Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/**
 * 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.beans.BeanInfo;

import java.beans.IntrospectionException;
import java.beans.Introspector;

import java.beans.PropertyDescriptor;

import java.util.HashMap;

import java.util.Map;

public class Main {
    public static void makeTransient(Class<?> beanClass, String... pdNames) {
        try {
            BeanInfo info = Introspector.getBeanInfo(beanClass);
            PropertyDescriptor[] descs = info.getPropertyDescriptors();
            if (descs == null) {
                throw new RuntimeException("Cannot access property descriptor for class " + beanClass);
            }
            Map<String, PropertyDescriptor> mapping = new HashMap<String, PropertyDescriptor>();
            for (PropertyDescriptor desc : descs) {
                mapping.put(desc.getName(), desc);
            }
            for (String pdName : pdNames) {
                PropertyDescriptor desc = mapping.get(pdName);
                if (desc == null) {
                    throw new RuntimeException("Property " + pdName + " does not exist in " + beanClass);
                }
                desc.setValue("transient", Boolean.TRUE);
            }
        } catch (IntrospectionException ie) {
            throw new RuntimeException(ie);
        }
    }
}