svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.dbf / src / main / java / org / gvsig / fmap / dal / store / dbf / utils / FieldFormatter.java @ 44767
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2020 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.dbf.utils; |
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import java.math.BigDecimal; |
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import java.math.MathContext; |
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import java.nio.BufferOverflowException; |
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import java.sql.Timestamp; |
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import java.text.FieldPosition; |
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import java.text.NumberFormat; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.Date; |
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import java.util.Locale; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.tools.logger.FilteredLogger; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author jjdelcerro
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*/
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@SuppressWarnings("UseSpecificCatch") |
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public class FieldFormatter { |
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private static final Logger LOGGER = LoggerFactory.getLogger(FieldFormatter.class); |
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public static final int TIME_SIZE = 6; |
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public static final int TIMESTAMP_SIZE = 14; |
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public static final int DATE_SIZE = 8; |
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public static final int BOOLEAN_SIZE = 1; |
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private static final SimpleDateFormat YYYYMMDD_DATE_FORMAT = new SimpleDateFormat("yyyyMMdd"); |
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private static final SimpleDateFormat HHMMSS_DATE_FORMAT = new SimpleDateFormat("HHmmss"); |
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private static final SimpleDateFormat YYYYMMDDHHMMSS_DATE_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss"); |
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private static final FieldPosition FIELDPOSITION = new FieldPosition(NumberFormat.INTEGER_FIELD); |
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private static final int MAXCHARS = 255; |
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private StringBuffer buffer; |
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private NumberFormat numberFormatter; |
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private FilteredLogger logger;
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public FieldFormatter() {
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} |
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private StringBuffer getBuffer() { |
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if (this.buffer == null) { |
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this.buffer = new StringBuffer(MAXCHARS); |
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} |
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return this.buffer; |
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} |
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private NumberFormat getNumberFormatter() { |
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if (this.numberFormatter == null) { |
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this.numberFormatter = NumberFormat.getNumberInstance(Locale.US); |
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// Avoid grouping on number format
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this.numberFormatter.setGroupingUsed(false); |
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} |
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return this.numberFormatter; |
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} |
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private FilteredLogger getLogger() {
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if (this.logger == null) { |
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this.logger = new FilteredLogger(LOGGER, "DBFFiledFormatter", -1); |
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this.logger.setInterval(2000); |
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} |
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return this.logger; |
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} |
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public String format(String s, int size) { |
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if (s.length() > size) {
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return s.substring(0, size); |
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} else {
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return s;
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} |
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} |
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public String format(boolean b) { |
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return b ? "T" : "F"; |
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} |
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public String formatDate(Date date) { |
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if (date == null) { |
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// yyyyMMdd
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return " "; |
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} |
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StringBuffer buf = this.getBuffer(); |
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buf.setLength(0); // Fast clear of buffer |
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YYYYMMDD_DATE_FORMAT.format(date, buf, FIELDPOSITION); |
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return buf.toString();
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} |
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public String formatTime(Date date) { |
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if (date == null) { |
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// HHMMSS
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return " "; |
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} |
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StringBuffer buf = this.getBuffer(); |
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buf.setLength(0); // Fast clear of buffer |
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HHMMSS_DATE_FORMAT.format(date, buf, FIELDPOSITION); |
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return buf.toString();
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} |
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public String formatTimestamp(Date date) { |
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if (date == null) { |
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// YYYYMMDDHHMMSS
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return " "; |
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} |
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StringBuffer buf = this.getBuffer(); |
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buf.setLength(0); // Fast clear of buffer |
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YYYYMMDDHHMMSS_DATE_FORMAT.format(date, buf, FIELDPOSITION); |
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return buf.toString();
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} |
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public String formatTimestamp(Timestamp timestamp) { |
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if (timestamp == null) { |
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// YYYYMMDDHHMMSS
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return " "; |
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} |
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StringBuffer buf = this.getBuffer(); |
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buf.setLength(0); // Fast clear of buffer |
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YYYYMMDDHHMMSS_DATE_FORMAT.format(timestamp, buf, FIELDPOSITION); |
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return buf.toString();
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} |
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public String format(byte n) { |
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StringBuffer buf = this.getBuffer(); |
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NumberFormat nf = this.getNumberFormatter(); |
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buf.setLength(0); // Fast clear of buffer |
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nf.setMaximumFractionDigits(0);
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nf.setMinimumFractionDigits(0);
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nf.format(n, buf, FIELDPOSITION); |
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String s = buf.toString();
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if (s.length() > 2) { |
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throw new BufferOverflowException(); |
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} |
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return s;
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} |
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public String format(int n, int size) { |
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StringBuffer buf = this.getBuffer(); |
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NumberFormat nf = this.getNumberFormatter(); |
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buf.setLength(0); // Fast clear of buffer |
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nf.setMaximumFractionDigits(0);
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nf.setMinimumFractionDigits(0);
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nf.format(n, buf, FIELDPOSITION); |
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String s = buf.toString();
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if (s.length() > size) {
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throw new BufferOverflowException(); |
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} |
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return s;
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} |
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public String format(long n, int size) { |
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StringBuffer buf = this.getBuffer(); |
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NumberFormat nf = this.getNumberFormatter(); |
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buf.setLength(0); // Fast clear of buffer |
