JDK 17 java.datatransfer.jmod - Data Transfer Module
JDK 17 java.datatransfer.jmod is the JMOD file for JDK 17 Desktop module.
JDK 17 Data Transfer module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.datatransfer.jmod.
JDK 17 Data Transfer module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Data Transfer module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.datatransfer.
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⏎ sun/datatransfer/DataFlavorUtil.java
/*
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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*/
package sun.datatransfer;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.FlavorMap;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.IllegalCharsetNameException;
import java.nio.charset.StandardCharsets;
import java.nio.charset.UnsupportedCharsetException;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.function.Supplier;
/**
* Utility class with different datatransfer helper functions.
*
* @since 9
*/
public class DataFlavorUtil {
private DataFlavorUtil() {
// Avoid instantiation
}
private static Comparator<String> getCharsetComparator() {
return CharsetComparator.INSTANCE;
}
public static Comparator<DataFlavor> getDataFlavorComparator() {
return DataFlavorComparator.INSTANCE;
}
public static Comparator<Long> getIndexOrderComparator(Map<Long, Integer> indexMap) {
return new IndexOrderComparator(indexMap);
}
public static Comparator<DataFlavor> getTextFlavorComparator() {
return TextFlavorComparator.INSTANCE;
}
/**
* Tracks whether a particular text/* MIME type supports the charset
* parameter. The Map is initialized with all of the standard MIME types
* listed in the DataFlavor.selectBestTextFlavor method comment. Additional
* entries may be added during the life of the JRE for text/<other>
* types.
*/
private static final Map<String, Boolean> textMIMESubtypeCharsetSupport;
static {
Map<String, Boolean> tempMap = new HashMap<>(17);
tempMap.put("sgml", Boolean.TRUE);
tempMap.put("xml", Boolean.TRUE);
tempMap.put("html", Boolean.TRUE);
tempMap.put("enriched", Boolean.TRUE);
tempMap.put("richtext", Boolean.TRUE);
tempMap.put("uri-list", Boolean.TRUE);
tempMap.put("directory", Boolean.TRUE);
tempMap.put("css", Boolean.TRUE);
tempMap.put("calendar", Boolean.TRUE);
tempMap.put("plain", Boolean.TRUE);
tempMap.put("rtf", Boolean.FALSE);
tempMap.put("tab-separated-values", Boolean.FALSE);
tempMap.put("t140", Boolean.FALSE);
tempMap.put("rfc822-headers", Boolean.FALSE);
tempMap.put("parityfec", Boolean.FALSE);
textMIMESubtypeCharsetSupport = Collections.synchronizedMap(tempMap);
}
/**
* Lazy initialization of Standard Encodings.
*/
private static class StandardEncodingsHolder {
private static final SortedSet<String> standardEncodings = load();
private static SortedSet<String> load() {
final SortedSet<String> tempSet = new TreeSet<>(getCharsetComparator().reversed());
tempSet.add("US-ASCII");
tempSet.add("ISO-8859-1");
tempSet.add("UTF-8");
tempSet.add("UTF-16BE");
tempSet.add("UTF-16LE");
tempSet.add("UTF-16");
tempSet.add(Charset.defaultCharset().name());
return Collections.unmodifiableSortedSet(tempSet);
}
}
/**
* Returns a {@code SortedSet} of Strings which are a total order of the
* standard character sets supported by the JRE. The ordering follows the
* same principles as {@link DataFlavor#selectBestTextFlavor(DataFlavor[])}.
* So as to avoid loading all available character converters, optional,
* non-standard, character sets are not included.
*/
public static Set<String> standardEncodings() {
return StandardEncodingsHolder.standardEncodings;
}
/**
* Converts an arbitrary text encoding to its canonical name.
*/
public static String canonicalName(String encoding) {
if (encoding == null) {
return null;
}
try {
return Charset.forName(encoding).name();
} catch (IllegalCharsetNameException icne) {
return encoding;
} catch (UnsupportedCharsetException uce) {
return encoding;
}
}
/**
* Tests only whether the flavor's MIME type supports the charset parameter.
* Must only be called for flavors with a primary type of "text".
