private String[] parseImplements(Target target) {
// TODO: parse during plugin parsing ... add them properly to target
String[] implementsPlugin = Strings.trim(Strings.split(target.getImplementsPlugin(), ":"));
if ((implementsPlugin == null) || (implementsPlugin.length != 3)) {
throw new BuildException(
"'implements' attribute of 'target' element is not in 'group:name:target' format. plugin="
+ target.getPlugin().getArtifact().getId()
+ ", target="
+ target.getName()
+ ", value="
+ target.getImplementsPlugin());
}
return implementsPlugin;
}
private void addTarget(Map resolved, Target target) {
// System.out.println("Adding " + target.getName() + " from " + parents);
if (target.getPrefix() != null) {
target.setDefaultProperties(expandPrefix(target.getPrefix(), target.getDefaultProperties()));
}
Target existing = (Target) resolved.get(target.getName());
if (existing != null) {
RepoArtifactId targetId = target.getPlugin().getArtifact().getId();
RepoArtifactId existingId = existing.getPlugin().getArtifact().getId();
Assert.isTrue(
targetId.equals(existingId),
target.getLocator(),
"Multiple targets are defined with the name '"
+ target.getName()
+ "'. Declared in "
+ targetId
+ " and "
+ existingId);
return;
}
resolved.put(target.getName(), target);
registerTypes(target);
registerProjectPaths(target);
buildResources.putAll(target.getPlugin().getBuildResources());
// PluginDependency declares the target
addDependentTargets(resolved, target);
if (target.getImplementsPlugin() != null) {
// PluginDependency implements the target declared in another plugin
String[] implementsPlugin = parseImplements(target);
RepoArtifactId declaringPluginId =
fastFindMatchingDependency(
target,
new RepoArtifactId(
implementsPlugin[0], implementsPlugin[1], "plugin", (Version) null));
Plugin declaringPlugin = getPluginInstance(declaringPluginId);
String declaringTargetName = declaringPlugin.getNameSpace() + ":" + implementsPlugin[2];
// Get the declaring plugin and find the matching target
Target declaringTarget = (Target) resolved.get(declaringTargetName);
if (declaringTarget == null) {
declaringTarget = declaringPlugin.getTarget(declaringTargetName);
Assert.isTrue(
declaringTarget != null,
target.getLocator(),
"'"
+ declaringTargetName
+ "' is not defined in '"
+ declaringPluginId.toShortString()
+ "'");
addTarget(resolved, declaringTarget);
}
Assert.isTrue(
declaringTarget.isAbstract(),
target.getLocator(),
"Target is attempting to implement a non-abstract target: target="
+ target.getName()
+ ", implements="
+ declaringTarget.getName());
target.getPlugin().setDeclaringPlugin(declaringTarget.getPlugin());
if (!declaringTarget.isImplemented()) {
declaringTarget.setImplemented(true);
declaringTarget.clearDependencies();
}
declaringTarget.addDependency(target.getName());
// Add the declaring targets dependencies to ensure the implementation is executed before them
for (Iterator i = declaringTarget.getOriginalDependencies().iterator(); i.hasNext(); ) {
String dependency = (String) i.next();
target.addDependency(dependency);
}
}
}