Makefile.in: Rebuilt.

	* Makefile.in: Rebuilt.
	* Makefile.am (awt_java_source_files): Added new files.
	* java/awt/Toolkit.java: Merged with Classpath.
	* java/awt/PrintGraphics.java: New file from Classpath.
	* java/awt/PrintJob.java: New file from Classpath.
	* java/awt/datatransfer/Clipboard.java: New file from Classpath.
	* java/awt/datatransfer/ClipboardOwner.java: New file from
	Classpath.
	* java/awt/datatransfer/DataFlavor.java: New file from Classpath.
	* java/awt/datatransfer/FlavorMap.java: New file from Classpath.
	* java/awt/datatransfer/MimeTypeParseException.java: New file from
	Classpath.
	* java/awt/datatransfer/StringSelection.java: New file from
	Classpath.
	* java/awt/datatransfer/SystemFlavorMap.java: New file from
	Classpath.
	* java/awt/datatransfer/Transferable.java: New file from
	Classpath.
	* java/awt/datatransfer/UnsupportedFlavorException.java: New file
	from Classpath.

From-SVN: r49171

1 files changed, 982 insertions, 0 deletions

diff --git a/libjava/java/awt/datatransfer/DataFlavor.java b/libjava/java/awt/datatransfer/DataFlavor.java
new file mode 100644
index 0000000..3c6b272
--- /dev/null
+++ b/libjava/java/awt/datatransfer/DataFlavor.java
@@ -0,0 +1,982 @@
+/* DataFlavor.java -- A type of data to transfer via the clipboard.
+   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.awt.datatransfer;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import java.io.ObjectOutput;
+import java.io.ObjectInput;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.UnsupportedEncodingException;
+
+/**
+  * This class represents a particular data format used for transferring
+  * data via the clipboard.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class DataFlavor implements java.io.Externalizable, Cloneable
+{
+
+// FIXME: Serialization: Need to write methods for.
+
+/*
+ * Static Variables
+ */
+
+/**
+  * 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 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-object";
+
+/**
+  * 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,
+		       "Java File List");
+
+  // javaFileListFlavor.mimeType = "application/x-java-file-list";
+}
+
+/*************************************************************************/
+
+/*
+ * 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;
+
+/*************************************************************************/
+
+/*
+ * 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);
+}
+
+/*************************************************************************/
+
+/*
+ * 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)
+{
+    this.representationClass = representationClass;
+    this.mimeType = mimeType;
+    if (humanPresentableName != null)
+	this.humanPresentableName = humanPresentableName;
+    else
+	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)
+{
+    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.
+  */
+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.
+  * @param classLoader The class loader for finding classes.
+  *
+  * @exception IllegalArgumentException If the representation class
+  * specified cannot be loaded.
+  */
+public
+DataFlavor(String mimeType, String humanPresentableName)
+           throws ClassNotFoundException
+{
+  this(mimeType, humanPresentableName, null);
+}
+
+/*************************************************************************/
+
+/**
+  * 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 idx = mimeType.indexOf("/");
+  if (idx == -1)
+    return("");
+
+  String subtype = mimeType.substring(idx + 1);
+
+  idx = subtype.indexOf(" ");
+  if (idx == -1)
+    return(subtype);
+  else
+    return(subtype.substring(0, idx));
+}
+
+/*************************************************************************/
+
+/**
+  * 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() + 2);
+
+  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)
+{
+  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.
+  *
+  * @param mimeType The MIME type to test against.
+  *
+  * @return <code>true</code> if the MIME type is equal to this object's
+  * MIME type, <code>false</code> otherwise.
+  */
+public boolean
+isMimeTypeEqual(String mimeType)
+{
+  // FIXME: Need to handle default attributes and parameters
+
+  return(this.mimeType.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 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>.
+  *
+  * @param <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.
+  *
+  * @param <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()
+{
+  // FIXME: Implement
+  throw new RuntimeException("Not implemented");
+}
+
+/*************************************************************************/
+
+/**
+  * 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);
+}
+
+/*************************************************************************/
+
+/**
+  * Returns a copy of this object.
+  *
+  * @return A copy of this object.
+  */
+public Object
+clone()
+{
+  try
+    {
+      return(super.clone());
+    }
+  catch(Exception e)
+    {
+      return(null);
+    }
+}
+
+/*************************************************************************/
+
+/**
+  * 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>The object is an instance of <code>DataFlavor</code>.
+  * <li>The object's MIME type and representation class are equal to
+  * this object's.
+  * </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 == null)
+    return(false);
+
+  if (!(obj instanceof DataFlavor))
+    return(false);
+
+  return(equals((DataFlavor)obj));
+}
+
+/*************************************************************************/
+
+/**
+  * 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 <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);
+}
+
+/*************************************************************************/
+
+/**
+  * 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.
+  */
+public void
+writeExternal(ObjectOutput stream) throws IOException
+{
+  // FIXME: Implement me
+}
+
+/*************************************************************************/
+
+/**
+  * De-serialize this class.
+  *
+  * @param stream The <code>ObjectInput</code> stream to deserialize from.
+  */
+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("DataFlavor[representationClass="
+         + representationClass.getName()
+         + ",mimeType="
+         + mimeType
+         + "humanPresentableName="
+         + humanPresentableName);
+}
+
+/*************************************************************************/
+
+/**
+  * XXX - Currently returns <code>plainTextFlavor</code>.
+  */
+public static final DataFlavor
+getTextPlainUnicodeFlavor()
+{
+  return(plainTextFlavor);
+}
+
+/*************************************************************************/
+
+/**
+  * XXX - Currently returns <code>java.io.InputStream</code>.
+  *
+  * @since 1.3
+  */
+public static final Class
+getDefaultRepresentationClass()
+{
+  return(java.io.InputStream.class);
+}
+/*************************************************************************/
+
+/**
+  * XXX - Currently returns <code>java.io.InputStream</code>.
+  */
+public static final String
+getDefaultRepresentationClassAsString()
+{
+  return(getDefaultRepresentationClass().getName());
+}
+
+/*************************************************************************/
+
+/**
+  * 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);
+}
+
+/*************************************************************************/
+
+/**
+  * 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 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,
+                                                   UnsupportedEncodingException
+{
+    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);
+}
+
+} // class DataFlavor
+