*/
public static boolean doesSubtypeSupportCharset(DataFlavor flavor) {
String subType = flavor.getSubType();
if (subType == null) {
return false;
}
Boolean support = textMIMESubtypeCharsetSupport.get(subType);
if (support != null) {
return support;
}
boolean ret_val = (flavor.getParameter("charset") != null);
textMIMESubtypeCharsetSupport.put(subType, ret_val);
return ret_val;
}
public static boolean doesSubtypeSupportCharset(String subType,
String charset)
{
Boolean support = textMIMESubtypeCharsetSupport.get(subType);
if (support != null) {
return support;
}
boolean ret_val = (charset != null);
textMIMESubtypeCharsetSupport.put(subType, ret_val);
return ret_val;
}
/**
* Returns whether this flavor is a text type which supports the 'charset'
* parameter.
*/
public static boolean isFlavorCharsetTextType(DataFlavor flavor) {
// Although stringFlavor doesn't actually support the charset
// parameter (because its primary MIME type is not "text"), it should
// be treated as though it does. stringFlavor is semantically
// equivalent to "text/plain" data.
if (DataFlavor.stringFlavor.equals(flavor)) {
return true;
}
if (!"text".equals(flavor.getPrimaryType()) ||
!doesSubtypeSupportCharset(flavor))
{
return false;
}
Class<?> rep_class = flavor.getRepresentationClass();
if (flavor.isRepresentationClassReader() ||
String.class.equals(rep_class) ||
flavor.isRepresentationClassCharBuffer() ||
char[].class.equals(rep_class))
{
return true;
}
if (!(flavor.isRepresentationClassInputStream() ||
flavor.isRepresentationClassByteBuffer() ||
byte[].class.equals(rep_class))) {
return false;
}
String charset = flavor.getParameter("charset");
// null equals default encoding which is always supported
return (charset == null) || isEncodingSupported(charset);
}
/**
* Returns whether this flavor is a text type which does not support the
* 'charset' parameter.
*/
public static boolean isFlavorNoncharsetTextType(DataFlavor flavor) {
if (!"text".equals(flavor.getPrimaryType()) || doesSubtypeSupportCharset(flavor)) {
return false;
}
return (flavor.isRepresentationClassInputStream() ||
flavor.isRepresentationClassByteBuffer() ||
byte[].class.equals(flavor.getRepresentationClass()));
}
/**
* If the specified flavor is a text flavor which supports the "charset"
* parameter, then this method returns that parameter, or the default
* charset if no such parameter was specified at construction. For non-text
* DataFlavors, and for non-charset text flavors, this method returns
* {@code null}.
*/
public static String getTextCharset(DataFlavor flavor) {
if (!isFlavorCharsetTextType(flavor)) {
return null;
}
String encoding = flavor.getParameter("charset");
return (encoding != null) ? encoding : Charset.defaultCharset().name();
}
/**
* Determines whether this JRE can both encode and decode text in the
* specified encoding.
*/
private static boolean isEncodingSupported(String encoding) {
if (encoding == null) {
return false;
}
try {
return Charset.isSupported(encoding);
} catch (IllegalCharsetNameException icne) {
return false;
}
}
/**
* Helper method to compare two objects by their Integer indices in the
* given map. If the map doesn't contain an entry for either of the objects,
* the fallback index will be used for the object instead.
*
* @param indexMap the map which maps objects into Integer indexes
* @param obj1 the first object to be compared
* @param obj2 the second object to be compared
* @param fallbackIndex the Integer to be used as a fallback index
* @return a negative integer, zero, or a positive integer as the first
* object is mapped to a less, equal to, or greater index than the
* second
*/
static <T> int compareIndices(Map<T, Integer> indexMap,
T obj1, T obj2,
Integer fallbackIndex) {
Integer index1 = indexMap.getOrDefault(obj1, fallbackIndex);
Integer index2 = indexMap.getOrDefault(obj2, fallbackIndex);
return index1.compareTo(index2);
}
/**
* An IndexedComparator which compares two String charsets. The comparison
* follows the rules outlined in DataFlavor.selectBestTextFlavor. In order
* to ensure that non-Unicode, non-ASCII, non-default charsets are sorted
* in alphabetical order, charsets are not automatically converted to their
* canonical forms.
