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---
layout: default
class: Builder
title: -sub FILE-SPEC ( ',' FILE-SPEC )*
summary: Build a set of bnd files that use this bnd file as a basis. The list of bnd file can be specified with wildcards.
---
/**
* Answer a list of builders that represent this file or a list of files
* specified in -sub. This list can be empty. These builders represents to
* be created artifacts and are each scoped to such an artifacts. The
* builders can be used to build the bundles or they can be used to find out
* information about the to be generated bundles.
*
* @return List of 0..n builders representing artifacts.
* @throws Exception
*/
public List<Builder> getSubBuilders() throws Exception {
String sub = getProperty(SUB);
if (sub == null || sub.trim().length() == 0 || EMPTY_HEADER.equals(sub))
return Arrays.asList(this);
List<Builder> builders = new ArrayList<Builder>();
if (isTrue(getProperty(NOBUNDLES)))
return builders;
Parameters subsMap = parseHeader(sub);
for (Iterator<String> i = subsMap.keySet().iterator(); i.hasNext();) {
File file = getFile(i.next());
if (file.isFile() && !file.getName().startsWith(".")) {
builders.add(getSubBuilder(file));
i.remove();
}
}
Instructions instructions = new Instructions(subsMap);
List<File> members = new ArrayList<File>(Arrays.asList(getBase().listFiles()));
nextFile: while (members.size() > 0) {
File file = members.remove(0);
// Check if the file is one of our parents
@SuppressWarnings("resource")
Processor p = this;
while (p != null) {
if (file.equals(p.getPropertiesFile()))
continue nextFile;
p = p.getParent();
}
for (Iterator<Instruction> i = instructions.keySet().iterator(); i.hasNext();) {
Instruction instruction = i.next();
if (instruction.matches(file.getName())) {
if (!instruction.isNegated()) {
builders.add(getSubBuilder(file));
}
// Because we matched (even though we could be negated)
// we skip any remaining searches
continue nextFile;
}
}
}
return builders;
}
public Builder getSubBuilder(File file) throws Exception {
Builder builder = getSubBuilder();
if (builder != null) {
builder.setProperties(file);
addClose(builder);
}
return builder;
}
public Builder getSubBuilder() throws Exception {
Builder builder = new Builder(this);
builder.setBase(getBase());
for (Jar file : getClasspath()) {
builder.addClasspath(file);
}
return builder;
}
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