5194 |
04 Dec 09 |
nicklas |
1 |
/** |
5194 |
04 Dec 09 |
nicklas |
$Id$ |
5194 |
04 Dec 09 |
nicklas |
3 |
|
5194 |
04 Dec 09 |
nicklas |
Copyright (C) 2009 Nicklas Nordborg |
5194 |
04 Dec 09 |
nicklas |
5 |
|
5194 |
04 Dec 09 |
nicklas |
This file is part of BASE - BioArray Software Environment. |
5194 |
04 Dec 09 |
nicklas |
Available at http://base.thep.lu.se/ |
5194 |
04 Dec 09 |
nicklas |
8 |
|
5194 |
04 Dec 09 |
nicklas |
BASE is free software; you can redistribute it and/or |
5194 |
04 Dec 09 |
nicklas |
modify it under the terms of the GNU General Public License |
5194 |
04 Dec 09 |
nicklas |
as published by the Free Software Foundation; either version 3 |
5194 |
04 Dec 09 |
nicklas |
of the License, or (at your option) any later version. |
5194 |
04 Dec 09 |
nicklas |
13 |
|
5194 |
04 Dec 09 |
nicklas |
BASE is distributed in the hope that it will be useful, |
5194 |
04 Dec 09 |
nicklas |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
5194 |
04 Dec 09 |
nicklas |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
5194 |
04 Dec 09 |
nicklas |
GNU General Public License for more details. |
5194 |
04 Dec 09 |
nicklas |
18 |
|
5194 |
04 Dec 09 |
nicklas |
You should have received a copy of the GNU General Public License |
5194 |
04 Dec 09 |
nicklas |
along with BASE. If not, see <http://www.gnu.org/licenses/>. |
5194 |
04 Dec 09 |
nicklas |
21 |
*/ |
5194 |
04 Dec 09 |
nicklas |
22 |
package net.sf.basedb.util.bfs; |
5194 |
04 Dec 09 |
nicklas |
23 |
|
5384 |
13 Aug 10 |
nicklas |
24 |
import java.io.FileNotFoundException; |
5236 |
05 Feb 10 |
nicklas |
25 |
import java.io.FileOutputStream; |
5236 |
05 Feb 10 |
nicklas |
26 |
import java.io.IOException; |
5236 |
05 Feb 10 |
nicklas |
27 |
import java.io.OutputStream; |
5236 |
05 Feb 10 |
nicklas |
28 |
import java.io.OutputStreamWriter; |
5194 |
04 Dec 09 |
nicklas |
29 |
import java.io.Writer; |
7714 |
21 May 19 |
nicklas |
30 |
import java.nio.charset.StandardCharsets; |
5194 |
04 Dec 09 |
nicklas |
31 |
|
5236 |
05 Feb 10 |
nicklas |
32 |
import net.sf.basedb.core.File; |
5194 |
04 Dec 09 |
nicklas |
33 |
import net.sf.basedb.util.encode.TabCrLfEncoderDecoder; |
5194 |
04 Dec 09 |
nicklas |
34 |
import net.sf.basedb.util.export.TableWriter; |
5194 |
04 Dec 09 |
nicklas |
35 |
|
5194 |
04 Dec 09 |
nicklas |
36 |
/** |
5194 |
04 Dec 09 |
nicklas |
Writer implementation for writing BFS data files. A data file is |
5194 |
04 Dec 09 |
nicklas |
a matrix of data. Columns are separated by tabs. Values are escaped |
5194 |
04 Dec 09 |
nicklas |
using the regular rules ({@link TabCrLfEncoderDecoder}). All |
5194 |
04 Dec 09 |
nicklas |
rows must have an equal number of columns. The number of columns is |
5194 |
04 Dec 09 |
nicklas |
defined by the first call to {@link #bfsPrintData(Object...)} |
5194 |
04 Dec 09 |
nicklas |
or by calling {@link #setColumnCount(int)}. |
5194 |
04 Dec 09 |
nicklas |
43 |
|
5194 |
04 Dec 09 |
nicklas |
@author Nicklas |
5194 |
04 Dec 09 |
nicklas |
@version 2.15 |
5194 |
04 Dec 09 |
nicklas |
@base.modified $Date$ |
5194 |
04 Dec 09 |
nicklas |
47 |
*/ |
5194 |
04 Dec 09 |
nicklas |
48 |
