInfo(File tempf1, File tempf2, File tempf3,
                             File outputFile, String mimeType,
                             String leftFileRevision, String rightFileRevision,
                             FileObject fo, FileLock lock, Charset encoding,
                             String newLineString) {
    this.tempf1 = tempf1;
    this.tempf2 = tempf2;
    this.tempf3 = tempf3;
    this.outputFile = outputFile;
    this.mimeType = mimeType;
    this.leftFileRevision = leftFileRevision;
    this.rightFileRevision = rightFileRevision;
    this.fo = fo;
    this.lock = lock;
    this.newLineString = newLineString;
    if (encoding == null) {
        encoding = FileEncodingQuery.getEncoding(FileUtil.toFileObject(tempf1));
    }
    this.encoding = encoding;
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
@Override
protected void saveFromKitToStream(StyledDocument doc, EditorKit kit, OutputStream stream)
        throws IOException, BadLocationException {
    
    if (guardedProvider != null) {
        Charset c = FileEncodingQuery.getEncoding(this.getDataObject().getPrimaryFile());
        Writer writer = guardedProvider.createGuardedWriter(stream, c);
        try {
            kit.write(writer, doc, 0, doc.getLength());
        } finally {
            writer.close();
        }
    } else {
        super.saveFromKitToStream(doc, kit, stream);
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
/**
 * Retrieves the Charset for the referenceFile and associates it weakly with
 * the given file. A following getAssociatedEncoding() call for
 * the file will then return the referenceFile-s Charset.
 *
 * @param referenceFile the file which charset has to be used when encoding file
 * @param file file to be encoded with the referenceFile-s charset
 *
 */
public static void associateEncoding(File referenceFile, File file) {
    FileObject refFO = FileUtil.toFileObject(referenceFile);
    if (refFO == null || refFO.isFolder()) {
        return;
    }
    FileObject fo = FileUtil.toFileObject(file);
    if (fo == null || fo.isFolder()) {
        return;
    }
    Charset c = FileEncodingQuery.getEncoding(refFO);
    if (c != null) {
        synchronized(ENCODING_LOCK) {
            if (fileToFileObject == null) {
                fileToFileObject = new WeakHashMap<File, FileObject>();
            }
            fileToFileObject.put(file, fo);
        }
        associateEncoding(fo, c);
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
public static void expandTemplate(InputStream template, FileObject toFile, Map<String, Object> values) throws IOException {
    Charset targetEncoding = FileEncodingQuery.getEncoding(toFile);
    if(toFile.isLocked()){
        LOG.log(Level.SEVERE, "File {0} is locked", new Object[]{toFile.getName()});
        return;
    }
    FileLock lock = toFile.lock();
    try (Writer writer = new OutputStreamWriter(toFile.getOutputStream(lock), targetEncoding)) {
        expandTemplate(new InputStreamReader(template), writer, values, targetEncoding);
    } finally {
        lock.releaseLock();
    }
    DataObject dob = DataObject.find(toFile);
    if (dob != null) {
        reformat(dob);
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
public static String readFile( FileObject file ) throws IOException {
    InputStream inputStream = null;
    try {
        inputStream = file.getInputStream();
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        FileUtil.copy(inputStream, outputStream);

        Charset charset = FileEncodingQuery.getEncoding(file);
        return outputStream.toString(charset.name());
    }
    finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            }
            catch (IOException ignore) {
            }
        }
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
/** Store the document in proper encoding.
 */
protected void saveFromKitToStream(StyledDocument doc, EditorKit kit, OutputStream out) throws IOException, BadLocationException {
    // not calling super.
    String enc = EncodingUtil.detectEncoding(doc);
    
    // saved form saveDocument()
    Charset cs = fileEncoding.get();
    // + fallback, if no info is available
    if (cs == null) {
        if (enc != null) {
            cs = Charset.forName(enc);
        } else {
            // fallback to the original encoding, no encoding in document istelf.
            cs = FileEncodingQuery.getEncoding(getDataObject().getPrimaryFile());
        }
    }
    if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug("Saving using encoding");//, new RuntimeException (enc)); // NOI18N
    if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug("!!! TextEditorSupport::saveFromKitToStream: enc = " + enc);
    if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug("!!!                  ::saveFromKitToStream: after first test -> OK");

