/*
* Copyright 2014 Google Inc. All Rights Reserved.
*
* 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 com.google.errorprone;
import static com.google.common.collect.Multimaps.index;
import com.google.common.base.Function;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Ordering;
import com.google.errorprone.BugPattern.Instance;
import org.yaml.snakeyaml.Yaml;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
/**
* @author alexeagle@google.com (Alex Eagle)
*/
public class BugPatternIndexYamlWriter {
void dump(Collection<Instance> patterns, Writer w)
throws IOException {
Map<String, List<Map<String, String>>> data = new HashMap<>();
ListMultimap<String, Instance> index = index(patterns, new Function<Instance, String>() {
@Override
public String apply(Instance input) {
return input.maturity.description + " : " + input.severity;
}});
for (Entry<String, Collection<Instance>> entry : index.asMap().entrySet()) {
data.put(entry.getKey(), FluentIterable
.from(entry.getValue())
.transform(new Function<Instance, Map<String, String>>() {
@Override
public Map<String, String> apply(Instance input) {
return ImmutableMap.of("name", input.name, "summary", input.summary);
}})
.toSortedList(new Ordering<Map<String, String>>() {
@Override
public int compare(Map<String, String> left, Map<String, String> right) {
return left.get("name").compareTo(right.get("name"));
}}));
}
new Yaml().dump(data, w);
}
}