com.github.lombrozo.testnames.javaparser.StingExpression Maven / Gradle / Ivy
/*
* MIT License
*
* Copyright (c) 2022-2024 Volodya Lombrozo
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.github.lombrozo.testnames.javaparser;
import com.github.javaparser.ast.expr.Expression;
import java.util.Optional;
/**
* Sting expression of Java Parser.
* Utility class for working with JavaParser library.
* Extracts string expression from JavaParser expression.
*
* @since 0.1.15
*/
class StingExpression {
/**
* Java Parser expression.
*/
private final Expression expr;
/**
* Constructor.
* @param expression Java Parser expression.
*/
StingExpression(final Expression expression) {
this.expr = expression;
}
/**
* Get string literal from Expression if possible.
* @return String expression.
*/
Optional asString() {
final Optional result;
if (this.expr.isStringLiteralExpr()) {
result = Optional.of(this.expr.asStringLiteralExpr().asString());
} else if (
this.expr.isNameExpr()
|| this.expr.isMethodCallExpr()
|| this.expr.isFieldAccessExpr()
) {
result = new UnknownMessage().message();
} else {
result = Optional.empty();
}
return result;
}
}