*/
private static class CharsetComparator implements Comparator<String> {
static final CharsetComparator INSTANCE = new CharsetComparator();
private static final Map<String, Integer> charsets;
private static final Integer DEFAULT_CHARSET_INDEX = 2;
private static final Integer OTHER_CHARSET_INDEX = 1;
private static final Integer WORST_CHARSET_INDEX = 0;
private static final Integer UNSUPPORTED_CHARSET_INDEX = Integer.MIN_VALUE;
private static final String UNSUPPORTED_CHARSET = "UNSUPPORTED";
static {
Map<String, Integer> charsetsMap = new HashMap<>(8, 1.0f);
// we prefer Unicode charsets
charsetsMap.put(canonicalName("UTF-16LE"), 4);
charsetsMap.put(canonicalName("UTF-16BE"), 5);
charsetsMap.put(canonicalName("UTF-8"), 6);
charsetsMap.put(canonicalName("UTF-16"), 7);
// US-ASCII is the worst charset supported
charsetsMap.put(canonicalName("US-ASCII"), WORST_CHARSET_INDEX);
charsetsMap.putIfAbsent(Charset.defaultCharset().name(), DEFAULT_CHARSET_INDEX);
charsetsMap.put(UNSUPPORTED_CHARSET, UNSUPPORTED_CHARSET_INDEX);
charsets = Collections.unmodifiableMap(charsetsMap);
}
/**
* Compares charsets. Returns a negative integer, zero, or a positive
* integer as the first charset is worse than, equal to, or better than
* the second.
* <p>
* Charsets are ordered according to the following rules:
* <ul>
* <li>All unsupported charsets are equal</li>
* <li>Any unsupported charset is worse than any supported charset.
* <li>Unicode charsets, such as "UTF-16", "UTF-8", "UTF-16BE" and
* "UTF-16LE", are considered best</li>
* <li>After them, platform default charset is selected</li>
* <li>"US-ASCII" is the worst of supported charsets</li>
* <li>For all other supported charsets, the lexicographically less one
* is considered the better</li>
* </ul>
*
* @param charset1 the first charset to be compared
* @param charset2 the second charset to be compared
* @return a negative integer, zero, or a positive integer as the first
* argument is worse, equal to, or better than the second
*/
public int compare(String charset1, String charset2) {
charset1 = getEncoding(charset1);
charset2 = getEncoding(charset2);
int comp = compareIndices(charsets, charset1, charset2, OTHER_CHARSET_INDEX);
if (comp == 0) {
return charset2.compareTo(charset1);
}
return comp;
}
/**
* Returns encoding for the specified charset according to the following
* rules:
* <ul>
* <li>If the charset is {@code null}, then {@code null} will be
* returned</li>
* <li>Iff the charset specifies an encoding unsupported by this JRE,
* {@code UNSUPPORTED_CHARSET} will be returned</li>
* <li>If the charset specifies an alias name, the corresponding
* canonical name will be returned iff the charset is a known
* Unicode, ASCII, or default charset</li>
* </ul>
*
* @param charset the charset
* @return an encoding for this charset
*/
static String getEncoding(String charset) {
if (charset == null) {
return null;
} else if (!isEncodingSupported(charset)) {
return UNSUPPORTED_CHARSET;
} else {
// Only convert to canonical form if the charset is one
// of the charsets explicitly listed in the known charsets
// map. This will happen only for Unicode, ASCII, or default
// charsets.
String canonicalName = canonicalName(charset);
return (charsets.containsKey(canonicalName))
? canonicalName
: charset;
}
}
}
/**
* An IndexedComparator which compares two DataFlavors. For text flavors,
* the comparison follows the rules outlined in
* {@link DataFlavor#selectBestTextFlavor selectBestTextFlavor}. For
* non-text flavors, unknown application MIME types are preferred, followed
* by known application/x-java-* MIME types. Unknown application types are
* preferred because if the user provides his own data flavor, it will
* likely be the most descriptive one. For flavors which are otherwise
* equal, the flavors' string representation are compared in the
* alphabetical order.
