/* DataFlavor.java -- A type of data to transfer via the clipboard.
- Copyright (C) 1999, 2001, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001, 2004, 2005 Free Software Foundation, Inc.
This file is part of GNU Classpath.
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
+import java.nio.charset.Charset;
import java.rmi.Remote;
/**
// FIXME: Serialization: Need to write methods for.
-/**
- * This is the data flavor used for tranferring plain text. The MIME
- * type is "text/plain; charset=unicode". The representation class
- * is <code>java.io.InputStream</code>.
- *
- * @deprecated The charset unicode is platform specific and InputStream
- * deals with bytes not chars. Use <code>getRederForText()</code>.
- */
-public static final DataFlavor plainTextFlavor;
-
-/**
- * This is the data flavor used for transferring Java strings. The
- * MIME type is "application/x-java-serialized-object" and the
- * representation class is <code>java.lang.String</code>.
- */
-public static final DataFlavor stringFlavor;
-
-/**
- * This is a data flavor used for transferring lists of files. The
- * representation type is a <code>java.util.List</code>, with each element of
- * the list being a <code>java.io.File</code>.
- */
-public static final DataFlavor javaFileListFlavor;
-
-/**
- * This is an image flavor used for transferring images. The
- * representation type is a <code>java.awt.Image</code>.
- */
-public static final DataFlavor imageFlavor;
-
-/**
- * This is the MIME type used for transferring a serialized object.
- * The representation class is the type of object be deserialized.
- */
-public static final String javaSerializedObjectMimeType =
- "application/x-java-serialized-object";
-
-/**
- * This is the MIME type used to transfer a Java object reference within
- * the same JVM. The representation class is the class of the object
- * being transferred.
- */
-public static final String javaJVMLocalObjectMimeType =
- "application/x-java-jvm-local-objectref";
-
-/**
- * This is the MIME type used to transfer a link to a remote object.
- * The representation class is the type of object being linked to.
- */
-public static final String javaRemoteObjectMimeType =
- "application/x-java-remote-object";
-
-static
-{
- plainTextFlavor
- = new DataFlavor(java.io.InputStream.class,
- "text/plain; charset=unicode",
- "plain unicode text");
-
- stringFlavor
- = new DataFlavor(java.lang.String.class,
- "Java Unicode String");
-
- javaFileListFlavor
- = new DataFlavor(java.util.List.class,
- "application/x-java-file-list; class=java.util.List",
- "Java File List");
-
- imageFlavor
- = new DataFlavor(java.awt.Image.class,
- "Java Image");
-}
-
-/*************************************************************************/
+ /**
+ * This is the data flavor used for tranferring plain text. The MIME
+ * type is "text/plain; charset=unicode". The representation class
+ * is <code>java.io.InputStream</code>.
+ *
+ * @deprecated The charset unicode is platform specific and InputStream
+ * deals with bytes not chars. Use <code>getRederForText()</code>.
+ */
+ public static final DataFlavor plainTextFlavor =
+ new DataFlavor(java.io.InputStream.class,
+ "text/plain; charset=unicode",
+ "plain unicode text");
-/*
- * Instance Variables
- */
+ /**
+ * This is the data flavor used for transferring Java strings. The
+ * MIME type is "application/x-java-serialized-object" and the
+ * representation class is <code>java.lang.String</code>.
+ */
+ public static final DataFlavor stringFlavor =
+ new DataFlavor(java.lang.String.class, "Java Unicode String");
-// The MIME type for this flavor
-private final String mimeType;
+ /**
+ * This is a data flavor used for transferring lists of files. The
+ * representation type is a <code>java.util.List</code>, with each
+ * element of the list being a <code>java.io.File</code>.
+ */
+ public static final DataFlavor javaFileListFlavor =
+ new DataFlavor(java.util.List.class,
+ "application/x-java-file-list; class=java.util.List",
+ "Java File List");
-// The representation class for this flavor
-private final Class representationClass;
+ /**
+ * This is an image flavor used for transferring images. The
+ * representation type is a <code>java.awt.Image</code>.
+ */
+ public static final DataFlavor imageFlavor =
+ new DataFlavor(java.awt.Image.class, "Java Image");
-// The human readable name of this flavor
-private String humanPresentableName;
+ /**
+ * This is the MIME type used for transferring a serialized object.
+ * The representation class is the type of object be deserialized.
+ */
+ public static final String javaSerializedObjectMimeType =
+ "application/x-java-serialized-object";
-/*************************************************************************/
+ /**
+ * This is the MIME type used to transfer a Java object reference within
+ * the same JVM. The representation class is the class of the object
+ * being transferred.
+ */
+ public static final String javaJVMLocalObjectMimeType =
+ "application/x-java-jvm-local-objectref";
-/*
- * Static Methods
- */
+ /**
+ * This is the MIME type used to transfer a link to a remote object.
+ * The representation class is the type of object being linked to.
+ */
+ public static final String javaRemoteObjectMimeType =
+ "application/x-java-remote-object";
-/**
- * This method attempts to load the named class. The following class
- * loaders are searched in order: the bootstrap class loader, the
- * system class loader, the context class loader (if it exists), and
- * the specified fallback class loader.
- *
- * @param className The name of the class to load.
- * @param classLoader The class loader to use if all others fail, which
- * may be <code>null</code>.
- *
- * @exception ClassNotFoundException If the class cannot be loaded.
- */
-protected static final Class
-tryToLoadClass(String className, ClassLoader classLoader)
- throws ClassNotFoundException
-{
- try
- {
- return(Class.forName(className));
- }
- catch(Exception e) { ; }
- // Commented out for Java 1.1
/*
- try
- {
- return(className.getClass().getClassLoader().findClass(className));
- }
- catch(Exception e) { ; }
-
- try
- {
- return(ClassLoader.getSystemClassLoader().findClass(className));
- }
- catch(Exception e) { ; }
- */
+ * Instance Variables
+ */
+
+ // The MIME type for this flavor
+ private final String mimeType;
+
+ // The representation class for this flavor
+ private final Class representationClass;
+
+ // The human readable name of this flavor
+ private String humanPresentableName;
- // FIXME: What is the context class loader?
/*
- try
+ * Static Methods
+ */
+
+ /**
+ * This method attempts to load the named class. The following class
+ * loaders are searched in order: the bootstrap class loader, the
+ * system class loader, the context class loader (if it exists), and
+ * the specified fallback class loader.
