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com.abubusoft.kripton.processor.sharedprefs.BindSharedPreferencesBuilder Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2015, 2017 Francesco Benincasa ([email protected] ).
*
* 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.abubusoft.kripton.processor.sharedprefs;
import static com.abubusoft.kripton.processor.core.reflect.TypeUtility.className;
import static com.abubusoft.kripton.processor.core.reflect.TypeUtility.typeName;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.annotation.processing.Filer;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.PackageElement;
import javax.lang.model.util.Elements;
import com.abubusoft.kripton.android.KriptonLibrary;
import com.abubusoft.kripton.android.LiveDataHandler;
import com.abubusoft.kripton.android.annotation.BindSharedPreferences;
import com.abubusoft.kripton.android.sharedprefs.AbstractSharedPreference;
import com.abubusoft.kripton.common.CaseFormat;
import com.abubusoft.kripton.common.Converter;
import com.abubusoft.kripton.common.Pair;
import com.abubusoft.kripton.common.StringUtils;
import com.abubusoft.kripton.processor.KriptonLiveDataManager;
import com.abubusoft.kripton.processor.bind.BindTypeContext;
import com.abubusoft.kripton.processor.bind.JavaWriterHelper;
import com.abubusoft.kripton.processor.core.AnnotationAttributeType;
import com.abubusoft.kripton.processor.core.ImmutableUtility;
import com.abubusoft.kripton.processor.core.ManagedPropertyPersistenceHelper;
import com.abubusoft.kripton.processor.core.ManagedPropertyPersistenceHelper.PersistType;
import com.abubusoft.kripton.processor.core.ModelAnnotation;
import com.abubusoft.kripton.processor.core.ModelEntity;
import com.abubusoft.kripton.processor.core.reflect.TypeUtility;
import com.abubusoft.kripton.processor.sharedprefs.model.PrefsEntity;
import com.abubusoft.kripton.processor.sharedprefs.model.PrefsProperty;
import com.abubusoft.kripton.processor.sharedprefs.transform.PrefsTransform;
import com.abubusoft.kripton.processor.sharedprefs.transform.PrefsTransformer;
import com.abubusoft.kripton.processor.sharedprefs.transform.ReadType;
import com.abubusoft.kripton.processor.sharedprefs.transform.SetPrefsTransformation;
import com.abubusoft.kripton.processor.sqlite.core.JavadocUtility;
import com.abubusoft.kripton.processor.utils.AnnotationProcessorUtilis;
import com.squareup.javapoet.AnnotationSpec;
import com.squareup.javapoet.ClassName;
import com.squareup.javapoet.CodeBlock;
import com.squareup.javapoet.FieldSpec;
import com.squareup.javapoet.MethodSpec;
import com.squareup.javapoet.ParameterizedTypeName;
import com.squareup.javapoet.TypeName;
import com.squareup.javapoet.TypeSpec;
import com.squareup.javapoet.TypeSpec.Builder;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.preference.PreferenceManager;
import io.reactivex.subjects.BehaviorSubject;
import io.reactivex.subjects.Subject;
/**
* The Class BindSharedPreferencesBuilder.
*
* @author Francesco Benincasa ([email protected] )
*/
public abstract class BindSharedPreferencesBuilder {
/** The Constant PREFIX. */
protected static final String PREFIX = "Bind";
/** The Constant SUFFIX_SHARED_PREFERENCE. */
protected static final String SUFFIX_SHARED_PREFERENCE = "SharedPreferences";
/** The Constant SUFFIX_PREFERENCE. */
protected static final String SUFFIX_PREFERENCE = "Preferences";
/** The builder. */
protected static Builder builder;
public static String getBuildPreferenceName(ModelEntity entity) {
String beanClassName = entity.getElement().getSimpleName().toString();
String suffix;
if (beanClassName.endsWith(SUFFIX_SHARED_PREFERENCE)) {
suffix = "";
} else if (beanClassName.endsWith(SUFFIX_PREFERENCE)) {
suffix = "";
} else {
suffix = SUFFIX_SHARED_PREFERENCE;
}
String className = PREFIX + beanClassName + suffix;
return className;
}
/**
* Generate shared preference manager.
