Coverage Report - org.apache.commons.cli2.option.OptionImpl
 
Classes in this File Line Coverage Branch Coverage Complexity
OptionImpl
90%
48/53
83%
30/36
2.786
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *     http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.commons.cli2.option;
 18  
 
 19  
 import java.util.Iterator;
 20  
 import java.util.ListIterator;
 21  
 import java.util.Set;
 22  
 
 23  
 import org.apache.commons.cli2.DisplaySetting;
 24  
 import org.apache.commons.cli2.Option;
 25  
 import org.apache.commons.cli2.WriteableCommandLine;
 26  
 import org.apache.commons.cli2.resource.ResourceConstants;
 27  
 import org.apache.commons.cli2.resource.ResourceHelper;
 28  
 
 29  
 /**
 30  
  * A base implementation of Option providing limited ground work for further
 31  
  * Option implementations.
 32  
  */
 33  
 public abstract class OptionImpl implements Option {
 34  
     private final int id;
 35  
     private final boolean required;
 36  
     private Option parent;
 37  
 
 38  
     /**
 39  
      * Creates an OptionImpl with the specified id
 40  
      * @param id the unique id of this Option
 41  
      * @param required true iff this Option must be present
 42  
      */
 43  
     public OptionImpl(final int id,
 44  2153
                       final boolean required) {
 45  2153
         this.id = id;
 46  2153
         this.required = required;
 47  2153
     }
 48  
 
 49  
     public boolean canProcess(final WriteableCommandLine commandLine,
 50  
                               final ListIterator arguments) {
 51  174
         if (arguments.hasNext()) {
 52  103
             final String argument = (String) arguments.next();
 53  103
             arguments.previous();
 54  
 
 55  103
             return canProcess(commandLine, argument);
 56  
         } else {
 57  71
             return false;
 58  
         }
 59  
     }
 60  
 
 61  
     public String toString() {
 62  2
         final StringBuffer buffer = new StringBuffer();
 63  2
         appendUsage(buffer, DisplaySetting.ALL, null);
 64  
 
 65  2
         return buffer.toString();
 66  
     }
 67  
 
 68  
     public int getId() {
 69  7272
         return id;
 70  
     }
 71  
 
 72  
     public boolean equals(final Object thatObj) {
 73  2221
         if (thatObj instanceof OptionImpl) {
 74  2221
             final OptionImpl that = (OptionImpl) thatObj;
 75  
 
 76  2221
             return (getId() == that.getId()) &&
 77  
                    equals(getPreferredName(), that.getPreferredName()) &&
 78  
                    equals(getDescription(), that.getDescription()) &&
 79  
                    equals(getPrefixes(), that.getPrefixes()) &&
 80  
                    equals(getTriggers(), that.getTriggers());
 81  
         } else {
 82  0
             return false;
 83  
         }
 84  
     }
 85  
 
 86  
     private boolean equals(Object left,
 87  
                            Object right) {
 88  4294
         if ((left == null) && (right == null)) {
 89  693
             return true;
 90  3601
         } else if ((left == null) || (right == null)) {
 91  423
             return false;
 92  
         } else {
 93  3178
             return left.equals(right);
 94  
         }
 95  
     }
 96  
 
 97  
     public int hashCode() {
 98  2823
         int hashCode = getId();
 99  2823
         if (getPreferredName() != null) {
 100  2823
             hashCode = (hashCode * 37) + getPreferredName().hashCode();
 101  
         }
 102  
 
 103  2823
         if (getDescription() != null) {
 104  1078
             hashCode = (hashCode * 37) + getDescription().hashCode();
 105  
         }
 106  
 
 107  2823
         hashCode = (hashCode * 37) + getPrefixes().hashCode();
 108  2823
         hashCode = (hashCode * 37) + getTriggers().hashCode();
 109  
 
 110  2823
         return hashCode;
 111  
     }
 112  
 
 113  
     public Option findOption(String trigger) {
 114  430
         if (getTriggers().contains(trigger)) {
 115  138
             return this;
 116  
         } else {
 117  292
             return null;
 118  
         }
 119  
     }
 120  
 
 121  
     public boolean isRequired() {
 122  637
         return required;
 123  
     }
 124  
 
 125  
     public void defaults(final WriteableCommandLine commandLine) {
 126  
         // nothing to do normally
 127  396
     }
 128  
 
 129  
     public Option getParent() {
 130  1034
         return parent;
 131  
     }
 132  
 
 133  
     public void setParent(Option parent) {
 134  1235
         this.parent = parent;
 135  1235
     }
 136  
 
 137  
     protected void checkPrefixes(final Set prefixes) {
 138  
         // nothing to do if empty prefix list
 139  1191
         if (prefixes.isEmpty()) {
 140  0
             return;
 141  
         }
 142  
 
 143  
         // check preferred name
 144  1191
         checkPrefix(prefixes, getPreferredName());
 145  
 
 146  
         // check triggers
 147  1191
         this.getTriggers();
 148  
 
 149  1191
         for (final Iterator i = getTriggers().iterator(); i.hasNext();) {
 150  1784
             checkPrefix(prefixes, (String) i.next());
 151  
         }
 152  1191
     }
 153  
 
 154  
     private void checkPrefix(final Set prefixes,
 155  
                              final String trigger) {
 156  2975
         for (final Iterator i = prefixes.iterator(); i.hasNext();) {
 157  3721
             String prefix = (String) i.next();
 158  
 
 159  3721
             if (trigger.startsWith(prefix)) {
 160  2975
                 return;
 161  
             }
 162  746
         }
 163  
 
 164  0
         final ResourceHelper helper = ResourceHelper.getResourceHelper();
 165  0
         final String message =
 166  
             helper.getMessage(ResourceConstants.OPTION_TRIGGER_NEEDS_PREFIX, trigger,
 167  
                               prefixes.toString());
 168  0
         throw new IllegalArgumentException(message);
 169  
     }
 170  
 }