com.sap.cloud.security.config.Environments Maven / Gradle / Ivy
/**
* SPDX-FileCopyrightText: 2018-2023 SAP SE or an SAP affiliate company and Cloud Security Client Java contributors
*
* SPDX-License-Identifier: Apache-2.0
*/
package com.sap.cloud.security.config;
import com.sap.cloud.environment.servicebinding.SapVcapServicesServiceBindingAccessor;
import java.io.InputStream;
import java.util.Scanner;
/**
* Central entry point to access the current SAP Cloud Platform {@link Environment}.
*/
public class Environments {
private static Environment currentEnvironment;
private Environments() {
// use factoryMethods instead
}
/**
* Determines the current type of {@link Environment}.
*
* @return the current environment
*/
public static Environment getCurrent() {
if (currentEnvironment == null) {
currentEnvironment = new ServiceBindingEnvironment();
}
return currentEnvironment;
}
/**
* Reads {@link Environment} not from system environment but from {@link InputStream}. Is applicable only to CF
* environment and expects the input to be in VCAP services format.
*
* @param input
* e.g. from file
* @return the environment
*/
public static Environment readFromInput(InputStream input) {
Scanner scanner = new Scanner(input);
StringBuilder vcapServices = new StringBuilder();
while (scanner.hasNext()) {
vcapServices.append(scanner.nextLine());
}
return new ServiceBindingEnvironment(new SapVcapServicesServiceBindingAccessor(str -> vcapServices.toString()));
}
}