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org.joda.beans.gen.SetterGen Maven / Gradle / Ivy
/*
* 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.Collections;
import java.util.List;
/**
* A generator of set methods.
*
* @author Stephen Colebourne
*/
abstract class SetterGen {
/**
* Checks if a setter method is possible.
*
* @param prop the property data, not null
* @return true if a setter is possible
*/
abstract boolean isSetterGenerated(PropertyData prop);
/**
* Generates the setter method.
*
* @param indent the indent to use, not null
* @param prop the property data, not null
* @return the generated code, not null
*/
abstract List generateSetter(String indent, PropertyData prop);
/**
* Generates the setter method invocation.
* This is just the method name.
*
* @param prop the property data, not null
* @param newValue the new value, not null
* @return the generated code, null if no setter
*/
String generateSetInvoke(PropertyData prop, String newValue) {
return "set" + prop.getUpperName() + "(" + newValue + ")";
}
//-----------------------------------------------------------------------
static final class SetSetterGen extends SetterGen {
static final SetSetterGen PUBLIC = new SetSetterGen("public ");
static final SetSetterGen PROTECTED = new SetSetterGen("protected ");
static final SetSetterGen PACKAGE = new SetSetterGen("");
static final SetSetterGen PRIVATE = new SetSetterGen("private ");
private final String access;
static SetSetterGen of(String access) {
return (access.equals("private") ? PRIVATE :
access.equals("package") ? PACKAGE :
access.equals("protected") ? PROTECTED : PUBLIC);
}
private SetSetterGen(String access) {
this.access = access;
}
@Override
boolean isSetterGenerated(PropertyData prop) {
return true;
}
@Override
List generateSetter(String indent, PropertyData prop) {
List list = new ArrayList<>();
list.add("\t/**");
list.add("\t * Sets " + prop.getFirstComment());
for (String comment : prop.getComments()) {
list.add("\t * " + comment);
}
list.add("\t * @param " + prop.getPropertyName() + " the new value of the property" + prop.getNotNullJavadoc());
list.add("\t */");
if (prop.isOverrideSet()) {
list.add("\t@Override");
}
if (prop.isDeprecated()) {
list.add("\t@Deprecated");
}
list.add("\t" + access + "void set" + prop.getUpperName() + "(" + prop.getType() + " " + prop.getPropertyName() + ") {");
if (prop.isValidated()) {
list.add("\t\t" + prop.getValidationMethodName() + "(" + prop.getPropertyName() + ", \"" + prop.getPropertyName() + "\");");
}
list.add("\t\tthis." + prop.getFieldName() + " = " + prop.getPropertyName() + ";");
list.add("\t}");
list.add("");
return list;
}
}
static class PatternSetterGen extends SetterGen {
private final String setPattern;
private final String access;
PatternSetterGen(String setPattern) {
this(setPattern, "public");
}
PatternSetterGen(String setPattern, String access) {
this.setPattern = setPattern;
this.access = (access.equals("package") ? "" : access + ' ');;
}
@Override
boolean isSetterGenerated(PropertyData prop) {
return true;
}
@Override
List generateSetter(String indent, PropertyData prop) {
List list = new ArrayList<>();
list.add(indent + "/**");
list.add(indent + " * Sets " + prop.getFirstComment());
for (String comment : prop.getComments()) {
list.add(indent + " * " + comment);
}
list.add(indent + " * @param " + prop.getPropertyName() + " the new value of the property" + prop.getNotNullJavadoc());
list.add(indent + " */");
if (prop.isOverrideSet()) {
list.add("\t@Override");
}
if (prop.isDeprecated()) {
list.add(indent + "@Deprecated");
}
list.add(indent + access + "void set" + prop.getUpperName() + "(" + prop.getType() + " " + prop.getPropertyName() + ") {");
if (prop.isValidated()) {
list.add("\t\t" + prop.getValidationMethodName() + "(" + prop.getPropertyName() + ", \"" + prop.getPropertyName() + "\");");
}
final String[] split = setPattern.split("\n");
for (String line : split) {
line = line.replace("$field", "this." + prop.getFieldName());
line = line.replace("$value", prop.getPropertyName());
if (split.length == 1 && line.endsWith(";") == false) {
line += ";";
}
list.add(indent + "\t" + line);
}
list.add(indent + "}");
list.add("");
return list;
}
}
static class NoSetterGen extends SetterGen {
static final SetterGen INSTANCE = new NoSetterGen();
@Override
boolean isSetterGenerated(PropertyData prop) {
return false;
}
@Override
List generateSetter(String indent, PropertyData prop) {
return Collections.emptyList();
}
}
static class FieldSetterGen extends SetterGen {
static final SetterGen INSTANCE = new FieldSetterGen();
@Override
boolean isSetterGenerated(PropertyData prop) {
return true;
}
@Override
List generateSetter(String indent, PropertyData prop) {
return Collections.emptyList();
}
@Override
String generateSetInvoke(PropertyData prop, String newValue) {
return prop.getFieldName() + " = " + newValue;
}
}
static class ObservableSetterGen extends SetterGen {
static final SetterGen PUBLIC = new ObservableSetterGen();
@Override
boolean isSetterGenerated(PropertyData prop) {
return true;
}
@Override
List generateSetter(String indent, PropertyData prop) {
List list = new ArrayList<>();
list.add("\t/**");
list.add("\t * Sets " + prop.getFirstComment());
for (String comment : prop.getComments()) {
list.add("\t * " + comment);
}
list.add("\t * @param " + prop.getPropertyName() + " the new value of the property" + prop.getNotNullJavadoc());
list.add("\t */");
if (prop.isOverrideSet()) {
list.add("\t@Override");
}
if (prop.isDeprecated()) {
list.add("\t@Deprecated");
}
list.add("\tpublic void set" + prop.getUpperName() + "(" + prop.getType() + " " + prop.getPropertyName() + ") {");
if (prop.isValidated()) {
list.add("\t\t" + prop.getValidationMethodName() + "(" + prop.getPropertyName() + ", \"" + prop.getPropertyName() + "\");");
}
String old = "old" + prop.getUpperName();
list.add("\t\t" + prop.getFieldType() + " " + old + " = this." + prop.getFieldName() + ";");
list.add("\t\tthis." + prop.getFieldName() + " = " + prop.getPropertyName() + ";");
list.add("\t\tthis." + prop.getConfig().getPrefix() + "propertyChangeSupport.firePropertyChange(\"" +
prop.getPropertyName() + "\", " + old + ", " + prop.getPropertyName() + ");");
list.add("\t}");
list.add("");
return list;
}
}
}
