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Spoon is a tool for meta-programming, analysis and transformation of Java programs.
/*
* SPDX-License-Identifier: (MIT OR CECILL-C)
*
* Copyright (C) 2006-2023 INRIA and contributors
*
* Spoon is available either under the terms of the MIT License (see LICENSE-MIT.txt) or the Cecill-C License (see LICENSE-CECILL-C.txt). You as the user are entitled to choose the terms under which to adopt Spoon.
*/
package spoon.support.adaption;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
/**
* A small utility class helping with printing json-like strings in {@link GlueNode} and {@link DeclarationNode}.
*/
final class NodePrintHelper {
private NodePrintHelper() {
throw new AssertionError("No instantiation");
}
/**
* Encloses a string in double quotes. Does not escape inner quotation marks.
* Special-purpose helper for {@link DeclarationNode} and {@link GlueNode}.
*
* @param input the string to quote
* @return the string surrounded with quotes
*/
public static String quote(String input) {
return '"' + input + '"';
}
/**
* Converts a list of values to a crudely formatted JSON-like array.
*
* Special-purpose helper for {@link DeclarationNode} and {@link GlueNode},
* it does not produce valid JSON in other contexts!
*
* @param input the input list
* @return the list as a quoted array
*/
public static String toJsonLikeArray(List input) {
return "["
+ input.stream()
.map(Objects::toString)
.map(NodePrintHelper::quote)
.collect(Collectors.joining(", "))
+ "]";
}
}