001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements. See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership. The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the  "License");
007     * you may not use this file except in compliance with the License.
008     * You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    /*
019     * $Id: OutputPropertyUtils.java 468654 2006-10-28 07:09:23Z minchau $
020     */
021    package org.apache.xml.serializer;
022    
023    import java.util.Properties;
024    
025    /**
026     * This class contains some static methods that act as helpers when parsing a
027     * Java Property object.
028     * 
029     * This class is not a public API. 
030     * It is only public because it is used outside of this package.
031     * 
032     * @see java.util.Properties
033     * @xsl.usage internal
034     */
035    public final class OutputPropertyUtils
036    {
037        /**
038          * Searches for the boolean property with the specified key in the property list.
039          * If the key is not found in this property list, the default property list,
040          * and its defaults, recursively, are then checked. The method returns
041          * <code>false</code> if the property is not found, or if the value is other
042          * than "yes".
043          *
044          * @param   key   the property key.
045          * @param   props   the list of properties that will be searched.
046          * @return  the value in this property list as a boolean value, or false
047          * if null or not "yes".
048          */
049        public static boolean getBooleanProperty(String key, Properties props)
050        {
051    
052            String s = props.getProperty(key);
053    
054            if (null == s || !s.equals("yes"))
055                return false;
056            else
057                return true;
058        }
059    
060        /**
061         * Searches for the int property with the specified key in the property list.
062         * If the key is not found in this property list, the default property list,
063         * and its defaults, recursively, are then checked. The method returns
064         * <code>false</code> if the property is not found, or if the value is other
065         * than "yes".
066         *
067         * @param   key   the property key.
068         * @param   props   the list of properties that will be searched.
069         * @return  the value in this property list as a int value, or 0
070         * if null or not a number.
071         */
072        public static int getIntProperty(String key, Properties props)
073        {
074    
075            String s = props.getProperty(key);
076    
077            if (null == s)
078                return 0;
079            else
080                return Integer.parseInt(s);
081        }
082    
083    }