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add native module overriding

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Differential Revision: D2700638

fb-gh-sync-id: a88ffaf864be848e1bba22e443d301e4623f04ec
This commit is contained in:
Felix Oghină
2015-11-27 06:25:35 -08:00
committed by facebook-github-bot-3
parent af753a8a4d
commit 9e30c3b218
3 changed files with 44 additions and 36 deletions
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55
ReactAndroid/src/main/java/com/facebook/react/bridge/NativeModuleRegistry.java
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@@ -13,11 +13,10 @@ import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import com.facebook.react.common.MapBuilder;
import com.facebook.react.common.SetBuilder;
import com.facebook.infer.annotation.Assertions;
import com.facebook.systrace.Systrace;
@@ -30,13 +29,13 @@ import com.fasterxml.jackson.core.JsonGenerator;
public class NativeModuleRegistry {
private final ArrayList<ModuleDefinition> mModuleTable;
private final Map<Class<NativeModule>, NativeModule> mModuleInstances;
private final Map<Class<? extends NativeModule>, NativeModule> mModuleInstances;
private final String mModuleDescriptions;
private final ArrayList<OnBatchCompleteListener> mBatchCompleteListenerModules;
private NativeModuleRegistry(
ArrayList<ModuleDefinition> moduleTable,
Map<Class<NativeModule>, NativeModule> moduleInstances,
Map<Class<? extends NativeModule>, NativeModule> moduleInstances,
String moduleDescriptions) {
mModuleTable = moduleTable;
mModuleInstances = moduleInstances;
@@ -160,32 +159,24 @@ public class NativeModuleRegistry {
public static class Builder {
private ArrayList<ModuleDefinition> mModuleDefinitions;
private Map<Class<NativeModule>, NativeModule> mModuleInstances;
private Set<String> mSeenModuleNames;
public Builder() {
mModuleDefinitions = new ArrayList<ModuleDefinition>();
mModuleInstances = MapBuilder.newHashMap();
mSeenModuleNames = SetBuilder.newHashSet();
}
private final HashMap<String, NativeModule> mModules = MapBuilder.newHashMap();
public Builder add(NativeModule module) {
ModuleDefinition registration = new ModuleDefinition(
mModuleDefinitions.size(),
module.getName(),
module);
Assertions.assertCondition(
!mSeenModuleNames.contains(module.getName()),
"Module " + module.getName() + " was already registered!");
mSeenModuleNames.add(module.getName());
mModuleDefinitions.add(registration);
mModuleInstances.put((Class<NativeModule>) module.getClass(), module);
NativeModule existing = mModules.get(module.getName());
if (existing != null && !module.canOverrideExistingModule()) {
throw new IllegalStateException("Native module " + module.getClass().getSimpleName() +
" tried to override " + existing.getClass().getSimpleName() + " for module name " +
module.getName() + ". If this was your intention, return true from " +
module.getClass().getSimpleName() + "#canOverrideExistingModule()");
}
mModules.put(module.getName(), module);
return this;
}
public NativeModuleRegistry build() {
Systrace.beginSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "CreateJSON");
ArrayList<ModuleDefinition> moduleTable = new ArrayList<>();
Map<Class<? extends NativeModule>, NativeModule> moduleInstances = MapBuilder.newHashMap();
String moduleDefinitionJson;
try {
JsonFactory jsonFactory = new JsonFactory();
@@ -193,19 +184,23 @@ public class NativeModuleRegistry {
try {
JsonGenerator jg = jsonFactory.createGenerator(writer);
jg.writeStartObject();
for (ModuleDefinition module : mModuleDefinitions) {
jg.writeObjectFieldStart(module.name);
jg.writeNumberField("moduleID", module.id);
int idx = 0;
for (NativeModule module : mModules.values()) {
ModuleDefinition moduleDef = new ModuleDefinition(idx++, module.getName(), module);
moduleTable.add(moduleDef);
moduleInstances.put(module.getClass(), module);
jg.writeObjectFieldStart(moduleDef.name);
jg.writeNumberField("moduleID", moduleDef.id);
jg.writeObjectFieldStart("methods");
for (int i = 0; i < module.methods.size(); i++) {
MethodRegistration method = module.methods.get(i);
for (int i = 0; i < moduleDef.methods.size(); i++) {
MethodRegistration method = moduleDef.methods.get(i);
jg.writeObjectFieldStart(method.name);
jg.writeNumberField("methodID", i);
jg.writeStringField("type", method.method.getType());
jg.writeEndObject();
}
jg.writeEndObject();
module.target.writeConstantsField(jg, "constants");
moduleDef.target.writeConstantsField(jg, "constants");
jg.writeEndObject();
}
jg.writeEndObject();
@@ -217,7 +212,7 @@ public class NativeModuleRegistry {
} finally {
Systrace.endSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE);
}
return new NativeModuleRegistry(mModuleDefinitions, mModuleInstances, moduleDefinitionJson);
return new NativeModuleRegistry(moduleTable, moduleInstances, moduleDefinitionJson);
}
}
}