com.tobedevoured.modelcitizen.template.JavaBeanTemplate.java Source code

Java tutorial

Introduction

Here is the source code for com.tobedevoured.modelcitizen.template.JavaBeanTemplate.java

Source

package com.tobedevoured.modelcitizen.template;

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.
 */

import java.lang.reflect.InvocationTargetException;

import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.lang.reflect.ConstructorUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Implementation of BlueprintTemplate using Reflection for a JavaBean Model
 */
public class JavaBeanTemplate implements BlueprintTemplate {
    private Logger logger = LoggerFactory.getLogger(this.getClass());

    @SuppressWarnings("unchecked")
    public <T> T construct(Class<T> modelClass) throws BlueprintTemplateException {
        try {
            return (T) ConstructorUtils.invokeConstructor(modelClass, null);
        } catch (NoSuchMethodException e) {
            throw new BlueprintTemplateException(e);
        } catch (IllegalAccessException e) {
            throw new BlueprintTemplateException(e);
        } catch (InvocationTargetException e) {
            throw new BlueprintTemplateException(e);
        } catch (InstantiationException e) {
            throw new BlueprintTemplateException(e);
        }
    }

    public <T> T set(T model, String property, Object value) throws BlueprintTemplateException {
        try {
            PropertyUtils.setProperty(model, property, value);
        } catch (IllegalAccessException propertyException) {
            throw new BlueprintTemplateException(propertyException);
        } catch (InvocationTargetException propertyException) {
            throw new BlueprintTemplateException(propertyException);
        } catch (NoSuchMethodException propertyException) {
            throw new BlueprintTemplateException(propertyException);
        }

        return model;
    }

    public Object get(Object model, String property) throws BlueprintTemplateException {
        logger.trace("Getting property [{}] for Model [{}]", property, model);
        try {
            return PropertyUtils.getProperty(model, property);
        } catch (IllegalAccessException propertyException) {
            throw new BlueprintTemplateException(propertyException);
        } catch (InvocationTargetException propertyException) {
            throw new BlueprintTemplateException(propertyException);
        } catch (NoSuchMethodException propertyException) {
            throw new BlueprintTemplateException(propertyException);
        }
    }

}