| /* |
| * Copyright 2014-present Facebook, Inc. |
| * |
| * 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.facebook.buck.rules.coercer; |
| |
| import com.facebook.buck.io.ProjectFilesystem; |
| import com.facebook.buck.parser.BuildTargetParser; |
| import com.google.common.base.Optional; |
| |
| import java.nio.file.Path; |
| import java.util.List; |
| |
| /** |
| * A type coercer to handle destination references Apple bundle rules. |
| */ |
| public class AppleBundleDestinationTypeCoercer implements TypeCoercer<AppleBundleDestination> { |
| private final EnumTypeCoercer<AppleBundleDestination.SubfolderSpec> enumTypeCoercer; |
| private final TypeCoercer<String> stringTypeCoercer; |
| |
| public AppleBundleDestinationTypeCoercer(TypeCoercer<String> stringTypeCoercer) { |
| enumTypeCoercer = new EnumTypeCoercer<>(AppleBundleDestination.SubfolderSpec.class); |
| this.stringTypeCoercer = stringTypeCoercer; |
| } |
| |
| @Override |
| public Class<AppleBundleDestination> getOutputClass() { |
| return AppleBundleDestination.class; |
| } |
| |
| @Override |
| public boolean hasElementClass(Class<?>... types) { |
| return enumTypeCoercer.hasElementClass(types) || stringTypeCoercer.hasElementClass(types); |
| } |
| |
| @Override |
| public Optional<AppleBundleDestination> getOptionalValue() { |
| return Optional.<AppleBundleDestination>of( |
| ImmutableAppleBundleDestination.of( |
| AppleBundleDestination.SubfolderSpec.RESOURCES, |
| Optional.<String>absent())); |
| } |
| |
| @Override |
| public void traverse(AppleBundleDestination object, Traversal traversal) { |
| enumTypeCoercer.traverse(object.getSubfolderSpec(), traversal); |
| if (object.getSubpath().isPresent()) { |
| stringTypeCoercer.traverse(object.getSubpath().get(), traversal); |
| } |
| } |
| |
| @Override |
| public AppleBundleDestination coerce( |
| BuildTargetParser buildTargetParser, |
| ProjectFilesystem filesystem, |
| Path pathRelativeToProjectRoot, |
| Object object) throws CoerceFailedException { |
| if (object instanceof AppleBundleDestination) { |
| return (AppleBundleDestination) object; |
| } |
| |
| if (object instanceof String) { |
| AppleBundleDestination.SubfolderSpec subfolderSpec = enumTypeCoercer.coerce( |
| buildTargetParser, |
| filesystem, |
| pathRelativeToProjectRoot, |
| object); |
| return ImmutableAppleBundleDestination.of(subfolderSpec, Optional.<String>absent()); |
| } |
| |
| if (object instanceof List<?>) { |
| List<?> list = (List<?>) object; |
| Object first = list.size() >= 1 ? list.get(0) : null; |
| Object second = list.size() >= 2 ? list.get(1) : null; |
| |
| if (first instanceof String && second instanceof String) { |
| AppleBundleDestination.SubfolderSpec subfolderSpec = enumTypeCoercer.coerce( |
| buildTargetParser, |
| filesystem, |
| pathRelativeToProjectRoot, |
| first); |
| String subpath = stringTypeCoercer.coerce( |
| buildTargetParser, |
| filesystem, |
| pathRelativeToProjectRoot, |
| second); |
| return ImmutableAppleBundleDestination.of(subfolderSpec, Optional.of(subpath)); |
| } |
| } |
| |
| throw CoerceFailedException.simple(object, getOutputClass()); |
| } |
| } |