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      1 /*
      2  * Licensed to the Apache Software Foundation (ASF) under one
      3  * or more contributor license agreements. See the NOTICE file
      4  * distributed with this work for additional information
      5  * regarding copyright ownership. The ASF licenses this file
      6  * to you under the Apache License, Version 2.0 (the  "License");
      7  * you may not use this file except in compliance with the License.
      8  * You may obtain a copy of the License at
      9  *
     10  *     http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software
     13  * distributed under the License is distributed on an "AS IS" BASIS,
     14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  * See the License for the specific language governing permissions and
     16  * limitations under the License.
     17  */
     18 /*
     19  * $Id: OutputPropertyUtils.java 468654 2006-10-28 07:09:23Z minchau $
     20  */
     21 package org.apache.xml.serializer;
     22 
     23 import java.util.Properties;
     24 
     25 /**
     26  * This class contains some static methods that act as helpers when parsing a
     27  * Java Property object.
     28  *
     29  * This class is not a public API.
     30  * It is only public because it is used outside of this package.
     31  *
     32  * @see java.util.Properties
     33  * @xsl.usage internal
     34  */
     35 public final class OutputPropertyUtils
     36 {
     37     /**
     38       * Searches for the boolean property with the specified key in the property list.
     39       * If the key is not found in this property list, the default property list,
     40       * and its defaults, recursively, are then checked. The method returns
     41       * <code>false</code> if the property is not found, or if the value is other
     42       * than "yes".
     43       *
     44       * @param   key   the property key.
     45       * @param   props   the list of properties that will be searched.
     46       * @return  the value in this property list as a boolean value, or false
     47       * if null or not "yes".
     48       */
     49     public static boolean getBooleanProperty(String key, Properties props)
     50     {
     51 
     52         String s = props.getProperty(key);
     53 
     54         if (null == s || !s.equals("yes"))
     55             return false;
     56         else
     57             return true;
     58     }
     59 
     60     /**
     61      * Searches for the int property with the specified key in the property list.
     62      * If the key is not found in this property list, the default property list,
     63      * and its defaults, recursively, are then checked. The method returns
     64      * <code>false</code> if the property is not found, or if the value is other
     65      * than "yes".
     66      *
     67      * @param   key   the property key.
     68      * @param   props   the list of properties that will be searched.
     69      * @return  the value in this property list as a int value, or 0
     70      * if null or not a number.
     71      */
     72     public static int getIntProperty(String key, Properties props)
     73     {
     74 
     75         String s = props.getProperty(key);
     76 
     77         if (null == s)
     78             return 0;
     79         else
     80             return Integer.parseInt(s);
     81     }
     82 
     83 }
     84