1 package org.apache.commons.contract.descriptor;
2
3 import org.apache.commons.contract.constraints.Constraints;
4 import org.apache.commons.contract.i18n.ParameterBundle;
5
6 public class ParameterDescriptor extends Descriptor {
7 public final static ParameterDescriptor[] NO_PARAMETERS = new ParameterDescriptor[0];
8
9 protected Constraints constraints;
10 protected Object defaultValue;
11 protected boolean required;
12
13 public ParameterDescriptor(String name, ParameterBundle description, Constraints valueDescriptor) {
14 super(name, description);
15 this.constraints = valueDescriptor;
16 this.required = true;
17 }
18
19 public ParameterDescriptor(String name, ParameterBundle description, Constraints valueDescriptor, Object defaultValue) {
20 super(name, description);
21 this.constraints = valueDescriptor;
22 this.defaultValue = defaultValue;
23 this.required = false;
24 }
25
26 public boolean isRequired() {
27 return required;
28 }
29
30 public void setConstraints(Constraints valueDescriptor) {
31 this.constraints = valueDescriptor;
32 }
33
34 public Constraints getConstraints() {
35 return constraints;
36 }
37
38 public void setDefaultValue(Object defaultValue) {
39 this.defaultValue = defaultValue;
40 this.required = true;
41 }
42
43 public Object getDefaultValue() {
44 return defaultValue;
45 }
46
47 public boolean equals(Object o) {
48 if ( o instanceof ParameterDescriptor && ((ParameterDescriptor)o).getName().equals(getName())) return true;
49 return false;
50 }
51 }