*
* @param elementUtils
* the element utils
* @param filer
* the filer
* @param entity
* the entity
* @return typeName of generated class
* @throws IOException
* Signals that an I/O exception has occurred.
*/
public static String generate(Elements elementUtils, Filer filer, PrefsEntity entity) throws IOException {
com.abubusoft.kripton.common.Converter converter = CaseFormat.UPPER_CAMEL.converterTo(CaseFormat.LOWER_CAMEL);
String beanClassName = entity.getElement().getSimpleName().toString();
String className = getBuildPreferenceName(entity);
ModelAnnotation annotation = entity.getAnnotation(BindSharedPreferences.class);
String sharedPreferenceName = annotation.getAttribute(AnnotationAttributeType.VALUE);
boolean generateRx = entity.hasRxProperties();
boolean generateLiveData = entity.hasLiveDataProperties();
PackageElement pkg = elementUtils.getPackageOf(entity.getElement());
String packageName = pkg.isUnnamed() ? "" : pkg.getQualifiedName().toString();
AnnotationProcessorUtilis.infoOnGeneratedClasses(BindSharedPreferences.class, packageName, className);
// @formatter:off
builder = TypeSpec.classBuilder(className).addModifiers(Modifier.PUBLIC)
.superclass(AbstractSharedPreference.class);
BindTypeContext context = new BindTypeContext(builder, TypeUtility.typeName(entity.getElement()),
Modifier.PRIVATE);
// @formatter:on
builder.addJavadoc("This class is the shared preference binder defined for $T\n\n", entity.getElement());
JavadocUtility.generateJavadocGeneratedBy(builder);
builder.addJavadoc("@see $T\n", entity.getElement());
if (StringUtils.hasText(sharedPreferenceName)) {
builder.addField(FieldSpec.builder(String.class, "SHARED_PREFERENCE_NAME", Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL)
.initializer("$S", converter.convert(entity.getSimpleName().toString())).addJavadoc("shared preferences typeName for $T\n", entity.getElement()).build());
}
builder.addField(FieldSpec.builder(className(beanClassName), "defaultBean", Modifier.PRIVATE, Modifier.FINAL).addJavadoc("working instance of bean\n").build());
{
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("edit").addJavadoc("create an editor to modify shared preferences\n").returns(typeName("BindEditor"))
.addModifiers(Modifier.PUBLIC);
methodBuilder.addStatement("return new $T()", typeName("BindEditor"));
builder.addMethod(methodBuilder.build());
}
generateEditor(entity);
generateCreate(sharedPreferenceName, beanClassName, generateRx, generateLiveData);
generateConstructor(entity, sharedPreferenceName, beanClassName);
generateRefresh(sharedPreferenceName, className);
generateRxSupport(sharedPreferenceName, beanClassName, generateRx, entity);
generateLiveDataSupport(sharedPreferenceName, beanClassName, generateLiveData, entity);
generateResetMethod(entity);
generateReadMethod(entity);
generateWriteMethod(entity);
generateSingleReadMethod(entity);
// generate all needed writer and reader
List fields = entity.getCollection();
List filteredFields = new ArrayList<>();
// we need to avoid generation of persists values
for (PrefsProperty item : fields) {
if (SetPrefsTransformation.isStringSet(item)) {
continue;
} else {
filteredFields.add(item);
}
}
// avoid to consider StringSet
ManagedPropertyPersistenceHelper.generateFieldPersistance(context, filteredFields, PersistType.STRING, false, Modifier.PROTECTED);
