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// Copyright 2015 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.devtools.build.android;
import com.google.common.collect.ImmutableList;
import com.google.devtools.common.options.Converter;
import com.google.devtools.common.options.EnumConverter;
import com.google.devtools.common.options.OptionsParsingException;
import com.android.builder.core.VariantConfiguration;
import com.android.builder.core.VariantConfiguration.Type;
import com.android.sdklib.repository.FullRevision;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.InvalidPathException;
import java.nio.file.Path;
import java.util.List;
/**
* Some convenient converters used by android actions. Note: These are specific to android actions.
*/
public final class Converters {
/**
* Converter for {@link UnvalidatedAndroidData}. Relies on
* {@code UnvalidatedAndroidData#valueOf(String)} to perform conversion and validation.
*/
public static class UnvalidatedAndroidDataConverter implements Converter<UnvalidatedAndroidData> {
@Override
public UnvalidatedAndroidData convert(String input) throws OptionsParsingException {
try {
return UnvalidatedAndroidData.valueOf(input);
} catch (IllegalArgumentException e) {
throw new OptionsParsingException("invalid UnvalidatedAndroidData specification", e);
}
}
@Override
public String getTypeDescription() {
return "unvalidated android data in the format "
+ "resources[#resources]:assets[#assets]:manifest";
}
}
/**
* Converter for a list of {@link DependencyAndroidData}. Relies on
* {@code DependencyAndroidData#valueOf(String)} to perform conversion and validation.
*/
public static class DependencyAndroidDataListConverter
implements Converter<List<DependencyAndroidData>> {
@Override
public List<DependencyAndroidData> convert(String input) throws OptionsParsingException {
if (input.isEmpty()) {
return ImmutableList.<DependencyAndroidData>of();
}
try {
ImmutableList.Builder<DependencyAndroidData> builder = ImmutableList.builder();
for (String item : input.split(",")) {
builder.add(DependencyAndroidData.valueOf(item));
}
return builder.build();
} catch (IllegalArgumentException e) {
throw new OptionsParsingException("invalid DependencyAndroidData", e);
}
}
@Override
public String getTypeDescription() {
return "a list of dependency android data in the format "
+ "resources[#resources]:assets[#assets]:manifest:r.txt"
+ "[,resources[#resources]:assets[#assets]:manifest:r.txt]";
}
}
/**
* Converter for {@link FullRevision}. Relies on {@code FullRevision#parseRevision(String)} to
* perform conversion and validation.
*/
public static class FullRevisionConverter implements Converter<FullRevision> {
@Override
public FullRevision convert(String input) throws OptionsParsingException {
try {
return FullRevision.parseRevision(input);
} catch (NumberFormatException e) {
throw new OptionsParsingException(e.getMessage());
}
}
@Override
public String getTypeDescription() {
return "a revision number";
}
}
/** Validating converter for Paths. A Path is considered valid if it resolves to a file. */
public static class PathConverter implements Converter<Path> {
private final boolean mustExist;
public PathConverter() {
this.mustExist = false;
}
protected PathConverter(boolean mustExist) {
this.mustExist = mustExist;
}
@Override
public Path convert(String input) throws OptionsParsingException {
try {
Path path = FileSystems.getDefault().getPath(input);
if (mustExist && !Files.exists(path)) {
throw new OptionsParsingException(String.format("%s is not a valid path.", input));
}
return path;
} catch (InvalidPathException e) {
throw new OptionsParsingException(String.format("%s is not a valid path.", input), e);
}
}
@Override
public String getTypeDescription() {
return "a valid filesystem path";
}
}
/**
* Validating converter for Paths. A Path is considered valid if it resolves to a file and exists.
*/
public static class ExistingPathConverter extends PathConverter {
public ExistingPathConverter() {
super(true);
}
}
/** Converter for {@link VariantConfiguration}.{@link Type}. */
public static class VariantConfigurationTypeConverter
extends EnumConverter<VariantConfiguration.Type> {
public VariantConfigurationTypeConverter() {
super(VariantConfiguration.Type.class, "variant configuration type");
}
}
}
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