001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.model.validator;
018
019import javax.xml.bind.annotation.XmlAccessType;
020import javax.xml.bind.annotation.XmlAccessorType;
021import javax.xml.bind.annotation.XmlAttribute;
022import javax.xml.bind.annotation.XmlType;
023
024import org.apache.camel.CamelContext;
025import org.apache.camel.spi.Metadata;
026import org.apache.camel.spi.Validator;
027
028/**
029 * Represents a CustomValidator. One of the bean reference (ref) or fully qualified class name (className)
030 * of the custom {@link Validator} needs to be specified.
031 * 
032 * {@see ValidatorDefinition}
033 * {@see Validator}
034 */
035@Metadata(label = "validation")
036@XmlType(name = "customValidator")
037@XmlAccessorType(XmlAccessType.FIELD)
038public class CustomValidatorDefinition extends ValidatorDefinition {
039
040    @XmlAttribute
041    private String ref;
042    @XmlAttribute
043    private String className;
044
045    @Override
046    protected Validator doCreateValidator(CamelContext context) throws Exception {
047        if (ref == null && className == null) {
048            throw new IllegalArgumentException("'ref' or 'type' must be specified for customValidator");
049        }
050        Validator validator;
051        if (ref != null) {
052            validator = context.getRegistry().lookupByNameAndType(ref, Validator.class);
053            if (validator == null) {
054                throw new IllegalArgumentException("Cannot find validator with ref:" + ref);
055            }
056            if (validator.getType() != null) {
057                throw new IllegalArgumentException(String.format("Validator '%s' is already in use. Please check if duplicate validator exists.", ref));
058            }
059        } else {
060            Class<Validator> validatorClass = context.getClassResolver().resolveMandatoryClass(className, Validator.class);
061            if (validatorClass == null) {
062                throw new IllegalArgumentException("Cannot find validator class: " + className);
063            }
064            validator = context.getInjector().newInstance(validatorClass);
065
066        }
067        validator.setCamelContext(context);
068        return validator.setType(getType());
069    }
070
071    public String getRef() {
072        return ref;
073    }
074
075    /**
076     * Set a bean reference of the {@link Validator}
077     *
078     * @param ref the bean reference of the Transformer
079     */
080    public void setRef(String ref) {
081        this.ref = ref;
082    }
083
084    public String getClassName() {
085        return className;
086    }
087
088    /**
089     * Set a class name of the {@link Validator}
090     *
091     * @param className the class name of the Validator
092     */
093    public void setClassName(String className) {
094        this.className = className;
095    }
096
097}
098