cas/src/main/java/org/springframework/security/cas/ServiceProperties.java
public void afterPropertiesSet() throws Exception {
		Assert.hasLength(this.service, "service cannot be empty.");
		Assert.hasLength(this.artifactParameter, "artifactParameter cannot be empty.");
		Assert.hasLength(this.serviceParameter, "serviceParameter cannot be empty.");
	}
public void afterPropertiesSet() throws Exception {
		Assert.hasLength(this.service, "service cannot be empty.");
		Assert.hasLength(this.artifactParameter, "artifactParameter cannot be empty.");
		Assert.hasLength(this.serviceParameter, "serviceParameter cannot be empty.");
	}
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