com.framework.demo.spring.SpeedUpSpringProcessor.java Source code

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Here is the source code for com.framework.demo.spring.SpeedUpSpringProcessor.java

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/**
 * Copyright (c) 2005-2012 https://github.com/zhangkaitao
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.framework.demo.spring;

import org.apache.commons.lang3.ArrayUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.PropertyValue;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.ManagedMap;

import java.util.*;

/**
 * spring?bean
 * <p>User: hyssop
 * <p>Date: 13-6-3 ?9:47
 * <p>Version: 1.0
 */
public class SpeedUpSpringProcessor implements BeanFactoryPostProcessor {

    private final Logger log = LoggerFactory.getLogger(SpeedUpSpringProcessor.class);

    private String[] removedClassPatterns;
    private String[] includeClassPatterns;

    private String[] removedBeanNames;

    private Map<String, Set<String[]>> removedBeanProperties;
    private Map<String, String> replaceBeanProperties;

    private String[] noneLazyBeanNames;

    /**
     * ?bean?
     * @param
     */
    public void setRemovedClassPatterns(String[] removedClassPatterns) {
        this.removedClassPatterns = removedClassPatterns;
    }

    /**
     * ??bean?
     * @param includeClassPatterns
     */
    public void setIncludeClassPatterns(String[] includeClassPatterns) {
        this.includeClassPatterns = includeClassPatterns;
    }

    /**
     * ?bean??
     * @param removedBeanNames
     */
    public void setRemovedBeanNames(String[] removedBeanNames) {
        this.removedBeanNames = removedBeanNames;
    }

    /**
     * ?bean???  bean@property
     * 
     * ??bean???  bean@property=123
     * @param removeOrReplaceBeanProperties
     */
    public void setRemoveOrReplaceBeanProperties(String[] removeOrReplaceBeanProperties) {
        this.removedBeanProperties = new HashMap<String, Set<String[]>>(removeOrReplaceBeanProperties.length);
        for (String removeOrReplaceBeanProperty : removeOrReplaceBeanProperties) {

            int equalIndex = removeOrReplaceBeanProperty.indexOf('=');
            boolean isReplace = equalIndex >= 0;

            String removeBeanProperty = removeOrReplaceBeanProperty;
            if (isReplace) {
                removeBeanProperty = removeBeanProperty.substring(0, equalIndex);
            }

            String[] properties = removeBeanProperty.split("@");
            String beanName = properties[0];

            Set<String[]> propertiesSet = this.removedBeanProperties.get(beanName);

            if (propertiesSet == null) {
                propertiesSet = new HashSet<String[]>();
                this.removedBeanProperties.put(beanName, propertiesSet);
            }
            propertiesSet.add(Arrays.copyOfRange(properties, 1, properties.length));

            if (isReplace) {
                this.replaceBeanProperties = new HashMap<String, String>();
                String[] props = removeOrReplaceBeanProperty.split("=");
                this.replaceBeanProperties.put(props[0], props[1]);
            }

        }

    }

    /**
     * ?bean
     * @param noneLazyBeanNames
     */
    public void setNoneLazyBeanNames(String[] noneLazyBeanNames) {
        this.noneLazyBeanNames = noneLazyBeanNames;
    }

    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {

        if (!(beanFactory instanceof DefaultListableBeanFactory)) {
            log.error("if speed up spring, bean factory must be type of DefaultListableBeanFactory");
            return;
        }

        DefaultListableBeanFactory listableBeanFactory = (DefaultListableBeanFactory) beanFactory;

        for (String beanName : listableBeanFactory.getBeanDefinitionNames()) {
            BeanDefinition beanDefinition = beanFactory.getBeanDefinition(beanName);

            //?? 
            if (needRemove(beanName, beanDefinition)) {
                listableBeanFactory.removeBeanDefinition(beanName);
                continue;
            }

            //?lazy
            if (needLazyInit(beanName)) {
                //                beanDefinition.setLazyInit(true);
            }
        }
    }

    private boolean needLazyInit(String beanName) {
        if (ArrayUtils.isEmpty(noneLazyBeanNames)) {
            return true;
        }
        for (String noneLazyBeanName : noneLazyBeanNames) {
            if (beanName.equals(noneLazyBeanName)) {
                return false;
            }
        }
        return true;
    }

    private boolean needRemove(String beanName, BeanDefinition beanDefinition) {

        if (ArrayUtils.isNotEmpty(removedBeanNames)) {
            for (String removedBeanName : removedBeanNames) {
                if (beanName.equals(removedBeanName)) {
                    return true;
                }
                if (beanDefinition.getBeanClassName().equals(removedBeanName)) {
                    return true;
                }
            }
        }

        if (this.removedBeanProperties != null) {
            Set<String[]> propertiesSet = removedBeanProperties.get(beanName);
            if (propertiesSet != null) {
                Iterator<String[]> iter = propertiesSet.iterator();
                MutablePropertyValues propertyValues = beanDefinition.getPropertyValues();

                while (iter.hasNext()) {
                    String[] properties = iter.next();
                    if (properties.length == 1) {

                        //
                        propertyValues.removePropertyValue(properties[0]);

                        //?????
                        if (this.replaceBeanProperties != null) {
                            String key = beanName + "@" + properties[0];
                            if (this.replaceBeanProperties.containsKey(key)) {
                                propertyValues.add(properties[0], this.replaceBeanProperties.get(key));
                            }
                        }
                    } else {
                        PropertyValue propertyValue = propertyValues.getPropertyValue(properties[0]);
                        if (propertyValue != null) {
                            Object nextValue = propertyValue.getValue();
                            //???  + Map
                            if (nextValue instanceof ManagedMap) {

                                TypedStringValue typedStringValue = new TypedStringValue(properties[1]);
                                ((ManagedMap) nextValue).remove(typedStringValue);

                                //?????
                                if (this.replaceBeanProperties != null) {
                                    String key = beanName + "@" + properties[0] + "@" + properties[1];
                                    if (this.replaceBeanProperties.containsKey(key)) {
                                        ((ManagedMap) nextValue).put(properties[1],
                                                this.replaceBeanProperties.get(key));
                                    }
                                }
                            }
                        }
                    }
                }

            }
        }

        String className = beanDefinition.getBeanClassName();

        //spring data jpa
        if (className.equals("com.sishuok.es.common.repository.support.SimpleBaseRepositoryFactoryBean")
                || className.equals("org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean")) {
            PropertyValue repositoryInterfaceValue = beanDefinition.getPropertyValues()
                    .getPropertyValue("repositoryInterface");
            if (repositoryInterfaceValue != null) {
                className = repositoryInterfaceValue.getValue().toString();
            }
        }

        if (ArrayUtils.isEmpty(this.removedClassPatterns)) {
            return false;
        }

        if (ArrayUtils.isNotEmpty(this.includeClassPatterns)) {
            for (String includeClassPattern : includeClassPatterns) {
                if (className.matches(includeClassPattern)) {
                    return false;
                }
            }
        }

        for (String removedClassPattern : removedClassPatterns) {
            if (className.matches(removedClassPattern)) {
                return true;
            }
        }

        return false;
    }

    public static void main(String[] args) {
        String c = "com.sishuok.es.sys.user.web.bind.A";
        System.out.println(c.matches("com\\.sishuok\\.es\\.sys.*\\.web\\.controller.*"));
    }
}