com.nimbusds.oauth2.sdk.id.Issuer Maven / Gradle / Ivy
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package com.nimbusds.oauth2.sdk.id;
import java.net.URI;
import java.net.URISyntaxException;
import net.jcip.annotations.Immutable;
/**
* Issuer identifier.
*
* Valid issuer identifiers are URIs with "https" schema and no query or
* fragment component.
*/
@Immutable
public final class Issuer extends Identifier {
/**
* Checks if the specified string represents a valid issuer identifier.
* This method is {@code null}-safe.
*
* @param value The issuer string.
*
* @return {@code true} if the string represents a valid issuer
* identifier, else {@code false}.
*/
public static boolean isValid(final String value) {
if (value == null)
return false;
try {
return isValid(new URI(value));
} catch (URISyntaxException e) {
return false;
}
}
/**
* Checks if the specified issuer is a valid identifier. This method is
* {@code null}-safe.
*
* @param value The issuer.
*
* @return {@code true} if the value is a valid identifier, else
* {@code false}.
*/
public static boolean isValid(final Issuer value) {
if (value == null)
return false;
try {
return isValid(new URI(value.getValue()));
} catch (URISyntaxException e) {
return false;
}
}
/**
* Checks if the specified URI represents a valid issuer identifier.
* This method is {@code null}-safe.
*
* @param value The URI.
*
* @return {@code true} if the values represents a valid issuer
* identifier, else {@code false}.
*/
public static boolean isValid(final URI value) {
if (value == null)
return false;
if (value.getScheme() == null || ! value.getScheme().equalsIgnoreCase("https"))
return false;
if (value.getQuery() != null)
return false;
if (value.getRawFragment() != null)
return false;
return true;
}
/**
* Creates a new issuer identifier with the specified value.
*
* @param value The issuer identifier value. Must not be {@code null}
* or empty string.
*/
public Issuer(final String value) {
super(value);
}
/**
* Checks if this issuer is a valid identifier. This method is
* {@code null}-safe.
*
* @return {@code true} if the value is a valid identifier, else
* {@code false}.
*/
public boolean isValid() {
return Issuer.isValid(this);
}
@Override
public boolean equals(final Object object) {
return object instanceof Issuer && this.toString().equals(object.toString());
}
}