generateInstance(className);
TypeSpec typeSpec = builder.build();
JavaWriterHelper.writeJava2File(filer, packageName, typeSpec);
return className;
}
private static void generateCreate(String sharedPreferenceName, String beanClassName, boolean generateRx, boolean generateLiveData) {
MethodSpec.Builder method = MethodSpec.methodBuilder("createPrefs").addModifiers(Modifier.PRIVATE).addJavadoc("create prefs\n");
if (StringUtils.hasText(sharedPreferenceName)) {
method.addCode("// using typeName attribute of annotation @BindSharedPreferences as typeName\n");
method.addStatement("prefs=$T.getContext().getSharedPreferences(SHARED_PREFERENCE_NAME, $T.MODE_PRIVATE)", KriptonLibrary.class, Context.class);
} else {
method.addCode("// no typeName specified, using default shared preferences\n");
method.addStatement("prefs=$T.getDefaultSharedPreferences($T.getContext())", PreferenceManager.class, KriptonLibrary.class);
}
if (generateRx) {
method.addStatement("prefs.registerOnSharedPreferenceChangeListener(rxListener)");
}
if (generateLiveData) {
method.addStatement("prefs.registerOnSharedPreferenceChangeListener(liveDataListener)");
}
builder.addMethod(method.build());
}
private static void generateLiveDataSupport(String sharedPreferenceName, String beanClassName, boolean generateLiveData, PrefsEntity entity) {
if (!generateLiveData)
return;
// generate livedata collections
FieldSpec fs = FieldSpec
.builder(ParameterizedTypeName.get(ClassName.get(List.class),
ParameterizedTypeName.get(ClassName.get(Pair.class), ClassName.get(String.class),
ParameterizedTypeName.get(ClassName.get(WeakReference.class), ClassName.get(LiveDataHandler.class)))),
"liveDatas", Modifier.PRIVATE)
.initializer(CodeBlock.of("new $T<$T>>()", CopyOnWriteArrayList.class, Pair.class, LiveDataHandler.class))
.addAnnotation(AnnotationSpec.builder(SuppressWarnings.class).addMember("value", "\"rawtypes\"").build()).build();
builder.addField(fs);
{ // registryLiveData
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("registryLiveData").addModifiers(Modifier.PROTECTED).addParameter(String.class, "key")
.addParameter(ClassName.get(LiveDataHandler.class), "value").addAnnotation(AnnotationSpec.builder(SuppressWarnings.class).addMember("value", "\"rawtypes\"").build())
.addStatement("liveDatas.add(new Pair>(key, new WeakReference<$T>(value)))", LiveDataHandler.class, LiveDataHandler.class);
builder.addMethod(methodBuilder.build());
}
{ // update LiveData
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("updateLiveData").addAnnotation(AnnotationSpec.builder(SuppressWarnings.class).addMember("value", "\"rawtypes\"").build())
.addModifiers(Modifier.PROTECTED).addParameter(String.class, "key").addParameter(Object.class, "value")
.beginControlFlow("for (Pair> item : liveDatas)", LiveDataHandler.class).beginControlFlow("if (item.value0.equals(key) && item.value1.get() != null)")
.addStatement("item.value1.get().invalidate()").endControlFlow().endControlFlow();
builder.addMethod(methodBuilder.build());
}
Converter converter = CaseFormat.LOWER_CAMEL.converterTo(CaseFormat.UPPER_CAMEL);
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("onSharedPreferenceChanged").addAnnotation(Override.class).addModifiers(Modifier.PUBLIC)
