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Commit 27512384 authored by Zhi Dou's avatar Zhi Dou Committed by Automerger Merge Worker
Browse files

Merge "Revert "remove file check"" into main am: e7784d13 am: 01473c6c 

Original change: https://android-review.googlesource.com/c/platform/build/+/3366195



Change-Id: Ib0f01769658f2b67b58eeb4f04f3bc91cd2b644f
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 8a316d6a 01473c6c

tools/aconfig/aconfig/src/codegen/java.rs

+89 −8
Original line number Diff line number Diff line
@@ -513,11 +513,19 @@ mod tests { 
        package com.android.aconfig.test;

        // TODO(b/303773055): Remove the annotation after access issue is resolved.

        import android.compat.annotation.UnsupportedAppUsage;

        import android.os.Binder;

        import android.provider.DeviceConfig;

        import android.provider.DeviceConfig.Properties;

        import android.aconfig.storage.StorageInternalReader;

        import java.nio.file.Files;

        import java.nio.file.Paths;



        /** @hide */

        public final class FeatureFlagsImpl implements FeatureFlags {

            private static final boolean isReadFromNew = Files.exists(Paths.get("/metadata/aconfig/boot/enable_only_new_storage"));

            private static volatile boolean isCached = false;

            private static volatile boolean aconfig_test_is_cached = false;

            private static volatile boolean other_namespace_is_cached = false;

            private static boolean disabledRw = false;

            private static boolean disabledRwExported = false;

            private static boolean disabledRwInOtherNamespace = false;
@@ -536,6 +544,55 @@ mod tests { 
                disabledRwInOtherNamespace = foundPackage ? reader.getBooleanFlagValue(3) : false;

                isCached = true;

            }

            private void load_overrides_aconfig_test() {

                final long ident = Binder.clearCallingIdentity();

                try {

                    Properties properties = DeviceConfig.getProperties("aconfig_test");

                    disabledRw =

                        properties.getBoolean(Flags.FLAG_DISABLED_RW, false);

                    disabledRwExported =

                        properties.getBoolean(Flags.FLAG_DISABLED_RW_EXPORTED, false);

                    enabledRw =

                        properties.getBoolean(Flags.FLAG_ENABLED_RW, true);

                } catch (NullPointerException e) {

                    throw new RuntimeException(

                        "Cannot read value from namespace aconfig_test "

                        + "from DeviceConfig. It could be that the code using flag "

                        + "executed before SettingsProvider initialization. Please use "

                        + "fixed read-only flag by adding is_fixed_read_only: true in "

                        + "flag declaration.",

                        e

                    );

                } catch (SecurityException e) {

                    // for isolated process case, skip loading flag value from the storage, use the default

                } finally {

                    Binder.restoreCallingIdentity(ident);

                }

                aconfig_test_is_cached = true;

            }



            private void load_overrides_other_namespace() {

                final long ident = Binder.clearCallingIdentity();

                try {

                    Properties properties = DeviceConfig.getProperties("other_namespace");

                    disabledRwInOtherNamespace =

                        properties.getBoolean(Flags.FLAG_DISABLED_RW_IN_OTHER_NAMESPACE, false);

                } catch (NullPointerException e) {

                    throw new RuntimeException(

                        "Cannot read value from namespace other_namespace "

                        + "from DeviceConfig. It could be that the code using flag "

                        + "executed before SettingsProvider initialization. Please use "

                        + "fixed read-only flag by adding is_fixed_read_only: true in "

                        + "flag declaration.",

                        e

                    );

                } catch (SecurityException e) {

                    // for isolated process case, skip loading flag value from the storage, use the default

                } finally {

                    Binder.restoreCallingIdentity(ident);

                }

                other_namespace_is_cached = true;

            }



            @Override

            @com.android.aconfig.annotations.AconfigFlagAccessor
@@ -547,27 +604,45 @@ mod tests { 
            @com.android.aconfig.annotations.AconfigFlagAccessor

            @UnsupportedAppUsage

            public boolean disabledRw() {

                if (isReadFromNew) {

                    if (!isCached) {

                        init();

                    }

                } else {

                    if (!aconfig_test_is_cached) {

                        load_overrides_aconfig_test();

                    }

                }

                return disabledRw;

            }

            @Override

            @com.android.aconfig.annotations.AconfigFlagAccessor

            @UnsupportedAppUsage

            public boolean disabledRwExported() {

                if (isReadFromNew) {

                    if (!isCached) {

                        init();

                    }

                } else {

                    if (!aconfig_test_is_cached) {

                        load_overrides_aconfig_test();

                    }

                }

                return disabledRwExported;

            }

            @Override

            @com.android.aconfig.annotations.AconfigFlagAccessor

            @UnsupportedAppUsage

            public boolean disabledRwInOtherNamespace() {

                if (isReadFromNew) {

                    if (!isCached) {

                        init();

                    }

                } else {

                    if (!other_namespace_is_cached) {

                        load_overrides_other_namespace();