    FilterOutputStream fos = new FilterOutputStream(out) {
        @Override
        public void close() throws IOException {
            flush();
        }
    };
    CharsetEncoder encoder = cs.newEncoder();
    encoder.onUnmappableCharacter(CodingErrorAction.REPORT);
    Writer w = new OutputStreamWriter (fos, encoder);
    if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug("!!!                  ::saveFromKitToStream: writer = " + w);
    try {
        kit.write(w, doc, 0, doc.getLength());
    } finally {
        w.close();
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
private FileObject createApplication(String name) throws IOException {        
    int index = name.lastIndexOf('.');
    final String pkg;
    final String sn;
    if (index >= 0) {
        pkg = name.substring(0, index);
        sn = name.substring(index+1);
    } else {
        pkg = null;
        sn = name;
    }
    final FileObject file = FileUtil.createData(srcRoot, name.replace('.', '/') + ".java"); //NOI18N
    final FileLock lock = file.lock();
    try (final PrintWriter out = new PrintWriter(new OutputStreamWriter(
            file.getOutputStream(lock),
            FileEncodingQuery.getEncoding(file)))) {
        out.println(
            pkg == null ? "" :"package " + pkg +";\n" +             //NOI18N
            "import javafx.application.Application;\n" +            //NOI18N
            "import javafx.stage.Stage;\n" +                        //NOI18N
            "public class " + sn + " extends Application {\n" +     //NOI18N
            "    public void start(Stage primaryStage) {}\n"+       //NOI18N
            "}"                                                     //NOI18N
        );
    } finally {
        lock.releaseLock();
    }
    return file;
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
@Override
public Reader createReader() throws IOException {
    if (type != null) {
        return new InputStreamReader(fileObject.getInputStream(), FileEncodingQuery.getEncoding(type));
    } else {
        return new InputStreamReader(fileObject.getInputStream(), FileEncodingQuery.getEncoding(fileObject));
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
private Charset getEncoding(File file) {
    try {
        return FileEncodingQuery.getEncoding(FileUtil.toFileObject(file));
    } catch (Throwable e) { // TODO: workaround for #108850
        // return default
    }
    return Charset.defaultCharset();
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
@CheckForNull
Charset getEncoding() {
    if (!encodingInitialized) {
        encoding = rootNotNeeded ? null : FileEncodingQuery.getEncoding(ctx.getRoot());
        encodingInitialized = true;
    }
    return encoding;
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
private Charset encoding() {
    Charset e = encoding;
    if (e == null) {
        FileObject file = FileUtil.toFileObject(root);
        if (file != null) {
            e = FileEncodingQuery.getEncoding(file);
        } else {
            // avoid further checks
            e = UNKNOWN_CHARSET;
        }
        encoding = e;
    }
    return e != UNKNOWN_CHARSET ? e : null;
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
@Override
protected void saveFromKitToStream(StyledDocument doc, EditorKit kit, OutputStream stream) throws IOException, BadLocationException {
    if (guardedProvider != null) {
        Charset c = FileEncodingQuery.getEncoding(this.getDataObject().getPrimaryFile());
        Writer writer = guardedProvider.createGuardedWriter(stream, c);
        try {
            kit.write(writer, doc, 0, doc.getLength());
        } finally {
            writer.close();
        }
    } else {
        super.saveFromKitToStream(doc, kit, stream);
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
private static void ensureProjectAttrs(Map<String, Object> map, FileObject parent) {
    if (map.get(ATTR_LICENSE) == null) {
        map.put(ATTR_LICENSE, "default"); // NOI18N
    }
    if (map.get(ATTR_LICENSE_PATH) == null) {
        map.put(ATTR_LICENSE_PATH, "Templates/Licenses/license-" + map.get(ATTR_LICENSE).toString() + ".txt"); // NOI18N
    }
    String url = map.get(ATTR_LICENSE_PATH).toString();
    if (FileUtil.getConfigFile(url) == null) { //now we have filesystem based template for sure, convert to file:///path to have freemarker process it
        try {
            URI uri = URI.create(url);
            //freemarker.cache.TemplateCache.normalizeName appears to 
            // check for :// to skip processing the path
            map.put(ATTR_LICENSE_PATH, new URI("file", "", uri.getPath(), null).toString());
        } catch (Exception malformedURLException) {
        }
    } else {
        // now we have to assume we are dealing with the teplate from system filesystem.
        // in order to get through the freemarker, the path needs to "absolute" in freemarker terms - http://freemarker.sourceforge.net/docs/ref_directive_include.html
        // relative would mean relative to the template and we cannot be sure what the path from template to license template is..
        // it used to be, ../Licenses/ or ../../Licenses but can be anything similar, just based on where the template resides.
        map.put(ATTR_LICENSE_PATH, "/" + url);
        //appears to cover both the new and old default value of the include path
    }  
    if (map.get(ATTR_ENCODING) == null) {
        Charset charset = FileEncodingQuery.getEncoding(parent);
        String encoding = charset != null ? charset.name() : "UTF-8"; // NOI18N
        map.put(ATTR_ENCODING, encoding);
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //导入方法依赖的package包/类
private void read(final FileObject data) throws IOException {
    final Charset cs = FileEncodingQuery.getEncoding(data);
    final BufferedReader in = new BufferedReader(new InputStreamReader(data.getInputStream(), cs));
    try {
        CharBuffer buffer = CharBuffer.allocate(1024);
        while (in.read(buffer)>0) {
            buffer.clear();
        }
    } finally {
        in.close();
    }
}
 

import org.netbeans.api.queries.FileEncodingQuery; //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);
    }
}