| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package com.taobao.weex.ui; |
| |
| import android.util.Pair; |
| |
| import com.taobao.weex.WXEnvironment; |
| import com.taobao.weex.WXSDKInstance; |
| import com.taobao.weex.annotation.JSMethod; |
| import com.taobao.weex.bridge.Invoker; |
| import com.taobao.weex.bridge.MethodInvoker; |
| import com.taobao.weex.annotation.Component; |
| import com.taobao.weex.common.WXRuntimeException; |
| import com.taobao.weex.dom.WXDomObject; |
| import com.taobao.weex.ui.component.WXComponent; |
| import com.taobao.weex.ui.component.WXComponentProp; |
| import com.taobao.weex.ui.component.WXVContainer; |
| import com.taobao.weex.utils.WXLogUtils; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * Created by sospartan on 6/12/16. |
| */ |
| public class SimpleComponentHolder implements IFComponentHolder{ |
| public static final String TAG = "SimpleComponentHolder"; |
| private final Class<? extends WXComponent> mClz; |
| private Map<String, Invoker> mPropertyInvokers; |
| private Map<String, Invoker> mMethodInvokers; |
| private ComponentCreator mCreator; |
| |
| static class ClazzComponentCreator implements ComponentCreator{ |
| |
| private Constructor<? extends WXComponent> mConstructor; |
| private final Class<? extends WXComponent> mCompClz; |
| |
| ClazzComponentCreator(Class<? extends WXComponent> c){ |
| mCompClz = c; |
| } |
| |
| private void loadConstructor(){ |
| Class<? extends WXComponent> c = mCompClz; |
| Constructor<? extends WXComponent> constructor; |
| try { |
| constructor = c.getConstructor(WXSDKInstance.class, WXDomObject.class, WXVContainer.class); |
| } catch (NoSuchMethodException e) { |
| WXLogUtils.d("ClazzComponentCreator","Use deprecated component constructor"); |
| try { |
| //compatible deprecated constructor with 4 args |
| constructor = c.getConstructor(WXSDKInstance.class, WXDomObject.class, WXVContainer.class, boolean.class); |
| } catch (NoSuchMethodException e1) { |
| try { |
| //compatible deprecated constructor with 5 args |
| constructor = c.getConstructor(WXSDKInstance.class, WXDomObject.class, WXVContainer.class,String.class, boolean.class); |
| } catch (NoSuchMethodException e2) { |
| throw new WXRuntimeException("Can't find constructor of component."); |
| } |
| } |
| } |
| mConstructor = constructor; |
| } |
| |
| @Override |
| public WXComponent createInstance(WXSDKInstance instance, WXDomObject node, WXVContainer parent) throws IllegalAccessException, InvocationTargetException, InstantiationException { |
| if(mConstructor == null){ |
| loadConstructor(); |
| } |
| int parameters = mConstructor.getParameterTypes().length; |
| WXComponent component; |
| |
| if(parameters == 3){ |
| component = mConstructor.newInstance(instance,node,parent); |
| }else if(parameters == 4){ |
| component = mConstructor.newInstance(instance,node,parent,false); |
| }else{ |
| //compatible deprecated constructor |
| component = mConstructor.newInstance(instance,node,parent,instance.getInstanceId(),parent.isLazy()); |
| } |
| return component; |
| } |
| } |
| |
| public SimpleComponentHolder(Class<? extends WXComponent> clz) { |
| this(clz,new ClazzComponentCreator(clz)); |
| } |
| |
| public SimpleComponentHolder(Class<? extends WXComponent> clz,ComponentCreator customCreator) { |
| this.mClz = clz; |
| this.mCreator = customCreator; |
| } |
| |
| @Override |
| public void loadIfNonLazy() { |
| Annotation[] annotations = mClz.getDeclaredAnnotations(); |
| for (Annotation annotation : |
| annotations) { |
| if (annotation instanceof Component){ |
| if(!((Component) annotation).lazyload() && mMethodInvokers == null){ |
| generate(); |
| } |
| return; |
| } |
| } |
| } |
| |
| private synchronized void generate(){ |
| if(WXEnvironment.isApkDebugable()) { |
| WXLogUtils.d(TAG, "Generate Component:" + mClz.getSimpleName()); |
| } |
| |
| Pair<Map<String, Invoker>, Map<String, Invoker>> methodPair = getMethods(mClz); |
| mPropertyInvokers = methodPair.first; |
| mMethodInvokers = methodPair.second; |
| } |
| |
| static Pair<Map<String,Invoker>,Map<String,Invoker>> getMethods(Class clz){ |
| Map<String, Invoker> methods = new HashMap<>(); |
| Map<String, Invoker> mInvokers = new HashMap<>(); |
| |
| Annotation[] annotations; |
| Annotation anno; |
| try { |
| for (Method method : clz.getMethods()) { |
| try { |
| annotations = method.getDeclaredAnnotations(); |
| for (int i = 0, annotationsCount = annotations.length; |
| i < annotationsCount; ++i) { |
| anno = annotations[i]; |
| if(anno == null){ |
| continue; |
| } |
| if (anno instanceof WXComponentProp) { |
| String name = ((WXComponentProp) anno).name(); |
| methods.put(name, new MethodInvoker(method,true)); |
| break; |
| }else if(anno instanceof JSMethod){ |
| JSMethod methodAnno = (JSMethod)anno; |
| String name = methodAnno.alias(); |
| if(JSMethod.NOT_SET.equals(name)){ |
| name = method.getName(); |
| } |
| mInvokers.put(name, new MethodInvoker(method,methodAnno.uiThread())); |
| break; |
| } |
| } |
| } catch (ArrayIndexOutOfBoundsException | IncompatibleClassChangeError e) { |
| //ignore: getDeclaredAnnotations may throw this |
| } |
| } |
| }catch (IndexOutOfBoundsException e){ |
| e.printStackTrace(); |
| //ignore: getMethods may throw this |
| } |
| return new Pair<>(methods,mInvokers); |
| } |
| |
| |
| |
| @Override |
| public synchronized WXComponent createInstance(WXSDKInstance instance, WXDomObject node, WXVContainer parent) throws IllegalAccessException, InvocationTargetException, InstantiationException { |
| WXComponent component = mCreator.createInstance(instance,node,parent); |
| |
| component.bindHolder(this); |
| return component; |
| } |
| |
| @Override |
| public synchronized Invoker getPropertyInvoker(String name){ |
| if (mPropertyInvokers == null) { |
| generate(); |
| } |
| |
| return mPropertyInvokers.get(name); |
| } |
| |
| @Override |
| public Invoker getMethodInvoker(String name) { |
| if(mMethodInvokers == null){ |
| generate(); |
| } |
| return mMethodInvokers.get(name); |
| } |
| |
| @Override |
| public String[] getMethods() { |
| if(mMethodInvokers == null){ |
| generate(); |
| } |
| Set<String> keys = mMethodInvokers.keySet(); |
| return keys.toArray(new String[keys.size()]); |
| } |
| |
| } |