Github user hustfxj commented on a diff in the pull request:
https://github.com/apache/storm/pull/1191#discussion_r55303331
--- Diff: storm-core/src/jvm/org/apache/storm/security/auth/AuthUtils.java
---
@@ -81,35 +80,88 @@ public static Configuration GetConfiguration(Map
storm_conf) {
}
/**
- * Pull a set of keys out of a Configuration.
- * @param conf The config to pull the key/value pairs out of.
- * @param conf_entry The app configuration entry name to get stuff
from.
- * @return Return a map of the configs in conf.
+ * Get configurations for a section
+ * @param configuration The config to pull the key/value pairs out of.
+ * @param section The app configuration entry name to get stuff from.
+ * @return Return array of config entries or null if configuration is
null
*/
- public static SortedMap<String, ?> PullConfig(Configuration conf,
- String conf_entry) throws
IOException {
- if(conf == null) {
+ public static AppConfigurationEntry[] getEntries(Configuration
configuration,
+ String section) throws
IOException {
+ if (configuration == null) {
return null;
}
- AppConfigurationEntry configurationEntries[] =
conf.getAppConfigurationEntry(conf_entry);
- if(configurationEntries == null) {
- String errorMessage = "Could not find a '" + conf_entry
- + "' entry in this configuration: Client cannot start.";
+
+ AppConfigurationEntry configurationEntries[] =
configuration.getAppConfigurationEntry(section);
+ if (configurationEntries == null) {
+ String errorMessage = "Could not find a '"+ section + "' entry
in this configuration.";
throw new IOException(errorMessage);
}
+ return configurationEntries;
+ }
+ /**
+ * Pull a set of keys out of a Configuration.
+ * @param configuration The config to pull the key/value pairs out of.
+ * @param section The app configuration entry name to get stuff from.
+ * @return Return a map of the configs in conf.
+ */
+ public static SortedMap<String, ?> pullConfig(Configuration
configuration,
+ String section) throws
IOException {
+ AppConfigurationEntry[] configurationEntries =
AuthUtils.getEntries(configuration, section);
+
+ if (configurationEntries == null) {
+ return null;
+ }
+
TreeMap<String, Object> results = new TreeMap<>();
- for(AppConfigurationEntry entry: configurationEntries) {
+ for (AppConfigurationEntry entry: configurationEntries) {
Map<String, ?> options = entry.getOptions();
- for(String key : options.keySet()) {
+ for (String key : options.keySet()) {
results.put(key, options.get(key));
}
}
+
return results;
}
/**
+ * Pull a the value given section and key from Configuration
+ * @param configuration The config to pull the key/value pairs out of.
+ * @param section The app configuration entry name to get stuff from.
+ * @param key The key to look up inside of the section
+ * @return Return a the String value of the configuration value
+ */
+ public static String get(Configuration configuration, String section,
String key) throws IOException {
+ AppConfigurationEntry[] configurationEntries =
AuthUtils.getEntries(configuration, section);
+
+ if (configurationEntries == null){
+ return null;
+ }
+
+ for (AppConfigurationEntry entry: configurationEntries) {
+ Object val = entry.getOptions().get(key);
+ if (val != null)
+ return (String)val;
+ }
+ return null;
+ }
+
+ /**
+ * Instantiate class with klassName and return instance
+ * @param klassName The class name
+ * @return Instance of type T
+ */
+ private static <T> T makeClass(String klassName) {
+ try {
+ Class klass = Class.forName(klassName);
+ return (T)klass.newInstance();
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
--- End diff --
I think it's better to replace this method by Utils.newInstance
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