#3636

Committed 25 May 2024 01:05PM CUT coverage: 87.169%. Remained the same

Build # #3636

Build Type

Pull #3170

github

Committed by

web-flow

Commit Message

chore(deps): update dependency maven to v3.9.7

Pull Request Pull Request #3170: chore(deps): update dependency maven to v3.9.7

Run Details

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/src/main/java/org/apache/ibatis/executor/loader/cglib/CglibProxyFactory.java

/*
 *    Copyright 2009-2024 the original author or authors.
 *
 *    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
 *
 *       https://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.apache.ibatis.executor.loader.cglib;

import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.locks.ReentrantLock;

import net.sf.cglib.proxy.Callback;
import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

import org.apache.ibatis.executor.loader.AbstractEnhancedDeserializationProxy;
import org.apache.ibatis.executor.loader.AbstractSerialStateHolder;
import org.apache.ibatis.executor.loader.ProxyFactory;
import org.apache.ibatis.executor.loader.ResultLoaderMap;
import org.apache.ibatis.executor.loader.WriteReplaceInterface;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.logging.Log;
import org.apache.ibatis.logging.LogFactory;
import org.apache.ibatis.reflection.ExceptionUtil;
import org.apache.ibatis.reflection.factory.ObjectFactory;
import org.apache.ibatis.reflection.property.PropertyCopier;
import org.apache.ibatis.reflection.property.PropertyNamer;
import org.apache.ibatis.session.Configuration;

/**
 * @author Clinton Begin
 *
 * @deprecated Since 3.5.10, use Javassist instead.
 */
@Deprecated
public class CglibProxyFactory implements ProxyFactory {

  private static final String FINALIZE_METHOD = "finalize";
  private static final String WRITE_REPLACE_METHOD = "writeReplace";

  public CglibProxyFactory() {
    try {
      Resources.classForName("net.sf.cglib.proxy.Enhancer");
    } catch (Throwable e) {
      throw new IllegalStateException(
          "Cannot enable lazy loading because CGLIB is not available. Add CGLIB to your classpath.", e);
    }
  }

  @Override
  public Object createProxy(Object target, ResultLoaderMap lazyLoader, Configuration configuration,
      ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
    return EnhancedResultObjectProxyImpl.createProxy(target, lazyLoader, configuration, objectFactory,
        constructorArgTypes, constructorArgs);
  }

  public Object createDeserializationProxy(Object target, Map<String, ResultLoaderMap.LoadPair> unloadedProperties,
      ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
    return EnhancedDeserializationProxyImpl.createProxy(target, unloadedProperties, objectFactory, constructorArgTypes,
        constructorArgs);
  }

  static Object createStaticProxy(Class<?> type, Callback callback, List<Class<?>> constructorArgTypes,
      List<Object> constructorArgs) {
    LogHolder.log.warn("CglibProxyFactory is deprecated. Use another proxy factory implementation.");
    Enhancer enhancer = new Enhancer();
    enhancer.setCallback(callback);
    enhancer.setSuperclass(type);
    try {
      type.getDeclaredMethod(WRITE_REPLACE_METHOD);
      // ObjectOutputStream will call writeReplace of objects returned by writeReplace
      if (LogHolder.log.isDebugEnabled()) {
        LogHolder.log.debug(WRITE_REPLACE_METHOD + " method was found on bean " + type + ", make sure it returns this");
      }
    } catch (NoSuchMethodException e) {
      enhancer.setInterfaces(new Class[] { WriteReplaceInterface.class });
    } catch (SecurityException e) {
      // nothing to do here
    }
    Object enhanced;
    if (constructorArgTypes.isEmpty()) {
      enhanced = enhancer.create();
    } else {
      Class<?>[] typesArray = constructorArgTypes.toArray(new Class[constructorArgTypes.size()]);
      Object[] valuesArray = constructorArgs.toArray(new Object[constructorArgs.size()]);
      enhanced = enhancer.create(typesArray, valuesArray);
    }
    return enhanced;
  }

  private static class EnhancedResultObjectProxyImpl implements MethodInterceptor {

    private final Class<?> type;
    private final ResultLoaderMap lazyLoader;
    private final boolean aggressive;
    private final Set<String> lazyLoadTriggerMethods;
    private final ObjectFactory objectFactory;
    private final List<Class<?>> constructorArgTypes;
    private final List<Object> constructorArgs;
    private final ReentrantLock lock = new ReentrantLock();

