/**
 *
 * 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.openejb.server.cxf;

import org.apache.cxf.Bus;
import org.apache.cxf.catalog.OASISCatalogManager;
import org.apache.xml.resolver.Catalog;
import org.apache.openejb.util.Logger;
import org.apache.openejb.util.LogCategory;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

public final class CxfCatalogUtils {
    private static final Logger logger = Logger.getInstance(LogCategory.CXF, CxfCatalogUtils.class);

    public static void loadOASISCatalog(Bus bus, URL baseURL, String catalogName) {
        if (baseURL == null) {
            logger.debug("baseUrl is not valid for catalog '" + catalogName + "'");
            return;
        }

        URL catalogURL = null;
        try {
            catalogURL = new URL(baseURL, catalogName);
            if (catalogURL != null) { // some catalog are no more provided by cxf
                logger.debug("Checking for " + catalogURL + " catalog.");
                catalogURL.openStream().close();
                loadOASISCatalog(bus, catalogURL);
            } else {
                logger.info("catalog '" + catalogName + "' not found");
            }
        } catch (MalformedURLException e) {
            logger.warning("Error constructing catalog URL: " + baseURL + " " + catalogName);
        } catch (FileNotFoundException e) {
            logger.debug("Catalog " + catalogURL + " is not present in the module");
        } catch (IOException e) {
            logger.warning("Failed to load catalog file: " + catalogURL, e);
        }
    }

    private static void loadOASISCatalog(Bus bus, URL catalogURL) {
        OASISCatalogManager catalog = new OASISCatalogManager();
        try {
            catalog.loadCatalog(catalogURL);
            logger.debug("Loaded " + catalogURL + " catalog.");
            bus.setExtension(catalog, OASISCatalogManager.class);
        } catch (IOException e) {
            logger.warning("Failed to load catalog file: " + catalogURL, e);
        }
    }
}
