Merged HEAD-BUG-FIX (5.0/Cloud) to HEAD (5.0/Cloud)

83387: ACE-2670 (Move BeanExtender from RM into core) git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@84550 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2014-09-18 16:53:55 +00:00
parent ae002b41c9
commit 71ee376714
3 changed files with 360 additions and 1 deletions
--- a/source/java/org/alfresco/util/BeanExtender.java
+++ b/source/java/org/alfresco/util/BeanExtender.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2005-2014 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.util;
+
+import org.apache.commons.lang.StringUtils;
+import org.springframework.beans.MutablePropertyValues;
+import org.springframework.beans.PropertyValue;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+
+/**
+ * Extends the definition of a bean with another.
+ * <p>
+ * Implements bean factory post processor.
+ *
+ * @author Roy Wetherall
+ * @since 5.0
+ */
+public class BeanExtender implements BeanFactoryPostProcessor
+{
+    /** name of bean to extend */
+    private String beanName;
+
+    /** extending bean name */
+    private String extendingBeanName;
+
+    /**
+     * @param beanName  bean name
+     */
+    public void setBeanName(String beanName)
+    {
+        this.beanName = beanName;
+    }
+
+    /**
+     * @param extendingBeanName extending bean name
+     */
+    public void setExtendingBeanName(String extendingBeanName)
+    {
+        this.extendingBeanName = extendingBeanName;
+    }
+
+    /**
+     * @see org.springframework.beans.factory.config.BeanFactoryPostProcessor#postProcessBeanFactory(org.springframework.beans.factory.config.ConfigurableListableBeanFactory)
+     */
+    @Override
+    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
+    {
+        ParameterCheck.mandatory("beanName", beanName);
+        ParameterCheck.mandatory("extendingBeanName", extendingBeanName);
+
+        // check for bean name
+        if (!beanFactory.containsBean(beanName))
+        {
+            throw new NoSuchBeanDefinitionException("Can't find bean '" + beanName + "' to be extended.");
+        }
+
+        // check for extending bean
+        if (!beanFactory.containsBean(extendingBeanName))
+        {
+            throw new NoSuchBeanDefinitionException("Can't find bean '" + extendingBeanName + "' that is going to extend origional bean definition.");
+        }
+
+        // get the bean definitions
+        BeanDefinition beanDefinition = beanFactory.getBeanDefinition(beanName);
+        BeanDefinition extendingBeanDefinition = beanFactory.getBeanDefinition(extendingBeanName);
+
+        // update class
+        if (StringUtils.isNotBlank(extendingBeanDefinition.getBeanClassName()) &&
+            !beanDefinition.getBeanClassName().equals(extendingBeanDefinition.getBeanClassName()))
+        {
+            beanDefinition.setBeanClassName(extendingBeanDefinition.getBeanClassName());
+        }
+
+        // update properties
+        MutablePropertyValues properties = beanDefinition.getPropertyValues();
+        MutablePropertyValues extendingProperties = extendingBeanDefinition.getPropertyValues();
+        for (PropertyValue propertyValue : extendingProperties.getPropertyValueList())
+        {
+            properties.add(propertyValue.getName(), propertyValue.getValue());
+        }
+    }
+}