private Document getW3cDoc(
MortalLogger logger,
DesignTimeUtils designTime,
ResourceOracle resourceOracle,
String templatePath)
throws UnableToCompleteException {
Resource resource = resourceOracle.getResourceMap().get(templatePath);
if (null == resource) {
logger.die("Unable to find resource: " + templatePath);
}
Document doc = null;
try {
String content = designTime.getTemplateContent(templatePath);
if (content == null) {
content = Util.readStreamAsString(resource.openContents());
}
doc =
new W3cDomHelper(logger.getTreeLogger(), resourceOracle)
.documentFor(content, resource.getPath());
} catch (IOException iex) {
logger.die("Error opening resource:" + resource.getLocation(), iex);
} catch (SAXParseException e) {
logger.die("Error parsing XML (line " + e.getLineNumber() + "): " + e.getMessage(), e);
}
return doc;
}
/**
* Finds a JDT CUD for a given top-level type, generating it if needed.
*
* @param topType top-level JClassType
* @return CUD instance or null if no source found
*/
private synchronized CompilationUnitDeclaration getCudForTopLevelType(JClassType topType) {
CompilationUnitDeclaration cud = null;
if (cudCache.containsKey(topType)) {
SoftReference<CompilationUnitDeclaration> cudRef = cudCache.get(topType);
if (cudRef != null) {
cud = cudRef.get();
}
}
if (cud == null) {
Resource classSource = classSources.get(topType);
String source = null;
if (classSource != null) {
try {
InputStream stream = classSource.openContents();
source = Util.readStreamAsString(stream);
} catch (IOException ex) {
throw new InternalCompilerException(
"Problem reading resource: " + classSource.getLocation(), ex);
}
}
if (source == null) {
// cache negative result so we don't try again
cudCache.put(topType, null);
} else {
cud = parseJava(source);
cudCache.put(topType, new SoftReference<CompilationUnitDeclaration>(cud));
}
}
return cud;
}
/**
* Build a new compilation state from a source oracle. Allow the caller to specify a compiler
* delegate that will handle undefined names.
*
* <p>TODO: maybe use a finer brush than to synchronize the whole thing.
*/
public synchronized CompilationState doBuildFrom(
TreeLogger logger,
CompilerContext compilerContext,
Set<Resource> resources,
AdditionalTypeProviderDelegate compilerDelegate)
throws UnableToCompleteException {
UnitCache unitCache = compilerContext.getUnitCache();
// Units we definitely want to build.
List<CompilationUnitBuilder> builders = new ArrayList<CompilationUnitBuilder>();
// Units we don't want to rebuild unless we have to.
Map<CompilationUnitBuilder, CompilationUnit> cachedUnits =
new IdentityHashMap<CompilationUnitBuilder, CompilationUnit>();
CompileMoreLater compileMoreLater = new CompileMoreLater(compilerContext, compilerDelegate);
// For each incoming Java source file...
for (Resource resource : resources) {
// Create a builder for all incoming units.
CompilationUnitBuilder builder = CompilationUnitBuilder.create(resource);
CompilationUnit cachedUnit = unitCache.find(resource.getPathPrefix() + resource.getPath());
// Try to rescue cached units from previous sessions where a jar has been
// recompiled.
if (cachedUnit != null && cachedUnit.getLastModified() != resource.getLastModified()) {
unitCache.remove(cachedUnit);
if (cachedUnit instanceof CachedCompilationUnit
&& cachedUnit.getContentId().equals(builder.getContentId())) {
CachedCompilationUnit updatedUnit =
new CachedCompilationUnit(
(CachedCompilationUnit) cachedUnit,
resource.getLastModified(),
resource.getLocation());
unitCache.add(updatedUnit);
} else {
cachedUnit = null;
}
}
if (cachedUnit != null) {
cachedUnits.put(builder, cachedUnit);
compileMoreLater.addValidUnit(cachedUnit);
continue;
}
builders.add(builder);
}
if (logger.isLoggable(TreeLogger.TRACE)) {
logger.log(
TreeLogger.TRACE,
"Found "
+ cachedUnits.size()
+ " cached/archived units. Used "
+ cachedUnits.size()
+ " / "
+ resources.size()
+ " units from cache.");
}
Collection<CompilationUnit> resultUnits =
compileMoreLater.compile(
logger,
compilerContext,
builders,
cachedUnits,
CompilerEventType.JDT_COMPILER_CSB_FROM_ORACLE);
boolean compileMonolithic = compilerContext.shouldCompileMonolithic();
TypeOracle typeOracle = null;
CompilationUnitTypeOracleUpdater typeOracleUpdater = null;
if (compileMonolithic) {
typeOracle = new TypeOracle();
typeOracleUpdater = new CompilationUnitTypeOracleUpdater(typeOracle);
} else {
typeOracle = new LibraryTypeOracle(compilerContext);
typeOracleUpdater = ((LibraryTypeOracle) typeOracle).getTypeOracleUpdater();
}
return new CompilationState(
logger, compilerContext, typeOracle, typeOracleUpdater, resultUnits, compileMoreLater);
}