1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tuscany.das.rdb.impl;
import java.util.HashMap;
import java.util.Iterator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.tuscany.das.rdb.util.DebugUtil;
public class QueryString {
private final String unmodifiedQueryString;
private final String preparedString;
private HashMap parameters = new HashMap();
private static final boolean debug = false;
public QueryString(String originalString) {
this.unmodifiedQueryString = originalString;
this.preparedString = replaceNamesAndSetIndexes(originalString);
}
public String getPreparedString() {
return this.preparedString;
}
public String getUnmodifiedString() {
return this.unmodifiedQueryString;
}
public int getParameterIndex(String name) {
DebugUtil.debugln(getClass(), debug, "Looking for parameter index for: " + name);
//System.out.println(toString());
return ((Integer)parameters.get(name)).intValue();
}
private String replaceNamesAndSetIndexes(String query) {
DebugUtil.debugln(getClass(), debug, "Parameterizing query: " + query);
Pattern p = Pattern.compile(":[\\S&&[^,()]]*");
Matcher m = p.matcher(query);
int index = 1;
while (m.find()) {
parameters.put(m.group().substring(1), new Integer(index));
query = m.replaceFirst("?");
m = p.matcher(query);
index++;
}
DebugUtil.debugln(getClass(), debug, "Parameterized query: " + query);
return query;
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("\nOriginal SQL: ");
buffer.append(unmodifiedQueryString);
buffer.append("\nPrepared SQL: ");
buffer.append(preparedString);
buffer.append("\nParameters: ");
Iterator i = parameters.keySet().iterator();
while ( i.hasNext() ) {
String key = (String)i.next();
buffer.append("\n");
buffer.append(key);
}
return buffer.toString();
}
}
|
