1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
// Copyright 2017 The Bazel Authors. 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.devtools.build.android.resources;
import com.android.builder.core.VariantConfiguration;
import com.android.builder.dependency.SymbolFileProvider;
import com.android.builder.internal.SymbolLoader;
import com.android.builder.internal.SymbolLoader.SymbolEntry;
import com.android.builder.internal.SymbolWriter;
import com.android.resources.ResourceType;
import com.android.utils.ILogger;
import com.google.common.collect.HashBasedTable;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.Table;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.nio.file.Path;
import java.util.Collection;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import javax.annotation.Nullable;
/**
* Wraps the {@link SymbolLoader} and {@link SymbolWriter} classes.
* This provides a unified interface for working with R.txts.
*/
public class ResourceSymbols {
/** Task to load and parse R.txt symbols */
private static final class SymbolLoadingTask implements Callable<ResourceSymbols> {
private final SymbolLoader symbolLoader;
SymbolLoadingTask(SymbolLoader symbolLoader) {
this.symbolLoader = symbolLoader;
}
@Override
public ResourceSymbols call() throws Exception {
symbolLoader.load();
return ResourceSymbols.wrap(symbolLoader);
}
}
private static final class PackageParsingTask implements Callable<String> {
private final File manifest;
PackageParsingTask(File manifest) {
this.manifest = manifest;
}
@Override
public String call() throws Exception {
return VariantConfiguration.getManifestPackage(manifest);
}
}
/**
* Loads the SymbolTables from a list of SymbolFileProviders.
*
* @param dependencies The full set of library symbols to load.
* @param executor The executor use during loading.
* @param iLogger Android logger to use.
* @param packageToExclude A string package to elide if it exists in the providers.
* @return A list of loading {@link ResourceSymbols} instances.
* @throws ExecutionException
* @throws InterruptedException when there is an error loading the symbols.
*/
public static Multimap<String, ListenableFuture<ResourceSymbols>> loadFrom(
Collection<SymbolFileProvider> dependencies,
ListeningExecutorService executor,
ILogger iLogger,
@Nullable String packageToExclude)
throws InterruptedException, ExecutionException {
Map<SymbolFileProvider, ListenableFuture<String>> providerToPackage = new HashMap<>();
for (SymbolFileProvider dependency : dependencies) {
providerToPackage.put(
dependency, executor.submit(new PackageParsingTask(dependency.getManifest())));
}
Multimap<String, ListenableFuture<ResourceSymbols>> packageToTable = HashMultimap.create();
for (Entry<SymbolFileProvider, ListenableFuture<String>> entry : providerToPackage.entrySet()) {
File symbolFile = entry.getKey().getSymbolFile();
if (!Objects.equals(entry.getValue().get(), packageToExclude)) {
packageToTable.put(entry.getValue().get(), load(executor, iLogger, symbolFile));
}
}
return packageToTable;
}
public static ResourceSymbols merge(Collection<ResourceSymbols> symbolTables) throws IOException {
final Table<String, String, SymbolEntry> mergedTable = HashBasedTable.create();
for (ResourceSymbols symbolTableProvider : symbolTables) {
mergedTable.putAll(symbolTableProvider.asTable());
}
try {
SymbolLoader nullLoader = new SymbolLoader(null, null);
Field declaredField = SymbolLoader.class.getDeclaredField("mSymbols");
declaredField.setAccessible(true);
declaredField.set(nullLoader, mergedTable);
return wrap(nullLoader);
} catch (NoSuchFieldException
| SecurityException
| IllegalArgumentException
| IllegalAccessException e) {
throw new IOException(e);
}
}
/** Read the symbols from the provided symbol file. */
public static ListenableFuture<ResourceSymbols> load(
Path primaryRTxt, ListeningExecutorService executorService, ILogger iLogger) {
return load(executorService, iLogger, primaryRTxt.toFile());
}
public static ListenableFuture<ResourceSymbols> load(
ListeningExecutorService executor, ILogger iLogger, File symbolFile) {
return executor.submit(new SymbolLoadingTask(new SymbolLoader(symbolFile, iLogger)));
}
static ResourceSymbols of(Path rTxt, ILogger logger) {
return of(rTxt.toFile(), logger);
}
public static ResourceSymbols of(File rTxt, ILogger logger) {
return wrap(new SymbolLoader(rTxt, logger));
}
private static ResourceSymbols wrap(SymbolLoader input) {
return new ResourceSymbols(input);
}
private final SymbolLoader symbolLoader;
private ResourceSymbols(SymbolLoader symbolLoader) {
this.symbolLoader = symbolLoader;
}
public Table<String, String, SymbolEntry> asTable() throws IOException {
// TODO(bazel-team): remove when we update android_ide_common to a version w/ public visibility
try {
Method getSymbols = SymbolLoader.class.getDeclaredMethod("getSymbols");
getSymbols.setAccessible(true);
@SuppressWarnings("unchecked")
Table<String, String, SymbolEntry> result =
(Table<String, String, SymbolEntry>) getSymbols.invoke(symbolLoader);
return result;
} catch (ReflectiveOperationException e) {
throw new IOException(e);
}
}
/**
* Writes the java sources for a given package.
*
* @param sourceOut The directory to write the java package structures and sources to.
* @param packageName The name of the package to write.
* @param packageSymbols The symbols defined in the given package.
* @throws IOException when encountering an error during writing.
*/
public void writeTo(
Path sourceOut, String packageName, Collection<ResourceSymbols> packageSymbols)
throws IOException {
SymbolWriter writer = new SymbolWriter(sourceOut.toString(), packageName, symbolLoader);
for (ResourceSymbols packageSymbol : packageSymbols) {
writer.addSymbolsToWrite(packageSymbol.symbolLoader);
}
writer.write();
}
public Map<ResourceType, Set<String>> asFilterMap() throws IOException {
Map<ResourceType, Set<String>> filter = new EnumMap<>(ResourceType.class);
Table<String, String, SymbolEntry> symbolTable = asTable();
for (String typeName : symbolTable.rowKeySet()) {
Set<String> fields = new HashSet<>();
for (SymbolEntry symbolEntry : symbolTable.row(typeName).values()) {
fields.add(symbolEntry.getName());
}
if (!fields.isEmpty()) {
filter.put(ResourceType.getEnum(typeName), fields);
}
}
return filter;
}
}
|
