fish.payara.microprofile.metrics.healthcheck.ServiceExpression Maven / Gradle / Ivy
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package fish.payara.microprofile.metrics.healthcheck;
import static fish.payara.microprofile.metrics.jmx.MetricsMetadataHelper.ATTRIBUTE_SEPARATOR;
import static fish.payara.microprofile.metrics.jmx.MetricsMetadataHelper.SUB_ATTRIBUTE_SEPARATOR;
public class ServiceExpression {
private String service;
private String attributeName;
private String subAttributeName;
public ServiceExpression(String expression) {
if (expression == null || expression.trim().isEmpty()) {
throw new IllegalArgumentException("Service Expression is null");
}
int slashIndex = expression.lastIndexOf(ATTRIBUTE_SEPARATOR);
if (slashIndex >= 0) {
service = expression.substring(0, slashIndex);
attributeName = expression.substring(slashIndex + 1);
if (attributeName.contains(SUB_ATTRIBUTE_SEPARATOR)) {
int hashIndex = attributeName.indexOf(SUB_ATTRIBUTE_SEPARATOR);
subAttributeName = attributeName.substring(hashIndex + 1);
attributeName = attributeName.substring(0, hashIndex);
}
} else {
slashIndex = expression.lastIndexOf(SUB_ATTRIBUTE_SEPARATOR);
if (slashIndex < 0) {
throw new IllegalArgumentException("Service Expression is invalid : " + expression);
}
service = expression.substring(0, slashIndex);
subAttributeName = expression.substring(slashIndex + 1);
}
}
public String getServiceId() {
return service;
}
public String getAttributeName() {
return attributeName;
}
public String getSubAttributeName() {
return subAttributeName;
}
}