+ *
+ * @param className The name of the class to load.
+ * @param classLoader The class loader to use if all others fail, which
+ * may be <code>null</code>.
+ *
+ * @exception ClassNotFoundException If the class cannot be loaded.
+ */
+ protected static final Class tryToLoadClass(String className,
+ ClassLoader classLoader)
+ throws ClassNotFoundException
+ {
+ try
+ {
+ return(Class.forName(className));
+ }
+ catch(Exception e) { ; }
+ // Commented out for Java 1.1
+ /*
+ try
+ {
+ return(className.getClass().getClassLoader().findClass(className));
+ }
+ catch(Exception e) { ; }
+
+ try
+ {
+ return(ClassLoader.getSystemClassLoader().findClass(className));
+ }
+ catch(Exception e) { ; }
+ */
+
+ // FIXME: What is the context class loader?
+ /*
+ try
+ {
+ }
+ catch(Exception e) { ; }
+ */
+
+ if (classLoader != null)
+ return(classLoader.loadClass(className));
+ else
+ throw new ClassNotFoundException(className);
+ }
+
+ private static Class getRepresentationClassFromMime(String mimeString,
+ ClassLoader classLoader)
{
+ String classname = getParameter("class", mimeString);
+ if (classname != null)
+ {
+ try
+ {
+ return tryToLoadClass(classname, classLoader);
+ }
+ catch(Exception e)
+ {
+ throw new IllegalArgumentException("classname: " + e.getMessage());
+ }
+ }
+ else
+ return java.io.InputStream.class;
}
- catch(Exception e) { ; }
- */
-
- if (classLoader != null)
- return(classLoader.loadClass(className));
- else
- throw new ClassNotFoundException(className);
-}
-
-/*************************************************************************/
+
+ /**
+ * Returns the value of the named MIME type parameter, or <code>null</code>
+ * if the parameter does not exist. Given the parameter name and the mime
+ * string.
+ *
+ * @param paramName The name of the parameter.
+ * @param mimeString The mime string from where the name should be found.
+ *
+ * @return The value of the parameter or null.
+ */
+ private static String getParameter(String paramName, String mimeString)
+ {
+ int idx = mimeString.indexOf(paramName + "=");
+ if (idx == -1)
+ return(null);
+
+ String value = mimeString.substring(idx + paramName.length() + 1);
+
+ idx = value.indexOf(" ");
+ if (idx == -1)
+ return(value);
+ else
+ return(value.substring(0, idx));
+ }
+
+ /**
+ * XXX - Currently returns <code>plainTextFlavor</code>.
+ */
+ public static final DataFlavor getTextPlainUnicodeFlavor()
+ {
+ return plainTextFlavor;
+ }
+
+ /**
+ * Selects the best supported text flavor on this implementation.
+ * Returns <code>null</code> when none of the given flavors is liked.
+ *
+ * The <code>DataFlavor</code> returned the first data flavor in the
+ * array that has either a representation class which is (a subclass of)
+ * <code>Reader</code> or <code>String</code>, or has a representation
+ * class which is (a subclass of) <code>InputStream</code> and has a
+ * primary MIME type of "text" and has an supported encoding.
+ */
+ public static final DataFlavor
+ selectBestTextFlavor(DataFlavor[] availableFlavors)
+ {
+ for(int i = 0; i < availableFlavors.length; i++)
+ {
+ DataFlavor df = availableFlavors[i];
+ Class c = df.representationClass;
+
+ // A Reader or String is good.
+ if ((Reader.class.isAssignableFrom(c))
+ || (String.class.isAssignableFrom(c)))
+ return df;
+
+ // A InputStream is good if the mime primary type is "text"
+ if ((InputStream.class.isAssignableFrom(c))
+ && ("text".equals(df.getPrimaryType())))
+ {
+ String encoding = availableFlavors[i].getParameter("charset");
+ if (encoding == null)
+ encoding = "us-ascii";
+ Reader r = null;
+ try
+ {
+ // Try to construct a dummy reader with the found encoding
+ r = new InputStreamReader
+ (new ByteArrayInputStream(new byte[0]), encoding);
+ }
+ catch(UnsupportedEncodingException uee) { /* ignore */ }
+
+ if (r != null)
+ return df;
+ }
+ }
+
+ // Nothing found
+ return null;
+ }
-/*
- * Constructors
- */
-/**
- * Empty public constructor needed for externalization.
- * Should not be used for normal instantiation.
- */
-public
-DataFlavor()
-{
+ /*
+ * Constructors
+ */
+
+ /**
+ * Empty public constructor needed for externalization.
+ * Should not be used for normal instantiation.
+ */
+ public DataFlavor()
+ {
mimeType = null;
representationClass = null;
humanPresentableName = null;
-}
-
-/*************************************************************************/
+ }
-/**
- * Private constructor.
- */
-private
-DataFlavor(Class representationClass,
- String mimeType,
- String humanPresentableName)
-{
+ /**
+ * Private constructor.
+ */
+ private DataFlavor(Class representationClass,
+ String mimeType,
+ String humanPresentableName)
+ {
this.representationClass = representationClass;
this.mimeType = mimeType;
if (humanPresentableName != null)
- this.humanPresentableName = humanPresentableName;
+ this.humanPresentableName = humanPresentableName;
else
- this.humanPresentableName = mimeType;
-}
-
-/*************************************************************************/
+ this.humanPresentableName = mimeType;
+ }
-/**
- * Initializes a new instance of <code>DataFlavor</code>. The class
- * and human readable name are specified, the MIME type will be
- * "application/x-java-serialized-object". If the human readable name
- * is not specified (<code>null</code>) then the human readable name
- * will be the same as the MIME type.
- *
- * @param representationClass The representation class for this object.
- * @param humanPresentableName The display name of the object.
- */
-public
-DataFlavor(Class representationClass, String humanPresentableName)
-{
+ /**
+ * Initializes a new instance of <code>DataFlavor</code>. The class
+ * and human readable name are specified, the MIME type will be
+ * "application/x-java-serialized-object". If the human readable name
+ * is not specified (<code>null</code>) then the human readable name
+ * will be the same as the MIME type.
+ *
+ * @param representationClass The representation class for this object.
+ * @param humanPresentableName The display name of the object.
