/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.felix.sigil.eclipse.ui.internal.editors.project;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.felix.sigil.eclipse.SigilCore;
import org.apache.felix.sigil.eclipse.preferences.PrefsUtils;
import org.apache.felix.sigil.utils.GlobCompiler;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
public class ExcludedResourcesFilter extends ViewerFilter
{
private final Set<Pattern> exclusionSet = new HashSet<Pattern>();
public ExcludedResourcesFilter()
{
loadExclusions();
}
public final synchronized void loadExclusions()
{
exclusionSet.clear();
IPreferenceStore store = SigilCore.getDefault().getPreferenceStore();
String[] exclusions = PrefsUtils.stringToArray(store.getString(SigilCore.DEFAULT_EXCLUDED_RESOURCES));
for (String exclusion : exclusions)
{
exclusionSet.add(GlobCompiler.compile(exclusion));
}
}
@Override
public synchronized boolean select(Viewer viewer, Object parentElement, Object element)
{
IResource file = (IResource) element;
String path = file.getName();
for (Pattern p : exclusionSet)
{
if (p.matcher(path).matches())
{
return false;
}
}
return true;
}
}