org.apache.servicemix.nmr.spring.BundleExtUrlPostProcessor.java Source code

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Here is the source code for org.apache.servicemix.nmr.spring.BundleExtUrlPostProcessor.java

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/*
 * 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.servicemix.nmr.spring;

import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.BeanDefinitionVisitor;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.BeansException;
import org.springframework.core.Ordered;
import org.springframework.osgi.context.BundleContextAware;
import org.osgi.framework.BundleContext;

/**
 *
 */
public class BundleExtUrlPostProcessor
        implements BeanFactoryPostProcessor, Ordered, BundleContextAware, BeanNameAware, BeanFactoryAware {

    private int order;
    private String beanName;
    private BeanFactory beanFactory;
    private BundleContext bundleContext;

    public int getOrder() {
        return order;
    }

    public void setOrder(int order) {
        this.order = order;
    }

    public void setBundleContext(BundleContext bundleContext) {
        this.bundleContext = bundleContext;
    }

    public void setBeanName(String string) {
        this.beanName = string;
    }

    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        this.beanFactory = beanFactory;
    }

    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactoryToProcess) throws BeansException {
        BeanDefinitionVisitor visitor = new BundleExtUrlBeanDefinitionVisitor();
        String[] beanNames = beanFactoryToProcess.getBeanDefinitionNames();
        for (int i = 0; i < beanNames.length; i++) {
            // Check that we're not parsing our own bean definition,
            // to avoid failing on unresolvable placeholders in properties file locations.
            if (!(beanNames[i].equals(this.beanName) && beanFactoryToProcess.equals(this.beanFactory))) {
                BeanDefinition bd = beanFactoryToProcess.getBeanDefinition(beanNames[i]);
                try {
                    visitor.visitBeanDefinition(bd);
                } catch (BeanDefinitionStoreException ex) {
                    throw new BeanDefinitionStoreException(bd.getResourceDescription(), beanNames[i],
                            ex.getMessage());
                }
            }
        }
    }

    private class BundleExtUrlBeanDefinitionVisitor extends BeanDefinitionVisitor {

        protected String resolveStringValue(String string) {
            if (string.startsWith("bundle-ext:")) {
                string = "bundle://" + bundleContext.getBundle().getBundleId() + "/"
                        + string.substring("bundle-ext:".length());
            }
            return string;
        }
    }

}