*/
private static class DataFlavorComparator implements Comparator<DataFlavor> {
static final DataFlavorComparator INSTANCE = new DataFlavorComparator();
private static final Map<String, Integer> exactTypes;
private static final Map<String, Integer> primaryTypes;
private static final Map<Class<?>, Integer> nonTextRepresentations;
private static final Map<String, Integer> textTypes;
private static final Map<Class<?>, Integer> decodedTextRepresentations;
private static final Map<Class<?>, Integer> encodedTextRepresentations;
private static final Integer UNKNOWN_OBJECT_LOSES = Integer.MIN_VALUE;
private static final Integer UNKNOWN_OBJECT_WINS = Integer.MAX_VALUE;
static {
{
Map<String, Integer> exactTypesMap = new HashMap<>(4, 1.0f);
// application/x-java-* MIME types
exactTypesMap.put("application/x-java-file-list", 0);
exactTypesMap.put("application/x-java-serialized-object", 1);
exactTypesMap.put("application/x-java-jvm-local-objectref", 2);
exactTypesMap.put("application/x-java-remote-object", 3);
exactTypes = Collections.unmodifiableMap(exactTypesMap);
}
{
Map<String, Integer> primaryTypesMap = new HashMap<>(1, 1.0f);
primaryTypesMap.put("application", 0);
primaryTypes = Collections.unmodifiableMap(primaryTypesMap);
}
{
Map<Class<?>, Integer> nonTextRepresentationsMap = new HashMap<>(3, 1.0f);
nonTextRepresentationsMap.put(java.io.InputStream.class, 0);
nonTextRepresentationsMap.put(java.io.Serializable.class, 1);
nonTextRepresentationsMap.put(RMI.remoteClass(), 2);
nonTextRepresentations = Collections.unmodifiableMap(nonTextRepresentationsMap);
}
{
Map<String, Integer> textTypesMap = new HashMap<>(16, 1.0f);
// plain text
textTypesMap.put("text/plain", 0);
// stringFlavor
textTypesMap.put("application/x-java-serialized-object", 1);
// misc
textTypesMap.put("text/calendar", 2);
textTypesMap.put("text/css", 3);
textTypesMap.put("text/directory", 4);
textTypesMap.put("text/parityfec", 5);
textTypesMap.put("text/rfc822-headers", 6);
textTypesMap.put("text/t140", 7);
textTypesMap.put("text/tab-separated-values", 8);
textTypesMap.put("text/uri-list", 9);
// enriched
textTypesMap.put("text/richtext", 10);
textTypesMap.put("text/enriched", 11);
textTypesMap.put("text/rtf", 12);
// markup
textTypesMap.put("text/html", 13);
textTypesMap.put("text/xml", 14);
textTypesMap.put("text/sgml", 15);
textTypes = Collections.unmodifiableMap(textTypesMap);
}
{
Map<Class<?>, Integer> decodedTextRepresentationsMap = new HashMap<>(4, 1.0f);
decodedTextRepresentationsMap.put(char[].class, 0);
decodedTextRepresentationsMap.put(CharBuffer.class, 1);
decodedTextRepresentationsMap.put(String.class, 2);
decodedTextRepresentationsMap.put(Reader.class, 3);
decodedTextRepresentations =
Collections.unmodifiableMap(decodedTextRepresentationsMap);
}
{
Map<Class<?>, Integer> encodedTextRepresentationsMap = new HashMap<>(3, 1.0f);
encodedTextRepresentationsMap.put(byte[].class, 0);
encodedTextRepresentationsMap.put(ByteBuffer.class, 1);
encodedTextRepresentationsMap.put(InputStream.class, 2);
encodedTextRepresentations =
Collections.unmodifiableMap(encodedTextRepresentationsMap);
}
}
public int compare(DataFlavor flavor1, DataFlavor flavor2) {
if (flavor1.equals(flavor2)) {
return 0;
}
int comp;
String primaryType1 = flavor1.getPrimaryType();
String subType1 = flavor1.getSubType();
String mimeType1 = primaryType1 + "/" + subType1;
Class<?> class1 = flavor1.getRepresentationClass();
String primaryType2 = flavor2.getPrimaryType();
String subType2 = flavor2.getSubType();
String mimeType2 = primaryType2 + "/" + subType2;
Class<?> class2 = flavor2.getRepresentationClass();
if (flavor1.isFlavorTextType() && flavor2.isFlavorTextType()) {
// First, compare MIME types
comp = compareIndices(textTypes, mimeType1, mimeType2, UNKNOWN_OBJECT_LOSES);
if (comp != 0) {
return comp;
}
// Only need to test one flavor because they both have the
// same MIME type. Also don't need to worry about accidentally
// passing stringFlavor because either
// 1. Both flavors are stringFlavor, in which case the
// equality test at the top of the function succeeded.
