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package com.sun.rave.web.ui.component;
import java.util.Comparator;
/**
* <p>Defines a component for displaying an alarm icon based on the
* alarm seveirty.</p>
*/
public class Alarm extends AlarmBase implements Comparator {
/** Severity of an alarm. */
public static final String SEVERITY_DOWN = "down";
public static final String SEVERITY_CRITICAL = "critical";
public static final String SEVERITY_MAJOR = "major";
public static final String SEVERITY_MINOR = "minor";
public static final String SEVERITY_OK = "ok";
public static final String DEFAULT_SEVERITY = SEVERITY_OK;
// Severity level of an alarm.
private final int SEVERITY_LEVEL_DOWN = 1;
private final int SEVERITY_LEVEL_CRITICAL = 2;
private final int SEVERITY_LEVEL_MAJOR = 3;
private final int SEVERITY_LEVEL_MINOR = 4;
private final int SEVERITY_LEVEL_OK = 5;
/** Default constructor. */
public Alarm() {
}
/** Create an instance with the given severity. */
public Alarm(String severity) {
setSeverity(severity);
}
/**
* Compare the given objects for severity order.
*/
public int compare(Object o1, Object o2) throws ClassCastException {
int s1 = getSeverityLevel((Alarm) o1);
int s2 = getSeverityLevel((Alarm) o2);
return (s1 > s2) ? -1 : s1 == s2 ? 0 : 1;
}
/**
* Indicates whether some other object is "equal to" this Comparator.
*/
public boolean equals(Object o) throws ClassCastException {
int s1 = getSeverityLevel(this);
int s2 = getSeverityLevel((Alarm) o);
return (s1 == s2);
}
/**
* Helper method to get the severity level of an alarm.
*/
private int getSeverityLevel(Alarm alarm) {
int severity = SEVERITY_LEVEL_OK;
if (alarm.getSeverity().equals(SEVERITY_DOWN)) {
severity = SEVERITY_LEVEL_DOWN;
} else if (alarm.getSeverity().equals(SEVERITY_CRITICAL)) {
severity = SEVERITY_LEVEL_CRITICAL;
} else if (alarm.getSeverity().equals(SEVERITY_MAJOR)) {
severity = SEVERITY_LEVEL_MAJOR;
} else if (alarm.getSeverity().equals(SEVERITY_MINOR)) {
severity = SEVERITY_LEVEL_MINOR;
}
return severity;
}
}
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