Mercurial > dive4elements > river
changeset 2575:475dd07c2cb1
New utility to handle more dynamically long csv exported rows.
flys-artifacts/trunk@4113 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Mon, 05 Mar 2012 09:53:30 +0000 |
parents | 3598690dc9e2 |
children | 0611ae467e4a |
files | flys-artifacts/ChangeLog flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java |
diffstat | 2 files changed, 56 insertions(+), 0 deletions(-) [+] |
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--- a/flys-artifacts/ChangeLog Thu Mar 01 14:52:15 2012 +0000 +++ b/flys-artifacts/ChangeLog Mon Mar 05 09:53:30 2012 +0000 @@ -1,3 +1,8 @@ +2012-03-05 Felix Wolfsteller <felix.wolfsteller@intevation.de> + + * src/main/java/de/intevation/flys/exports/StepCSVWriter.java: + New utility to handle csv rows of more "dynamical" length. + 2012-03-01 Felix Wolfsteller <felix.wolfsteller@intevation.de> Fix flys/issue501 (manual points have two legend entries).
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java Mon Mar 05 09:53:30 2012 +0000 @@ -0,0 +1,51 @@ +package de.intevation.flys.exports; + +import au.com.bytecode.opencsv.CSVWriter; + +import java.util.ArrayList; +import java.util.Arrays; + +/** + * Class to overcome shortcoming of CSVWriter to accept String-Arrays only. + * The StepCSVWriter buffers incoming values, such that rows in a csv can be + * created more dynamically. Do not forget to call flush(). + */ +public class StepCSVWriter { + + /** Writer to use when calling flush. */ + CSVWriter writer = null; + /** Buffer of strings (values). */ + ArrayList<String> buffer; + + + /** Trivial constructor. */ + public StepCSVWriter() { + buffer = new ArrayList<String>(); + } + + + /** Set writer. */ + public void setCSVWriter(CSVWriter writer) { + this.writer = writer; + } + + + /** Add a value to next flush. */ + public void addNext(String value) { + buffer.add(value); + } + + + /** Add many values to next flush. */ + public void addNexts(String ... values) { + buffer.addAll(Arrays.asList(values)); + } + + + /** Write the row with csvwriter. */ + public void flush() { + writer.writeNext(buffer.toArray(new String[buffer.size()])); + buffer.clear(); + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :