/
URLValidator.java
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/
URLValidator.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.validator.internal.constraintvalidators.hv;
import java.net.MalformedURLException;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.hibernate.validator.constraints.URL;
/**
* Validate that the character sequence (e.g. string) is a valid URL.
*
* @author Hardy Ferentschik
*/
public class URLValidator implements ConstraintValidator<URL, CharSequence> {
private String protocol;
private String host;
private int port;
public void initialize(URL url) {
this.protocol = url.protocol();
this.host = url.host();
this.port = url.port();
}
public boolean isValid(CharSequence value, ConstraintValidatorContext constraintValidatorContext) {
if ( value == null || value.length() == 0 ) {
return true;
}
java.net.URL url;
try {
url = new java.net.URL( value.toString() );
}
catch ( MalformedURLException e ) {
return false;
}
if ( protocol != null && protocol.length() > 0 && !url.getProtocol().equals( protocol ) ) {
return false;
}
if ( host != null && host.length() > 0 && !url.getHost().equals( host ) ) {
return false;
}
if ( port != -1 && url.getPort() != port ) {
return false;
}
return true;
}
}