| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| OptionMapLoader.java | 75% | 85.7% | 100% | 84.6% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.drjava.config; | |
| 38 | import edu.rice.cs.util.UnexpectedException; | |
| 39 | ||
| 40 | import java.util.Properties; | |
| 41 | import java.io.*; | |
| 42 | import java.lang.reflect.*; | |
| 43 | public class OptionMapLoader implements OptionConstants { | |
| 44 | ||
| 45 | /** bag of default options (programmatically defined, instead of in an options file) */ | |
| 46 | private static final DefaultOptionMap DEFAULTS = new DefaultOptionMap(); | |
| 47 | private static final Properties DEFAULT_STRINGS = new Properties(); | |
| 48 | private static volatile Field[] fields = OptionConstants.class.getDeclaredFields(); | |
| 49 | ||
| 50 | static { | |
| 51 | // initialize DEFAULTS objects, based on OptionConstants using reflection. | |
| 52 | 117 | for (int i = 0; i < fields.length; i++) { |
| 53 | 43992 | Field field = fields[i]; |
| 54 | 43992 | int mods = field.getModifiers(); |
| 55 | 43992 | if (Modifier.isStatic(mods) && Modifier.isPublic(mods) && Modifier.isFinal(mods)) { |
| 56 | // field is public static and final. | |
| 57 | 43992 | Option<?> option; |
| 58 | 43992 | try { |
| 59 | 43992 | Object o = field.get(null); // we should be able to pass in null as the 'receiver', since it's static. |
| 60 | //System.out.println("field name: " + field.getName() + " o: " + o); | |
| 61 | 43992 | if (o == null || !(o instanceof Option<?>)) { |
| 62 | 4914 | continue; // Development options can be null in the stable version of the code |
| 63 | } | |
| 64 | ||
| 65 | 39078 | option = (Option<?>) o; |
| 66 | } | |
| 67 | catch(IllegalAccessException e) { | |
| 68 | // this cannot happen, since we don't get in here unless the field is public. | |
| 69 | 0 | throw new UnexpectedException(e); |
| 70 | } | |
| 71 | ||
| 72 | 39078 | String sval = option.getDefaultString(); |
| 73 | 39078 | DEFAULT_STRINGS.setProperty(option.name, sval); |
| 74 | 39078 | DEFAULTS.setString(option, sval); |
| 75 | } | |
| 76 | } | |
| 77 | } | |
| 78 | ||
| 79 | /** Default OptionMapLoader. */ | |
| 80 | public static final OptionMapLoader DEFAULT = new OptionMapLoader(DEFAULT_STRINGS); | |
| 81 | ||
| 82 | /** Creates an OptionMapLoader from a given input stream. Does not maintain a reference to this input stream. | |
| 83 | * @param is the input stream to read. | |
| 84 | */ | |
| 85 | 826 | public OptionMapLoader(InputStream is) throws IOException { |
| 86 | 826 | this(new Properties(DEFAULT_STRINGS)); |
| 87 | 826 | try { prop.load(is); } |
| 88 | 826 | finally { is.close(); } |
| 89 | } | |
| 90 | ||
| 91 | private final Properties prop; | |
| 92 | ||
| 93 | 943 | private OptionMapLoader(Properties prop) { |
| 94 | 943 | this.prop = prop; |
| 95 | } | |
| 96 | ||
| 97 | 1058 | public void loadInto(OptionMap map) { |
| 98 | 1058 | java.util.ArrayList<OptionParseException> es = new java.util.ArrayList<OptionParseException>(); |
| 99 | 1058 | for (OptionParser<?> option : DEFAULTS.keys()) { |
| 100 | 353372 | try { |
| 101 | 353372 | String val = prop.getProperty(option.name); |
| 102 | 353372 | map.setString(option, val); |
| 103 | } | |
| 104 | catch(OptionParseException ope) { | |
| 105 | 0 | es.add(ope); |
| 106 | 0 | map.setString(option, DEFAULT.prop.getProperty(option.name)); |
| 107 | } | |
| 108 | } | |
| 109 | 0 | if (es.size() > 0) throw new OptionParseException(es.toArray(new OptionParseException[0])); |
| 110 | } | |
| 111 | } |
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