private static Location buildLocation(
String property,
URL defaultLocation,
String userDefaultAppendage,
boolean readOnlyDefault,
boolean computeReadOnly,
String dataAreaPrefix) {
String location = FrameworkProperties.clearProperty(property);
// the user/product may specify a non-default readOnly setting
String userReadOnlySetting = FrameworkProperties.getProperty(property + READ_ONLY_AREA_SUFFIX);
boolean readOnly =
(userReadOnlySetting == null
? readOnlyDefault
: Boolean.valueOf(userReadOnlySetting).booleanValue());
// if the instance location is not set, predict where the workspace will be and
// put the instance area inside the workspace meta area.
if (location == null)
return new BasicLocation(
property,
defaultLocation,
userReadOnlySetting != null || !computeReadOnly ? readOnly : !canWrite(defaultLocation),
dataAreaPrefix);
String trimmedLocation = location.trim();
if (trimmedLocation.equalsIgnoreCase(NONE)) return null;
if (trimmedLocation.equalsIgnoreCase(NO_DEFAULT))
return new BasicLocation(property, null, readOnly, dataAreaPrefix);
if (trimmedLocation.startsWith(USER_HOME)) {
String base = substituteVar(location, USER_HOME, PROP_USER_HOME);
location = new File(base, userDefaultAppendage).getAbsolutePath();
} else if (trimmedLocation.startsWith(USER_DIR)) {
String base = substituteVar(location, USER_DIR, PROP_USER_DIR);
location = new File(base, userDefaultAppendage).getAbsolutePath();
}
URL url = buildURL(location, true);
BasicLocation result = null;
if (url != null) {
result =
new BasicLocation(
property,
null,
userReadOnlySetting != null || !computeReadOnly ? readOnly : !canWrite(url),
dataAreaPrefix);
result.setURL(url, false);
}
return result;
}
/** Initializes the Location objects for the LocationManager. */
public static void initializeLocations() {
// do install location initialization first since others may depend on it
// assumes that the property is already set
installLocation = buildLocation(PROP_INSTALL_AREA, null, "", true, false, null); // $NON-NLS-1$
// TODO not sure what the data area prefix should be here for the user area
Location temp =
buildLocation(PROP_USER_AREA_DEFAULT, null, "", false, false, null); // $NON-NLS-1$
URL defaultLocation = temp == null ? null : temp.getURL();
if (defaultLocation == null)
defaultLocation =
buildURL(
new File(FrameworkProperties.getProperty(PROP_USER_HOME), "user").getAbsolutePath(),
true); //$NON-NLS-1$
userLocation =
buildLocation(PROP_USER_AREA, defaultLocation, "", false, false, null); // $NON-NLS-1$
temp =
buildLocation(
PROP_INSTANCE_AREA_DEFAULT,
null,
"",
false,
false,
INSTANCE_DATA_AREA_PREFIX); //$NON-NLS-1$
defaultLocation = temp == null ? null : temp.getURL();
if (defaultLocation == null)
defaultLocation =
buildURL(
new File(FrameworkProperties.getProperty(PROP_USER_DIR), "workspace")
.getAbsolutePath(),
true); //$NON-NLS-1$
instanceLocation =
buildLocation(
PROP_INSTANCE_AREA,
defaultLocation,
"",
false,
false,
INSTANCE_DATA_AREA_PREFIX); //$NON-NLS-1$
mungeConfigurationLocation();
// compute a default but it is very unlikely to be used since main will have computed everything
temp = buildLocation(PROP_CONFIG_AREA_DEFAULT, null, "", false, false, null); // $NON-NLS-1$
defaultLocation = temp == null ? null : temp.getURL();
if (defaultLocation == null && FrameworkProperties.getProperty(PROP_CONFIG_AREA) == null)
// only compute the default if the configuration area property is not set
defaultLocation = buildURL(computeDefaultConfigurationLocation(), true);
configurationLocation =
buildLocation(PROP_CONFIG_AREA, defaultLocation, "", false, false, null); // $NON-NLS-1$
// get the parent location based on the system property. This will have been set on the
// way in either by the caller/user or by main. There will be no parent location if we are not
// cascaded.
URL parentLocation = computeSharedConfigurationLocation();
if (parentLocation != null && !parentLocation.equals(configurationLocation.getURL())) {
Location parent = new BasicLocation(null, parentLocation, true, null);
((BasicLocation) configurationLocation).setParent(parent);
}
initializeDerivedConfigurationLocations();
if (FrameworkProperties.getProperty(PROP_HOME_LOCATION_AREA) == null) {
String eclipseLauncher = FrameworkProperties.getProperty(PROP_LAUNCHER);
String eclipseHomeLocationPath = getEclipseHomeLocation(eclipseLauncher);
if (eclipseHomeLocationPath != null)
FrameworkProperties.setProperty(PROP_HOME_LOCATION_AREA, eclipseHomeLocationPath);
}
// if eclipse.home.location is not set then default to osgi.install.area
if (FrameworkProperties.getProperty(PROP_HOME_LOCATION_AREA) == null
&& FrameworkProperties.getProperty(PROP_INSTALL_AREA) != null)
FrameworkProperties.setProperty(
PROP_HOME_LOCATION_AREA, FrameworkProperties.getProperty(PROP_INSTALL_AREA));
eclipseHomeLocation =
buildLocation(PROP_HOME_LOCATION_AREA, null, "", true, true, null); // $NON-NLS-1$
}