public class DataWriter |
5194 |
04 Dec 09 |
nicklas |
49 |
extends TableWriter |
5194 |
04 Dec 09 |
nicklas |
50 |
{ |
5194 |
04 Dec 09 |
nicklas |
51 |
|
5236 |
05 Feb 10 |
nicklas |
52 |
/** |
5236 |
05 Feb 10 |
nicklas |
Utility method for creating a data writer when you have an |
5236 |
05 Feb 10 |
nicklas |
output stream. |
5236 |
05 Feb 10 |
nicklas |
@param out The output stream the writer should print to |
5236 |
05 Feb 10 |
nicklas |
@param filename Optional, the name of the file the output stream |
5236 |
05 Feb 10 |
nicklas |
is printing to |
5236 |
05 Feb 10 |
nicklas |
58 |
*/ |
5236 |
05 Feb 10 |
nicklas |
59 |
public static DataWriter create(OutputStream out, String filename) |
5236 |
05 Feb 10 |
nicklas |
60 |
{ |
5384 |
13 Aug 10 |
nicklas |
61 |
if (out == null) throw new NullPointerException("out"); |
5236 |
05 Feb 10 |
nicklas |
62 |
DataWriter writer = new DataWriter( |
7714 |
21 May 19 |
nicklas |
63 |
new OutputStreamWriter(out, StandardCharsets.UTF_8)); |
5236 |
05 Feb 10 |
nicklas |
64 |
writer.setFilename(filename); |
5236 |
05 Feb 10 |
nicklas |
65 |
return writer; |
5236 |
05 Feb 10 |
nicklas |
66 |
} |
5236 |
05 Feb 10 |
nicklas |
67 |
|
5236 |
05 Feb 10 |
nicklas |
68 |
/** |
5236 |
05 Feb 10 |
nicklas |
Utility method for creating a data writer to a file in the BASE |
5236 |
05 Feb 10 |
nicklas |
file system. The character set and MIME type on the file are automatically |
5236 |
05 Feb 10 |
nicklas |
updated. |
5236 |
05 Feb 10 |
nicklas |
@param file The file in the BASE file system |
5236 |
05 Feb 10 |
nicklas |
73 |
*/ |
5236 |
05 Feb 10 |
nicklas |
74 |
public static DataWriter create(File file) |
5236 |
05 Feb 10 |
nicklas |
75 |
{ |
5384 |
13 Aug 10 |
nicklas |
76 |
if (file == null) throw new NullPointerException("file"); |
5236 |
05 Feb 10 |
nicklas |
77 |
file.setCharacterSet("UTF-8"); |
5236 |
05 Feb 10 |
nicklas |
78 |
file.setMimeType("text/plain"); |
5236 |
05 Feb 10 |
nicklas |
79 |
return create(file.getUploadStream(false), file.getName()); |
5236 |
05 Feb 10 |
nicklas |
80 |
} |
5236 |
05 Feb 10 |
nicklas |
81 |
|
5236 |
05 Feb 10 |
nicklas |
82 |
/** |
5236 |
05 Feb 10 |
nicklas |
Utility method for creating a data writer to a file in the native |
5236 |
05 Feb 10 |
nicklas |
file system. If the file doesn't exists, it is created. |
5236 |
05 Feb 10 |
nicklas |
@param file The file in the native file system |
5236 |
05 Feb 10 |
nicklas |
86 |
*/ |
5236 |
05 Feb 10 |
nicklas |
87 |
public static DataWriter create(java.io.File file) |
5236 |
05 Feb 10 |
nicklas |
88 |
throws IOException |
5236 |
05 Feb 10 |
nicklas |
89 |
{ |
5384 |
13 Aug 10 |
nicklas |
90 |
if (file == null) throw new NullPointerException("file"); |
5384 |
13 Aug 10 |
nicklas |
91 |
if (!file.createNewFile() && !file.exists()) |
5384 |
13 Aug 10 |
nicklas |
92 |
{ |
5384 |
13 Aug 10 |
nicklas |
93 |
throw new FileNotFoundException(file.toString()); |
5384 |
13 Aug 10 |
nicklas |
94 |
} |
5236 |
05 Feb 10 |
nicklas |
95 |
return create(new FileOutputStream(file), file.getName()); |
5236 |
05 Feb 10 |
nicklas |
96 |
} |
5236 |
05 Feb 10 |
nicklas |
97 |
|
5198 |
15 Dec 09 |
nicklas |
