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package org.eclipse.cdt.arduino.core.internal.board;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class LibraryIndex {
private List<ArduinoLibrary> libraries;
// category name to library name
private Map<String, Set<String>> categories = new HashMap<>();
// library name to latest version of library
private Map<String, ArduinoLibrary> latestLibs = new HashMap<>();
public void resolve() {
for (ArduinoLibrary library : libraries) {
String name = library.getName();
String category = library.getCategory();
if (category == null) {
category = "Uncategorized"; //$NON-NLS-1$
}
Set<String> categoryLibs = categories.get(category);
if (categoryLibs == null) {
categoryLibs = new HashSet<>();
categories.put(category, categoryLibs);
}
categoryLibs.add(name);
ArduinoLibrary current = latestLibs.get(name);
if (current != null) {
if (ArduinoManager.compareVersions(library.getVersion(), current.getVersion()) > 0) {
latestLibs.put(name, library);
}
} else {
latestLibs.put(name, library);
}
}
}
public ArduinoLibrary getLibrary(String name) {
return latestLibs.get(name);
}
public Collection<String> getCategories() {
return Collections.unmodifiableCollection(categories.keySet());
}
public Collection<ArduinoLibrary> getLibraries(String category) {
Set<String> categoryLibs = categories.get(category);
if (categoryLibs == null) {
return new ArrayList<>(0);
}
List<ArduinoLibrary> libs = new ArrayList<>(categoryLibs.size());
for (String name : categoryLibs) {
libs.add(latestLibs.get(name));
}
return libs;
}
}
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