+ */
+ public DataFlavor(Class representationClass, String humanPresentableName)
+ {
this(representationClass,
- "application/x-java-serialized-object"
- + "; class="
- + representationClass.getName(),
- humanPresentableName);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>DataFlavor</code> with the
- * specified MIME type and description. If the MIME type has a
- * "class=<rep class>" parameter then the representation class will
- * be the class name specified. Otherwise the class defaults to
- * <code>java.io.InputStream</code>. If the human readable name
- * is not specified (<code>null</code>) then the human readable name
- * will be the same as the MIME type.
- *
- * @param mimeType The MIME type for this flavor.
- * @param humanPresentableName The display name of this flavor.
- * @param classLoader The class loader for finding classes if the default
- * class loaders do not work.
- *
- * @exception IllegalArgumentException If the representation class
- * specified cannot be loaded.
- * @exception ClassNotFoundException If the class is not loaded.
- */
-public
-DataFlavor(String mimeType, String humanPresentableName,
- ClassLoader classLoader) throws ClassNotFoundException
-{
- this(getRepresentationClassFromMime(mimeType, classLoader),
- mimeType, humanPresentableName);
-}
-
-private static Class
-getRepresentationClassFromMime(String mimeString, ClassLoader classLoader)
-{
- String classname = getParameter("class", mimeString);
- if (classname != null)
- {
- try
- {
- return tryToLoadClass(classname, classLoader);
- }
- catch(Exception e)
- {
- throw new IllegalArgumentException("classname: " + e.getMessage());
- }
- }
- else
- {
- return java.io.InputStream.class;
- }
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>DataFlavor</code> with the
- * specified MIME type and description. If the MIME type has a
- * "class=<rep class>" parameter then the representation class will
- * be the class name specified. Otherwise the class defaults to
- * <code>java.io.InputStream</code>. If the human readable name
- * is not specified (<code>null</code>) then the human readable name
- * will be the same as the MIME type. This is the same as calling
- * <code>new DataFlavor(mimeType, humanPresentableName, null)</code>.
- *
- * @param mimeType The MIME type for this flavor.
- * @param humanPresentableName The display name of this flavor.
- *
- * @exception IllegalArgumentException If the representation class
- * specified cannot be loaded.
- */
-public
-DataFlavor(String mimeType, String humanPresentableName)
-{
- this (getRepresentationClassFromMime (mimeType, null),
- mimeType, humanPresentableName);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>DataFlavor</code> with the specified
- * MIME type. This type can have a "class=" parameter to specify the
- * representation class, and then the class must exist or an exception will
- * be thrown. If there is no "class=" parameter then the representation class
- * will be <code>java.io.InputStream</code>. This is the same as calling
- * <code>new DataFlavor(mimeType, null)</code>.
- *
- * @param mimeType The MIME type for this flavor.
- *
- * @exception IllegalArgumentException If a class is not specified in
- * the MIME type.
- * @exception ClassNotFoundException If the class cannot be loaded.
- */
-public
-DataFlavor(String mimeType) throws ClassNotFoundException
-{
- this(mimeType, null);
-}
-
-/*************************************************************************/
-
-/**
- * Returns the MIME type of this flavor.
- *
- * @return The MIME type for this flavor.
- */
-public String
-getMimeType()
-{
- return(mimeType);
-}
-
-/*************************************************************************/
-
-/**
- * Returns the representation class for this flavor.
- *
- * @return The representation class for this flavor.
- */
-public Class
-getRepresentationClass()
-{
- return(representationClass);
-}
-
-/*************************************************************************/
-
-/**
- * Returns the human presentable name for this flavor.
- *
- * @return The human presentable name for this flavor.
- */
-public String
-getHumanPresentableName()
-{
- return(humanPresentableName);
-}
-
-/*************************************************************************/
-
-/**
- * Returns the primary MIME type for this flavor.
- *
- * @return The primary MIME type for this flavor.
- */
-public String
-getPrimaryType()
-{
- int idx = mimeType.indexOf("/");
- if (idx == -1)
- return(mimeType);
-
- return(mimeType.substring(0, idx));
-}
-
-/*************************************************************************/
-
-/**
- * Returns the MIME subtype for this flavor.
- *
- * @return The MIME subtype for this flavor.
- */
-public String
-getSubType()
-{
- int start = mimeType.indexOf("/");
- if (start == -1)
- return "";
-
- int end = mimeType.indexOf(";", start + 1);
- if (end == -1)
- return mimeType.substring(start + 1);
- else
- return mimeType.substring(start + 1, end);
-}
-
-/*************************************************************************/
-
-/**
- * Returns the value of the named MIME type parameter, or <code>null</code>
- * if the parameter does not exist. Given the parameter name and the mime
- * string.
- *
- * @param paramName The name of the parameter.
- * @param mimeString The mime string from where the name should be found.
- *
- * @return The value of the parameter or null.
- */
-private static String
-getParameter(String paramName, String mimeString)
-{
- int idx = mimeString.indexOf(paramName + "=");
- if (idx == -1)
- return(null);
-
- String value = mimeString.substring(idx + paramName.length() + 1);
-
- idx = value.indexOf(" ");
- if (idx == -1)
- return(value);
- else
- return(value.substring(0, idx));
-}
-
-/*************************************************************************/
-
-/**
- * Returns the value of the named MIME type parameter, or <code>null</code>
- * if the parameter does not exist.
- *
- * @param paramName The name of the paramter.
- *
- * @return The value of the parameter.
- */
-public String
-getParameter(String paramName)
-{
- if ("humanPresentableName".equals(paramName))
- return getHumanPresentableName();
-
- return getParameter(paramName, mimeType);
-}
-
-/*************************************************************************/
-
-/**
- * Sets the human presentable name to the specified value.
- *
- * @param humanPresentableName The new display name.
- */
-public void
-setHumanPresentableName(String humanPresentableName)
-{
- this.humanPresentableName = humanPresentableName;
-}
-
-/*************************************************************************/
-
-/**
- * Tests the MIME type of this object for equality against the specified
- * MIME type. Ignores parameters.
- *
- * @param mimeType The MIME type to test against.
- *
- * @return <code>true</code> if the MIME type is equal to this object's
- * MIME type (ignoring parameters), <code>false</code> otherwise.
- *
- * @exception NullPointerException If mimeType is null.
