org.cyclades.engine.validator.ParametersURISyntaxValidator Maven / Gradle / Ivy

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 * Copyright (c) 2012, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
 * All rights reserved.
 *
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 *    may be used to endorse or promote products derived from this software without
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package org.cyclades.engine.validator;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;

/**
 * ParametersURISyntaxValidator validates that a parameter has a value
 * and that it conforms to syntax of a URI.
 */
public class ParametersURISyntaxValidator extends ParameterHasValue {

        /**
         * Basic constructor
         *
         * @param key   The key to validate
         */
        public ParametersURISyntaxValidator(String key) {
                super(key);
        }

        /**
         * Basic constructor
         *
         * @param key       The key to validate
         * @param terminal  if true, validation will terminate on this validator
         */
        public ParametersURISyntaxValidator(String key, boolean terminal) {
                super(key, terminal);
        }

        @Override
        public ValidationFaultElement validate (List values) throws Exception {
                final ValidationFaultElement vfe = super.validate(values);
                if (vfe != null) {
                        return vfe;
                }
                for (String v : values) {
                        try {
                                new URI(v);
                        } catch(URISyntaxException e) {
                                final StringBuilder sb = new StringBuilder("Parameter is not a valid URI: ").append(v);
                                return new ValidationFaultElement(sb.toString());
                        }
                }
                return null;
            }
}