@Override
public List<DataRecord> visit(Alias alias) {
alias.getTypedExpression().accept(this);
FieldMetadata aliasField =
new SimpleTypeFieldMetadata(
explicitProjection,
false,
lastField.isMany(),
lastField.isMandatory(),
alias.getAliasName(),
lastField.getType(),
Collections.<String>emptyList(),
Collections.<String>emptyList(),
Collections.<String>emptyList(),
StringUtils.EMPTY);
ValueBuilder previousValueBuilder = recordProjection.remove(lastField);
if (previousValueBuilder == null) {
AggregateValueBuilder previous = aggregateProjection.remove(lastField);
aggregateProjection.put(aliasField, previous);
} else {
recordProjection.put(aliasField, previousValueBuilder);
}
return records;
}
/** Create the default set of framework (launch) properties. */
protected void initProperties(FrameworkContext fwCtx) {
setPropertyIfNotSet(Constants.FRAMEWORK_BOOTDELEGATION, "");
setPropertyIfNotSet(Constants.FRAMEWORK_BUNDLE_PARENT, Constants.FRAMEWORK_BUNDLE_PARENT_BOOT);
setPropertyIfNotSet(Constants.FRAMEWORK_EXECPERMISSION, "");
if (!props.containsKey(Constants.FRAMEWORK_EXECUTIONENVIRONMENT)) {
StringBuffer ee = new StringBuffer();
// Always allow ee minimum
ee.append("OSGi/Minimum-1.0");
ee.append(",OSGi/Minimum-1.1");
ee.append(",OSGi/Minimum-1.2");
// Set up the default ExecutionEnvironment
if (1 == javaVersionMajor) {
for (int i = javaVersionMinor; i > 1; i--) {
ee.append((i > 5) ? ",JavaSE-1." : ",J2SE-1.");
ee.append(i);
}
}
props.put(Constants.FRAMEWORK_EXECUTIONENVIRONMENT, ee.toString());
}
setPropertyIfNotSet(Constants.FRAMEWORK_LANGUAGE, Locale.getDefault().getLanguage());
setPropertyIfNotSet(Constants.FRAMEWORK_LIBRARY_EXTENSIONS, "");
setPropertyIfNotSet(
Constants.FRAMEWORK_OS_NAME, Alias.unifyOsName(System.getProperty("os.name")));
if (!props.containsKey(Constants.FRAMEWORK_OS_VERSION)) {
String ver = System.getProperty("os.version");
int maj = 0;
int min = 0;
int mic = 0;
String qual = null;
if (ver != null) {
// Convert os.version to a reasonable default
try {
StringTokenizer st = new StringTokenizer(ver.trim(), ".");
maj = Integer.parseInt(st.nextToken());
if (st.hasMoreTokens()) {
qual = st.nextToken();
min = Integer.parseInt(qual);
qual = null;
if (st.hasMoreTokens()) {
qual = st.nextToken();
mic = Integer.parseInt(qual);
qual = null;
if (st.hasMoreTokens()) {
qual = st.nextToken();
}
}
}
} catch (Exception ignore) {
}
}
Version osVersion;
try {
osVersion = new Version(maj, min, mic, qual);
} catch (IllegalArgumentException skip) {
osVersion = new Version(maj, min, mic, null);
}
props.put(Constants.FRAMEWORK_OS_VERSION, osVersion.toString());
}
setPropertyIfNotSet(
Constants.FRAMEWORK_PROCESSOR, Alias.unifyProcessor(System.getProperty("os.arch")));
setPropertyIfNotSet(Constants.FRAMEWORK_SECURITY, "");
setPropertyIfNotSet(Constants.FRAMEWORK_BEGINNING_STARTLEVEL, "1");
setPropertyIfNotSet(Constants.FRAMEWORK_STORAGE, "fwdir");
setPropertyIfNotSet(Constants.FRAMEWORK_STORAGE_CLEAN, "");
// NYI, fill this with values
setPropertyIfNotSet(Constants.FRAMEWORK_SYSTEMPACKAGES, "");
setPropertyIfNotSet(Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, "");
setPropertyIfNotSet(Constants.FRAMEWORK_TRUST_REPOSITORIES, "");
// NYI
setPropertyIfNotSet(Constants.FRAMEWORK_WINDOWSYSTEM, "");
// Impl. constants
props.put(Constants.FRAMEWORK_VERSION, FrameworkContext.SPEC_VERSION);
props.put(Constants.FRAMEWORK_VENDOR, "Knopflerfish");
props.put(Constants.SUPPORTS_FRAMEWORK_REQUIREBUNDLE, TRUE);
props.put(Constants.SUPPORTS_FRAMEWORK_FRAGMENT, TRUE);
// Only first framework support framework extension
// NYI! Improve this in the future
props.put(
Constants.SUPPORTS_FRAMEWORK_EXTENSION,
getClass().getClassLoader() instanceof URLClassLoader && fwCtx.id == 0 ? TRUE : FALSE);
// Only first framework can support bootclasspath extension
// NYI! Improve this in the future
setPropertyIfNotSet(Constants.SUPPORTS_BOOTCLASSPATH_EXTENSION, FALSE);
if (getBooleanProperty(Constants.SUPPORTS_BOOTCLASSPATH_EXTENSION)
&& !(getClass().getClassLoader() instanceof URLClassLoader && fwCtx.id == 1)) {
props.put(Constants.SUPPORTS_BOOTCLASSPATH_EXTENSION, FALSE);
}
}
@Override
public Collection<? extends ComplexTypeMetadata> visit(Alias alias) {
alias.getTypedExpression().accept(this);
return closure;
}