- */
-public boolean
-isMimeTypeEqual(String mimeType)
-{
- String mime = getMimeType();
- int i = mime.indexOf(";");
- if (i != -1)
- mime = mime.substring(0, i);
-
- i = mimeType.indexOf(";");
- if (i != -1)
- mimeType = mimeType.substring(0, i);
-
- return mime.equals(mimeType);
-}
-
-/*************************************************************************/
-
-/**
- * Tests the MIME type of this object for equality against the specified
- * data flavor's MIME type
- *
- * @param flavor The flavor to test against.
- *
- * @return <code>true</code> if the flavor's MIME type is equal to this
- * object's MIME type, <code>false</code> otherwise.
- */
-public final boolean
-isMimeTypeEqual(DataFlavor flavor)
-{
- return(isMimeTypeEqual(flavor.getMimeType()));
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether or not this flavor represents a serialized object.
- *
- * @return <code>true</code> if this flavor represents a serialized
- * object, <code>false</code> otherwise.
- */
-public boolean
-isMimeTypeSerializedObject()
-{
- return(mimeType.startsWith(javaSerializedObjectMimeType));
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether or not this flavor has a representation class of
- * <code>java.io.InputStream</code>.
- *
- * @return <code>true</code> if the representation class of this flavor
- * is <code>java.io.InputStream</code>, <code>false</code> otherwise.
- */
-public boolean
-isRepresentationClassInputStream()
-{
- return(representationClass.getName().equals("java.io.InputStream"));
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether the representation class for this flavor is
- * serializable.
- *
- * @return <code>true</code> if the representation class is serializable,
- * <code>false</code> otherwise.
- */
-public boolean
-isRepresentationClassSerializable()
-{
- Class[] interfaces = representationClass.getInterfaces();
-
- int i = 0;
- while (i < interfaces.length)
- {
- if (interfaces[i].getName().equals("java.io.Serializable"))
- return(true);
- ++i;
- }
-
- return(false);
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether the representation class for his flavor is remote.
- *
- * @return <code>true</code> if the representation class is remote,
- * <code>false</code> otherwise.
- */
-public boolean
-isRepresentationClassRemote()
-{
- return Remote.class.isAssignableFrom (representationClass);
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether or not this flavor represents a serialized object.
- *
- * @return <code>true</code> if this flavor represents a serialized
- * object, <code>false</code> otherwise.
- */
-public boolean
-isFlavorSerializedObjectType()
-{
- // FIXME: What is the diff between this and isMimeTypeSerializedObject?
- return(mimeType.startsWith(javaSerializedObjectMimeType));
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether or not this flavor represents a remote object.
- *
- * @return <code>true</code> if this flavor represents a remote object,
- * <code>false</code> otherwise.
- */
-public boolean
-isFlavorRemoteObjectType()
-{
- return(mimeType.startsWith(javaRemoteObjectMimeType));
-}
-
-/*************************************************************************/
-
-/**
- * Tests whether or not this flavor represents a list of files.
- *
- * @return <code>true</code> if this flavor represents a list of files,
- * <code>false</code> otherwise.
- */
-public boolean
-isFlavorJavaFileListType()
-{
- if (this.mimeType.equals(javaFileListFlavor.mimeType) &&
- this.representationClass.equals(javaFileListFlavor.representationClass))
- return(true);
-
- return(false);
-}
-
-/*************************************************************************/
+ "application/x-java-serialized-object"
+ + "; class="
+ + representationClass.getName(),
+ humanPresentableName);
+ }
-/**
- * Returns a copy of this object.
- *
- * @return A copy of this object.
- *
- * @exception CloneNotSupportedException If the object's class does not support
- * the Cloneable interface. Subclasses that override the clone method can also
- * throw this exception to indicate that an instance cannot be cloned.
- */
-public Object clone () throws CloneNotSupportedException
-{
- try
- {
- return(super.clone());
- }
- catch(Exception e)
- {
- return(null);
- }
-}
+ /**
+ * Initializes a new instance of <code>DataFlavor</code> with the
+ * specified MIME type and description. If the MIME type has a
+ * "class=<rep class>" parameter then the representation class will
+ * be the class name specified. Otherwise the class defaults to
+ * <code>java.io.InputStream</code>. If the human readable name
+ * is not specified (<code>null</code>) then the human readable name
+ * will be the same as the MIME type.
+ *
+ * @param mimeType The MIME type for this flavor.
+ * @param humanPresentableName The display name of this flavor.
+ * @param classLoader The class loader for finding classes if the default
+ * class loaders do not work.
+ *
+ * @exception IllegalArgumentException If the representation class
+ * specified cannot be loaded.
+ * @exception ClassNotFoundException If the class is not loaded.
+ */
+ public DataFlavor(String mimeType, String humanPresentableName,
+ ClassLoader classLoader)
+ throws ClassNotFoundException
+ {
+ this(getRepresentationClassFromMime(mimeType, classLoader),
+ mimeType, humanPresentableName);
+ }
-/*************************************************************************/
+ /**
+ * Initializes a new instance of <code>DataFlavor</code> with the
+ * specified MIME type and description. If the MIME type has a
+ * "class=<rep class>" parameter then the representation class will
+ * be the class name specified. Otherwise the class defaults to
+ * <code>java.io.InputStream</code>. If the human readable name
+ * is not specified (<code>null</code>) then the human readable name
+ * will be the same as the MIME type. This is the same as calling
+ * <code>new DataFlavor(mimeType, humanPresentableName, null)</code>.
+ *
+ * @param mimeType The MIME type for this flavor.
+ * @param humanPresentableName The display name of this flavor.
+ *
+ * @exception IllegalArgumentException If the representation class
+ * specified cannot be loaded.
+ */
+ public DataFlavor(String mimeType, String humanPresentableName)
+ {
+ this(getRepresentationClassFromMime (mimeType, null),
+ mimeType, humanPresentableName);
+ }
-/**
- * This method test the specified <code>DataFlavor</code> for equality
- * against this object. This will be true if the MIME type and
- * representation type are the equal.
- *
- * @param flavor The <code>DataFlavor</code> to test against.
- *
- * @return <code>true</code> if the flavor is equal to this object,
- * <code>false</code> otherwise.
