jcfa/src/jp/igapyon/jcfa/util/JcfaEclipseUtil.java

   1 package jp.igapyon.jcfa.util;
   2
   3 import org.eclipse.jdt.core.ToolFactory;
   4 import org.eclipse.jdt.core.formatter.CodeFormatter;
   5 import org.eclipse.jface.text.BadLocationException;
   6 import org.eclipse.jface.text.Document;
   7 import org.eclipse.jface.text.IDocument;
   8 import org.eclipse.text.edits.MalformedTreeException;
   9 import org.eclipse.text.edits.TextEdit;
  10
  11 public class JcfaEclipseUtil {
  12         /**
  13          * Format source using eclipse.
  14          *
  15          * @param source
  16          *            Input source.
  17          * @return Formatted source.
  18          */
  19         public static String formatSource(final String source) {
  20                 if (false)
  21                         System.out.println("TRACE: " + source);
  22
  23                 final CodeFormatter cf = ToolFactory.createCodeFormatter(null);
  24                 final TextEdit te = cf.format(CodeFormatter.K_UNKNOWN, source, 0,
  25                                 source.length(), 0, null);
  26                 IDocument doc = new Document(source);
  27                 try {
  28                         te.apply(doc);
  29                         return doc.get();
  30                 } catch (MalformedTreeException e) {
  31                         e.printStackTrace();
  32                         throw new IllegalArgumentException(e);
  33                 } catch (BadLocationException e) {
  34                         e.printStackTrace();
  35                         throw new IllegalArgumentException(e);
  36                 }
  37         }
  38 }