com.jamiussiam.paddle.verifier.StringParser Maven / Gradle / Ivy

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package com.jamiussiam.paddle.verifier;

import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.util.Map;

/**
 *
 */
public class StringParser {

    /**
     * Serializes a string {@link Map} to php's equivalent
     * serialize() function.
     *
     * @param value     The {@link Map} to be serialized
     * @return          The serialized String.
     */
    public String serialize(Map value) {
        StringBuilder serializedString = new StringBuilder();

        serializedString.append("a:").append(value.size()).append(":{");

        value.forEach((key, val) -> {
            // Escape urls
            String valEscaped = URLDecoder.decode(val, StandardCharsets.UTF_8);

            serializedString.append(generateInnerValues(key));
            serializedString.append(generateInnerValues(valEscaped));
        });

        serializedString.append("}");

        return serializedString.toString();
    }


    /**
     * Generates the inner values for serialization
     */
    private String generateInnerValues(String val) {
        return String.format("s:%d:\"%s\";", val.length(), val);
    }
}