org.argeo.slc.core/src/main/java/org/argeo/slc/ant/spring/MapArg.java

   1 package org.argeo.slc.ant.spring;
   2
   3 import java.util.List;
   4 import java.util.Map;
   5 import java.util.TreeMap;
   6 import java.util.Vector;
   7
   8 import org.apache.tools.ant.BuildException;
   9
  10 import org.argeo.slc.core.SlcException;
  11
  12 public class MapArg {
  13         private List<EntryArg> entries = new Vector<EntryArg>();
  14         private Map<String, Object> map = new TreeMap<String, Object>();
  15
  16         public EntryArg createEntry() {
  17                 EntryArg arg = new EntryArg();
  18                 entries.add(arg);
  19                 return arg;
  20         }
  21
  22         public Map<String, Object> getMap() {
  23                 if (map.size() == 0) {
  24                         for (EntryArg arg : entries) {
  25                                 String key = arg.getKey();
  26                                 if (map.containsKey(key)) {
  27                                         throw new SlcException("Key '" + key + "' already set.");
  28                                 } else {
  29                                         map.put(key, arg.getValueStr());
  30                                 }
  31                         }
  32                 }
  33                 return map;
  34         }
  35
  36         public static class EntryArg {
  37                 private String key;
  38                 private Object valueStr;
  39                 private OverrideArg overrideArg;
  40
  41                 public String getKey() {
  42                         return key;
  43                 }
  44
  45                 public void setKey(String key) {
  46                         this.key = key;
  47                 }
  48
  49                 public Object getValueStr() {
  50                         if (overrideArg != null) {
  51                                 return overrideArg.getObject();
  52                         } else if (valueStr != null) {
  53                                 return valueStr;
  54                         } else {
  55                                 throw new BuildException("Value not set.");
  56                         }
  57                 }
  58
  59                 public void setValue(String value) {
  60                         check();
  61                         this.valueStr = value;
  62                 }
  63
  64                 public OverrideArg createOverride() {
  65                         check();
  66                         overrideArg = new OverrideArg();
  67                         return overrideArg;
  68                 }
  69
  70                 private void check() {
  71                         if (valueStr != null || overrideArg != null) {
  72                                 throw new BuildException("Value already set");
  73                         }
  74                 }
  75         }
  76 }