    private EnhancedResultObjectProxyImpl(Class<?> type, ResultLoaderMap lazyLoader, Configuration configuration,
        ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
      this.type = type;
      this.lazyLoader = lazyLoader;
      this.aggressive = configuration.isAggressiveLazyLoading();
      this.lazyLoadTriggerMethods = configuration.getLazyLoadTriggerMethods();
      this.objectFactory = objectFactory;
      this.constructorArgTypes = constructorArgTypes;
      this.constructorArgs = constructorArgs;
    }

    public static Object createProxy(Object target, ResultLoaderMap lazyLoader, Configuration configuration,
        ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
      final Class<?> type = target.getClass();
      EnhancedResultObjectProxyImpl callback = new EnhancedResultObjectProxyImpl(type, lazyLoader, configuration,
          objectFactory, constructorArgTypes, constructorArgs);
      Object enhanced = createStaticProxy(type, callback, constructorArgTypes, constructorArgs);
      PropertyCopier.copyBeanProperties(type, target, enhanced);
      return enhanced;
    }

    @Override
    public Object intercept(Object enhanced, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
      final String methodName = method.getName();
      lock.lock();
      try {
        if (WRITE_REPLACE_METHOD.equals(methodName)) {
          Object original;
          if (constructorArgTypes.isEmpty()) {
            original = objectFactory.create(type);
          } else {
            original = objectFactory.create(type, constructorArgTypes, constructorArgs);
          }
          PropertyCopier.copyBeanProperties(type, enhanced, original);
          if (lazyLoader.size() > 0) {
            return new CglibSerialStateHolder(original, lazyLoader.getProperties(), objectFactory, constructorArgTypes,
                constructorArgs);
          } else {
            return original;
          }
        }
        if (lazyLoader.size() > 0 && !FINALIZE_METHOD.equals(methodName)) {
          if (aggressive || lazyLoadTriggerMethods.contains(methodName)) {
            lazyLoader.loadAll();
          } else if (PropertyNamer.isSetter(methodName)) {
            final String property = PropertyNamer.methodToProperty(methodName);
            lazyLoader.remove(property);
          } else if (PropertyNamer.isGetter(methodName)) {
            final String property = PropertyNamer.methodToProperty(methodName);
            if (lazyLoader.hasLoader(property)) {
              lazyLoader.load(property);
            }
          }
        }
        return methodProxy.invokeSuper(enhanced, args);
      } catch (Throwable t) {
        throw ExceptionUtil.unwrapThrowable(t);
      } finally {
        lock.unlock();
      }
    }
  }

  private static class EnhancedDeserializationProxyImpl extends AbstractEnhancedDeserializationProxy
      implements MethodInterceptor {

    private EnhancedDeserializationProxyImpl(Class<?> type, Map<String, ResultLoaderMap.LoadPair> unloadedProperties,
        ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
      super(type, unloadedProperties, objectFactory, constructorArgTypes, constructorArgs);
    }

    public static Object createProxy(Object target, Map<String, ResultLoaderMap.LoadPair> unloadedProperties,
        ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
      final Class<?> type = target.getClass();
      EnhancedDeserializationProxyImpl callback = new EnhancedDeserializationProxyImpl(type, unloadedProperties,
          objectFactory, constructorArgTypes, constructorArgs);
      Object enhanced = createStaticProxy(type, callback, constructorArgTypes, constructorArgs);
      PropertyCopier.copyBeanProperties(type, target, enhanced);
      return enhanced;
    }

    @Override
    public Object intercept(Object enhanced, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
      final Object o = super.invoke(enhanced, method, args);
      return o instanceof AbstractSerialStateHolder ? o : methodProxy.invokeSuper(o, args);
    }

    @Override
    protected AbstractSerialStateHolder newSerialStateHolder(Object userBean,
        Map<String, ResultLoaderMap.LoadPair> unloadedProperties, ObjectFactory objectFactory,
        List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
      return new CglibSerialStateHolder(userBean, unloadedProperties, objectFactory, constructorArgTypes,
          constructorArgs);
    }
  }

  private static class LogHolder {
    private static final Log log = LogFactory.getLog(CglibProxyFactory.class);
  }

