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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.cxf.common.util;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Replace by org.springframework.core.io.support.PropertiesLoaderUtils
 * when moving to Spring 2.0.
 *
 */
    
public final class PropertiesLoaderUtils {
    
    /**
     * Prevents instantiation.
     */
    private PropertiesLoaderUtils() {        
    }

    /**
     * Load all properties from the given class path resource, using the given
     * class loader.
     * 

* Merges properties if more than one resource of the same name found in the * class path. * * @param resourceName the name of the class path resource * @param classLoader the ClassLoader to use for loading (or * null to use the default class loader) * @return the populated Properties instance * @throws IOException if loading failed */ public static Properties loadAllProperties(String resourceName, ClassLoader classLoader) throws IOException { return loadAllProperties(resourceName, classLoader, null, null, null); } public static Properties loadAllProperties(String resourceName, ClassLoader classLoader, Logger logger, Level level, String msg) throws IOException { Properties properties = new Properties(); Enumeration urls = classLoader.getResources(resourceName); while (urls.hasMoreElements()) { URL url = urls.nextElement(); if (logger != null) { logger.log(level, msg, url.toString()); } InputStream is = null; try { is = url.openStream(); properties.loadFromXML(new BufferedInputStream(is)); } finally { if (is != null) { is.close(); } } } return properties; } /** * Retrieves the names of all properties that bind to the specified value. * * @param properties the properties to search * @param value the property value * @return the list of property names */ public static Collection getPropertyNames(Properties properties, String value) { Collection names = new ArrayList(); Enumeration e = properties.propertyNames(); while (e.hasMoreElements()) { String name = (String)e.nextElement(); if (value.equals(properties.getProperty(name))) { names.add(name); } } return names; } }





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