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Copy pathInstanceStateProcessor.java
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166 lines (120 loc) · 5.96 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 static com.sun.codemodel.JExpr._null;
import static com.sun.codemodel.JExpr.ref;
import static com.sun.codemodel.JMod.PRIVATE;
import static com.sun.codemodel.JMod.PUBLIC;
import static org.androidannotations.helper.CanonicalNameConstants.BUNDLE;
import static org.androidannotations.helper.CanonicalNameConstants.CHAR_SEQUENCE;
import static org.androidannotations.helper.CanonicalNameConstants.STRING;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import org.androidannotations.annotations.InstanceState;
import org.androidannotations.helper.APTCodeModelHelper;
import org.androidannotations.helper.AnnotationHelper;
import org.androidannotations.helper.BundleHelper;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JVar;
public class InstanceStateProcessor implements DecoratingElementProcessor {
private static final String BUNDLE_PARAM_NAME = "bundle";
public static final Map<String, String> methodSuffixNameByTypeName = new HashMap<String, String>();
static {
methodSuffixNameByTypeName.put(BUNDLE, "Bundle");
methodSuffixNameByTypeName.put("boolean", "Boolean");
methodSuffixNameByTypeName.put("boolean[]", "BooleanArray");
methodSuffixNameByTypeName.put("byte", "Byte");
methodSuffixNameByTypeName.put("byte[]", "ByteArray");
methodSuffixNameByTypeName.put("char", "Char");
methodSuffixNameByTypeName.put("char[]", "CharArray");
methodSuffixNameByTypeName.put(CHAR_SEQUENCE, "CharSequence");
methodSuffixNameByTypeName.put("double", "Double");
methodSuffixNameByTypeName.put("double[]", "DoubleArray");
methodSuffixNameByTypeName.put("float", "Float");
methodSuffixNameByTypeName.put("float[]", "FloatArray");
methodSuffixNameByTypeName.put("int", "Int");
methodSuffixNameByTypeName.put("int[]", "IntArray");
methodSuffixNameByTypeName.put("java.util.ArrayList<java.lang.Integer>", "IntegerArrayList");
methodSuffixNameByTypeName.put("long", "Long");
methodSuffixNameByTypeName.put("long[]", "LongArray");
methodSuffixNameByTypeName.put("short", "Short");
methodSuffixNameByTypeName.put("short[]", "ShortArray");
methodSuffixNameByTypeName.put(STRING, "String");
methodSuffixNameByTypeName.put("java.lang.String[]", "StringArray");
methodSuffixNameByTypeName.put("java.util.ArrayList<java.lang.String>", "StringArrayList");
}
private final APTCodeModelHelper helper = new APTCodeModelHelper();
private AnnotationHelper annotationHelper;
public InstanceStateProcessor(ProcessingEnvironment processingEnv) {
annotationHelper = new AnnotationHelper(processingEnv);
}
@Override
public String getTarget() {
return InstanceState.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
String fieldName = element.getSimpleName().toString();
JBlock saveStateBody = getSaveStateMethodBody(codeModel, holder);
JBlock restoreStateBody = getRestoreStateBody(codeModel, holder);
BundleHelper bundleHelper = new BundleHelper(annotationHelper, element);
JFieldRef ref = ref(fieldName);
saveStateBody.invoke(ref(BUNDLE_PARAM_NAME), bundleHelper.getMethodNameToSave()).arg(fieldName).arg(ref);
JInvocation restoreMethodCall = JExpr.invoke(ref("savedInstanceState"), bundleHelper.getMethodNameToRestore()).arg(fieldName);
if (bundleHelper.restoreCallNeedCastStatement()) {
JClass jclass = helper.typeMirrorToJClass(element.asType(), holder);
JExpression castStatement = JExpr.cast(jclass, restoreMethodCall);
restoreStateBody.assign(ref, castStatement);
if (bundleHelper.restoreCallNeedsSuppressWarning()) {
if (holder.restoreSavedInstanceStateMethod.annotations().size() == 0) {
holder.restoreSavedInstanceStateMethod.annotate(SuppressWarnings.class).param("value", "unchecked");
}
}
} else {
restoreStateBody.assign(ref, restoreMethodCall);
}
}
private JBlock getRestoreStateBody(JCodeModel codeModel, EBeanHolder holder) {
if (holder.restoreSavedInstanceStateMethod == null) {
holder.restoreSavedInstanceStateMethod = holder.generatedClass.method(PRIVATE, codeModel.VOID, "restoreSavedInstanceState_");
JVar savedInstanceState = holder.restoreSavedInstanceStateMethod.param(holder.classes().BUNDLE, "savedInstanceState");
holder.initIfActivityBody.invoke(holder.restoreSavedInstanceStateMethod).arg(savedInstanceState);
holder.restoreSavedInstanceStateMethod.body() //
._if(ref("savedInstanceState").eq(_null())) //
._then()._return();
}
return holder.restoreSavedInstanceStateMethod.body();
}
private JBlock getSaveStateMethodBody(JCodeModel codeModel, EBeanHolder holder) {
if (holder.saveInstanceStateBlock == null) {
JMethod method = holder.generatedClass.method(PUBLIC, codeModel.VOID, "onSaveInstanceState");
method.annotate(Override.class);
method.param(holder.classes().BUNDLE, BUNDLE_PARAM_NAME);
holder.saveInstanceStateBlock = method.body();
holder.saveInstanceStateBlock.invoke(JExpr._super(), "onSaveInstanceState").arg(JExpr.ref(BUNDLE_PARAM_NAME));
}
return holder.saveInstanceStateBlock;
}
}