História stránky

package app.runnables;

import app.wrappers.E$SmartWeb_Demo__$WRAPPER$__;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;


public class E$SmartWeb_Demo extends E$SmartWeb_Demo__$WRAPPER$__ {

    public byte[] reportContract_PDF(byte[] urlParamsBytes) throws IOException {
		// naparsovanie poslaných URL paramatrov do hash-mapy
        final HashMap<String, String> parameters = getParametersFromUrlQueryString(urlParamsBytes);
		// Vyparsovanie parametra id do premennej
        final long contractId = Long.parseLong(parameters.get("id"));
        System.out.println("DEBUG: Downloading contract with id " + contractId);
        // Vyrobenie cesty k súboru s daným reportom
        Path path = Paths.get("D:/D2000/Contract" + contractId + ".pdf");
		// Načítanie obsahu súboru a jeho vrátenie ako pole bajtov
        return Files.readAllBytes(path);
    }

	/**
	  * Utility metóda, vráti naparsované URL parametre zoz vstupného poľa byte[]
	  **/	
    private HashMap<String, String> getParametersFromUrlQueryString(byte[] urlQueryStringBytes) throws UnsupportedEncodingException {
        final String urlParamsString = new String(urlQueryStringBytes, "UTF-8");
        final List<String> paramPartsList = Arrays.asList(urlParamsString.split("&"));
        final HashMap<String, String> parameters = new HashMap<String, String>();
        for (String paramPartsString : paramPartsList) {
            final String[] paramParts = paramPartsString.split("=");
            final String paramName = paramParts[0];
            final String paramValue = paramParts.length > 1 ? paramParts[1] : null;
            parameters.put(paramName, paramValue);
        }
        return parameters;
    }
};