org.pentaho.springdm.extender.PentahoOsgiBundleXmlApplicationContext.java Source code

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Here is the source code for org.pentaho.springdm.extender.PentahoOsgiBundleXmlApplicationContext.java

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/*!
 * Copyright 2010 - 2018 Hitachi Vantara.  All rights reserved.
 *
 * Licensed 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.pentaho.springdm.extender;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
import org.springframework.osgi.context.support.OsgiBundleXmlApplicationContext;

import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;

/**
 * Created by nbaker on 7/20/16.
 */
public class PentahoOsgiBundleXmlApplicationContext extends OsgiBundleXmlApplicationContext {

    private static final Logger log;

    public PentahoOsgiBundleXmlApplicationContext(String[] configurationLocations) {
        super(configurationLocations);
    }

    @Override
    public Resource getResource(String location) {

        int index = location.indexOf("plugin:");
        if (index != 0) {
            return super.getResource(location);
        }

        location = location.substring("plugin:".length());
        String pluginPath = getBundle().getSymbolicName() + "/";

        Resource resourceByPath = super.getResource("osgibundlejar:/" + pluginPath + location);
        if (resourceByPath != null) {
            return resourceByPath;
        }
        return null;
    }

    @Override
    protected Resource getResourceByPath(String path) {
        int index = path.indexOf("plugin:");
        if (index != 0) {
            return super.getResourceByPath(path);
        }

        path = path.substring("plugin:".length());
        String pluginPath = "";
        try {
            Enumeration<URL> resources = getBundle().getResources("/");
            while (resources.hasMoreElements()) {
                URL url = resources.nextElement();
                if (!url.getPath().endsWith("-INF")) {
                    pluginPath = url.getPath();
                    break;
                }
            }
        } catch (IOException e) {
            log.error("Error getting resources by path", e);
        }

        Resource resourceByPath = super.getResourceByPath("classpath:" + pluginPath + "/" + path);
        if (resourceByPath != null) {
            return resourceByPath;
        }
        return null;
    }

    static {
        log = LoggerFactory.getLogger(PentahoOsgiBundleXmlApplicationContext.class);
    }

}