.addParameter(SharedPreferences.class, "sharedPreferences", Modifier.FINAL).addParameter(String.class, "key", Modifier.FINAL);
{
// inner method run
MethodSpec.Builder runBuilder = MethodSpec.methodBuilder("run").addModifiers(Modifier.PUBLIC).addAnnotation(Override.class);
// ----
runBuilder.beginControlFlow("switch (key)");
PrefsTransform transform;
TypeName typeName;
for (PrefsProperty item : entity.getCollection()) {
if (!item.isGenerateLiveData())
continue;
if (item.hasTypeAdapter()) {
transform = PrefsTransformer.lookup(item.typeAdapter.getDataTypeTypename());
} else {
transform = PrefsTransformer.lookup(item);
}
typeName = item.getPropertyType().getTypeName();
if (TypeUtility.isTypePrimitive(typeName)) {
typeName = typeName.box();
}
generateMethodAsLiveData(converter, typeName, item);
runBuilder.addComment("$L - $L", item.getPreferenceKey(), item.getName());
runBuilder.addCode("case $S: {\n", item.getPreferenceKey());
transform.generateReadProperty(runBuilder, "sharedPreferences", typeName(item.getElement().asType()), "defaultBean", item, false, ReadType.VALUE);
runBuilder.addCode("\n");
runBuilder.addStatement("updateLiveData($S, _value)", item.getPreferenceKey());
runBuilder.addStatement("return");
runBuilder.addCode("}\n");
}
runBuilder.addStatement("default: return");
runBuilder.endControlFlow();
// ----
{ // run builder
TypeSpec innerBuilder = TypeSpec.anonymousClassBuilder("").addSuperinterface(Runnable.class).addMethod(runBuilder.build()).build();
methodBuilder.addStatement("$T.getExecutorService().execute($L)", KriptonLibrary.class, innerBuilder);
}
}
TypeSpec innerBuilder = TypeSpec.anonymousClassBuilder("").addSuperinterface(OnSharedPreferenceChangeListener.class).addMethod(methodBuilder.build()).build();
FieldSpec.Builder f = FieldSpec.builder(ClassName.get(OnSharedPreferenceChangeListener.class), "liveDataListener", Modifier.PRIVATE)
.addJavadoc("Listener used to propagate shared prefs changes through RX\n").initializer("$L", innerBuilder);
builder.addField(f.build());
}
private static void generateMethodAsLiveData(Converter converter, TypeName typeName, PrefsProperty property) {
ParameterizedTypeName liveDataType = ParameterizedTypeName.get(KriptonLiveDataManager.getInstance().getLiveDataHandlerClazz(), typeName);
String className = getBuildPreferenceName(property.getParent());
// generate compute
MethodSpec.Builder computeBuilder = MethodSpec.methodBuilder("compute").addModifiers(Modifier.PROTECTED).returns(typeName).addAnnotation(Override.class);
computeBuilder.addStatement("$L.this.refresh()", className);
computeBuilder.addStatement("return $L.this.get$L()", className, converter.convert(property.getName()));
// generate builder
TypeSpec liveDataBuilder = TypeSpec.anonymousClassBuilder("").addSuperinterface(liveDataType).addMethod(computeBuilder.build()).build();
MethodSpec ms = MethodSpec.methodBuilder("get" + converter.convert(property.getName()) + "AsLiveData").addModifiers(Modifier.PUBLIC)
.returns(ParameterizedTypeName.get(KriptonLiveDataManager.getInstance().getMutableLiveDataClazz(), typeName))
.addJavadoc("Obtains an LiveData to $L property\n\n", property.getName()).addJavadoc("@return\nan LiveData to $L property\n", property.getName())