}

1	/*
2	* Copyright 2009-2024 the original author or authors.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* https://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package org.apache.ibatis.executor.loader.cglib;
17
18	import java.lang.reflect.Method;
19	import java.util.List;
20	import java.util.Map;
21	import java.util.Set;
22	import java.util.concurrent.locks.ReentrantLock;
23
24	import net.sf.cglib.proxy.Callback;
25	import net.sf.cglib.proxy.Enhancer;
26	import net.sf.cglib.proxy.MethodInterceptor;
27	import net.sf.cglib.proxy.MethodProxy;
28
29	import org.apache.ibatis.executor.loader.AbstractEnhancedDeserializationProxy;
30	import org.apache.ibatis.executor.loader.AbstractSerialStateHolder;
31	import org.apache.ibatis.executor.loader.ProxyFactory;
32	import org.apache.ibatis.executor.loader.ResultLoaderMap;
33	import org.apache.ibatis.executor.loader.WriteReplaceInterface;
34	import org.apache.ibatis.io.Resources;
35	import org.apache.ibatis.logging.Log;
36	import org.apache.ibatis.logging.LogFactory;
37	import org.apache.ibatis.reflection.ExceptionUtil;
38	import org.apache.ibatis.reflection.factory.ObjectFactory;
39	import org.apache.ibatis.reflection.property.PropertyCopier;
40	import org.apache.ibatis.reflection.property.PropertyNamer;
41	import org.apache.ibatis.session.Configuration;
42
43	/**
44	* @author Clinton Begin
45	*
46	* @deprecated Since 3.5.10, use Javassist instead.
47	*/
48	@Deprecated
49	public class CglibProxyFactory implements ProxyFactory {
50
51	private static final String FINALIZE_METHOD = "finalize";
52	private static final String WRITE_REPLACE_METHOD = "writeReplace";
53
54	public CglibProxyFactory() {	×
55	try {
56	Resources.classForName("net.sf.cglib.proxy.Enhancer");	×
57	} catch (Throwable e) {	×
58	throw new IllegalStateException(	×
59	"Cannot enable lazy loading because CGLIB is not available. Add CGLIB to your classpath.", e);
60	}	×
61	}	×
62
63	@Override
64	public Object createProxy(Object target, ResultLoaderMap lazyLoader, Configuration configuration,
65	ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
66	return EnhancedResultObjectProxyImpl.createProxy(target, lazyLoader, configuration, objectFactory,	×
67	constructorArgTypes, constructorArgs);
68	}
69
70	public Object createDeserializationProxy(Object target, Map<String, ResultLoaderMap.LoadPair> unloadedProperties,
71	ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
72	return EnhancedDeserializationProxyImpl.createProxy(target, unloadedProperties, objectFactory, constructorArgTypes,	×
73	constructorArgs);
74	}
75
76	static Object createStaticProxy(Class<?> type, Callback callback, List<Class<?>> constructorArgTypes,
77	List<Object> constructorArgs) {
78	LogHolder.log.warn("CglibProxyFactory is deprecated. Use another proxy factory implementation.");	×
79	Enhancer enhancer = new Enhancer();	×
80	enhancer.setCallback(callback);	×
81	enhancer.setSuperclass(type);	×
82	try {
83	type.getDeclaredMethod(WRITE_REPLACE_METHOD);	×
84	// ObjectOutputStream will call writeReplace of objects returned by writeReplace
85	if (LogHolder.log.isDebugEnabled()) {	×
86	LogHolder.log.debug(WRITE_REPLACE_METHOD + " method was found on bean " + type + ", make sure it returns this");	×
87	}
88	} catch (NoSuchMethodException e) {	×
89	enhancer.setInterfaces(new Class[] { WriteReplaceInterface.class });	×
90	} catch (SecurityException e) {	×
91	// nothing to do here
92	}	×
93	Object enhanced;
94	if (constructorArgTypes.isEmpty()) {	×
95	enhanced = enhancer.create();	×
96	} else {
97	Class<?>[] typesArray = constructorArgTypes.toArray(new Class[constructorArgTypes.size()]);	×
98	Object[] valuesArray = constructorArgs.toArray(new Object[constructorArgs.size()]);	×
99	enhanced = enhancer.create(typesArray, valuesArray);	×
100	}
101	return enhanced;	×
102	}
103
104	private static class EnhancedResultObjectProxyImpl implements MethodInterceptor {
105
106	private final Class<?> type;
107	private final ResultLoaderMap lazyLoader;
108	private final boolean aggressive;
109	private final Set<String> lazyLoadTriggerMethods;
110	private final ObjectFactory objectFactory;
111	private final List<Class<?>> constructorArgTypes;
112	private final List<Object> constructorArgs;
113	private final ReentrantLock lock = new ReentrantLock();	×
114
115	private EnhancedResultObjectProxyImpl(Class<?> type, ResultLoaderMap lazyLoader, Configuration configuration,
