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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.tools.ant.types.selectors;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Parameter;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.resources.FileResource;
import org.apache.tools.ant.types.resources.selectors.ResourceSelector;
import org.apache.tools.ant.util.FileUtils;
/**
* Selector that filters files/resources based on whether they contain a
* particular string.
*
* @since 1.5
*/
public class ContainsSelector extends BaseExtendSelector implements ResourceSelector {
private String contains = null;
private boolean casesensitive = true;
private boolean ignorewhitespace = false;
private String encoding = null;
/** Key to used for parameterized custom selector */
public static final String EXPRESSION_KEY = "expression";
/** Used for parameterized custom selector */
public static final String CONTAINS_KEY = "text";
/** Used for parameterized custom selector */
public static final String CASE_KEY = "casesensitive";
/** Used for parameterized custom selector */
public static final String WHITESPACE_KEY = "ignorewhitespace";
/**
* Creates a new <code>ContainsSelector</code> instance.
*
*/
public ContainsSelector() {
}
/**
* @return a string describing this object
*/
public String toString() {
StringBuilder buf = new StringBuilder("{containsselector text: ");
buf.append('"').append(contains).append('"');
buf.append(" casesensitive: ");
buf.append(casesensitive ? "true" : "false");
buf.append(" ignorewhitespace: ");
buf.append(ignorewhitespace ? "true" : "false");
buf.append("}");
return buf.toString();
}
/**
* The string to search for within a file.
*
* @param contains the string that a file must contain to be selected.
*/
public void setText(String contains) {
this.contains = contains;
}
/**
* The encoding of the resources processed
* @since Ant 1.9.0
* @param encoding encoding of the resources processed
*/
public void setEncoding(String encoding) {
this.encoding = encoding;
}
/**
* Whether to ignore case in the string being searched.
*
* @param casesensitive whether to pay attention to case sensitivity
*/
public void setCasesensitive(boolean casesensitive) {
this.casesensitive = casesensitive;
}
/**
* Whether to ignore whitespace in the string being searched.
*
* @param ignorewhitespace whether to ignore any whitespace
* (spaces, tabs, etc.) in the searchstring
*/
public void setIgnorewhitespace(boolean ignorewhitespace) {
this.ignorewhitespace = ignorewhitespace;
}
/**
* When using this as a custom selector, this method will be called.
* It translates each parameter into the appropriate setXXX() call.
*
* @param parameters the complete set of parameters for this selector
*/
public void setParameters(Parameter[] parameters) {
super.setParameters(parameters);
if (parameters != null) {
for (int i = 0; i < parameters.length; i++) {
String paramname = parameters[i].getName();
if (CONTAINS_KEY.equalsIgnoreCase(paramname)) {
setText(parameters[i].getValue());
} else if (CASE_KEY.equalsIgnoreCase(paramname)) {
setCasesensitive(Project.toBoolean(
parameters[i].getValue()));
} else if (WHITESPACE_KEY.equalsIgnoreCase(paramname)) {
setIgnorewhitespace(Project.toBoolean(
parameters[i].getValue()));
} else {
setError("Invalid parameter " + paramname);
}
}
}
}
/**
* Checks to make sure all settings are kosher. In this case, it
* means that the pattern attribute has been set.
*
*/
public void verifySettings() {
if (contains == null) {
setError("The text attribute is required");
}
}
/**
* The heart of the matter. This is where the selector gets to decide
* on the inclusion of a file in a particular fileset.
*
* @param basedir the base directory the scan is being done from
* @param filename is the name of the file to check
* @param file is a java.io.File object the selector can use
* @return whether the file should be selected or not
*/
public boolean isSelected(File basedir, String filename, File file) {
return isSelected(new FileResource(file));
}
/**
* The heart of the matter. This is where the selector gets to decide
* on the inclusion of a Resource.
*
* @param r the Resource to check.
* @return whether the Resource is selected.
*/
public boolean isSelected(Resource r) {
// throw BuildException on error
validate();
if (r.isDirectory() || contains.length() == 0) {
return true;
}
String userstr = contains;
if (!casesensitive) {
userstr = contains.toLowerCase();
}
if (ignorewhitespace) {
userstr = SelectorUtils.removeWhitespace(userstr);
}
BufferedReader in = null;
try {
if (encoding != null) {
in = new BufferedReader(new InputStreamReader(r.getInputStream(), encoding));
} else {
in = new BufferedReader(new InputStreamReader(r.getInputStream()));
}
} catch (Exception e) {
throw new BuildException("Could not get InputStream from "
+ r.toLongString(), e);
}
try {
String teststr = in.readLine();
while (teststr != null) {
if (!casesensitive) {
teststr = teststr.toLowerCase();
}
if (ignorewhitespace) {
teststr = SelectorUtils.removeWhitespace(teststr);
}
if (teststr.indexOf(userstr) > -1) {
return true;
}
teststr = in.readLine();
}
return false;
} catch (IOException ioe) {
throw new BuildException("Could not read " + r.toLongString());
} finally {
FileUtils.close(in);
}
}
}
|