98 |
private String filename; |
5194 |
04 Dec 09 |
nicklas |
99 |
private boolean lockedColumns; |
5194 |
04 Dec 09 |
nicklas |
100 |
private int columnCount = -1; |
5194 |
04 Dec 09 |
nicklas |
101 |
|
5194 |
04 Dec 09 |
nicklas |
102 |
/** |
5194 |
04 Dec 09 |
nicklas |
Create a new BFS data writer. |
5194 |
04 Dec 09 |
nicklas |
@param out The parent writer which this writer will print to |
5194 |
04 Dec 09 |
nicklas |
105 |
*/ |
5194 |
04 Dec 09 |
nicklas |
106 |
public DataWriter(Writer out) |
5194 |
04 Dec 09 |
nicklas |
107 |
{ |
5194 |
04 Dec 09 |
nicklas |
108 |
super(out); |
5194 |
04 Dec 09 |
nicklas |
109 |
super.setDataSeparator("\t"); |
5194 |
04 Dec 09 |
nicklas |
110 |
super.setNullValue(""); |
5194 |
04 Dec 09 |
nicklas |
111 |
super.setEncoder(new TabCrLfEncoderDecoder(false)); |
5194 |
04 Dec 09 |
nicklas |
112 |
} |
5194 |
04 Dec 09 |
nicklas |
113 |
|
5194 |
04 Dec 09 |
nicklas |
114 |
/** |
5198 |
15 Dec 09 |
nicklas |
Get the file name that this writer is printing to. |
5198 |
15 Dec 09 |
nicklas |
@return The file name or null if not known |
5198 |
15 Dec 09 |
nicklas |
117 |
*/ |
5198 |
15 Dec 09 |
nicklas |
118 |
public String getFilename() |
5198 |
15 Dec 09 |
nicklas |
119 |
{ |
5198 |
15 Dec 09 |
nicklas |
120 |
return filename; |
5198 |
15 Dec 09 |
nicklas |
121 |
} |
5198 |
15 Dec 09 |
nicklas |
122 |
|
5198 |
15 Dec 09 |
nicklas |
123 |
/** |
5198 |
15 Dec 09 |
nicklas |
Set the file name that this writer is printing to. |
5198 |
15 Dec 09 |
nicklas |
125 |
*/ |
5198 |
15 Dec 09 |
nicklas |
126 |
public void setFilename(String filename) |
5198 |
15 Dec 09 |
nicklas |
127 |
{ |
5198 |
15 Dec 09 |
nicklas |
128 |
this.filename = filename; |
5198 |
15 Dec 09 |
nicklas |
129 |
} |
5198 |
15 Dec 09 |
nicklas |
130 |
|
5198 |
15 Dec 09 |
nicklas |
131 |
/** |
5194 |
04 Dec 09 |
nicklas |
Get the number of data columns. This information is only |
5194 |
04 Dec 09 |
nicklas |
available after the first line of data has been printed |
5194 |
04 Dec 09 |
nicklas |
or if a specific number of columns has been set. |
5194 |
04 Dec 09 |
nicklas |
135 |
|
5194 |
04 Dec 09 |
nicklas |
@return The number of columns, or -1 if this information |
5194 |
04 Dec 09 |
nicklas |
is not yet known |
5194 |
04 Dec 09 |
nicklas |
138 |
*/ |
5194 |
04 Dec 09 |
nicklas |
139 |
public int getColumnCount() |
5194 |
04 Dec 09 |
nicklas |
140 |
{ |
5194 |
04 Dec 09 |
nicklas |
141 |
return columnCount; |
5194 |
04 Dec 09 |
nicklas |
142 |
} |
5194 |
04 Dec 09 |
nicklas |
143 |
|
5194 |
04 Dec 09 |
nicklas |
144 |
/** |
5194 |
04 Dec 09 |
nicklas |
Set the number of data columns. This can only be changed |
5194 |
04 Dec 09 |
nicklas |
as long as no data has been written to the stream. |
5194 |
04 Dec 09 |
nicklas |
@param columns The number of data columns, if 0 or negative the |
5194 |
04 Dec 09 |
nicklas |
first call to {@link #bfsPrintData(Object...)} determines |
5194 |
04 Dec 09 |
nicklas |
the number of columns |
5194 |
04 Dec 09 |
nicklas |
150 |
*/ |
5194 |
04 Dec 09 |
nicklas |
151 |
public void setColumnCount(int columns) |
5194 |
04 Dec 09 |
nicklas |
152 |
{ |
5194 |
04 Dec 09 |