.addStatement("$T liveData=$L", liveDataType, liveDataBuilder).addStatement("registryLiveData($S, liveData)", property.getPreferenceKey()).addStatement("return liveData.getLiveData()")
.build();
builder.addMethod(ms);
}
private static void generateRxSupport(String sharedPreferenceName, String beanClassName, boolean generateRx, PrefsEntity entity) {
if (!generateRx)
return;
Converter converter = CaseFormat.LOWER_CAMEL.converterTo(CaseFormat.UPPER_CAMEL);
com.squareup.javapoet.MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("onSharedPreferenceChanged").addAnnotation(Override.class).addModifiers(Modifier.PUBLIC)
.addParameter(SharedPreferences.class, "sharedPreferences").addParameter(String.class, "key");
methodBuilder.beginControlFlow("switch (key)");
String subjectFieldName;
PrefsTransform transform;
TypeName typeName;
for (PrefsProperty item : entity.getCollection()) {
if (!item.isGenerateRx())
continue;
if (item.hasTypeAdapter()) {
transform = PrefsTransformer.lookup(item.typeAdapter.getDataTypeTypename());
} else {
transform = PrefsTransformer.lookup(item);
}
typeName = item.getPropertyType().getTypeName();
if (TypeUtility.isTypePrimitive(typeName)) {
typeName = typeName.box();
}
// add subject fields
subjectFieldName = item.getName() + "Subject";
FieldSpec fs = FieldSpec.builder(ParameterizedTypeName.get(ClassName.get(Subject.class), typeName), subjectFieldName, Modifier.PRIVATE)
.addJavadoc("subject for field $L - shared pref $L\n", item.getName(), item.getPreferenceKey()).initializer(CodeBlock.of("$T.create()", BehaviorSubject.class)).build();
MethodSpec ms = MethodSpec.methodBuilder("get" + converter.convert(item.getName()) + "AsObservable").addModifiers(Modifier.PUBLIC)
.returns(ParameterizedTypeName.get(ClassName.get(Subject.class), typeName)).addJavadoc("Obtains an observable to $L property\n\n", item.getName())
.addJavadoc("@return\nan observable to $L property\n", item.getName()).addStatement("return $L", subjectFieldName).build();
methodBuilder.addComment("$L - $L", item.getPreferenceKey(), item.getName());
methodBuilder.addCode("case $S: {\n", item.getPreferenceKey());
transform.generateReadProperty(methodBuilder, "sharedPreferences", typeName(item.getElement().asType()), "defaultBean", item, false, ReadType.VALUE);
methodBuilder.addCode("\n");
if (!TypeUtility.isTypePrimitive(item.getPropertyType().getTypeName())) {
methodBuilder.beginControlFlow("if (_value!=null)");
}
methodBuilder.addStatement("$L.onNext(_value)", subjectFieldName);
if (!TypeUtility.isTypePrimitive(item.getPropertyType().getTypeName())) {
methodBuilder.endControlFlow();
}
methodBuilder.addStatement("return");
methodBuilder.addCode("}\n", subjectFieldName);
builder.addField(fs);
builder.addMethod(ms);
}
methodBuilder.addStatement("default: return");
methodBuilder.endControlFlow();
TypeSpec innerBuilder = TypeSpec.anonymousClassBuilder("").addSuperinterface(OnSharedPreferenceChangeListener.class).addMethod(methodBuilder.build()).build();
FieldSpec.Builder f = FieldSpec.builder(ClassName.get(OnSharedPreferenceChangeListener.class), "rxListener", Modifier.PRIVATE)
.addJavadoc("Listener used to propagate shared prefs changes through RX\n").initializer("$L", innerBuilder);
builder.addField(f.build());
}
/**
* create editor.
