/**
* Copyright (C) 2010 Lowereast Software
*
* 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.lowereast.guiceymongo.data.generator;
import java.io.IOException;
import org.antlr.stringtemplate.StringTemplate;
import com.lowereast.guiceymongo.data.generator.property.PrimitiveProperty;
import com.lowereast.guiceymongo.data.generator.type.PrimitiveType;
import com.lowereast.guiceymongo.data.generator.type.Type;
public class PrimitivePropertyGenerator extends PropertyGenerator<PrimitiveType, PrimitiveProperty> {
public PrimitivePropertyGenerator(TypeRegistry typeRegistry) {
super(PrimitiveType.class, typeRegistry);
}
@Override
public void createEquals(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
Type type = property.getType();
String s;
if (PrimitiveType.BoolType.equals(type) ||
PrimitiveType.DoubleType.equals(type) ||
PrimitiveType.FloatType.equals(type) ||
PrimitiveType.Int32Type.equals(type) ||
PrimitiveType.Int64Type.equals(type))
s = "if (this.has$p.camelCaseName$() != other.has$p.camelCaseName$() || (this.has$p.camelCaseName$() && this.get$p.camelCaseName$() != other.get$p.camelCaseName$()))\n";
else
s = "if (this.has$p.camelCaseName$() != other.has$p.camelCaseName$() || (this.has$p.camelCaseName$() && !this.get$p.camelCaseName$().equals(other.get$p.camelCaseName$())))\n";
s += "return false;\n";
StringTemplate template = new StringTemplate(s);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createKey(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
StringTemplate template = new StringTemplate(
"public static final String $p.keyName$ = \"$p.keyValue$\";\n"
);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createReadableMethod(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
StringTemplate template = new StringTemplate(
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"public abstract boolean has$p.camelCaseName$();\n" +
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"public abstract $p.primitiveType$ get$p.camelCaseName$();\n"
);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createWrapperMethod(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
PrimitiveType type = property.getType();
String s =
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"@Override\n" +
"public boolean has$p.camelCaseName$() {\n" +
"return _backing.containsField($p.keyName$);\n" +
"}\n" +
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"@Override\n" +
"public $p.primitiveType$ get$p.camelCaseName$() {\n";
if (property.hasOption("identity")) {
if (PrimitiveType.StringType.equals(type)) {
s +=
"Object value = _backing.get($p.keyName$);\n" +
"return value == null ? null : value.toString();\n";
} else if (PrimitiveType.ObjectIdType.equals(type))
s +=
"return ($p.primitiveBoxedType$)_backing.get($p.keyName$);\n";
else
throw new RuntimeException("Option identity is only valid for properties of type string or object_id");
} else if (PrimitiveType.Int32Type.equals(type)) {
s += "Object value = _backing.get($p.keyName$);\n" +
"if (value instanceof Double)\n" +
"return ((Double)value).intValue();\n" +
"return (Integer)value;\n";
} else
s += "return ($p.primitiveBoxedType$)_backing.get($p.keyName$);\n";
s += "}\n";
StringTemplate template = new StringTemplate(s);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createBuilderMethod(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
StringTemplate template = new StringTemplate(
// member variable
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"protected $p.primitiveBoxedType$ $p.memberVariableName$ = null;\n" +
// has
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"@Override\n" +
"public boolean has$p.camelCaseName$() {\n" +
"return $p.memberVariableName$ != null;\n" +
"}\n" +
// get
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"@Override\n" +
"public $p.primitiveType$ get$p.camelCaseName$() {\n" +
"return $p.memberVariableName$;\n" +
"}\n" +
// set
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"public Builder set$p.camelCaseName$($p.primitiveType$ value) {\n" +
"$p.memberVariableName$ = value;\n" +
"return this;\n" +
"}\n" +
// clear
"/**\n" +
" * $p.comment$\n" +
" */\n" +
"public Builder clear$p.camelCaseName$() {\n" +
"$p.memberVariableName$ = null;\n" +
"return this;\n" +
"}\n"
);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createBuilderNewBuilder(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
StringTemplate template = new StringTemplate(
"if (value.has$p.camelCaseName$())\n" +
"builder.set$p.camelCaseName$(value.get$p.camelCaseName$());\n"
);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createBuilderBuild(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
StringTemplate template = new StringTemplate(
"if ($p.memberVariableName$ != null)\n" +
"dbObject.put($p.keyName$, $p.memberVariableName$);\n"
);
template.setAttribute("p", property);
builder.append(template.toString());
}
@Override
public void createUpdaterMethod(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
PrimitiveType type = property.getType();
// has
appendIndent(builder, indentCount).append("@Override public boolean has").append(property.getCamelCaseName()).append("() {\n");
appendIndent(builder, indentCount + 1).append("return _wrapper.has").append(property.getCamelCaseName()).append("() || _builder.has").append(property.getCamelCaseName()).append("();\n");
appendIndent(builder, indentCount).append("}\n");
// get
appendIndent(builder, indentCount).append("@Override public ").append(type.getJavaType()).append(" get").append(property.getCamelCaseName()).append("() {\n");
appendIndent(builder, indentCount + 1).append("return _builder.has").append(property.getCamelCaseName()).append("() ? _builder.get").append(property.getCamelCaseName()).append("() : _wrapper.get").append(property.getCamelCaseName()).append("();\n");
appendIndent(builder, indentCount).append("}\n");
// set
appendIndent(builder, indentCount).append("public Updater set").append(property.getCamelCaseName()).append("(").append(type.getJavaType()).append(" value) {\n");
appendIndent(builder, indentCount + 1).append("_builder.set").append(property.getCamelCaseName()).append("(value);\n");
appendIndent(builder, indentCount + 1).append("return this;\n");
appendIndent(builder, indentCount).append("}\n");
// clear
appendIndent(builder, indentCount).append("public Updater clear").append(property.getCamelCaseName()).append("() {\n");
appendIndent(builder, indentCount + 1).append("_builder.clear").append(property.getCamelCaseName()).append("();\n");
appendIndent(builder, indentCount + 1).append("return this;\n");
appendIndent(builder, indentCount).append("}\n");
}
@Override
public void createUpdaterBuildUpdate(Appendable builder, PrimitiveProperty property, int indentCount) throws IOException {
if (property.getOption("identity") == null) {
appendIndent(builder, indentCount).append("if (_builder.has").append(property.getCamelCaseName()).append("())\n");
appendIndent(builder, indentCount + 1).append("dbObject.put(path + ").append(property.getKeyName()).append(", _builder.get").append(property.getCamelCaseName()).append("());\n");
}
}
}