4a6af78b69
This commit adds a third codegen mode, _exported_, in addition to the existing modes, production and test. When codegen mode is _exported_, getters are generated _only_ for flags marked as exported as well. Also the getters always look up DeviceConfig values at runtime, and have a default value of false. This only implements exported mode for Java codegen, follow-up CLs will support Rust and C++. Test: atest aconfig.test Bug: 311152507 Change-Id: Ie39379b40de072180e05d84c76361b24cc0e0d83
116 lines
3.3 KiB
Plaintext
116 lines
3.3 KiB
Plaintext
package {package_name};
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// TODO(b/303773055): Remove the annotation after access issue is resolved.
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import android.compat.annotation.UnsupportedAppUsage;
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{{ if not is_test_mode }}
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{{ if is_read_write- }}
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import android.provider.DeviceConfig;
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import android.provider.DeviceConfig.Properties;
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{{ endif }}
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/** @hide */
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public final class FeatureFlagsImpl implements FeatureFlags \{
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{{- if is_read_write }}
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{{- for namespace_with_flags in namespace_flags }}
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private static boolean {namespace_with_flags.namespace}_is_cached = false;
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{{- endfor- }}
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{{ for flag in flag_elements }}
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{{ if library_exported }}
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{{ if flag.exported }}
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private static boolean {flag.method_name} = false;
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{{ endif }}
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{{ else }}
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{{- if flag.is_read_write }}
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private static boolean {flag.method_name} = {flag.default_value};
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{{- endif- }}
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{{ endif }}
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{{ endfor }}
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{{ for namespace_with_flags in namespace_flags }}
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private void load_overrides_{namespace_with_flags.namespace}() \{
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try \{
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Properties properties = DeviceConfig.getProperties("{namespace_with_flags.namespace}");
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{{- for flag in namespace_with_flags.flags }}
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{{ if library_exported }}
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{{ if flag.exported }}
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{flag.method_name} =
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properties.getBoolean("{flag.device_config_flag}", false);
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{{ endif }}
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{{ else }}
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{{ if flag.is_read_write }}
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{flag.method_name} =
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properties.getBoolean("{flag.device_config_flag}", {flag.default_value});
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{{ endif }}
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{{ endif }}
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{{ endfor }}
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} catch (NullPointerException e) \{
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throw new RuntimeException(
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"Cannot read value from namespace {namespace_with_flags.namespace} "
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+ "from DeviceConfig. It could be that the code using flag "
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+ "executed before SettingsProvider initialization. Please use "
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+ "fixed read-only flag by adding is_fixed_read_only: true in "
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+ "flag declaration.",
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e
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);
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}
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{namespace_with_flags.namespace}_is_cached = true;
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}
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{{ endfor- }}
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{{ endif- }}
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{{ for flag in flag_elements }}
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{{ if library_exported }}
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{{ if flag.exported }}
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@Override
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@UnsupportedAppUsage
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public boolean {flag.method_name}() \{
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{{ -if flag.is_read_write }}
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if (!{flag.device_config_namespace}_is_cached) \{
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load_overrides_{flag.device_config_namespace}();
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}
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return {flag.method_name};
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{{ else }}
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return {flag.default_value};
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{{ endif- }}
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}
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{{ endif }}
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{{ else }}
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@Override
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@UnsupportedAppUsage
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public boolean {flag.method_name}() \{
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{{ -if flag.is_read_write }}
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if (!{flag.device_config_namespace}_is_cached) \{
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load_overrides_{flag.device_config_namespace}();
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}
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return {flag.method_name};
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{{ else }}
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return {flag.default_value};
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{{ endif- }}
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}
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{{ endif }}
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{{ endfor }}
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}
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{{ else }}
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{#- Generate only stub if in test mode #}
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/** @hide */
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public final class FeatureFlagsImpl implements FeatureFlags \{
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{{ for flag in flag_elements }}
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@Override
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@UnsupportedAppUsage
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public boolean {flag.method_name}() \{
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throw new UnsupportedOperationException(
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"Method is not implemented.");
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}
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{{ endfor- }}
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}
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{{ endif }}
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