text_plainpublic class text_plain extends Object implements DataContentHandler| DataContentHandler for text/plain. |
| Fields Summary |
|---|
| private static ActivationDataFlavor | myDF |
| Methods Summary |
|---|
| private java.lang.String | getCharset(java.lang.String type)
try {
ContentType ct = new ContentType(type);
String charset = ct.getParameter("charset");
if (charset == null)
// If the charset parameter is absent, use US-ASCII.
charset = "us-ascii";
return MimeUtility.javaCharset(charset);
} catch (Exception ex) {
return null;
}
| | public java.lang.Object | getContent(javax.activation.DataSource ds)
String enc = null;
InputStreamReader is = null;
try {
enc = getCharset(ds.getContentType());
is = new InputStreamReader(ds.getInputStream(), enc);
} catch (IllegalArgumentException iex) {
/*
* An unknown charset of the form ISO-XXX-XXX will cause
* the JDK to throw an IllegalArgumentException. The
* JDK will attempt to create a classname using this string,
* but valid classnames must not contain the character '-',
* and this results in an IllegalArgumentException, rather than
* the expected UnsupportedEncodingException. Yikes.
*/
throw new UnsupportedEncodingException(enc);
}
try {
int pos = 0;
int count;
char buf[] = new char[1024];
while ((count = is.read(buf, pos, buf.length - pos)) != -1) {
pos += count;
if (pos >= buf.length) {
int size = buf.length;
if (size < 256*1024)
size += size;
else
size += 256*1024;
char tbuf[] = new char[size];
System.arraycopy(buf, 0, tbuf, 0, pos);
buf = tbuf;
}
}
return new String(buf, 0, pos);
} finally {
try {
is.close();
} catch (IOException ex) { }
}
| | protected javax.activation.ActivationDataFlavor | getDF()
return myDF;
| | public java.lang.Object | getTransferData(java.awt.datatransfer.DataFlavor df, javax.activation.DataSource ds)Return the Transfer Data of type DataFlavor from InputStream.
// use myDF.equals to be sure to get ActivationDataFlavor.equals,
// which properly ignores Content-Type parameters in comparison
if (getDF().equals(df))
return getContent(ds);
else
return null;
| | public java.awt.datatransfer.DataFlavor[] | getTransferDataFlavors()Return the DataFlavors for this DataContentHandler.
return new DataFlavor[] { getDF() };
| | public void | writeTo(java.lang.Object obj, java.lang.String type, java.io.OutputStream os)Write the object to the output stream, using the specified MIME type.
if (!(obj instanceof String))
throw new IOException("\"" + getDF().getMimeType() +
"\" DataContentHandler requires String object, " +
"was given object of type " + obj.getClass().toString());
String enc = null;
OutputStreamWriter osw = null;
try {
enc = getCharset(type);
osw = new OutputStreamWriter(os, enc);
} catch (IllegalArgumentException iex) {
/*
* An unknown charset of the form ISO-XXX-XXX will cause
* the JDK to throw an IllegalArgumentException. The
* JDK will attempt to create a classname using this string,
* but valid classnames must not contain the character '-',
* and this results in an IllegalArgumentException, rather than
* the expected UnsupportedEncodingException. Yikes.
*/
throw new UnsupportedEncodingException(enc);
}
String s = (String)obj;
osw.write(s, 0, s.length());
osw.flush();
|
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