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1
22
23 package org.xquark.extractor.algebra;
24
25 import org.xquark.extractor.common.SqlWrapperException;
26
27 public final class CollectionName {
28
29 private static final String  RCSRevision = "$Revision: 1.4 $";
30 private static final String RCSName = "$Name: $";
31
32
33 private String _dataSource = null;
34 private String _catalog = null;
35 private String _schema = null;
36 private String _table = null;
37
38 public CollectionName(String source, String collection) throws SqlWrapperException{
39 _dataSource = source;
42 int index = -1;
43 String [] steps = new String [3];
44 int newIndex = -1;
45 int stepCursor = 0;
46 while (true) {
47 newIndex = collection.indexOf(".", index + 1);
48 if (-1 != newIndex) {
49 steps [stepCursor] = collection.substring(index + 1, newIndex);
50 if (0 ==steps [stepCursor].length()) {
51 throw new SqlWrapperException("Collection name string is not valid.");
52 }
53 index = newIndex;
54 stepCursor ++;
55 }
56 else {
57 steps [stepCursor] = collection.substring(index + 1, collection.length());
58 if (0 ==steps [stepCursor].length()) {
59 throw new SqlWrapperException("Collection name string is not valid.");
60 }
61 stepCursor ++;
62 break;
63 }
64 }
65 if (1 == stepCursor) {
66 _table = steps[0];
67 }
68 else if (2 == stepCursor) {
69 _schema = steps[0];
70 _table = steps[1];
71 }
72 else if (3 == stepCursor) {
73 _catalog = steps[0];
74 _schema = steps[1];
75 _table = steps[2];
76 }
77 else {
78 throw new SqlWrapperException("Collection name string is not valid.");
79 }
80 }
82
83 public String getDataSource() { return _dataSource;}
84
85 public String getCatalog() { return _catalog;}
86
87 public String getSchema() { return _schema; }
88 public void setSchema(String schema) { _schema = schema; }
89
90 public boolean dataSourceIsWildCard()
91 {
92 boolean retVal = false;
93 if (null != _dataSource){
94 if (_dataSource.equals("*")) {
95 retVal = true;
96 }
97 }
98 return retVal;
99 }
100
101 public boolean catalogIsWildCard()
102 {
103 boolean retVal = false;
104 if (null != _catalog){
105 if (_catalog.equals("*")) {
106 retVal = true;
107 }
108 }
109 return retVal;
110 }
111
112 public boolean schemaIsWildCard()
113 {
114 boolean retVal = false;
115 if (null != _schema){
116 if (_schema.equals("*")) {
117 retVal = true;
118 }
119 }
120 return retVal;
121 }
122
123 public boolean tableIsWildCard()
124 {
125 boolean retVal = false;
126 if (null != _table){
127 if (_table.equals("*")) {
128 retVal = true;
129 }
130 }
131 return retVal;
132 }
133
134 public String getTable() { return _table; }
135
136 public void setTable(String table) { _table = table; }
137
138 public String pprint() {
139
141 StringBuffer retVal = new StringBuffer ();
142 if (null != _dataSource) {
143 retVal.append(_dataSource);
144 retVal.append(":");
145 }
146
147 if (null != _catalog) {
148 retVal.append(_catalog);
149 retVal.append(".");
150 }
151
152 if (null != _schema) {
153 retVal.append(_schema);
154 retVal.append(".");
155 }
156
157 if (null != _table) {
158 retVal.append(_table);
159 retVal.append(".");
160 }
161
162 return retVal.toString();
164 }
165
166
171 public boolean equals(Object o) {
172 if (o instanceof CollectionName) {
173 CollectionName cast = (CollectionName) o;
174 return _dataSource.equalsIgnoreCase(cast.getDataSource())
175 && _catalog.equalsIgnoreCase(cast.getDataSource())
176 && _schema.equalsIgnoreCase(cast.getSchema())
177 && _table.equalsIgnoreCase(cast.getTable());
178 }
179 return false;
180 }
181 }
182 |
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