- */
-public boolean
-equals(DataFlavor flavor)
-{
- if (flavor == null)
- return(false);
+ /**
+ * Initializes a new instance of <code>DataFlavor</code> with the specified
+ * MIME type. This type can have a "class=" parameter to specify the
+ * representation class, and then the class must exist or an exception will
+ * be thrown. If there is no "class=" parameter then the representation class
+ * will be <code>java.io.InputStream</code>. This is the same as calling
+ * <code>new DataFlavor(mimeType, null)</code>.
+ *
+ * @param mimeType The MIME type for this flavor.
+ *
+ * @exception IllegalArgumentException If a class is not specified in
+ * the MIME type.
+ * @exception ClassNotFoundException If the class cannot be loaded.
+ */
+ public DataFlavor(String mimeType) throws ClassNotFoundException
+ {
+ this(mimeType, null);
+ }
- if (!this.mimeType.toLowerCase().equals(flavor.mimeType.toLowerCase()))
- return(false);
+ /**
+ * Returns the MIME type of this flavor.
+ *
+ * @return The MIME type for this flavor.
+ */
+ public String getMimeType()
+ {
+ return(mimeType);
+ }
- if (!this.representationClass.equals(flavor.representationClass))
- return(false);
+ /**
+ * Returns the representation class for this flavor.
+ *
+ * @return The representation class for this flavor.
+ */
+ public Class getRepresentationClass()
+ {
+ return(representationClass);
+ }
- return(true);
-}
+ /**
+ * Returns the human presentable name for this flavor.
+ *
+ * @return The human presentable name for this flavor.
+ */
+ public String getHumanPresentableName()
+ {
+ return(humanPresentableName);
+ }
-/*************************************************************************/
+ /**
+ * Returns the primary MIME type for this flavor.
+ *
+ * @return The primary MIME type for this flavor.
+ */
+ public String getPrimaryType()
+ {
+ int idx = mimeType.indexOf("/");
+ if (idx == -1)
+ return(mimeType);
+
+ return(mimeType.substring(0, idx));
+ }
-/**
- * This method test the specified <code>Object</code> for equality
- * against this object. This will be true if the following conditions
- * are met:
- * <p>
- * <ul>
- * <li>The object is not <code>null</code>.</li>
- * <li>The object is an instance of <code>DataFlavor</code>.</li>
- * <li>The object's MIME type and representation class are equal to
- * this object's.</li>
- * </ul>
- *
- * @param obj The <code>Object</code> to test against.
- *
- * @return <code>true</code> if the flavor is equal to this object,
- * <code>false</code> otherwise.
- */
-public boolean
-equals(Object obj)
-{
- if (!(obj instanceof DataFlavor))
- return(false);
+ /**
+ * Returns the MIME subtype for this flavor.
+ *
+ * @return The MIME subtype for this flavor.
+ */
+ public String getSubType()
+ {
+ int start = mimeType.indexOf("/");
+ if (start == -1)
+ return "";
+
+ int end = mimeType.indexOf(";", start + 1);
+ if (end == -1)
+ return mimeType.substring(start + 1);
+ else
+ return mimeType.substring(start + 1, end);
+ }
- return(equals((DataFlavor)obj));
-}
+ /**
+ * Returns the value of the named MIME type parameter, or <code>null</code>
+ * if the parameter does not exist.
+ *
+ * @param paramName The name of the paramter.
+ *
+ * @return The value of the parameter.
+ */
+ public String getParameter(String paramName)
+ {
+ if ("humanPresentableName".equals(paramName))
+ return getHumanPresentableName();
+
+ return getParameter(paramName, mimeType);
+ }
-/*************************************************************************/
+ /**
+ * Sets the human presentable name to the specified value.
+ *
+ * @param humanPresentableName The new display name.
+ */
+ public void setHumanPresentableName(String humanPresentableName)
+ {
+ this.humanPresentableName = humanPresentableName;
+ }
-/**
- * Tests whether or not the specified string is equal to the MIME type
- * of this object.
- *
- * @param str The string to test against.
- *
- * @return <code>true</code> if the string is equal to this object's MIME
- * type, <code>false</code> otherwise.
- *
- * @deprecated Not compatible with <code>hashCode()</code>.
- * Use <code>isMimeTypeEqual()</code>
- */
-public boolean
-equals(String str)
-{
- return(isMimeTypeEqual(str));
-}
+ /**
+ * Tests the MIME type of this object for equality against the specified
+ * MIME type. Ignores parameters.
+ *
+ * @param mimeType The MIME type to test against.
+ *
+ * @return <code>true</code> if the MIME type is equal to this object's
+ * MIME type (ignoring parameters), <code>false</code> otherwise.
+ *
+ * @exception NullPointerException If mimeType is null.
+ */
+ public boolean isMimeTypeEqual(String mimeType)
+ {
+ String mime = getMimeType();
+ int i = mime.indexOf(";");
+ if (i != -1)
+ mime = mime.substring(0, i);
+
+ i = mimeType.indexOf(";");
+ if (i != -1)
+ mimeType = mimeType.substring(0, i);
+
+ return mime.equals(mimeType);
+ }
-/*************************************************************************/
+ /**
+ * Tests the MIME type of this object for equality against the specified
+ * data flavor's MIME type
+ *
+ * @param flavor The flavor to test against.
+ *
+ * @return <code>true</code> if the flavor's MIME type is equal to this
+ * object's MIME type, <code>false</code> otherwise.
+ */
+ public final boolean isMimeTypeEqual(DataFlavor flavor)
+ {
+ return isMimeTypeEqual(flavor.getMimeType());
+ }
-/**
- * Returns the hash code for this data flavor.
- * The hash code is based on the (lower case) mime type and the
- * representation class.
- */
-public int
-hashCode()
-{
- return(mimeType.toLowerCase().hashCode()^representationClass.hashCode());
-}
+ /**
+ * Tests whether or not this flavor represents a serialized object.
+ *
+ * @return <code>true</code> if this flavor represents a serialized
+ * object, <code>false</code> otherwise.
+ */
+ public boolean isMimeTypeSerializedObject()
+ {
+ return mimeType.startsWith(javaSerializedObjectMimeType);
+ }
-/*************************************************************************/
+ /**
+ * Tests whether or not this flavor has a representation class of
+ * <code>java.io.InputStream</code>.
+ *
+ * @return <code>true</code> if the representation class of this flavor
+ * is <code>java.io.InputStream</code>, <code>false</code> otherwise.
