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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed 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.jetbrains.plugins.javaFX;
import com.intellij.openapi.project.Project;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.CommonProcessors;
import com.intellij.util.indexing.*;
import com.intellij.util.io.DataExternalizer;
import com.intellij.util.io.EnumeratorStringDescriptor;
import com.intellij.util.io.KeyDescriptor;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import java.util.*;
public class JavaFxIdsIndex extends FileBasedIndexExtension<String, Set<String>> {
@NonNls public static final ID<String, Set<String>> KEY = ID.create("javafx.id.name");
private final KeyDescriptor<String> myKeyDescriptor = new EnumeratorStringDescriptor();
private final FileBasedIndex.InputFilter myInputFilter = new JavaFxControllerClassIndex.MyInputFilter();
private final FxmlDataIndexer myDataIndexer = new FxmlDataIndexer();
private final FxmlDataExternalizer myDataExternalizer = new FxmlDataExternalizer();
@NotNull
@Override
public DataIndexer<String, Set<String>, FileContent> getIndexer() {
return myDataIndexer;
}
@NotNull
@Override
public DataExternalizer<Set<String>> getValueExternalizer() {
return myDataExternalizer;
}
@NotNull
@Override
public FileBasedIndex.InputFilter getInputFilter() {
return myInputFilter;
}
@NotNull
@Override
public ID<String, Set<String>> getName() {
return KEY;
}
@NotNull
@Override
public KeyDescriptor<String> getKeyDescriptor() {
return myKeyDescriptor;
}
@Override
public boolean dependsOnFileContent() {
return true;
}
@Override
public int getVersion() {
return 1;
}
@NotNull
public static Collection<String> getAllRegisteredIds(Project project) {
CommonProcessors.CollectUniquesProcessor<String> processor = new CommonProcessors.CollectUniquesProcessor<String>();
FileBasedIndex.getInstance().processAllKeys(KEY, processor, project);
final Collection<String> results = new ArrayList<String>(processor.getResults());
final GlobalSearchScope searchScope = GlobalSearchScope.projectScope(project);
for (Iterator<String> iterator = results.iterator(); iterator.hasNext(); ) {
final String id = iterator.next();
final List<Set<String>> values = FileBasedIndex.getInstance().getValues(KEY, id, searchScope);
if (!values.isEmpty()) {
final Set<String> pathSet = values.get(0);
if (pathSet != null) {
continue;
}
}
iterator.remove();
}
return results;
}
@NotNull
public static Collection<String> getFilePaths(Project project, String id) {
final List<Set<String>> values = FileBasedIndex.getInstance().getValues(KEY, id, GlobalSearchScope.projectScope(project));
return (Collection<String>)(values.isEmpty() ? Collections.emptySet() : values.get(0));
}
}
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