@Override
public ListenableFuture<Map<String, Object>> getNodeJob(
final Cell cell, final BuildTarget buildTarget) throws BuildTargetException {
return Futures.transformAsync(
getAllNodesJob(cell, cell.getAbsolutePathToBuildFile(buildTarget)),
input -> {
for (Map<String, Object> rawNode : input) {
Object shortName = rawNode.get("name");
if (buildTarget.getShortName().equals(shortName)) {
return Futures.immediateFuture(rawNode);
}
}
throw NoSuchBuildTargetException.createForMissingBuildRule(
buildTarget,
BuildTargetPatternParser.forBaseName(buildTarget.getBaseName()),
cell.getBuildFileName(),
"Defined in file: " + cell.getAbsolutePathToBuildFile(buildTarget));
},
executorService);
}
/**
* @param buildTargetName either a fully-qualified name or relative to the {@link ParseContext}.
* For example, inside {@code first-party/orca/orcaapp/BUILD}, which can be obtained by
* calling {@code ParseContext.forBaseName("first-party/orca/orcaapp")}, {@code
* //first-party/orca/orcaapp:assets} and {@code :assets} refer to the same target. However,
* from the command line the context is obtained by calling {@link
* ParseContext#fullyQualified()} and relative names are not recognized.
* @param parseContext how targets should be interpreted, such in the context of a specific build
* file or only as fully-qualified names (as is the case for targets from the command line).
*/
public BuildTarget parse(String buildTargetName, ParseContext parseContext)
throws NoSuchBuildTargetException {
Preconditions.checkNotNull(buildTargetName);
Preconditions.checkNotNull(parseContext);
for (String invalidSubstring : INVALID_BUILD_RULE_SUBSTRINGS) {
if (buildTargetName.contains(invalidSubstring)) {
throw new BuildTargetParseException(
String.format("%s cannot contain %s", buildTargetName, invalidSubstring));
}
}
if (buildTargetName.endsWith(BUILD_RULE_SEPARATOR)
&& parseContext.getType() != ParseContext.Type.VISIBILITY) {
throw new BuildTargetParseException(
String.format("%s cannot end with a colon", buildTargetName));
}
List<String> parts = ImmutableList.copyOf(BUILD_RULE_SEPARATOR_SPLITTER.split(buildTargetName));
if (parts.size() != 2) {
throw new BuildTargetParseException(
String.format(
"%s must contain exactly one colon (found %d)", buildTargetName, parts.size() - 1));
}
String baseName = parts.get(0).isEmpty() ? parseContext.getBaseName() : parts.get(0);
String shortName = parts.get(1);
String fullyQualifiedName = String.format("%s:%s", baseName, shortName);
if (!fullyQualifiedName.startsWith(BUILD_RULE_PREFIX)) {
throw new BuildTargetParseException(
String.format("%s must start with %s", fullyQualifiedName, BUILD_RULE_PREFIX));
}
// Make sure the directory that contains the build file exists.
String buildFileDirectory = baseName.substring(BUILD_RULE_PREFIX.length());
String buildFilePath =
(buildFileDirectory.isEmpty() ? "" : buildFileDirectory + "/") + BUILD_RULES_FILE_NAME;
if (!projectFilesystem.exists(buildFileDirectory)) {
if (parseContext.getType() == ParseContext.Type.BUILD_FILE
&& baseName.equals(parseContext.getBaseName())) {
throw new BuildTargetParseException(
String.format(
"Internal error: Parsing in the context of %s, but %s does not exist",
buildFilePath, buildFileDirectory));
} else {
throw NoSuchBuildTargetException.createForMissingDirectory(
buildFileDirectory, buildTargetName, parseContext);
}
}
// Make sure the build file exists.
if (!projectFilesystem.exists(buildFilePath)) {
if (parseContext.getType() == ParseContext.Type.BUILD_FILE
&& baseName.equals(parseContext.getBaseName())) {
throw new BuildTargetParseException(
String.format(
"Internal error: Parsing in the context of %s, but %s does not exist",
buildFilePath, buildFilePath));
} else {
throw NoSuchBuildTargetException.createForMissingBuildFile(
buildFilePath, buildTargetName, parseContext);
}
}
return new BuildTarget(baseName, shortName);
}
