Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java @ 4641:f3325079dacc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Improve the up and down arrows in the theme navigation panel Don't stretch the arrow icons and fit to their actual size. Also put the up buttons on the left and the down buttons on the right.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 04 Dec 2012 16:16:43 +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 :
http://dive4elements.wald.intevation.org