*
* @param entity
* the entity
*/
private static void generateEditor(PrefsEntity entity) {
com.abubusoft.kripton.common.Converter converter = CaseFormat.LOWER_CAMEL.converterTo(CaseFormat.UPPER_CAMEL);
Builder innerClassBuilder = TypeSpec.classBuilder("BindEditor").addModifiers(Modifier.PUBLIC).addJavadoc("editor class for shared preferences\n").superclass(typeName("AbstractEditor"));
innerClassBuilder.addMethod(MethodSpec.constructorBuilder().addModifiers(Modifier.PRIVATE).build());
PrefsTransform transform;
// write method
for (PrefsProperty item : entity.getCollection()) {
{ // put
MethodSpec.Builder builder = MethodSpec.methodBuilder("put" + converter.convert(item.getName())).addModifiers(Modifier.PUBLIC).addParameter(typeName(item.getElement()), "value")
.addJavadoc("modifier for property $L\n", item.getName()).returns(typeName("BindEditor"));
TypeName type;
if (item.hasTypeAdapter()) {
type = typeName(item.typeAdapter.dataType);
} else {
type = TypeUtility.typeName(item.getElement());
}
transform = PrefsTransformer.lookup(type);
transform.generateWriteProperty(builder, "editor", null, "value", item);
builder.addCode("\n");
builder.addStatement("return this");
innerClassBuilder.addMethod(builder.build());
}
{ // remove
MethodSpec.Builder builder = MethodSpec.methodBuilder("remove" + converter.convert(item.getName())).addModifiers(Modifier.PUBLIC).addJavadoc("remove property $L\n", item.getName())
.returns(typeName("BindEditor"));
builder.addStatement("editor.remove($S)", item.getPreferenceKey());
builder.addStatement("return this");
innerClassBuilder.addMethod(builder.build());
}
}
{ // clear
MethodSpec.Builder builder = MethodSpec.methodBuilder("clear").addModifiers(Modifier.PUBLIC).addJavadoc("clear all properties\n").returns(typeName("BindEditor"));
builder.addStatement("editor.clear()");
builder.addStatement("return this");
innerClassBuilder.addMethod(builder.build());
}
builder.addType(innerClassBuilder.build());
}
/**
* Generate instance of shared preferences.
*
* @param className
* the class name
*/
private static void generateInstance(String className) {
builder.addField(FieldSpec.builder(className(className), "instance", Modifier.PRIVATE, Modifier.STATIC).addJavadoc("instance of shared preferences\n").build());
// instance
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("getInstance").addModifiers(Modifier.PUBLIC, Modifier.STATIC, Modifier.SYNCHRONIZED)
.addJavadoc("get instance of shared preferences\n").returns(className(className));
methodBuilder.beginControlFlow("if (instance==null)");
methodBuilder.addStatement("instance=new $L()", className(className));
methodBuilder.addComment("read and write instance to sync with default values");
methodBuilder.addStatement("instance.write(instance.read())");
methodBuilder.endControlFlow();
methodBuilder.addCode("return instance;\n");
builder.addMethod(methodBuilder.build());
}
/**
* Generate constructor.
*
* @param entity
*
* @param sharedPreferenceName
* the shared preference name
* @param beanClassName
* the bean class name
*/
private static void generateConstructor(PrefsEntity entity, String sharedPreferenceName, String beanClassName) {
MethodSpec.Builder method = MethodSpec.constructorBuilder().addModifiers(Modifier.PRIVATE).addJavadoc("constructor\n");
method.addStatement("createPrefs()");
if (entity.isImmutablePojo()) {
ImmutableUtility.generateImmutableVariableInit(entity, method);
ImmutableUtility.generateImmutableEntityCreation(entity, method, "defaultBean", false);
} else {
method.addStatement("defaultBean=new $T()", className(beanClassName));
}
builder.addMethod(method.build());
}
/**
* Generate refresh.
*
* @param sharedPreferenceName
* the shared preference name
* @param className
* the class name
*/
private static void generateRefresh(String sharedPreferenceName, String className) {
MethodSpec.Builder method = MethodSpec.methodBuilder("refresh").addModifiers(Modifier.PUBLIC).addJavadoc("force to refresh values\n").returns(className(className));
method.addStatement("createPrefs()");
method.addStatement("return this");
builder.addMethod(method.build());
}
/**
* Generate reset method.
*
* @param entity
* the entity
*/
private static void generateResetMethod(PrefsEntity entity) {
// write method
MethodSpec.Builder method = MethodSpec.methodBuilder("reset").addModifiers(Modifier.PUBLIC).addJavadoc("reset shared preferences\n").returns(Void.TYPE);
if (entity.isImmutablePojo()) {
ImmutableUtility.generateImmutableVariableInit(entity, method);
ImmutableUtility.generateImmutableEntityCreation(entity, method, "bean", true);
} else {
method.addStatement("$T bean=new $T()", entity.getElement(), entity.getElement());
}
method.addStatement("write(bean)");
builder.addMethod(method.build());
}
/**
* Generate write method.
