Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java @ 4909:67bbcee26e21
Insert CR at the of each line in AT-extport.
author | Raimund Renkert <rrenkert@intevation.de> |
---|---|
date | Wed, 30 Jan 2013 14:39:28 +0100 |
parents | 475dd07c2cb1 |
children |
rev | line source |
---|---|
2575
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
1 package de.intevation.flys.exports; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
2 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
3 import au.com.bytecode.opencsv.CSVWriter; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
4 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
5 import java.util.ArrayList; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
6 import java.util.Arrays; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
7 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
8 /** |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
9 * Class to overcome shortcoming of CSVWriter to accept String-Arrays only. |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
10 * The StepCSVWriter buffers incoming values, such that rows in a csv can be |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
11 * created more dynamically. Do not forget to call flush(). |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
12 */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
13 public class StepCSVWriter { |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
14 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
15 /** Writer to use when calling flush. */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
16 CSVWriter writer = null; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
17 /** Buffer of strings (values). */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
18 ArrayList<String> buffer; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
19 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
20 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
21 /** Trivial constructor. */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
22 public StepCSVWriter() { |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
23 buffer = new ArrayList<String>(); |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
24 } |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
25 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
26 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
27 /** Set writer. */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
28 public void setCSVWriter(CSVWriter writer) { |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
29 this.writer = writer; |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
30 } |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
31 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
32 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
33 /** Add a value to next flush. */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
34 public void addNext(String value) { |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
35 buffer.add(value); |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
36 } |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
37 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
38 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
39 /** Add many values to next flush. */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
40 public void addNexts(String ... values) { |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
41 buffer.addAll(Arrays.asList(values)); |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
42 } |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
43 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
44 |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
45 /** Write the row with csvwriter. */ |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
46 public void flush() { |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
47 writer.writeNext(buffer.toArray(new String[buffer.size()])); |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
48 buffer.clear(); |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
49 } |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
50 } |
475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
51 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |