org.joda.beans.gen.PropertyGen Maven / Gradle / Ivy
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/*
* Copyright 2001-present Stephen Colebourne
*
* 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.joda.beans.gen;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.joda.beans.MetaProperty;
import org.joda.beans.Property;
import org.joda.beans.impl.direct.DirectMetaProperty;
/**
* A property parsed from the source file.
*/
class PropertyGen {
/** The data model of the property. */
private final PropertyData data;
/**
* Constructor.
* @param propData the property data
*/
PropertyGen(PropertyData propData) {
this.data = propData;
}
//-----------------------------------------------------------------------
List generateConstructorAssign(String fromBean) {
return data.getCopyGen().generateCopyToImmutable("\t\t", fromBean, data);
}
//-----------------------------------------------------------------------
List generateMetaPropertyConstant() {
data.getBean().ensureImport(MetaProperty.class);
data.getBean().ensureImport(DirectMetaProperty.class);
List list = new ArrayList<>();
list.add("\t\t/**");
list.add("\t\t * The meta-property for the {@code " + data.getPropertyName() + "} property.");
list.add("\t\t */");
if (data.isBeanGenericType()) {
list.add("\t\t@SuppressWarnings({\"unchecked\", \"rawtypes\" })");
list.add("\t\tprivate final MetaProperty<" + propertyType() + "> " + data.getMetaFieldName() +
" = (DirectMetaProperty) DirectMetaProperty.of" + readWrite() + "(");
list.add("\t\t\t\tthis, \"" + data.getPropertyName() + "\", " +
data.getBean().getTypeRaw() + ".class, " + actualType() + ");");
} else {
String propertyType = propertyType();
if (propertyType.length() == 1) {
propertyType = "Object";
}
if (data.isGenericParamType()) {
list.add("\t\t@SuppressWarnings({\"unchecked\", \"rawtypes\" })");
}
list.add("\t\tprivate final MetaProperty<" + propertyType + "> " + data.getMetaFieldName() +
" = DirectMetaProperty.of" + readWrite() + "(");
list.add("\t\t\t\tthis, \"" + data.getPropertyName() + "\", " +
data.getBean().getTypeRaw() + ".class, " + actualType() + ");");
}
return list;
}
List generateMetaPropertyGetCase() {
List list = new ArrayList<>();
list.add("\t\t\t\tcase " + data.getPropertyName().hashCode() + ": // " + data.getPropertyName());
if (data.getAlias() != null) {
list.add("\t\t\t\tcase " + data.getAlias().hashCode() + ": // " + data.getAlias() + " (alias)");
}
list.add("\t\t\t\t\treturn " + data.getMetaFieldName() + ";");
return list;
}
List generateGetter() {
return data.getGetterGen().generateGetter(data);
}
List generateSetter() {
return data.getSetterGen().generateSetter("\t", data);
}
List generateProperty() {
data.getBean().ensureImport(Property.class);
List list = new ArrayList<>();
list.add("\t/**");
list.add("\t * Gets the the {@code " + data.getPropertyName() + "} property.");
for (String comment : data.getComments()) {
list.add("\t * " + comment);
}
list.add("\t * @return the property, not null");
if (data.getDeprecatedComment() != null) {
list.add("\t * " + data.getDeprecatedComment());
}
list.add("\t */");
if (data.isDeprecated()) {
list.add("\t@Deprecated");
}
list.add("\tpublic " + (data.getBean().isTypeFinal() ? "" : "final ") + "Property<" + propertyType() + "> " + data.getPropertyName() + "() {");
list.add("\t\treturn metaBean()." + data.getPropertyName() + "().createProperty(this);");
list.add("\t}");
list.add("");
return list;
}
List generateMetaProperty() {
List list = new ArrayList<>();
String propertyType = propertyType();
list.add("\t\t/**");
list.add("\t\t * The meta-property for the {@code " + data.getPropertyName() + "} property.");
list.add("\t\t * @return the meta-property, not null");
if (data.getDeprecatedComment() != null) {
list.add("\t\t * " + data.getDeprecatedComment());
}
list.add("\t\t */");
if (data.isDeprecated()) {
list.add("\t\t@Deprecated");
}
list.add("\t\tpublic " + (data.getBean().isTypeFinal() ? "" : "final ") + "MetaProperty<" + propertyType + "> " + data.getPropertyName() + "() {");
list.add("\t\t\treturn " + data.getMetaFieldName() + ";");
list.add("\t\t}");
list.add("");
return list;
}
List generatePropertyGetCase() {
List list = new ArrayList<>();
list.add("\t\t\t\tcase " + data.getPropertyName().hashCode() + ": // " + data.getPropertyName());
if (data.getAlias() != null) {
list.add("\t\t\t\tcase " + data.getAlias().hashCode() + ": // " + data.getAlias() + " (alias)");
}
if (data.getStyle().isReadable()) {
list.add("\t\t\t\t\treturn ((" + data.getBean().getTypeWildcard() + ") bean)." + data.getGetterGen().generateGetInvoke(data) + ";");
} else {
list.add("\t\t\t\t\tif (quiet) {");
list.add("\t\t\t\t\t\treturn null;");
list.add("\t\t\t\t\t}");
list.add("\t\t\t\t\tthrow new UnsupportedOperationException(\"Property cannot be read: " + data.getPropertyName() + "\");");
}
return list;
}
List generatePropertySetCase() {
List list = new ArrayList<>();
list.add("\t\t\t\tcase " + data.getPropertyName().hashCode() + ": // " + data.getPropertyName());
if (data.getAlias() != null) {
list.add("\t\t\t\tcase " + data.getAlias().hashCode() + ": // " + data.getAlias() + " (alias)");
}
String setter = data.getSetterGen().generateSetInvoke(data, castObject() + "newValue");
if (data.getStyle().isWritable() && setter != null) {
list.add("\t\t\t\t\t((" + data.getBean().getTypeNoExtends() + ") bean)." + setter + ";");
list.add("\t\t\t\t\treturn;");
} else {
list.add("\t\t\t\t\tif (quiet) {");
list.add("\t\t\t\t\t\treturn;");
list.add("\t\t\t\t\t}");
list.add("\t\t\t\t\tthrow new UnsupportedOperationException(\"Property cannot be written: " + data.getPropertyName() + "\");");
}
return list;
}
String generateLambdaGetter() {
return "b -> b." + data.getGetterGen().generateGetInvoke(data);
}
String generateLambdaSetter() {
String propType = propertyType(data.getTypeBeanErased());
String cast = propType.equals("Object") ? "" : "(" + propType + ") ";
return "(b, v) -> b." + data.getSetterGen().generateSetInvoke(data, cast + "v");
}
//-----------------------------------------------------------------------
boolean isSpecialInit() {
return data.getBuilderGen().isSpecialInit(data);
}
String generateInit() {
return data.getBuilderGen().generateInit(data);
}
List generateBuilderField() {
return data.getBuilderGen().generateField("\t\t", data);
}
List generateBuilderConstructorAssign(String beanToCopyFrom) {
return data.getCopyGen().generateCopyToMutable("\t\t\t", data, beanToCopyFrom);
}
List generateBuilderFieldGet() {
List list = new ArrayList<>();
list.add("\t\t\t\tcase " + data.getPropertyName().hashCode() + ": // " + data.getPropertyName());
if (data.getAlias() != null) {
list.add("\t\t\t\tcase " + data.getAlias().hashCode() + ": // " + data.getAlias() + " (alias)");
}
list.add("\t\t\t\t\treturn " + generateBuilderFieldName() + ";");
return list;
}
List generateBuilderFieldSet() {
List list = new ArrayList<>();
list.add("\t\t\t\tcase " + data.getPropertyName().hashCode() + ": // " + data.getPropertyName());
if (data.getAlias() != null) {
list.add("\t\t\t\tcase " + data.getAlias().hashCode() + ": // " + data.getAlias() + " (alias)");
}
list.add("\t\t\t\t\tthis." + generateBuilderFieldName() + " = (" + propertyType(getBuilderType()) + ") newValue;");
list.add("\t\t\t\t\tbreak;");
return list;
}
String generateBuilderFieldName() {
return data.getFieldName();
}
List generateBuilderSetMethod() {
List list = new ArrayList<>();
list.add("\t\t/**");
list.add("\t\t * Sets " + data.getFirstComment());
for (String comment : data.getComments()) {
list.add("\t\t * " + comment);
}
list.add("\t\t * @param " + data.getPropertyName() + " the new value" + data.getNotNullJavadoc());
list.add("\t\t * @return this, for chaining, not null");
if (data.getDeprecatedComment() != null) {
list.add("\t\t * " + data.getDeprecatedComment());
}
list.add("\t\t */");
if (data.isDeprecated()) {
list.add("\t\t@Deprecated");