*
* @param entity
* the entity
*/
private static void generateWriteMethod(PrefsEntity entity) {
// write method
MethodSpec.Builder method = MethodSpec.methodBuilder("write").addJavadoc("write bean entirely\n\n").addJavadoc("@param bean bean to entirely write\n").addModifiers(Modifier.PUBLIC)
.addParameter(typeName(entity.getName()), "bean").returns(Void.TYPE);
method.addStatement("$T editor=prefs.edit()", SharedPreferences.Editor.class);
PrefsTransform transform;
for (PrefsProperty item : entity.getCollection()) {
if (item.hasTypeAdapter()) {
transform = PrefsTransformer.lookup(item.typeAdapter.getDataTypeTypename());
} else {
transform = PrefsTransformer.lookup(item);
}
transform.generateWriteProperty(method, "editor", typeName(entity.getElement()), "bean", item);
method.addCode("\n");
}
method.addCode("\n");
method.addStatement("editor.commit()");
builder.addMethod(method.build());
}
/**
* Generate read method.
*
* @param entity
* the entity
*/
private static void generateReadMethod(PrefsEntity entity) {
// read method
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("read").addModifiers(Modifier.PUBLIC).addJavadoc("read bean entirely\n\n").addJavadoc("@return read bean\n")
.returns(typeName(entity.getName()));
// immutable management
if (entity.isImmutablePojo()) {
methodBuilder.addCode("\n");
methodBuilder.addComment("initialize temporary variable for immutable POJO");
ImmutableUtility.generateImmutableVariableInit(entity, methodBuilder);
} else {
methodBuilder.addStatement("$T bean=new $T()", typeName(entity.getName()), typeName(entity.getName()));
}
PrefsTransform transform;
for (PrefsProperty item : entity.getCollection()) {
if (item.hasTypeAdapter()) {
transform = PrefsTransformer.lookup(item.typeAdapter.getDataTypeTypename());
} else {
transform = PrefsTransformer.lookup(item);
}
if (entity.isImmutablePojo()) {
transform.generateReadProperty(methodBuilder, "prefs", typeName(item.getElement().asType()), null, item, true, ReadType.NONE);
} else {
transform.generateReadProperty(methodBuilder, "prefs", typeName(item.getElement().asType()), "bean", item, true, ReadType.NONE);
}
methodBuilder.addCode("\n");
}
// immutable management
if (entity.isImmutablePojo()) {
methodBuilder.addComment("reset temporary variable for immutable POJO");
ImmutableUtility.generateImmutableEntityCreation(entity, methodBuilder, "bean", true);
}
methodBuilder.addCode("\n");
methodBuilder.addStatement("return bean");
builder.addMethod(methodBuilder.build());
}
/**
* Generate single read method.
*
* @param entity
* the entity
*/
private static void generateSingleReadMethod(PrefsEntity entity) {
// read method
PrefsTransform transform;
Converter converter = CaseFormat.LOWER_CAMEL.converterTo(CaseFormat.UPPER_CAMEL);
for (PrefsProperty item : entity.getCollection()) {
MethodSpec.Builder methodBuilder = MethodSpec.methodBuilder("get" + converter.convert(item.getName())).addModifiers(Modifier.PUBLIC)
.addJavadoc("reads property $L from shared pref with key $L\n\n", item.getName(), item.getPreferenceKey())
.addJavadoc("@return property $L value\n", item.getName()).returns(item.getPropertyType().getTypeName());
if (item.hasTypeAdapter()) {
transform = PrefsTransformer.lookup(item.typeAdapter.getDataTypeTypename());
} else {
transform = PrefsTransformer.lookup(item);
}
transform.generateReadProperty(methodBuilder, "prefs", typeName(item.getElement().asType()), "defaultBean", item, false, ReadType.RETURN);
builder.addMethod(methodBuilder.build());
}
}
}