nicklas |
153 |
if (lockedColumns) |
5194 |
04 Dec 09 |
nicklas |
154 |
{ |
5198 |
15 Dec 09 |
nicklas |
155 |
throw new IllegalStateException("Can't change the number of columns since data " + |
5198 |
15 Dec 09 |
nicklas |
156 |
"has already been written in file: " + getFilename()); |
5194 |
04 Dec 09 |
nicklas |
157 |
} |
5194 |
04 Dec 09 |
nicklas |
158 |
this.columnCount = columns; |
5194 |
04 Dec 09 |
nicklas |
159 |
} |
5194 |
04 Dec 09 |
nicklas |
160 |
|
5194 |
04 Dec 09 |
nicklas |
161 |
/** |
5194 |
04 Dec 09 |
nicklas |
Checks if the number of columns has been locked or not. The number |
5194 |
04 Dec 09 |
nicklas |
of required columns are locked the first time a call to |
5194 |
04 Dec 09 |
nicklas |
{@link #bfsPrintData(Object...)} is made. |
5194 |
04 Dec 09 |
nicklas |
165 |
*/ |
5194 |
04 Dec 09 |
nicklas |
166 |
public boolean isLockedColumns() |
5194 |
04 Dec 09 |
nicklas |
167 |
{ |
5194 |
04 Dec 09 |
nicklas |
168 |
return lockedColumns; |
5194 |
04 Dec 09 |
nicklas |
169 |
} |
5194 |
04 Dec 09 |
nicklas |
170 |
|
5194 |
04 Dec 09 |
nicklas |
171 |
/** |
5194 |
04 Dec 09 |
nicklas |
Print a data line. The number of columns must be the same for all calls |
5194 |
04 Dec 09 |
nicklas |
to this method. Normally, the first call determines the required number |
5194 |
04 Dec 09 |
nicklas |
of columns, but this can also be set with {@link #setColumnCount(int)}. |
5194 |
04 Dec 09 |
nicklas |
175 |
|
5194 |
04 Dec 09 |
nicklas |
@param data The data to print |
5194 |
04 Dec 09 |
nicklas |
@throws IllegalStateException If headers has not been printed |
5194 |
04 Dec 09 |
nicklas |
@throws IllegalArgumentException If the data array doesn't match the |
5194 |
04 Dec 09 |
nicklas |
required number of columns |
5194 |
04 Dec 09 |
nicklas |
@throws NullPointerException If the data array is null |
5194 |
04 Dec 09 |
nicklas |
181 |
*/ |
5194 |
04 Dec 09 |
nicklas |
182 |
public void bfsPrintData(Object... data) |
5194 |
04 Dec 09 |
nicklas |
183 |
{ |
5194 |
04 Dec 09 |
nicklas |
184 |
|
5198 |
15 Dec 09 |
nicklas |
185 |
if (data == null) throw new NullPointerException("'data' in file: " + getFilename()); |
5194 |
04 Dec 09 |
nicklas |
186 |
if (columnCount <= 0) columnCount = data.length; |
5194 |
04 Dec 09 |
nicklas |
187 |
if (data.length != columnCount) |
5194 |
04 Dec 09 |
nicklas |
188 |
{ |
5194 |
04 Dec 09 |
nicklas |
189 |
throw new IllegalArgumentException("Data array has " + data.length + " columns; " + |
5198 |
15 Dec 09 |
nicklas |
190 |
"; expected " + columnCount + " in file: " + getFilename()); |
5194 |
04 Dec 09 |
nicklas |
191 |
} |
5194 |
04 Dec 09 |
nicklas |
192 |
lockedColumns = true; |
5194 |
04 Dec 09 |
nicklas |
193 |
if (data.length > 0) |
5194 |
04 Dec 09 |
nicklas |
194 |
{ |
5194 |
04 Dec 09 |
nicklas |
195 |
tablePrintData(data); |
5194 |
04 Dec 09 |
nicklas |
196 |
} |
5194 |
04 Dec 09 |
nicklas |
197 |
else |
5194 |
04 Dec 09 |
nicklas |
198 |
{ |
5194 |
04 Dec 09 |
nicklas |
199 |
print("\n"); |
5194 |
04 Dec 09 |
nicklas |
200 |
} |
5194 |
04 Dec 09 |
nicklas |
201 |
} |
5194 |
04 Dec 09 |
nicklas |
202 |
|
5194 |
04 Dec 09 |
nicklas |
203 |
} |