org.cloudifysource.restDoclet.exampleGenerators.DocDefaultExampleGenerator.java Source code

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Here is the source code for org.cloudifysource.restDoclet.exampleGenerators.DocDefaultExampleGenerator.java

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/*******************************************************************************
 * Copyright (c) 2013 GigaSpaces Technologies Ltd. All rights reserved
 *
 * 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.cloudifysource.restDoclet.exampleGenerators;

import org.apache.commons.lang.ClassUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.web.multipart.MultipartFile;

import com.sun.javadoc.Type;

/**
 * Creates a default example - 
 *       creates a JSON format of an instantiated object of the given clazz. 
 * @author yael
 * @since 0.5.0
 */
public class DocDefaultExampleGenerator implements IDocExampleGenerator {

    private String generateJSON(final Type type) throws Exception {
        Class<?> clazz = ClassUtils.getClass(type.qualifiedTypeName());
        if (MultipartFile.class.getName().equals(clazz.getName())) {
            return "\"file content\"";
        }
        if (clazz.isInterface()) {
            throw new InstantiationException("the given class is an interface [" + clazz.getName() + "].");
        }
        Object newInstance = null;
        if (clazz.isPrimitive()) {
            newInstance = PrimitiveExampleValues.getValue(clazz);
        }
        Class<?> classToInstantiate = clazz;
        if (newInstance == null) {
            newInstance = classToInstantiate.newInstance();
        }
        return new ObjectMapper().writeValueAsString(newInstance);
    }

    @Override
    public String generateExample(final Type type) throws Exception {
        return generateJSON(type);
    }
}