}
String builderType = getBuilderType();
if (builderType.endsWith("[]") && !builderType.endsWith("[][]") && !builderType.equals("byte[]")) {
list.add("\t\tpublic Builder" + data.getBean().getTypeGenericName(true) + " " + data.getPropertyName() +
"(" + builderType.substring(0, builderType.length() - 2) + "... " + data.getPropertyName() + ") {");
} else {
list.add("\t\tpublic Builder" + data.getBean().getTypeGenericName(true) + " " + data.getPropertyName() +
"(" + builderType + " " + data.getPropertyName() + ") {");
}
if (data.isValidated()) {
list.add("\t\t\t" + data.getValidationMethodName() + "(" + data.getPropertyName() + ", \"" + data.getPropertyName() + "\");");
}
list.add("\t\t\tthis." + generateBuilderFieldName() + " = " + data.getPropertyName() + ";");
list.add("\t\t\treturn this;");
list.add("\t\t}");
list.add("");
generateBuilderSetCollectionMethod(list);
return list;
}
String getBuilderType() {
return data.getBuilderGen().generateType(data);
}
private void generateBuilderSetCollectionMethod(List list) {
String code = data.getVarArgsCode();
if (code == null) {
return;
}
String argType = data.getTypeGenericsSimple();
if (argType.equals("?")) {
argType = "Object";
}
if (argType.startsWith("? extends ")) {
argType = argType.substring(10);
}
boolean safeVarargs = argType.length() == 1 || argType.contains("<");
// generate based on varargs
list.add("\t\t/**");
list.add("\t\t * Sets the {@code " + data.getPropertyName() + "} property in the builder");
list.add("\t\t * from an array of objects.");
list.add("\t\t * @param " + data.getPropertyName() + " the new value" + data.getNotNullJavadoc());
list.add("\t\t * @return this, for chaining, not null");
if (data.getDeprecatedComment() != null) {
list.add("\t\t * " + data.getDeprecatedComment());
}
list.add("\t\t */");
if (data.isDeprecated()) {
list.add("\t\t@Deprecated");
}
if (safeVarargs) {
list.add("\t\t@SafeVarargs");
}
list.add("\t\tpublic " + (safeVarargs ? "final " : "") +
"Builder" + data.getBean().getTypeGenericName(true) + " " + data.getPropertyName() +
"(" + argType + "... " + data.getPropertyName() + ") {");
if (code.contains("Arrays.asList")) {
data.getBean().ensureImport(Arrays.class);
}
code = code.replace("$value", data.getPropertyName());
code = code.replace("<>", data.getTypeGenerics());
list.add("\t\t\treturn " + data.getPropertyName() + "(" + code + ");");
list.add("\t\t}");
list.add("");
}
//-----------------------------------------------------------------------
private String readWrite() {
switch (data.getStyle()) {
case READ_WRITE:
return "ReadWrite";
case READ_ONLY:
return "ReadOnly";
case WRITE_ONLY:
return "WriteOnly";
case DERIVED:
return "Derived";
case READ_ONLY_BUILDABLE:
return "ReadOnlyBuildable";
case IMMUTABLE:
return "Immutable";
default:
break;
}
throw new RuntimeException("Invalid style");
}
private String actualType() {
String pt = propertyType();
if (pt.equals(data.getType())) {
int genericStart = pt.indexOf('<');
if (genericStart >= 0) {
return "(Class) " + pt.substring(0, genericStart) + ".class";
}
if (data.getType().length() == 1) {
return "Object.class";
}
if (data.isGenericArrayType()) {
return "Object[].class";
}
return pt + ".class";
}
return pt + ".TYPE";
}
private String castObject() {
String pt = propertyType();
return "(" + pt + ") ";
}
private String propertyType() {
return propertyType(data.getType());
}
private String propertyType(String type) {
if (type.equals("boolean")) {
return "Boolean";
}
if (type.equals("byte")) {
return "Byte";
}
if (type.equals("short")) {
return "Short";
}
if (type.equals("char")) {
return "Character";
}
if (type.equals("int")) {
return "Integer";
}
if (type.equals("long")) {
return "Long";
}
if (type.equals("float")) {
return "Float";
}
if (type.equals("double")) {
return "Double";
}
return type;
}
PropertyData getData() {
return data;
}
// resolves awkward generics
static String resolveWildcard(String input) {
return input.equals("") ? "