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Copyright (C) 2010-2011 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 com.googlecode.androidannotations.processing;
 
 import static com.sun.codemodel.JExpr.FALSE;
 import static com.sun.codemodel.JExpr.TRUE;
 import static com.sun.codemodel.JExpr._super;
 import static com.sun.codemodel.JExpr.invoke;
 
 import java.util.List;
 
 

Author(s):
Pierre-Yves Ricau
 
 public class OptionsItemProcessor extends MultipleResIdsBasedProcessor implements ElementProcessor {
 
 	public OptionsItemProcessor(IRClass rClass) {
 		super(rClass);
 	}
 
 	public Class<? extends AnnotationgetTarget() {
 		return OptionsItem.class;
 	}
 
 	public void process(Element elementJCodeModel codeModelEBeansHolder activitiesHolder) {
 		EBeanHolder holder = activitiesHolder.getEnclosingActivityHolder(element);
 
 		String methodName = element.getSimpleName().toString();
 
 		ExecutableElement executableElement = (ExecutableElementelement;
 		List<? extends VariableElementparameters = executableElement.getParameters();
 		TypeMirror returnType = executableElement.getReturnType();
 		boolean returnMethodResult = returnType.getKind() != .;
 
 		boolean hasItemParameter = parameters.size() == 1;
 
 		OptionsItem annotation = element.getAnnotation(OptionsItem.class);
 		List<JFieldRefidsRefs = extractQualifiedIds(elementannotation.value(), "Selected"holder);
 
 		if (holder.onOptionsItemSelectedSwitch == null) {
 			JMethod method = holder.eBean.method(.codeModel.BOOLEAN"onOptionsItemSelected");
 			method.annotate(Override.class);
 			holder.onOptionsItemSelectedItem = method.param(holder.refClass("android.view.MenuItem"), "item");
 
 			JBlock body = method.body();
 			JVar handled = body.decl(codeModel.BOOLEAN"handled"invoke(_super(), method).arg(holder.onOptionsItemSelectedItem));
 
 			body._if(handled)._then()._return();
 
 			holder.onOptionsItemSelectedSwitch = body._switch(holder.onOptionsItemSelectedItem.invoke("getItemId"));
 
 			JBlock defaultBody = holder.onOptionsItemSelectedSwitch._default().body();
 			defaultBody._return();
 		}
 
 		JCase itemCase = null;
 		for (JFieldRef idRef : idsRefs) {
 			itemCase = holder.onOptionsItemSelectedSwitch._case(idRef);
 		}
 
 		JBlock itemCaseBody = itemCase.body();
 		JInvocation methodCall = invoke(methodName);
 
 		if (returnMethodResult) {
 			itemCaseBody._return(methodCall);
 		} else {
			itemCaseBody.add(methodCall);
			itemCaseBody._return();
		}
		if (hasItemParameter) {
			methodCall.arg(holder.onOptionsItemSelectedItem);
		}
	}
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