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nf.setMaximumFractionDigits(0);
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nf.setMinimumFractionDigits(0);
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nf.format(n, buf, FIELDPOSITION); |
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String s = buf.toString();
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if (s.length() > size) {
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throw new BufferOverflowException(); |
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} |
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return s;
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} |
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public String format(BigDecimal n, int size) { |
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String s = n.toPlainString();
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if (s.length() > size) {
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throw new BufferOverflowException(); |
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} |
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return s;
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} |
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public String format(double n, int size, int scale) { |
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StringBuffer buf = this.getBuffer(); |
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NumberFormat nf = this.getNumberFormatter(); |
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buf.setLength(0); // Fast clear of buffer |
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nf.setMaximumFractionDigits(scale); |
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nf.format(n, buf, FIELDPOSITION); |
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String s = buf.toString();
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if (s.length() > size) {
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throw new BufferOverflowException(); |
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} |
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return s;
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} |
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public String format(float n, int size, int scale) { |
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StringBuffer buf = this.getBuffer(); |
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NumberFormat nf = this.getNumberFormatter(); |
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buf.setLength(0); // Fast clear of buffer |
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nf.setMaximumFractionDigits(scale); |
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nf.format(n, buf, FIELDPOSITION); |
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String s = buf.toString();
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if (s.length() > size) {
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throw new BufferOverflowException(); |
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} |
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return s;
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} |
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public String parseString(String value, String defaultValue) { |
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if (value == null || value.length() == 0) { |
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return defaultValue;
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} |
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return value;
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} |
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public BigDecimal parseDecimal(String value, MathContext context, int scale, BigDecimal defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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BigDecimal x = new BigDecimal(value, context); |
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x.setScale(scale, scale); |
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return x;
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} catch (Exception ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as BigDecimal.", ex); |
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return defaultValue;
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} |
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} |
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public Double parseDouble(String value, Double defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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Double x = Double.parseDouble(value); |
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return x;
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} catch (Exception ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as double.", ex); |
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return defaultValue;
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} |
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} |
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public Float parseFloat(String value, Float defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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Float x = Float.parseFloat(value); |
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return x;
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} catch (Exception ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as float.", ex); |
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return defaultValue;
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} |
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} |
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public Integer parseInt(String value, Integer defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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int x = Integer.parseInt(value); |
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return x;
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} catch (Exception ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as int.", ex); |
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return defaultValue;
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} |
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} |
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public Long parseLong(String value, Long defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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Long x = new Long(value); |
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return x;
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} catch (Exception ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as long.", ex); |
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return defaultValue;
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} |
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} |
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public Byte parseByte(String value, Byte defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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byte x = Byte.parseByte(value); |
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return x;
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} catch (Exception ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as byte.", ex); |
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return defaultValue;
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} |
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} |
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public Boolean parseBoolean(String value, Boolean defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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switch (value.trim().charAt(0)) { |
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case 'T': |
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case 't': |
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return true; |
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case 'F': |
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case 'f': |
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return false; |
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case ' ': |
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return null; |
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default:
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return defaultValue;
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} |
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} |
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public Date parseTimestamp(String value, Date defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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Date x = YYYYMMDDHHMMSS_DATE_FORMAT.parse(value);
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return new java.sql.Timestamp(x.getTime()); |
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} catch (ParseException ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as timestamp.", ex); |
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return defaultValue;
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} |
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} |
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public Date parseTime(String value, Date defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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Date x = HHMMSS_DATE_FORMAT.parse(value);
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return new java.sql.Time(x.getTime()); |
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} catch (ParseException ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as time.", ex); |
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return defaultValue;
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} |
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} |
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public Date parseDate(String value, Date defaultValue) { |
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if (StringUtils.isBlank(value)) {
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return defaultValue;
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} |
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try {
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Date x = YYYYMMDD_DATE_FORMAT.parse(value);
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return new java.sql.Date(x.getTime()); |
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} catch (ParseException ex) { |
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this.getLogger().warn("Can't parse value '" + value + "' as date.", ex); |
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return defaultValue;
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} |
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} |
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} |