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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.releng.version.ui;
import org.eclipse.emf.cdo.releng.version.Markers;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IMarkerResolution;
import org.eclipse.ui.IMarkerResolutionGenerator2;
import org.eclipse.ui.views.markers.WorkbenchMarkerResolution;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.CharArrayWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Eike Stepper
*/
public class QuickFixer implements IMarkerResolutionGenerator2
{
private static final IMarkerResolution[] NO_MARKER_RESOLUTIONS = {};
public QuickFixer()
{
}
public IMarkerResolution[] getResolutions(IMarker marker)
{
if (hasResolutions(marker))
{
IMarkerResolution[] markers = { new VersionMarkerResolution(marker) };
return markers;
}
return NO_MARKER_RESOLUTIONS;
}
public boolean hasResolutions(IMarker marker)
{
return Markers.hasQuickFixes(marker);
}
/**
* @author Eike Stepper
*/
private static final class VersionMarkerResolution extends WorkbenchMarkerResolution
{
private IMarker marker;
public VersionMarkerResolution(IMarker marker)
{
this.marker = marker;
}
public String getLabel()
{
return "Foo";
}
public String getDescription()
{
return "Foo Foo Foo";
}
public Image getImage()
{
return null;
}
public void run(IMarker marker)
{
try
{
String regEx = (String)marker.getAttribute(Markers.QUICK_FIX_PATTERN);
String replacement = (String)marker.getAttribute(Markers.QUICK_FIX_REPLACEMENT);
if (regEx != null)
{
IFile file = (IFile)marker.getResource();
InputStream contents = file.getContents();
BufferedReader reader = new BufferedReader(new InputStreamReader(contents, file.getCharset()));
CharArrayWriter caw = new CharArrayWriter();
int c;
while ((c = reader.read()) != -1)
{
caw.write(c);
}
String string = caw.toString();
Pattern pattern = Pattern.compile(regEx, Pattern.MULTILINE | Pattern.DOTALL);
Matcher matcher = pattern.matcher(string);
if (matcher.find())
{
String before;
String after;
if (replacement != null)
{
before = string.substring(0, matcher.start(1));
after = string.substring(matcher.end(1));
}
else
{
before = string.substring(0, matcher.start());
after = string.substring(matcher.end());
replacement = "";
}
file.setContents(new ByteArrayInputStream((before + replacement + after).getBytes(file.getCharset())), true, true,
null);
}
}
}
catch (Exception ex)
{
Activator.log(ex);
}
}
@Override
public IMarker[] findOtherMarkers(IMarker[] markers)
{
List<IMarker> result = new ArrayList<IMarker>();
for (IMarker marker : markers)
{
if (marker != this.marker && Markers.hasQuickFixes(marker))
{
result.add(marker);
}
}
return result.toArray(new IMarker[result.size()]);
}
}
}
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