com.gradecak.alfresco.mvc.converter.QnameDeserializer.java Source code

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Here is the source code for com.gradecak.alfresco.mvc.converter.QnameDeserializer.java

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/**
 * Copyright gradecak.com
    
 * 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 com.gradecak.alfresco.mvc.converter;

import java.io.IOException;

import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.namespace.QName;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.map.DeserializationContext;
import org.codehaus.jackson.map.JsonDeserializer;
import org.springframework.util.StringUtils;

public class QnameDeserializer extends JsonDeserializer<QName> {

    private ServiceRegistry serviceRegistry;

    public QnameDeserializer(ServiceRegistry serviceRegistry) {
        this.serviceRegistry = serviceRegistry;
    }

    @Override
    public QName deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {

        String qname = jp.getText();
        if (StringUtils.hasText(qname)) {
            return QName.createQName(qname, serviceRegistry.getNamespaceService());
        }

        throw ctxt.mappingException("Expected a valid QName string representation");
    }

}