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package org.eclipse.swt.internal;
import java.io.*;
import org.eclipse.swt.*;
public class Compatability {
/**
* Answers the double conversion of the most negative (i.e.
* closest to negative infinity) integer value which is
* greater than the argument.
*
* @param d the value to be converted
* @return the ceiling of the argument.
*/
public static double ceil (double d) {
long l = (long) d;
if (d == l) return d;
if (d < 0)
return (double) l;
else
return (double) l + 1;
}
/** Returns the power function.
*
* @param a1
* @param a2
* @return the power
*/
public static int pow (int a1, int a2) {
int answer = 1;
for (int i = 1; i < a2; i++) {
answer = answer * a1;
}
return answer;
}
/**
* Loads a library if the underlying platform supports this.
* If not, it is assumed that the library in question was
* properly made available in some other fashion (that is,
* it returns true in this case).
*
* @param name the name of the library to load
* @return true if the library is available
*/
public static boolean loadLibrary (String name) {
return true;
}
/**
* Test if the character is a whitespace character.
*
* @param ch the character to test
* @return true if the character is whitespace
*/
public static boolean isWhitespace (char ch) {
return ch == ' ' || ch == '\t';
}
/**
* Open a file if such things are supported.
*
* @param filename the name of the file to open
* @return a stream on the file if it could be opened.
*/
public static InputStream newFileInputStream (String filename) throws IOException {
throw new IOException ();
}
/**
* Open a file if such things are supported.
*
* @param filename the name of the file to open
* @return a stream on the file if it could be opened.
*/
public static OutputStream newFileOutputStream (String filename) throws IOException {
throw new IOException ();
}
/**
* Returns the NLS'ed message for the given argument.
*
* @param key the key to look up
* @return the message for the given key
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the key is null</li>
* </ul>
*/
public static String getMessage(String key) {
if (key.equals( "SWT_Yes"))
return "Yes";
if (key.equals("SWT_No"))
return "No";
if (key.equals("SWT_OK"))
return "OK";
if (key.equals("SWT_Cancel"))
return "Cancel";
if (key.equals("SWT_Abort"))
return "Abort";
if (key.equals("SWT_Retry"))
return "Retry";
if (key.equals("SWT_Ignore"))
return "Ignore";
if (key.equals("SWT_Sample"))
return "Sample";
if (key.equals("SWT_A_Sample_Text"))
return "A Sample Text";
if (key.equals("SWT_Selection"))
return "Selection";
if (key.equals("SWT_Current_Selection"))
return "Current Selection";
if (key.equals("SWT_Character_set"))
return "Character set";
if (key.equals("SWT_Font"))
return "Font";
if (key.equals("SWT_Extended_style"))
return "Extended style";
if (key.equals("SWT_Size"))
return "Size";
if (key.equals("SWT_Style"))
return "Style";
return key;
}
/**
* Interrupt the current thread. Note that this is not
* available on CLDC.
*/
public static void interrupt() {
}
}
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