import org.springframework.core.SpringProperties; //导入依赖的package包/类
/**
 * Create a new {@code SpringObjenesis} instance with the
 * given standard instantiator strategy.
 * @param strategy the instantiator strategy to use
 */
public SpringObjenesis(InstantiatorStrategy strategy) {
	this.strategy = (strategy != null ? strategy : new StdInstantiatorStrategy());

	// Evaluate the "spring.objenesis.ignore" property upfront...
	if (SpringProperties.getFlag(SpringObjenesis.IGNORE_OBJENESIS_PROPERTY_NAME)) {
		this.worthTrying = Boolean.FALSE;
	}
}
 

import org.springframework.core.SpringProperties; //导入依赖的package包/类
@Test
public void getInputStream(){
	
	ClassLoader cl = SpringProperties.class.getClassLoader();
	URL url = cl.getResource("defaults/jdbc.properties");
	if (url != null) {
		System.out.println("OK.");
	}else{
		System.out.println("failure.");
	}
}
 

import org.springframework.core.SpringProperties; //导入依赖的package包/类
@Test
public void suppressGetenvAccessThroughSpringProperty() {
	SpringProperties.setProperty("spring.getenv.ignore", "true");
	assertTrue(environment.getSystemEnvironment().isEmpty());
	SpringProperties.setProperty("spring.getenv.ignore", null);
}
 

import org.springframework.core.SpringProperties; //导入依赖的package包/类
@Test
public void suppressGetenvAccessThroughSpringFlag() {
	SpringProperties.setFlag("spring.getenv.ignore");
	assertTrue(environment.getSystemEnvironment().isEmpty());
	SpringProperties.setProperty("spring.getenv.ignore", null);
}
 

import org.springframework.core.SpringProperties; //导入依赖的package包/类
/**
 * Determine whether to suppress {@link System#getenv()}/{@link System#getenv(String)}
 * access for the purposes of {@link #getSystemEnvironment()}.
 * <p>If this method returns {@code true}, an empty dummy Map will be used instead
 * of the regular system environment Map, never even trying to call {@code getenv}
 * and therefore avoiding security manager warnings (if any).
 * <p>The default implementation checks for the "spring.getenv.ignore" system property,
 * returning {@code true} if its value equals "true" in any case.
 * @see #IGNORE_GETENV_PROPERTY_NAME
 * @see SpringProperties#getFlag
 */
protected boolean suppressGetenvAccess() {
	return SpringProperties.getFlag(IGNORE_GETENV_PROPERTY_NAME);
}