1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package vogar;
18
19import java.io.File;
20import java.util.ArrayList;
21import java.util.Collections;
22import java.util.HashSet;
23import java.util.List;
24import java.util.Set;
25
26/**
27 * Stores and presents information about jars the user may have forgotten to include.
28 */
29public final class JarSuggestions {
30    private final Set<File> allSuggestedJars = new HashSet<File>();
31
32    public Set<File> getAllSuggestedJars() {
33        return allSuggestedJars;
34    }
35
36    public void addSuggestions(JarSuggestions jarSuggestions) {
37        allSuggestedJars.addAll(jarSuggestions.getAllSuggestedJars());
38    }
39
40    public void addSuggestionsFromOutcome(Outcome outcome, ClassFileIndex classFileIndex,
41            Classpath classpath) {
42        Result result = outcome.getResult();
43        if (result != Result.COMPILE_FAILED && result != Result.EXEC_FAILED) {
44            return;
45        }
46        Set<File> suggestedJars = classFileIndex.suggestClasspaths(outcome.getOutput());
47        // don't suggest adding a jar that's already on the classpath
48        suggestedJars.removeAll(classpath.getElements());
49
50        allSuggestedJars.addAll(suggestedJars);
51    }
52
53    public List<String> getStringList() {
54        List<String> jarStringList = new ArrayList<String>();
55        for (File jar : allSuggestedJars) {
56            jarStringList.add(jar.getPath());
57        }
58        Collections.sort(jarStringList);
59        return jarStringList;
60    }
61}
62