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            @Override
038            public Object newBean(String className) throws SpringFactoryException {
039                    return newBean(className, null);
040            }
041    
042            @Override
043            public Object newBean(String className, Map<String, Object> properties)
044                    throws SpringFactoryException {
045    
046                    try {
047                            return doNewBean(className, properties);
048                    }
049                    catch (SpringFactoryException se) {
050                            throw se;
051                    }
052                    catch (Exception e) {
053                            throw new SpringFactoryException(e);
054                    }
055            }
056    
057            public void setBeanDefinitions(Map<String, String> beanDefinitions) {
058                    _beanDefinitions = new HashMap<String, Set<String>>();
059    
060                    for (Map.Entry<String, String> entry : beanDefinitions.entrySet()) {
061                            String className = entry.getKey();
062    
063                            Set<String> properties = SetUtil.fromArray(
064                                    StringUtil.split(entry.getValue()));
065    
066                            _beanDefinitions.put(className, properties);
067                    }
068            }
069    
070            protected Object doNewBean(String className, Map<String, Object> properties)
071                    throws Exception {
072    
073                    Set<String> allowedProperties = _beanDefinitions.get(className);
074    
075                    if (allowedProperties == null) {
076                            throw new SpringFactoryException("Undefined class " + className);
077                    }
078    
079                    Object bean = InstanceFactory.newInstance(
080                            ClassLoaderUtil.getPortalClassLoader(), className);
081    
082                    if (bean instanceof FactoryBean) {
083                            FactoryBean<Object> factoryBean = (FactoryBean<Object>)bean;
084    
085                            bean = factoryBean.create();
086                    }
087    
088                    if (properties == null) {
089                            return bean;
090                    }
091    
092                    for (Map.Entry<String, Object> entry : properties.entrySet()) {
093                            String name = entry.getKey();
094    
095                            if (!allowedProperties.contains(name)) {
096                                    throw new SpringFactoryException(
097                                            "Undefined property " + name + " for class " +
098                                                    className);
099                            }
100    
101                            Object value = entry.getValue();
102    
103                            BeanPropertiesUtil.setProperty(bean, name, value);
104                    }
105    
106                    return bean;
107            }
108    
109            private Map<String, Set<String>> _beanDefinitions;
110    
111    }