                    }

                }

                return disabledRwInOtherNamespace;

            }

            @Override
@@ -598,9 +673,15 @@ mod tests { 
            @com.android.aconfig.annotations.AconfigFlagAccessor

            @UnsupportedAppUsage

            public boolean enabledRw() {

                if (isReadFromNew) {

                    if (!isCached) {

                        init();

                    }

                } else {

                    if (!aconfig_test_is_cached) {

                        load_overrides_aconfig_test();

                    }

                }

                return enabledRw;

            }

        }

tools/aconfig/aconfig/templates/FeatureFlagsImpl.java.template

+47 −33
Original line number Diff line number Diff line 
package {package_name};

{{ -if not is_test_mode }}

{{ -if allow_instrumentation }}

{{ if not library_exported- }}{#- only new storage for prod mode #}

{{ if not library_exported- }}

// TODO(b/303773055): Remove the annotation after access issue is resolved.

import android.compat.annotation.UnsupportedAppUsage;

{{ -endif }}



{{ -if runtime_lookup_required }}

import android.os.Binder;

import android.provider.DeviceConfig;

import android.provider.DeviceConfig.Properties;



{{ -if not library_exported }}

import android.aconfig.storage.StorageInternalReader;

import java.nio.file.Files;

import java.nio.file.Paths;

{{ -endif }}



{{ -endif }}

/** @hide */

public final class FeatureFlagsImpl implements FeatureFlags \{

{{ -if runtime_lookup_required }}

{{ -if not library_exported }}

    private static final boolean isReadFromNew = Files.exists(Paths.get("/metadata/aconfig/boot/enable_only_new_storage"));

    private static volatile boolean isCached = false;

{{ -endif }}

{{ -for namespace_with_flags in namespace_flags }}

    private static volatile boolean {namespace_with_flags.namespace}_is_cached = false;

{{ -endfor- }}



{{ for flag in flag_elements }}

{{ -if flag.is_read_write }}

    private static boolean {flag.method_name} = {flag.default_value};

{{ -endif }}

{{ -endfor }}



{{ if not library_exported }}

    private void init() \{

        StorageInternalReader reader = null;

        boolean foundPackage = true;
@@ -34,37 +53,9 @@ public final class FeatureFlagsImpl implements FeatureFlags \{ 
        {{ -endfor }}

        isCached = true;

    }

{{ -endif }}{#- end of runtime_lookup_required #}

{{ -for flag in flag_elements }}

    @Override

    @com.android.aconfig.annotations.AconfigFlagAccessor

    @UnsupportedAppUsage

    public boolean {flag.method_name}() \{

{{ -if flag.is_read_write }}

        if (!isCached) \{

            init();

        }

        return {flag.method_name};

{{ -else }}

        return {flag.default_value};

{{ -endif }}

    }

{{ endfor }}

}

{{ -else- }}{#- device config for exproted mode #}

import android.os.Binder;

import android.provider.DeviceConfig;

import android.provider.DeviceConfig.Properties;

/** @hide */

public final class FeatureFlagsImpl implements FeatureFlags \{

{{ -for namespace_with_flags in namespace_flags }}

    private static volatile boolean {namespace_with_flags.namespace}_is_cached = false;

{{ -endfor- }}

{{ for flag in flag_elements }}

{{ -if flag.is_read_write }}

    private static boolean {flag.method_name} = {flag.default_value};

{{ -endif }}

{{ -endfor }}

{{ endif }}





{{ for namespace_with_flags in namespace_flags }}

    private void load_overrides_{namespace_with_flags.namespace}() \{

        final long ident = Binder.clearCallingIdentity();
@@ -93,17 +84,40 @@ public final class FeatureFlagsImpl implements FeatureFlags \{ 
        {namespace_with_flags.namespace}_is_cached = true;

    }

{{ endfor- }}



{{ -endif }}{#- end of runtime_lookup_required #}

{{ -for flag in flag_elements }}

    @Override

{{ -if not library_exported }}

    @com.android.aconfig.annotations.AconfigFlagAccessor

    @UnsupportedAppUsage

{{ -endif }}

    public boolean {flag.method_name}() \{

{{ -if not library_exported }}

{{ -if flag.is_read_write }}

        if (isReadFromNew) \{

            if (!isCached) \{

                init();

            }

        } else \{

            if (!{flag.device_config_namespace}_is_cached) \{

                load_overrides_{flag.device_config_namespace}();

            }

        }

        return {flag.method_name};

{{ -else }}

        return {flag.default_value};

{{ -endif }}

{{ else }}

        if (!{flag.device_config_namespace}_is_cached) \{

            load_overrides_{flag.device_config_namespace}();

        }

        return {flag.method_name};

{{ -endif }}

    }

{{ endfor }}

}

{{ -endif- }} {#- end exported mode #}



{{ else }} {#- else for allow_instrumentation is not enabled #}

{{ if not library_exported- }}

// TODO(b/303773055): Remove the annotation after access issue is resolved.