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1
5 package org.h2.engine;
6
7 import java.sql.SQLException  ;
8
9 import org.h2.message.Message;
10 import org.h2.message.Trace;
11 import org.h2.table.Table;
12
13 public class Right extends DbObject {
14
15 public static final int SELECT = 1, DELETE = 2, INSERT = 4, UPDATE = 8, ALL = 15;
16
17 private Role grantedRole;
18 private int grantedRight;
19 private Table grantedTable;
20 private RightOwner grantee;
21
22 public Right(Database db, int id, RightOwner grantee, Role grantedRole) {
23 super(db, id, "RIGHT_"+id, Trace.USER);
24 this.grantee = grantee;
25 this.grantedRole = grantedRole;
26 }
27
28 public Right(Database db, int id, RightOwner grantee, int grantedRight, Table grantedRightOnTable) {
29 super(db, id, ""+id, Trace.USER);
30 this.grantee = grantee;
31 this.grantedRight = grantedRight;
32 this.grantedTable = grantedRightOnTable;
33 }
34
35 private boolean appendRight(StringBuffer buff, int right, int mask, String name, boolean comma) {
36 if((right & mask) != 0) {
37 if(comma) {
38 buff.append(", ");
39 }
40 buff.append(name);
41 return true;
42 }
43 return comma;
44 }
45
46 public String getRights() {
47 StringBuffer buff = new StringBuffer ();
48 if(grantedRight == ALL) {
49 buff.append("ALL");
50 } else {
51 boolean comma = false;
52 comma = appendRight(buff, grantedRight, SELECT, "SELECT", comma);
53 comma = appendRight(buff, grantedRight, DELETE, "DELETE", comma);
54 comma = appendRight(buff, grantedRight, INSERT, "INSERT", comma);
55 appendRight(buff, grantedRight, UPDATE, "UPDATE", comma);
56 }
57 return buff.toString();
58 }
59
60 public Role getGrantedRole() {
61 return grantedRole;
62 }
63
64 public Table getGrantedTable() {
65 return grantedTable;
66 }
67
68 public DbObject getGrantee() {
69 return grantee;
70 }
71
72 public String getCreateSQLForCopy(Table table, String quotedName) {
73 StringBuffer buff = new StringBuffer ();
74 buff.append("GRANT ");
75 if(grantedRole != null) {
76 buff.append(grantedRole.getSQL());
77 } else {
78 buff.append(getRights());
79 buff.append(" ON ");
80 buff.append(table.getSQL());
81 }
82 buff.append(" TO ");
83 buff.append(grantee.getSQL());
85 return buff.toString();
86 }
87
88 public String getCreateSQL() {
89 return getCreateSQLForCopy(grantedTable, null);
90 }
91
92 public int getType() {
93 return DbObject.RIGHT;
94 }
95
96 public void removeChildrenAndResources(Session session) throws SQLException {
97 if(grantedTable != null) {
98 grantee.revokeRight(grantedTable);
99 } else {
100 grantee.revokeRole(session, grantedRole);
101 }
102 grantedRole = null;
103 grantedTable = null;
104 grantee = null;
105 invalidate();
106 }
107
108 public void checkRename() throws SQLException {
109 throw Message.getInternalError();
110 }
111
112 public void setRightMask(int rightMask) {
113 grantedRight = rightMask;
114 }
115
116 public int getRightMask() {
117 return grantedRight;
118 }
119
120 }
121 |
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