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138 lines (104 loc) · 4.87 KB
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/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* Licensed 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 org.androidannotations.processing;
import java.util.List;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import org.androidannotations.annotations.OnActivityResult;
import org.androidannotations.helper.APTCodeModelHelper;
import org.androidannotations.helper.CanonicalNameConstants;
import org.androidannotations.rclass.IRClass;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JCase;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JMod;
import com.sun.codemodel.JSwitch;
import com.sun.codemodel.JVar;
/**
*/
public class OnActivityResultProcessor implements DecoratingElementProcessor {
private APTCodeModelHelper codeModelHelper;
public OnActivityResultProcessor(ProcessingEnvironment processingEnv, IRClass rClass) {
codeModelHelper = new APTCodeModelHelper();
}
@Override
public String getTarget() {
return OnActivityResult.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
String methodName = element.getSimpleName().toString();
ExecutableElement executableElement = (ExecutableElement) element;
List<? extends VariableElement> parameters = executableElement.getParameters();
int intentParameterPosition = -1;
int resultCodeParameterPosition = -1;
for (int i = 0; i < parameters.size(); i++) {
VariableElement parameter = parameters.get(i);
TypeMirror parameterType = parameter.asType();
if (CanonicalNameConstants.INTENT.equals(parameterType.toString())) {
intentParameterPosition = i;
} else if (parameterType.getKind().equals(TypeKind.INT) //
|| CanonicalNameConstants.INTEGER.equals(parameterType.toString())) {
resultCodeParameterPosition = i;
}
}
int requestCode = executableElement.getAnnotation(OnActivityResult.class).value();
JBlock onActivityResultCase = getOrCreateOnActivityResultMethodBody(codeModel, holder, requestCode);
JExpression activityRef = holder.generatedClass.staticRef("this");
JInvocation onResultInvocation = onActivityResultCase.invoke(activityRef, methodName);
for (int i = 0; i < parameters.size(); i++) {
if (i == intentParameterPosition) {
JVar intentParameter = codeModelHelper.findParameterByName(holder.onActivityResultMethod, "data");
onResultInvocation.arg(intentParameter);
} else if (i == resultCodeParameterPosition) {
JVar resultCodeParameter = codeModelHelper.findParameterByName(holder.onActivityResultMethod, "resultCode");
onResultInvocation.arg(resultCodeParameter);
}
}
}
public JBlock getOrCreateOnActivityResultMethodBody(JCodeModel codeModel, EBeanHolder holder, int requestCode) {
JClass intentClass = holder.classes().INTENT;
if (holder.onActivityResultSwitch == null) {
JMethod onActivityResultMethod = holder.generatedClass.method(JMod.PUBLIC, codeModel.VOID, "onActivityResult");
JVar requestCodeParam = onActivityResultMethod.param(codeModel.INT, "requestCode");
onActivityResultMethod.param(codeModel.INT, "resultCode");
onActivityResultMethod.param(intentClass, "data");
onActivityResultMethod.annotate(Override.class);
holder.onActivityResultMethod = onActivityResultMethod;
JBlock onActivityResultMethodBody = onActivityResultMethod.body();
codeModelHelper.callSuperMethod(onActivityResultMethod, holder, onActivityResultMethodBody);
holder.onActivityResultSwitch = onActivityResultMethodBody._switch(requestCodeParam);
}
JSwitch onActivityResultSwitch = holder.onActivityResultSwitch;
JBlock onActivityResultCaseBlock = holder.onActivityResultCases.get(requestCode);
if (onActivityResultCaseBlock == null) {
JCase onActivityResultCase = onActivityResultSwitch._case(JExpr.lit(requestCode));
onActivityResultCaseBlock = onActivityResultCase.body().block();
onActivityResultCase.body()._break();
holder.onActivityResultCases.put(requestCode, onActivityResultCaseBlock);
}
return onActivityResultCaseBlock;
}
}