001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.spring.util;
016    
017    import com.liferay.portal.kernel.bean.BeanPropertiesUtil;
018    import com.liferay.portal.kernel.security.pacl.DoPrivileged;
019    import com.liferay.portal.kernel.spring.util.FactoryBean;
020    import com.liferay.portal.kernel.spring.util.SpringFactory;
021    import com.liferay.portal.kernel.spring.util.SpringFactoryException;
022    import com.liferay.portal.kernel.util.InstanceFactory;
023    import com.liferay.portal.kernel.util.SetUtil;
024    import com.liferay.portal.kernel.util.StringUtil;
025    import com.liferay.portal.util.ClassLoaderUtil;
026    
027    import java.util.HashMap;
028    import java.util.Map;
029    import java.util.Set;
030    
031    /**
032     * @author Brian Wing Shun Chan
033     */
034    @DoPrivileged
035    public class SpringFactoryImpl implements SpringFactory {
036    
037            public Object newBean(String className) throws SpringFactoryException {
038                    return newBean(className, null);
039            }
040    
041            public Object newBean(String className, Map<String, Object> properties)
042                    throws SpringFactoryException {
043    
044                    try {
045                            return doNewBean(className, properties);
046                    }
047                    catch (SpringFactoryException se) {
048                            throw se;
049                    }
050                    catch (Exception e) {
051                            throw new SpringFactoryException(e);
052                    }
053            }
054    
055            public void setBeanDefinitions(Map<String, String> beanDefinitions) {
056                    _beanDefinitions = new HashMap<String, Set<String>>();
057    
058                    for (Map.Entry<String, String> entry : beanDefinitions.entrySet()) {
059                            String className = entry.getKey();
060    
061                            Set<String> properties = SetUtil.fromArray(
062                                    StringUtil.split(entry.getValue()));
063    
064                            _beanDefinitions.put(className, properties);
065                    }
066            }
067    
068            protected Object doNewBean(String className, Map<String, Object> properties)
069                    throws Exception {
070    
071                    Set<String> allowedProperties = _beanDefinitions.get(className);
072    
073                    if (allowedProperties == null) {
074                            throw new SpringFactoryException("Undefined class " + className);
075                    }
076    
077                    Object bean = InstanceFactory.newInstance(
078                            ClassLoaderUtil.getPortalClassLoader(), className);
079    
080                    if (bean instanceof FactoryBean) {
081                            FactoryBean<Object> factoryBean = (FactoryBean<Object>)bean;
082    
083                            bean = factoryBean.create();
084                    }
085    
086                    if (properties == null) {
087                            return bean;
088                    }
089    
090                    for (Map.Entry<String, Object> entry : properties.entrySet()) {
091                            String name = entry.getKey();
092    
093                            if (!allowedProperties.contains(name)) {
094                                    throw new SpringFactoryException(
095                                            "Undefined property " + name + " for class " +
096                                                    className);
097                            }
098    
099                            Object value = entry.getValue();
100    
101                            BeanPropertiesUtil.setProperty(bean, name, value);
102                    }
103    
104                    return bean;
105            }
106    
107            private Map<String, Set<String>> _beanDefinitions;
108    
109    }