io.virtualan.core.util.Helper Maven / Gradle / Ivy

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package io.virtualan.core.util;

import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONTokener;

import java.beans.IntrospectionException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.StandardCopyOption;

public class Helper {
    public static boolean isValidJson(String jsonStr) {
        try {
            Object json = new JSONTokener(jsonStr).nextValue();
            if (json instanceof JSONObject || json instanceof JSONArray) {
                return true;
            } else {
                return false;
            }
        }catch (Exception e){
            return false;
        }
    }

    public static void writeYaml(String filename, InputStream in) throws IOException {
        File targetFile = new File(filename);
        InputStream initialStream = in;
        java.nio.file.Files.copy(
                initialStream,
                targetFile.toPath(),
                StandardCopyOption.REPLACE_EXISTING);

        initialStream.close();
    }
}