// 2. Only one flavor is stringFlavor, in which case the MIME
// type comparison returned a non-zero value.
if (doesSubtypeSupportCharset(flavor1)) {
// Next, prefer the decoded text representations of Reader,
// String, CharBuffer, and [C, in that order.
comp = compareIndices(decodedTextRepresentations, class1,
class2, UNKNOWN_OBJECT_LOSES);
if (comp != 0) {
return comp;
}
// Next, compare charsets
comp = CharsetComparator.INSTANCE.compare(getTextCharset(flavor1),
getTextCharset(flavor2));
if (comp != 0) {
return comp;
}
}
// Finally, prefer the encoded text representations of
// InputStream, ByteBuffer, and [B, in that order.
comp = compareIndices(encodedTextRepresentations, class1,
class2, UNKNOWN_OBJECT_LOSES);
if (comp != 0) {
return comp;
}
} else {
// First, prefer text types
if (flavor1.isFlavorTextType()) {
return 1;
}
if (flavor2.isFlavorTextType()) {
return -1;
}
// Next, prefer application types.
comp = compareIndices(primaryTypes, primaryType1, primaryType2,
UNKNOWN_OBJECT_LOSES);
if (comp != 0) {
return comp;
}
// Next, look for application/x-java-* types. Prefer unknown
// MIME types because if the user provides his own data flavor,
// it will likely be the most descriptive one.
comp = compareIndices(exactTypes, mimeType1, mimeType2,
UNKNOWN_OBJECT_WINS);
if (comp != 0) {
return comp;
}
// Finally, prefer the representation classes of Remote,
// Serializable, and InputStream, in that order.
comp = compareIndices(nonTextRepresentations, class1, class2,
UNKNOWN_OBJECT_LOSES);
if (comp != 0) {
return comp;
}
}
// The flavours are not equal but still not distinguishable.
// Compare String representations in alphabetical order
return flavor1.getMimeType().compareTo(flavor2.getMimeType());
}
}
/**
* Given the Map that maps objects to Integer indices and a boolean value,
* this Comparator imposes a direct or reverse order on set of objects.
* <p>
* If the specified boolean value is SELECT_BEST, the Comparator imposes the
* direct index-based order: an object A is greater than an object B if and
* only if the index of A is greater than the index of B. An object that
* doesn't have an associated index is less or equal than any other object.
* <p>
* If the specified boolean value is SELECT_WORST, the Comparator imposes
* the reverse index-based order: an object A is greater than an object B if
* and only if A is less than B with the direct index-based order.
*/
private static class IndexOrderComparator implements Comparator<Long> {
private final Map<Long, Integer> indexMap;
private static final Integer FALLBACK_INDEX = Integer.MIN_VALUE;
public IndexOrderComparator(Map<Long, Integer> indexMap) {
this.indexMap = indexMap;
}
public int compare(Long obj1, Long obj2) {
return compareIndices(indexMap, obj1, obj2, FALLBACK_INDEX);
}
}
private static class TextFlavorComparator extends DataFlavorComparator {
static final TextFlavorComparator INSTANCE = new TextFlavorComparator();
/**
* Compares two {@code DataFlavor} objects. Returns a negative integer,
* zero, or a positive integer as the first {@code DataFlavor} is worse
* than, equal to, or better than the second.
* <p>
* {@code DataFlavor}s are ordered according to the rules outlined for
* {@link DataFlavor#selectBestTextFlavor selectBestTextFlavor}.
*
* @param flavor1 the first {@code DataFlavor} to be compared
* @param flavor2 the second {@code DataFlavor} to be compared
* @return a negative integer, zero, or a positive integer as the first
* argument is worse, equal to, or better than the second
* @throws ClassCastException if either of the arguments is not an
* instance of {@code DataFlavor}
* @throws NullPointerException if either of the arguments is
* {@code null}
* @see DataFlavor#selectBestTextFlavor
*/
public int compare(DataFlavor flavor1, DataFlavor flavor2) {
if (flavor1.isFlavorTextType()) {
if (flavor2.isFlavorTextType()) {
return super.compare(flavor1, flavor2);
} else {
return 1;
}
} else if (flavor2.isFlavorTextType()) {
return -1;
} else {
return 0;
}
}
}
/**
* A fallback implementation of {@link DesktopDatatransferService} used if
* there is no desktop.
