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// Copyright 2015 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;
import com.android.builder.dependency.SymbolFileProvider;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.android.aapt2.CompiledResources;
import java.io.File;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* Contains the assets, resources, manifest and resource symbols for an android_library dependency.
*
* <p>This class serves the role of both a processed MergedAndroidData and a dependency exported
* from another invocation of the AndroidResourcesProcessorAction. Since it's presumed to be cheaper
* to only pass the derived artifact (rTxt) rather that the entirety of the processed dependencies
* (png crunching and resource processing should be saved for the final
* AndroidResourcesProcessorAction invocation) AndroidData can have multiple roots for resources and
* assets.
*/
class DependencyAndroidData extends SerializedAndroidData {
// From the start of the line,
// 1) match any number of characters that isn't ":" until a ":" (twice for resources and assets)
// 2) match at least one character that isn't ":" until a ":" (manifest)
// 3) match at least one character that isn't ":" until a ":" or end of line (r.txt)
// 4) if not end of line, optionally match anything that isn't ":" until a ":" (symbols.zip)
// 5) match anything that isn't ":" until end of line (symbols.bin)
private static final Pattern VALID_REGEX =
Pattern.compile("^([^:]*:){2}[^:]+:[^:]+(:|$)([^:]*:)?([^:]*)$");
public static final String EXPECTED_FORMAT =
"resources[#resources]:assets[#assets]:manifest:r.txt(:symbols.zip?):symbols.bin";
public static DependencyAndroidData valueOf(String text) {
return valueOf(text, FileSystems.getDefault());
}
@VisibleForTesting
static DependencyAndroidData valueOf(String text, FileSystem fileSystem) {
if (!VALID_REGEX.matcher(text).find()) {
throw new IllegalArgumentException(text + " is not in the format '" + EXPECTED_FORMAT + "'");
}
String[] parts = text.split(":");
// TODO(bazel-team): Handle the symbols.bin file.
// The local symbols.bin is optional -- if it is missing, we'll use the full R.txt
Path rTxt = exists(fileSystem.getPath(parts[3]));
ImmutableList<Path> assetDirs =
parts[1].length() == 0 ? ImmutableList.<Path>of() : splitPaths(parts[1], fileSystem);
CompiledResources compiledSymbols = null;
Path symbolsBin = null;
if (parts.length == 6) { // contains symbols bin and compiled symbols
compiledSymbols = CompiledResources.from(exists(fileSystem.getPath(parts[4])));
symbolsBin = exists(fileSystem.getPath(parts[5]));
} else if (parts.length == 5) {
// This is either symbols bin or compiled symbols depending on "useCompiledResourcesForMerge"
compiledSymbols = CompiledResources.from(exists(fileSystem.getPath(parts[4])));
symbolsBin = exists(fileSystem.getPath(parts[4]));
}
return new DependencyAndroidData(
splitPaths(parts[0], fileSystem),
assetDirs,
exists(fileSystem.getPath(parts[2])),
rTxt,
symbolsBin,
compiledSymbols);
}
private final Path manifest;
private final Path rTxt;
private final CompiledResources compiledSymbols;
public DependencyAndroidData(
ImmutableList<Path> resourceDirs,
ImmutableList<Path> assetDirs,
Path manifest,
Path rTxt,
Path symbols,
CompiledResources compiledSymbols) {
// Use the manifest as a label for now.
super(resourceDirs, assetDirs, manifest.toString(), symbols);
this.manifest = manifest;
this.rTxt = rTxt;
this.compiledSymbols = compiledSymbols;
}
public SymbolFileProvider asSymbolFileProvider() {
return new SymbolFileProvider() {
@Override
public File getManifest() {
return manifest.toFile();
}
@Override
public File getSymbolFile() {
return rTxt == null ? null : rTxt.toFile();
}
@Override
public boolean isOptional() {
return false;
}
@Override
public int hashCode() {
return Objects.hash(getManifest(), getSymbolFile());
}
@Override
public boolean equals(Object obj) {
if (obj instanceof SymbolFileProvider) {
SymbolFileProvider other = (SymbolFileProvider) obj;
return Objects.equals(getManifest(), other.getManifest())
&& Objects.equals(getSymbolFile(), other.getSymbolFile());
}
return false;
}
};
}
public CompiledResources getCompiledSymbols() {
return compiledSymbols;
}
@Override
public String toString() {
return String.format(
"AndroidData(%s, %s, %s, %s, %s)", resourceDirs, assetDirs, manifest, rTxt, symbols);
}
@Override
public int hashCode() {
return Objects.hash(resourceDirs, assetDirs, manifest, rTxt, symbols);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof DependencyAndroidData)) {
return false;
}
DependencyAndroidData other = (DependencyAndroidData) obj;
return Objects.equals(other.resourceDirs, resourceDirs)
&& Objects.equals(other.assetDirs, assetDirs)
&& Objects.equals(other.rTxt, rTxt)
&& Objects.equals(other.symbols, symbols)
&& Objects.equals(other.manifest, manifest);
}
}
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