+ */
+ public boolean isRepresentationClassInputStream()
+ {
+ return representationClass.getName().equals("java.io.InputStream");
+ }
-/**
- * Returns <code>true</code> when the given <code>DataFlavor</code>
- * matches this one.
- */
-public boolean
-match(DataFlavor dataFlavor)
-{
- // XXX - How is this different from equals?
- return(equals(dataFlavor));
-}
+ /**
+ * Tests whether the representation class for this flavor is
+ * serializable.
+ *
+ * @return <code>true</code> if the representation class is serializable,
+ * <code>false</code> otherwise.
+ */
+ public boolean isRepresentationClassSerializable()
+ {
+ Class[] interfaces = representationClass.getInterfaces();
+
+ int i = 0;
+ while (i < interfaces.length)
+ {
+ if (interfaces[i].getName().equals("java.io.Serializable"))
+ return true;
+ ++i;
+ }
+
+ return false;
+ }
-/*************************************************************************/
+ /**
+ * Tests whether the representation class for his flavor is remote.
+ *
+ * @return <code>true</code> if the representation class is remote,
+ * <code>false</code> otherwise.
+ */
+ public boolean isRepresentationClassRemote()
+ {
+ return Remote.class.isAssignableFrom (representationClass);
+ }
-/**
- * This method exists for backward compatibility. It simply returns
- * the same name/value pair passed in.
- *
- * @param name The parameter name.
- * @param value The parameter value.
- *
- * @return The name/value pair.
- *
- * @deprecated
- */
-protected String
-normalizeMimeTypeParameter(String name, String value)
-{
- return(name + "=" + value);
-}
+ /**
+ * Tests whether or not this flavor represents a serialized object.
+ *
+ * @return <code>true</code> if this flavor represents a serialized
+ * object, <code>false</code> otherwise.
+ */
+ public boolean isFlavorSerializedObjectType()
+ {
+ // FIXME: What is the diff between this and isMimeTypeSerializedObject?
+ return(mimeType.startsWith(javaSerializedObjectMimeType));
+ }
-/*************************************************************************/
+ /**
+ * Tests whether or not this flavor represents a remote object.
+ *
+ * @return <code>true</code> if this flavor represents a remote object,
+ * <code>false</code> otherwise.
+ */
+ public boolean isFlavorRemoteObjectType()
+ {
+ return(mimeType.startsWith(javaRemoteObjectMimeType));
+ }
-/**
- * This method exists for backward compatibility. It simply returns
- * the MIME type string unchanged.
- *
- * @param type The MIME type.
- *
- * @return The MIME type.
- *
- * @deprecated
- */
-protected String
-normalizeMimeType(String type)
-{
- return(type);
-}
+ /**
+ * Tests whether or not this flavor represents a list of files.
+ *
+ * @return <code>true</code> if this flavor represents a list of files,
+ * <code>false</code> otherwise.
+ */
+ public boolean isFlavorJavaFileListType()
+ {
+ if (mimeType.equals(javaFileListFlavor.mimeType)
+ && representationClass.equals(javaFileListFlavor.representationClass))
+ return true;
+
+ return false ;
+ }
-/*************************************************************************/
+ /**
+ * Returns a copy of this object.
+ *
+ * @return A copy of this object.
+ *
+ * @exception CloneNotSupportedException If the object's class does not support
+ * the Cloneable interface. Subclasses that override the clone method can also
+ * throw this exception to indicate that an instance cannot be cloned.
+ */
+ public Object clone () throws CloneNotSupportedException
+ {
+ // FIXME - This cannot be right.
+ try
+ {
+ return super.clone();
+ }
+ catch(Exception e)
+ {
+ return null;
+ }
+ }
-/**
- * Serialize this class.
- *
- * @param stream The <code>ObjectOutput</code> stream to serialize to.
- *
- * @exception IOException If an error occurs.
- */
-public void
-writeExternal(ObjectOutput stream) throws IOException
-{
- // FIXME: Implement me
-}
+ /**
+ * This method test the specified <code>DataFlavor</code> for equality
+ * against this object. This will be true if the MIME type and
+ * representation type are the equal.
+ *
+ * @param flavor The <code>DataFlavor</code> to test against.
+ *
+ * @return <code>true</code> if the flavor is equal to this object,
+ * <code>false</code> otherwise.
+ */
+ public boolean equals(DataFlavor flavor)
+ {
+ if (flavor == null)
+ return false;
+
+ if (! this.mimeType.toLowerCase().equals(flavor.mimeType.toLowerCase()))
+ return false;
+
+ if (! this.representationClass.equals(flavor.representationClass))
+ return false;
+
+ return true;
+ }
-/*************************************************************************/
+ /**
+ * This method test the specified <code>Object</code> for equality
+ * against this object. This will be true if the following conditions
+ * are met:
+ * <p>
+ * <ul>
+ * <li>The object is not <code>null</code>.</li>
+ * <li>The object is an instance of <code>DataFlavor</code>.</li>
+ * <li>The object's MIME type and representation class are equal to
+ * this object's.</li>
+ * </ul>
+ *
+ * @param obj The <code>Object</code> to test against.
+ *
+ * @return <code>true</code> if the flavor is equal to this object,
+ * <code>false</code> otherwise.
+ */
+ public boolean equals(Object obj)
+ {
+ if (! (obj instanceof DataFlavor))
+ return false;
+
+ return equals((DataFlavor) obj);
+ }
-/**
- * De-serialize this class.
- *
- * @param stream The <code>ObjectInput</code> stream to deserialize from.
- *
- * @exception IOException If an error ocurs.
- * @exception ClassNotFoundException If the class for an object being restored
- * cannot be found.
- */
-public void
-readExternal(ObjectInput stream) throws IOException, ClassNotFoundException
-{
- // FIXME: Implement me
-}
+ /**
+ * Tests whether or not the specified string is equal to the MIME type
+ * of this object.
+ *
+ * @param str The string to test against.
+ *
+ * @return <code>true</code> if the string is equal to this object's MIME
+ * type, <code>false</code> otherwise.
+ *
+ * @deprecated Not compatible with <code>hashCode()</code>.
+ * Use <code>isMimeTypeEqual()</code>
+ */
+ public boolean equals(String str)
+ {
+ return isMimeTypeEqual(str);
+ }
-/*************************************************************************/
+ /**
+ * Returns the hash code for this data flavor.
+ * The hash code is based on the (lower case) mime type and the
+ * representation class.
