Java ObjectOutputStream Write load(File file, final ClassLoader... loaders)

Description

load

License

Open Source License

Declaration

public static Object load(File file, final ClassLoader... loaders) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;

import java.io.ObjectStreamClass;

import java.util.zip.GZIPInputStream;

public class Main {
    public static Object load(String filepath) {
        return load(new File(filepath));
    }//from w  ww . ja v a  2s .  com

    public static Object load(File file) {
        return load(file, new ClassLoader[] { Thread.currentThread().getContextClassLoader() });
    }

    public static Object load(File file, final ClassLoader... loaders) {
        try {
            InputStream fis = new FileInputStream(file);
            if (file.getName().endsWith(".gz"))
                fis = new GZIPInputStream(fis);
            ObjectInputStream oIn = new ObjectInputStream(fis) {
                @Override
                protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
                    String className = desc.getName();
                    try {
                        return Class.forName(className);
                    } catch (ClassNotFoundException exc) {
                        for (ClassLoader cl : loaders) {
                            try {
                                return cl.loadClass(className);
                            } catch (ClassNotFoundException e) {
                            }
                        }
                        throw new ClassNotFoundException(className);
                    }
                }
            };
            Object serialized = oIn.readObject();
            oIn.close();
            return serialized;
        } catch (IOException e) {
            throw new RuntimeException(e);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. load(File f)
2. load(File file)
3. load(File file)
4. load(File file, Class type)
5. load(String fileName)
6. load(String filename)
7. load(String name, Class resultClass)
8. load(String path)