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IGRP Framework is a powerful and highly customizable platform developed by the Operational Nucleus for the Information Society (NOSi) to create web applications, it provides out of box, several modules to make easy to create stand-alone, production-grade web applications: authentication and access-control, business processes automation, reporting, page builder with automatic code generation and incorporation of the Once-Only-Principle, written in Java. IGRP Framework WAR - Contains some keys resources that give UI to IGRP Framework and others supports files.

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package nosi.core.config;


import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Objects;
import java.util.Properties;

import nosi.core.webapp.ApplicationManager;
import nosi.core.webapp.Core;
import nosi.core.webapp.Igrp;


/**
 * Emanuel
 * 17 Jul 2018
 */
public final class ConfigApp {


    private final Config config;

    private final Properties commonMain;

    private static final ConfigApp CONFIG_APP = new ConfigApp();

    private ConfigApp() {
        this.config = new Config();
        this.commonMain = this.loadConfig("common", "main.xml");
    }

    public static ConfigApp getInstance() {
        return CONFIG_APP;
    }

    public static Properties loadConfig(String fileName) { // xml to properties
        final File file = new File(fileName);
        final Properties properties = new Properties();
        try (FileInputStream fis = new FileInputStream(file)) {
            properties.loadFromXML(fis);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return properties;
    }
	public Properties loadProperties(String fileName) throws IOException {
		final Properties properties = new Properties();
		try (InputStream inputStream = getClass().getResourceAsStream(fileName)) {
			if (inputStream != null)
				properties.load(inputStream);
		}
		return properties;
	}


    public Properties loadConfig(String filePath, String fileName) {
        final String path = Config.BASE_PATH_CONFIGURATION + "/" + filePath;
        return loadConfig(Objects.requireNonNull(this.getClass().getClassLoader().getResource(path + "/" + fileName)).getPath().replace("%20", " "));
    }

    public String getBaseConnection() {
        return commonMain.getProperty(ConfigCommonMainConstants.IGRP_DATASOURCE_CONNECTION_NAME.value(), getDefaultBaseConnectionName());
    }

    public String getDefaultBaseConnectionName() {
        return "hibernate-igrp-core";
    }

    public void saveProperties(Properties p, String fileName) {
        try (OutputStream out = Files.newOutputStream(Paths.get(fileName))) {
            p.store(out, "");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public String getExternalUrl(String dad) {
    	String url = ApplicationManager.requestUrl(Igrp.getInstance().getRequest());
    	if(dad != null && !dad.trim().isEmpty()) {
    		String deployedWarName = Core.getDeployedWarName();
    		url = url.replaceFirst("/" + deployedWarName + "/", "/" + dad + "/");
    	}
    	return url;
    }

    public String getWorkspace() {
        return commonMain.getProperty(ConfigCommonMainConstants.IGRP_WORKSPACE.value());
    }

    public String getEnvironment() {
        return ConfigCommonMainConstants.isEnvironmentVariableScanActive() ?
                ConfigCommonMainConstants.IGRP_ENV.getEnvironmentVariable() : commonMain.getProperty(ConfigCommonMainConstants.IGRP_ENV.value());
    }

    public String getAutenticationType() {
        return ConfigCommonMainConstants.isEnvironmentVariableScanActive() ?
                ConfigCommonMainConstants.IGRP_AUTHENTICATION_TYPE.getEnvironmentVariable() : commonMain.getProperty(ConfigCommonMainConstants.IGRP_AUTHENTICATION_TYPE.value());
    }
    
    public boolean isActiveGlobalACL() {
        return Core.isNotNull(commonMain.getProperty(ConfigCommonMainConstants.IGRP_PDEX_APPCONFIG_URL.value()));

    }

    public Properties getMainSettings() {
        return commonMain;
    }

    public Config getConfig() {
        return config;
    }

}