116	ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {	×
117	this.type = type;	×
118	this.lazyLoader = lazyLoader;	×
119	this.aggressive = configuration.isAggressiveLazyLoading();	×
120	this.lazyLoadTriggerMethods = configuration.getLazyLoadTriggerMethods();	×
121	this.objectFactory = objectFactory;	×
122	this.constructorArgTypes = constructorArgTypes;	×
123	this.constructorArgs = constructorArgs;	×
124	}	×
125
126	public static Object createProxy(Object target, ResultLoaderMap lazyLoader, Configuration configuration,
127	ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
128	final Class<?> type = target.getClass();	×
129	EnhancedResultObjectProxyImpl callback = new EnhancedResultObjectProxyImpl(type, lazyLoader, configuration,	×
130	objectFactory, constructorArgTypes, constructorArgs);
131	Object enhanced = createStaticProxy(type, callback, constructorArgTypes, constructorArgs);	×
132	PropertyCopier.copyBeanProperties(type, target, enhanced);	×
133	return enhanced;	×
134	}
135
136	@Override
137	public Object intercept(Object enhanced, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
138	final String methodName = method.getName();	×
139	lock.lock();	×
140	try {
141	if (WRITE_REPLACE_METHOD.equals(methodName)) {	×
142	Object original;
143	if (constructorArgTypes.isEmpty()) {	×
144	original = objectFactory.create(type);	×
145	} else {
146	original = objectFactory.create(type, constructorArgTypes, constructorArgs);	×
147	}
148	PropertyCopier.copyBeanProperties(type, enhanced, original);	×
149	if (lazyLoader.size() > 0) {	×
150	return new CglibSerialStateHolder(original, lazyLoader.getProperties(), objectFactory, constructorArgTypes,	×
151	constructorArgs);
152	} else {
153	return original;	×
154	}
155	}
156	if (lazyLoader.size() > 0 && !FINALIZE_METHOD.equals(methodName)) {	×
157	if (aggressive \|\| lazyLoadTriggerMethods.contains(methodName)) {	×
158	lazyLoader.loadAll();	×
159	} else if (PropertyNamer.isSetter(methodName)) {	×
160	final String property = PropertyNamer.methodToProperty(methodName);	×
161	lazyLoader.remove(property);	×
162	} else if (PropertyNamer.isGetter(methodName)) {	×
163	final String property = PropertyNamer.methodToProperty(methodName);	×
164	if (lazyLoader.hasLoader(property)) {	×
165	lazyLoader.load(property);	×
166	}
167	}
168	}
169	return methodProxy.invokeSuper(enhanced, args);	×
170	} catch (Throwable t) {	×
171	throw ExceptionUtil.unwrapThrowable(t);	×
172	} finally {
173	lock.unlock();	×
174	}
175	}
176	}
177
178	private static class EnhancedDeserializationProxyImpl extends AbstractEnhancedDeserializationProxy
179	implements MethodInterceptor {
180
181	private EnhancedDeserializationProxyImpl(Class<?> type, Map<String, ResultLoaderMap.LoadPair> unloadedProperties,
182	ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
183	super(type, unloadedProperties, objectFactory, constructorArgTypes, constructorArgs);	×
184	}	×
185
186	public static Object createProxy(Object target, Map<String, ResultLoaderMap.LoadPair> unloadedProperties,
187	ObjectFactory objectFactory, List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
188	final Class<?> type = target.getClass();	×
189	EnhancedDeserializationProxyImpl callback = new EnhancedDeserializationProxyImpl(type, unloadedProperties,	×
190	objectFactory, constructorArgTypes, constructorArgs);
191	Object enhanced = createStaticProxy(type, callback, constructorArgTypes, constructorArgs);	×
192	PropertyCopier.copyBeanProperties(type, target, enhanced);	×
193	return enhanced;	×
194	}
195
196	@Override
197	public Object intercept(Object enhanced, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
198	final Object o = super.invoke(enhanced, method, args);	×
199	return o instanceof AbstractSerialStateHolder ? o : methodProxy.invokeSuper(o, args);	×
200	}
201
202	@Override
203	protected AbstractSerialStateHolder newSerialStateHolder(Object userBean,
204	Map<String, ResultLoaderMap.LoadPair> unloadedProperties, ObjectFactory objectFactory,
205	List<Class<?>> constructorArgTypes, List<Object> constructorArgs) {
206	return new CglibSerialStateHolder(userBean, unloadedProperties, objectFactory, constructorArgTypes,	×
207	constructorArgs);
208	}
209	}
210
211	private static class LogHolder {
212	private static final Log log = LogFactory.getLog(CglibProxyFactory.class);	×
213	}
214
215	}

mybatis / mybatis-3 / #3636

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