Clover coverage report - Ant Coverage
Coverage timestamp: Tue Apr 8 2003 20:43:55 EST
file stats: LOC: 129   Methods: 3
NCLOC: 41   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
PropertyFileInputHandler.java 62.5% 80% 100% 76.9%
 1   
 /*
 2   
  * The Apache Software License, Version 1.1
 3   
  *
 4   
  * Copyright (c) 2002 The Apache Software Foundation.  All rights
 5   
  * reserved.
 6   
  *
 7   
  * Redistribution and use in source and binary forms, with or without
 8   
  * modification, are permitted provided that the following conditions
 9   
  * are met:
 10   
  *
 11   
  * 1. Redistributions of source code must retain the above copyright
 12   
  *    notice, this list of conditions and the following disclaimer.
 13   
  *
 14   
  * 2. Redistributions in binary form must reproduce the above copyright
 15   
  *    notice, this list of conditions and the following disclaimer in
 16   
  *    the documentation and/or other materials provided with the
 17   
  *    distribution.
 18   
  *
 19   
  * 3. The end-user documentation included with the redistribution, if
 20   
  *    any, must include the following acknowlegement:
 21   
  *       "This product includes software developed by the
 22   
  *        Apache Software Foundation (http://www.apache.org/)."
 23   
  *    Alternately, this acknowlegement may appear in the software itself,
 24   
  *    if and wherever such third-party acknowlegements normally appear.
 25   
  *
 26   
  * 4. The names "Ant" and "Apache Software
 27   
  *    Foundation" must not be used to endorse or promote products derived
 28   
  *    from this software without prior written permission. For written
 29   
  *    permission, please contact apache@apache.org.
 30   
  *
 31   
  * 5. Products derived from this software may not be called "Apache"
 32   
  *    nor may "Apache" appear in their names without prior written
 33   
  *    permission of the Apache Group.
 34   
  *
 35   
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 36   
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 37   
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 38   
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 39   
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 40   
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 41   
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 42   
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 43   
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 44   
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 45   
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 46   
  * SUCH DAMAGE.
 47   
  * ====================================================================
 48   
  *
 49   
  * This software consists of voluntary contributions made by many
 50   
  * individuals on behalf of the Apache Software Foundation.  For more
 51   
  * information on the Apache Software Foundation, please see
 52   
  * <http://www.apache.org/>.
 53   
  */
 54   
 
 55   
 package org.apache.tools.ant.input;
 56   
 
 57   
 import java.io.FileInputStream;
 58   
 import java.io.IOException;
 59   
 import java.util.Properties;
 60   
 import org.apache.tools.ant.BuildException;
 61   
 
 62   
 /**
 63   
  * Reads input from a property file, the file name is read from the
 64   
  * system property ant.input.properties, the prompt is the key for input.
 65   
  *
 66   
  * @author Stefan Bodewig
 67   
  * @version $Revision: 1.5 $
 68   
  * @since Ant 1.5
 69   
  */
 70   
 public class PropertyFileInputHandler implements InputHandler {
 71   
     private Properties props = null;
 72   
 
 73   
     /**
 74   
      * Name of the system property we expect to hold the file name.
 75   
      */
 76   
     public static final String FILE_NAME_KEY = "ant.input.properties";
 77   
 
 78   
     /**
 79   
      * Empty no-arg constructor.
 80   
      */
 81  7
     public PropertyFileInputHandler() {
 82   
     }
 83   
 
 84   
     /**
 85   
      * Picks up the input from a property, using the prompt as the
 86   
      * name of the property.
 87   
      *
 88   
      * @exception BuildException if no property of that name can be found.
 89   
      */
 90  5
     public void handleInput(InputRequest request) throws BuildException {
 91  5
         readProps();
 92   
         
 93  5
         Object o = props.get(request.getPrompt());
 94  5
         if (o == null) {
 95  0
             throw new BuildException("Unable to find input for \'"
 96   
                                      + request.getPrompt()+"\'");
 97   
         }
 98  5
         request.setInput(o.toString());
 99  5
         if (!request.isInputValid()) {
 100  1
             throw new BuildException("Found invalid input " + o
 101   
                                      + " for \'" + request.getPrompt() + "\'");
 102   
         }
 103   
     }
 104   
 
 105   
     /**
 106   
      * Reads the properties file if it hasn't already been read.
 107   
      */
 108  5
     private synchronized void readProps() throws BuildException {
 109  5
         if (props == null) {
 110  5
             String propsFile = System.getProperty(FILE_NAME_KEY);
 111  5
             if (propsFile == null) {
 112  0
                 throw new BuildException("System property "
 113   
                                          + FILE_NAME_KEY
 114   
                                          + " for PropertyFileInputHandler not"
 115   
                                          + " set");
 116   
             }
 117   
             
 118  5
             props = new Properties();
 119   
             
 120  5
             try {
 121  5
                 props.load(new FileInputStream(propsFile));
 122   
             } catch (IOException e) {
 123  0
                 throw new BuildException("Couldn't load " + propsFile, e);
 124   
             }
 125   
         }
 126   
     }
 127   
 
 128   
 }
 129