+ */
+ public int hashCode()
+ {
+ return mimeType.toLowerCase().hashCode() ^ representationClass.hashCode();
+ }
-/**
- * Returns a string representation of this DataFlavor. Including the
- * representation class name, MIME type and human presentable name.
- */
-public String
-toString()
-{
- return(getClass().getName()
- + "[representationClass=" + getRepresentationClass().getName()
- + ",mimeType=" + getMimeType()
- + ",humanPresentableName=" + getHumanPresentableName()
- + "]");
-}
+ /**
+ * Returns <code>true</code> when the given <code>DataFlavor</code>
+ * matches this one.
+ */
+ public boolean match(DataFlavor dataFlavor)
+ {
+ // XXX - How is this different from equals?
+ return equals(dataFlavor);
+ }
-/*************************************************************************/
+ /**
+ * This method exists for backward compatibility. It simply returns
+ * the same name/value pair passed in.
+ *
+ * @param name The parameter name.
+ * @param value The parameter value.
+ *
+ * @return The name/value pair.
+ *
+ * @deprecated
+ */
+ protected String normalizeMimeTypeParameter(String name, String value)
+ {
+ return name + "=" + value;
+ }
-/**
- * XXX - Currently returns <code>plainTextFlavor</code>.
- */
-public static final DataFlavor
-getTextPlainUnicodeFlavor()
-{
- return(plainTextFlavor);
-}
+ /**
+ * This method exists for backward compatibility. It simply returns
+ * the MIME type string unchanged.
+ *
+ * @param type The MIME type.
+ *
+ * @return The MIME type.
+ *
+ * @deprecated
+ */
+ protected String normalizeMimeType(String type)
+ {
+ return type;
+ }
-/*************************************************************************/
+ /**
+ * Serialize this class.
+ *
+ * @param stream The <code>ObjectOutput</code> stream to serialize to.
+ *
+ * @exception IOException If an error occurs.
+ */
+ public void writeExternal(ObjectOutput stream) throws IOException
+ {
+ // FIXME: Implement me
+ }
-/**
- * XXX - Currently returns <code>java.io.InputStream</code>.
- *
- * @since 1.3
- */
-public final Class
-getDefaultRepresentationClass()
-{
- return(java.io.InputStream.class);
-}
-/*************************************************************************/
-/**
- * XXX - Currently returns <code>java.io.InputStream</code>.
- */
-public final String
-getDefaultRepresentationClassAsString()
-{
- return(getDefaultRepresentationClass().getName());
-}
+ /**
+ * De-serialize this class.
+ *
+ * @param stream The <code>ObjectInput</code> stream to deserialize from.
+ *
+ * @exception IOException If an error ocurs.
+ * @exception ClassNotFoundException If the class for an object being restored
+ * cannot be found.
+ */
+ public void readExternal(ObjectInput stream)
+ throws IOException, ClassNotFoundException
+ {
+ // FIXME: Implement me
+ }
-/*************************************************************************/
+ /**
+ * Returns a string representation of this DataFlavor. Including the
+ * representation class name, MIME type and human presentable name.
+ */
+ public String toString()
+ {
+ return (getClass().getName()
+ + "[representationClass=" + getRepresentationClass().getName()
+ + ",mimeType=" + getMimeType()
+ + ",humanPresentableName=" + getHumanPresentableName()
+ + "]");
+ }
-/**
- * Selects the best supported text flavor on this implementation.
- * Returns <code>null</code> when none of the given flavors is liked.
- *
- * The <code>DataFlavor</code> returned the first data flavor in the
- * array that has either a representation class which is (a subclass of)
- * <code>Reader</code> or <code>String</code>, or has a representation
- * class which is (a subclass of) <code>InputStream</code> and has a
- * primary MIME type of "text" and has an supported encoding.
- */
-public static final DataFlavor
-selectBestTextFlavor(DataFlavor[] availableFlavors)
-{
- for(int i=0; i<availableFlavors.length; i++)
- {
- DataFlavor df = availableFlavors[i];
- Class c = df.representationClass;
+ /**
+ * XXX - Currently returns <code>java.io.InputStream</code>.
+ *
+ * @since 1.3
+ */
+ public final Class getDefaultRepresentationClass()
+ {
+ return java.io.InputStream.class;
+ }
- // A Reader or String is good.
- if ((Reader.class.isAssignableFrom(c))
- || (String.class.isAssignableFrom(c)))
- {
- return df;
- }
+ /**
+ * XXX - Currently returns <code>java.io.InputStream</code>.
+ */
+ public final String getDefaultRepresentationClassAsString()
+ {
+ return getDefaultRepresentationClass().getName();
+ }
- // A InputStream is good if the mime primary type is "text"
- if ((InputStream.class.isAssignableFrom(c))
- && ("text".equals(df.getPrimaryType())))
+ /**
+ * Creates a <code>Reader</code> for a given <code>Transferable</code>.
+ *
+ * If the representation class is a (subclass of) <code>Reader</code>
+ * then an instance of the representation class is returned. If the
+ * representatation class is a <code>String</code> then a
+ * <code>StringReader</code> is returned. And if the representation class
+ * is a (subclass of) <code>InputStream</code> and the primary MIME type
+ * is "text" then a <code>InputStreamReader</code> for the correct charset
+ * encoding is returned.
+ *
+ * @param transferable The <code>Transferable</code> for which a text
+ * <code>Reader</code> is requested.
+ *
+ * @exception IllegalArgumentException If the representation class is not one
+ * of the seven listed above or the Transferable has null data.
+ * @exception NullPointerException If the Transferable is null.
+ * @exception UnsupportedFlavorException when the transferable doesn't
+ * support this <code>DataFlavor</code>. Or if the representable class
+ * isn't a (subclass of) <code>Reader</code>, <code>String</code>,
+ * <code>InputStream</code> and/or the primary MIME type isn't "text".
+ * @exception IOException when any IOException occurs.
+ * @exception UnsupportedEncodingException if the "charset" isn't supported
+ * on this platform.