*/
private static final class DefaultDesktopDatatransferService implements DesktopDatatransferService {
static final DesktopDatatransferService INSTANCE = getDesktopService();
private static DesktopDatatransferService getDesktopService() {
ServiceLoader<DesktopDatatransferService> loader =
ServiceLoader.load(DesktopDatatransferService.class, null);
Iterator<DesktopDatatransferService> iterator = loader.iterator();
if (iterator.hasNext()) {
return iterator.next();
} else {
return new DefaultDesktopDatatransferService();
}
}
/**
* System singleton FlavorTable. Only used if there is no desktop to
* provide an appropriate FlavorMap.
*/
private volatile FlavorMap flavorMap;
@Override
public void invokeOnEventThread(Runnable r) {
r.run();
}
@Override
public String getDefaultUnicodeEncoding() {
return StandardCharsets.UTF_8.name();
}
@Override
public FlavorMap getFlavorMap(Supplier<FlavorMap> supplier) {
FlavorMap map = flavorMap;
if (map == null) {
synchronized (this) {
map = flavorMap;
if (map == null) {
flavorMap = map = supplier.get();
}
}
}
return map;
}
@Override
public boolean isDesktopPresent() {
return false;
}
@Override
public LinkedHashSet<DataFlavor> getPlatformMappingsForNative(String nat) {
return new LinkedHashSet<>();
}
@Override
public LinkedHashSet<String> getPlatformMappingsForFlavor(DataFlavor df) {
return new LinkedHashSet<>();
}
@Override
public void registerTextFlavorProperties(String nat, String charset,
String eoln, String terminators) {
// Not needed if desktop module is absent
}
}
public static DesktopDatatransferService getDesktopService() {
return DefaultDesktopDatatransferService.INSTANCE;
}
/**
* A class that provides access to {@code java.rmi.Remote} and
* {@code java.rmi.MarshalledObject} without creating a static dependency.
*/
public static class RMI {
private static final Class<?> remoteClass = getClass("java.rmi.Remote");
private static final Class<?> marshallObjectClass = getClass("java.rmi.MarshalledObject");
private static final Constructor<?> marshallCtor = getConstructor(marshallObjectClass, Object.class);
private static final Method marshallGet = getMethod(marshallObjectClass, "get");
private static Class<?> getClass(String name) {
try {
return Class.forName(name, true, null);
} catch (ClassNotFoundException e) {
return null;
}
}
private static Constructor<?> getConstructor(Class<?> c, Class<?>... types) {
try {
return (c == null) ? null : c.getDeclaredConstructor(types);
} catch (NoSuchMethodException x) {
throw new AssertionError(x);
}
}
private static Method getMethod(Class<?> c, String name, Class<?>... types) {
try {
return (c == null) ? null : c.getMethod(name, types);
} catch (NoSuchMethodException e) {
throw new AssertionError(e);
}
}
/**
* Returns {@code java.rmi.Remote.class} if RMI is present; otherwise
* {@code null}.
*/
static Class<?> remoteClass() {
return remoteClass;
}
/**
* Returns {@code true} if the given class is java.rmi.Remote.
*/
public static boolean isRemote(Class<?> c) {
return (remoteClass != null) && remoteClass.isAssignableFrom(c);
}
/**
* Returns a new MarshalledObject containing the serialized
* representation of the given object.
*/
public static Object newMarshalledObject(Object obj) throws IOException {
try {
return marshallCtor == null ? null : marshallCtor.newInstance(obj);
} catch (InstantiationException | IllegalAccessException x) {
throw new AssertionError(x);
} catch (InvocationTargetException x) {
Throwable cause = x.getCause();
if (cause instanceof IOException)
throw (IOException) cause;
throw new AssertionError(x);
}
}
/**
* Returns a new copy of the contained marshalled object.
*/
public static Object getMarshalledObject(Object obj)
throws IOException, ClassNotFoundException {
try {
return marshallGet == null ? null : marshallGet.invoke(obj);
} catch (IllegalAccessException x) {
throw new AssertionError(x);
} catch (InvocationTargetException x) {
Throwable cause = x.getCause();
if (cause instanceof IOException)
throw (IOException) cause;
if (cause instanceof ClassNotFoundException)
throw (ClassNotFoundException) cause;
throw new AssertionError(x);
}
}
}
}
⏎ sun/datatransfer/DataFlavorUtil.java
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⇒ JDK 17 java.desktop.jmod - Desktop Module
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