111 lines
2.9 KiB
Java
111 lines
2.9 KiB
Java
package com.craftaro.epicvouchers.utils;
|
|
|
|
import java.io.Serializable;
|
|
import java.util.Objects;
|
|
|
|
/**
|
|
* <p>A convenience class to represent name-value pairs.</p>
|
|
*
|
|
* @since JavaFX 2.0
|
|
*/
|
|
public class Pair<K, V> implements Serializable {
|
|
/**
|
|
* Key of this <code>Pair</code>.
|
|
*/
|
|
private final String key;
|
|
|
|
/**
|
|
* Gets the key for this pair.
|
|
*
|
|
* @return key for this pair
|
|
*/
|
|
public String getKey() {
|
|
return this.key;
|
|
}
|
|
|
|
/**
|
|
* Value of this this <code>Pair</code>.
|
|
*/
|
|
private final String value;
|
|
|
|
/**
|
|
* Gets the value for this pair.
|
|
*
|
|
* @return value for this pair
|
|
*/
|
|
public String getValue() {
|
|
return this.value;
|
|
}
|
|
|
|
/**
|
|
* Creates a new pair
|
|
*
|
|
* @param key The key for this pair
|
|
* @param value The value to use for this pair
|
|
*/
|
|
public Pair(String key, String value) {
|
|
this.key = key;
|
|
this.value = value;
|
|
}
|
|
|
|
/**
|
|
* <p><code>String</code> representation of this
|
|
* <code>Pair</code>.</p>
|
|
*
|
|
* <p>The default name/value delimiter '=' is always used.</p>
|
|
*
|
|
* @return <code>String</code> representation of this <code>Pair</code>
|
|
*/
|
|
@Override
|
|
public String toString() {
|
|
return this.key + "=" + this.value;
|
|
}
|
|
|
|
/**
|
|
* <p>Generate a hash code for this <code>Pair</code>.</p>
|
|
*
|
|
* <p>The hash code is calculated using both the name and
|
|
* the value of the <code>Pair</code>.</p>
|
|
*
|
|
* @return hash code for this <code>Pair</code>
|
|
*/
|
|
@Override
|
|
public int hashCode() {
|
|
// name's hashCode is multiplied by an arbitrary prime number (13)
|
|
// in order to make sure there is a difference in the hashCode between
|
|
// these two parameters:
|
|
// name: a value: aa
|
|
// name: aa value: a
|
|
return this.key.hashCode() * 13 + (this.value == null ? 0 : this.value.hashCode());
|
|
}
|
|
|
|
/**
|
|
* <p>Test this <code>Pair</code> for equality with another
|
|
* <code>Object</code>.</p>
|
|
*
|
|
* <p>If the <code>Object</code> to be tested is not a
|
|
* <code>Pair</code> or is <code>null</code>, then this method
|
|
* returns <code>false</code>.</p>
|
|
*
|
|
* <p>Two <code>Pair</code>s are considered equal if and only if
|
|
* both the names and values are equal.</p>
|
|
*
|
|
* @param o the <code>Object</code> to test for
|
|
* equality with this <code>Pair</code>
|
|
* @return <code>true</code> if the given <code>Object</code> is
|
|
* equal to this <code>Pair</code> else <code>false</code>
|
|
*/
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) {
|
|
return true;
|
|
}
|
|
if (o == null || getClass() != o.getClass()) {
|
|
return false;
|
|
}
|
|
|
|
Pair<?, ?> pair = (Pair<?, ?>) o;
|
|
return Objects.equals(this.key, pair.key) && Objects.equals(this.value, pair.value);
|
|
}
|
|
}
|