+ */
+ public Reader getReaderForText(Transferable transferable)
+ throws UnsupportedFlavorException, IOException
+ {
+ if (!transferable.isDataFlavorSupported(this))
+ throw new UnsupportedFlavorException(this);
+
+ if (Reader.class.isAssignableFrom(representationClass))
+ return (Reader)transferable.getTransferData(this);
+
+ if (String.class.isAssignableFrom(representationClass))
+ return new StringReader((String)transferable.getTransferData(this));
+
+ if (InputStream.class.isAssignableFrom(representationClass)
+ && "text".equals(getPrimaryType()))
{
- String encoding = availableFlavors[i].getParameter("charset");
+ InputStream in = (InputStream)transferable.getTransferData(this);
+ String encoding = getParameter("charset");
if (encoding == null)
- encoding = "us-ascii";
- Reader r = null;
- try
- {
- // Try to construct a dummy reader with the found encoding
- r = new InputStreamReader
- (new ByteArrayInputStream(new byte[0]), encoding);
- }
- catch(UnsupportedEncodingException uee) { /* ignore */ }
- if (r != null)
- return df;
+ encoding = "us-ascii";
+ return new InputStreamReader(in, encoding);
}
- }
-
- // Nothing found
- return(null);
-}
-
-/*************************************************************************/
-
-/**
- * Creates a <code>Reader</code> for a given <code>Transferable</code>.
- *
- * If the representation class is a (subclass of) <code>Reader</code>
- * then an instance of the representation class is returned. If the
- * representatation class is a <code>String</code> then a
- * <code>StringReader</code> is returned. And if the representation class
- * is a (subclass of) <code>InputStream</code> and the primary MIME type
- * is "text" then a <code>InputStreamReader</code> for the correct charset
- * encoding is returned.
- *
- * @param transferable The <code>Transferable</code> for which a text
- * <code>Reader</code> is requested.
- *
- * @exception IllegalArgumentException If the representation class is not one
- * of the seven listed above or the Transferable has null data.
- * @exception NullPointerException If the Transferable is null.
- * @exception UnsupportedFlavorException when the transferable doesn't
- * support this <code>DataFlavor</code>. Or if the representable class
- * isn't a (subclass of) <code>Reader</code>, <code>String</code>,
- * <code>InputStream</code> and/or the primary MIME type isn't "text".
- * @exception IOException when any IOException occurs.
- * @exception UnsupportedEncodingException if the "charset" isn't supported
- * on this platform.
- */
-public Reader getReaderForText(Transferable transferable)
- throws UnsupportedFlavorException, IOException
-{
- if (!transferable.isDataFlavorSupported(this))
- throw new UnsupportedFlavorException(this);
-
- if (Reader.class.isAssignableFrom(representationClass))
- return((Reader)transferable.getTransferData(this));
-
- if (String.class.isAssignableFrom(representationClass))
- return(new StringReader((String)transferable.getTransferData(this)));
-
- if (InputStream.class.isAssignableFrom(representationClass)
- && "text".equals(getPrimaryType()))
- {
- InputStream in = (InputStream)transferable.getTransferData(this);
- String encoding = getParameter("charset");
- if (encoding == null)
- encoding = "us-ascii";
- return(new InputStreamReader(in, encoding));
- }
-
- throw new UnsupportedFlavorException(this);
-}
+
+ throw new UnsupportedFlavorException(this);
+ }
/**
* Returns whether the representation class for this DataFlavor is
*
* @since 1.4
*/
- public boolean isRepresentationClassByteBuffer ()
+ public boolean isRepresentationClassByteBuffer()
{
- return ByteBuffer.class.isAssignableFrom (representationClass);
+ return ByteBuffer.class.isAssignableFrom(representationClass);
}
/**
*
* @since 1.4
*/
- public boolean isRepresentationClassCharBuffer ()
+ public boolean isRepresentationClassCharBuffer()
{
- return CharBuffer.class.isAssignableFrom (representationClass);
+ return CharBuffer.class.isAssignableFrom(representationClass);
}
/**
*
* @since 1.4
*/
- public boolean isRepresentationClassReader ()
+ public boolean isRepresentationClassReader()
{
- return Reader.class.isAssignableFrom (representationClass);
+ return Reader.class.isAssignableFrom(representationClass);
+ }
+
+ /**
+ * Returns whether this <code>DataFlavor</code> is a valid text flavor for
+ * this implementation of the Java platform. Only flavors equivalent to
+ * <code>DataFlavor.stringFlavor</code> and <code>DataFlavor</code>s with
+ * a primary MIME type of "text" can be valid text flavors.
+ * <p>
+ * If this flavor supports the charset parameter, it must be equivalent to
+ * <code>DataFlavor.stringFlavor</code>, or its representation must be
+ * <code>java.io.Reader</code>, <code>java.lang.String</code>,
+ * <code>java.nio.CharBuffer</code>, <code>java.io.InputStream</code> or
+ * <code>java.nio.ByteBuffer</code>,
+ * If the representation is <code>java.io.InputStream</code> or
+ * <code>java.nio.ByteBuffer</code>, then this flavor's <code>charset</code>
+ * parameter must be supported by this implementation of the Java platform.
+ * If a charset is not specified, then the platform default charset, which
+ * is always supported, is assumed.
+ * <p>
+ * If this flavor does not support the charset parameter, its
+ * representation must be <code>java.io.InputStream</code>,
+ * <code>java.nio.ByteBuffer</code>.
+ * <p>
+ * See <code>selectBestTextFlavor</code> for a list of text flavors which
+ * support the charset parameter.
+ *
+ * @return <code>true</code> if this <code>DataFlavor</code> is a valid
+ * text flavor as described above; <code>false</code> otherwise
+ * @see #selectBestTextFlavor
+ * @since 1.4
+ */
+ public boolean isFlavorTextType() {
+ // FIXME: I'm not 100% sure if this implementation does the same like sun's does
+ if(equals(DataFlavor.stringFlavor) || getPrimaryType().equals("text"))
+ {
+ String charset = getParameter("charset");
+ Class c = getRepresentationClass();
+ if(charset != null)
+ {
+ if(Reader.class.isAssignableFrom(c)
+ || CharBuffer.class.isAssignableFrom(c)
+ || String.class.isAssignableFrom(c))
+ {
+ return true;
+ }
+ else if(InputStream.class.isAssignableFrom(c)
+ || ByteBuffer.class.isAssignableFrom(c))
+ {
+ return Charset.isSupported(charset);
+ }
+ }
+ else if(InputStream.class.isAssignableFrom(c)
+ || ByteBuffer.class.isAssignableFrom(c))
+ {
+ return true;
+ }
+ }
+ return false;
}
-
} // class DataFlavor
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