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package org.netbeans.modules.ruby.railsprojects;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.SwingUtilities;
import javax.swing.text.Document;
import org.netbeans.api.extexecution.print.LineConvertors.FileLocator;
import org.openide.cookies.EditorCookie;
import org.openide.cookies.LineCookie;
import org.openide.cookies.OpenCookie;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.loaders.DataObject;
import org.openide.text.Line;
import org.openide.text.Line.ShowOpenType;
import org.openide.text.Line.ShowVisibilityType;
import org.openide.windows.OutputEvent;
import org.openide.windows.OutputListener;
/**
* An OutputProcessor takes filename and lineno information
* and produces hyperlinks. Actually resolving filenames
* into real FileObjects is done lazily via user-supplied
* FileLocators when the links are actually clicked.
*
* <i>A copy of {@link org.netbeans.modules.extexecution.print.FindFileListener}</i>
*
* @author Tor Norbye, Petr Hejl
*/
final class FindFileListener implements OutputListener {
private static final Logger LOGGER = Logger.getLogger(FindFileListener.class.getName());
private final String file;
private final int lineno;
private final FileLocator fileLocator;
public FindFileListener(String file, int lineno, FileLocator fileLocator) {
if (lineno < 0) {
lineno = 0;
}
// TODO : columns?
this.file = file;
this.lineno = lineno;
this.fileLocator = fileLocator;
}
public void outputLineSelected(OutputEvent ev) {
}
public void outputLineAction(OutputEvent ev) {
// Find file such and such and warp to it
FileObject fo = findFile(file);
if (fo != null) {
open(fo, lineno);
}
}
private FileObject findFile(final String path) {
if (fileLocator != null) {
FileObject fo = fileLocator.find(path);
if (fo != null) {
return fo;
}
}
// Perhaps it's an absolute path of some sort... try to resolve those
// Absolute path? Happens for stack traces in libraries and such
File file = new File(path);
if (file.isFile()) {
return FileUtil.toFileObject(FileUtil.normalizeFile(file));
} else {
LOGGER.warning("Cannot resolve file for \"" + path + "\" path.");
return null;
}
}
public void outputLineCleared(OutputEvent ev) {
}
public static boolean open(final FileObject fo, final int lineno) {
if (!SwingUtilities.isEventDispatchThread()) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
open(fo, lineno);
}
});
return true; // not exactly accurate, but....
}
try {
DataObject od = DataObject.find(fo);
EditorCookie ec = od.getCookie(EditorCookie.class);
LineCookie lc = od.getCookie(LineCookie.class);
if ((ec != null) && (lc != null)) {
Document doc = ec.openDocument();
if (doc != null) {
int line = lineno;
if (line < 1) {
line = 1;
}
// XXX .size() call is super-slow for large files, see issue
// #126531. So we fallback to catching IOOBE
// int nOfLines = lines.getLines().size();
// if (line > nOfLines) {
// line = nOfLines;
// }
try {
Line.Set lines = lc.getLineSet();
Line l = lines.getCurrent(line - 1);
if (l != null) {
l.show(ShowOpenType.OPEN, ShowVisibilityType.FOCUS);
return true;
}
} catch (IndexOutOfBoundsException ioobe) {
// OK, since .size() cannot be used, see above
}
}
}
OpenCookie oc = od.getCookie(OpenCookie.class);
if (oc != null) {
oc.open();
return true;
}
} catch (IOException e) {
LOGGER.log(Level.INFO, null, e);
}
return false;
}
}