/**
* Loads the configuration properties in the configuration property file associated with the
* framework installation; these properties are accessible to the framework and to bundles and are
* intended for configuration purposes. By default, the configuration property file is located in
* the <tt>conf/</tt> directory and is called " <tt>config.properties</tt>".
*
* @return A <tt>Map<String, Object></tt> instance or <tt>null</tt> if there was an error.
*/
protected Map<String, String> loadConfigProperties(
JsonValue configuration, URI projectDirectory) {
JsonValue systemProperties = configuration.get(CONFIG_PROPERTIES_PROP);
if (systemProperties.isMap()) {
// Substitute all variables
systemProperties = systemProperties.copy();
} else {
Properties props =
loadPropertyFile(
projectDirectory,
systemProperties
.expect(String.class)
.defaultTo(CONFIG_PROPERTIES_FILE_VALUE)
.asString());
if (props == null) return new HashMap<String, String>(0);
// Perform variable substitution on specified properties.
systemProperties = (new JsonValue(props, null, Arrays.asList(transformer))).copy();
}
Map<String, String> config = new HashMap<String, String>(systemProperties.size());
for (Map.Entry<String, Object> entry : systemProperties.asMap().entrySet()) {
if (entry.getValue() instanceof String) {
// Excluce the null and non String values
config.put(entry.getKey(), (String) entry.getValue());
}
}
return config;
}
/**
* Loads the properties in the system property file associated with the framework installation
* into <tt>System.setProperty()</tt>. These properties are not directly used by the framework in
* anyway. By default, the system property file is located in the <tt>conf/</tt> directory and is
* called "<tt>system.properties</tt>".
*/
protected void loadSystemProperties(JsonValue configuration, URI projectDirectory) {
JsonValue systemProperties = configuration.get(SYSTEM_PROPERTIES_PROP);
if (systemProperties.isMap()) {
for (Map.Entry<String, Object> entry : systemProperties.copy().asMap().entrySet()) {
// The user.dir MUST not be overwritten!!!
if (entry.getValue() instanceof String && !"user.dir".equals(entry.getKey())) {
System.setProperty(entry.getKey(), (String) entry.getValue());
}
}
} else {
Properties props =
loadPropertyFile(
projectDirectory,
systemProperties
.expect(String.class)
.defaultTo(SYSTEM_PROPERTIES_FILE_VALUE)
.asString());
if (props == null) return;
// Perform variable substitution on specified properties.
for (Enumeration e = props.propertyNames(); e.hasMoreElements(); ) {
String name = (String) e.nextElement();
if (!"user.dir".equals(name)) {
Object newValue = ConfigurationUtil.substVars(props.getProperty(name), propertyAccessor);
if (newValue instanceof String) {
System.setProperty(name, (String) newValue);
}
}
}
}
}
/**
* Loads the boot properties in the configuration property file associated with the framework
* installation; these properties are accessible to the framework and to bundles and are intended
* for configuration purposes. By default, the configuration property file is located in the
* <tt>conf/</tt> directory and is called " <tt>config.properties</tt>".
*
* @return A <tt>Map<String, Object></tt> instance or <tt>null</tt> if there was an error.
*/
protected Map<String, Object> loadBootProperties(JsonValue configuration, URI projectDirectory) {
JsonValue bootProperties = configuration.get(BOOT_PROPERTIES_PROP);
if (bootProperties.isMap()) {
// Substitute all variables
return bootProperties.copy().asMap();
} else {
Properties props =
loadPropertyFile(
projectDirectory,
bootProperties.expect(String.class).defaultTo(BOOT_PROPERTIES_FILE_VALUE).asString());
if (props == null) return new HashMap<String, Object>(0);
// Perform variable substitution on specified properties.
return (new JsonValue(props, null, Arrays.asList(transformer)))
.expect(Map.class)
.copy()
.asMap();
}
}
