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Apache CXF example source code file (SpringBeanQNameMap.java)

This example Apache CXF source code file (SpringBeanQNameMap.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Apache CXF tags/keywords

beandefinitionholder, beandefinitionholder, beanreference, beanreference, collection, collection, configurableapplicationcontext, exception, mergeable, object, object, propertyvalue, qname, reflection, typedstringvalue, util

The Apache CXF SpringBeanQNameMap.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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
 *
 * http://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.cxf.configuration.spring;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;

import javax.xml.namespace.QName;

import org.apache.cxf.common.injection.NoJSR250Annotations;
import org.apache.cxf.helpers.CastUtils;
import org.springframework.beans.Mergeable;
import org.springframework.beans.PropertyValue;
import org.springframework.beans.factory.BeanIsAbstractException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.config.BeanReference;
import org.springframework.beans.factory.config.ConstructorArgumentValues;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;

@NoJSR250Annotations
public class SpringBeanQNameMap<V> 
    extends AbstractSpringBeanMap<QName, V> {

    protected void processBeans(ApplicationContext beanFactory) {
        if (beanFactory == null) {
            return;
        }

        String[] beanNames = beanFactory.getBeanNamesForType(type);

        ConfigurableApplicationContext ctxt = (ConfigurableApplicationContext)beanFactory;

        // Take any bean name or alias that has a web service annotation
        for (int i = 0; i < beanNames.length; i++) {

            BeanDefinition def = ctxt.getBeanFactory().getBeanDefinition(beanNames[i]);

            if (!beanFactory.isSingleton(beanNames[i]) || def.isAbstract()) {
                continue;
            }

            try {
                Collection<?> ids = null;
                PropertyValue pv = def.getPropertyValues().getPropertyValue(idsProperty);
                
                if (pv != null) {
                    Object value = pv.getValue();
                    if (!(value instanceof Collection)) {
                        throw new RuntimeException("The property " + idsProperty + " must be a collection!");
                    }

                    if (value instanceof Mergeable) {
                        if (!((Mergeable)value).isMergeEnabled()) {
                            ids = (Collection<?>)value;
                        }
                    } else {
                        ids = (Collection<?>)value;
                    }
                } 
                if (ids == null && staticFieldName != null) {
                    Class<?> cls = context.getType(beanNames[i]);
                    try {
                        Field f = cls.getDeclaredField(staticFieldName);
                        f.setAccessible(true);
                        Collection<QName> sids = CastUtils.cast((Collection)f.get(null));
                        if (sids != null) {
                            ids = new ArrayList<QName>(sids);
                        }
                    } catch (Exception ex) {
                        //ignore, fall through
                    }
                }

                // if values are not legal keys (for lazy-init bean definitions id values may be
                // BeanDefinitionHolders), load the bean and get its id values instead
                // for BeanReference type values, simply resolve reference
                //  
                if (null != ids) {
                    Collection<Object> checked = new ArrayList(ids.size());
                    for (Object id : ids) {
                        if (id instanceof QName) {
                            checked.add(id);
                        } else if (id instanceof BeanReference) {
                            BeanReference br = (BeanReference)id;
                            Object refId = context.getBean(br.getBeanName());
                            checked.add(refId);
                        } else if (id instanceof BeanDefinitionHolder) {
                            BeanDefinitionHolder bdh = (BeanDefinitionHolder)id;
                            if (QName.class.getName().equals(bdh.getBeanDefinition().getBeanClassName())) {
                                try {
                                    java.util.List l = bdh.getBeanDefinition().getConstructorArgumentValues()
                                        .getGenericArgumentValues();
                                    
                                    ConstructorArgumentValues.ValueHolder v 
                                        = (ConstructorArgumentValues.ValueHolder)l.get(0);
                                    
                                    TypedStringValue nss = (TypedStringValue)v.getValue();
                                    v = (ConstructorArgumentValues.ValueHolder)l.get(1);
                                    TypedStringValue ln = (TypedStringValue)v.getValue();
                                    checked.add(new QName(nss.getValue(), ln.getValue()));
                                } catch (Exception ex) {
                                    //ignore
                                    break;
                                }
                            } else {
                                break;
                            }
                        } else {
                            
                            break;
                        }
                    }
                    if (checked.size() < ids.size()) {
                        ids = null;
                    } else {
                        ids = checked;
                    }
                } 
                if (ids == null) {
                    ids = getIds(ctxt.getBean(beanNames[i]));
                    if (ids == null) {
                        continue;
                    }
                }
                
                for (Object id : ids) {
                    QName key = (QName)id;
                    getBeanListForId(key).add(beanNames[i]);
                }
            } catch (BeanIsAbstractException e) {
                // The bean is abstract, we won't be doing anything with it.
                continue;
            }
        }

        processBeans(ctxt.getParent());
    }

}

Other Apache CXF examples (source code examples)

Here is a short list of links related to this Apache CXF SpringBeanQNameMap.java source code file:

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