kopia lustrzana https://github.com/onthegomap/planetiler
113 wiersze
3.3 KiB
Java
113 wiersze
3.3 KiB
Java
package com.onthegomap.planetiler.util;
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import java.util.Map;
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import java.util.regex.Pattern;
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/**
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* Utilities to parse values from strings.
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*/
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public class Parse {
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private Parse() {}
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private static final Pattern INT_SUBSTRING_PATTERN = Pattern.compile("^(-?\\d+)(\\D|$)");
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private static final Pattern TO_ROUND_INT_SUBSTRING_PATTERN = Pattern.compile("^(-?[\\d.]+)(\\D|$)");
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/** Returns {@code tag} as a long or null if invalid. */
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public static Long parseLongOrNull(Object tag) {
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try {
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return tag == null ? null : tag instanceof Number number ? number.longValue() : Long.parseLong(tag.toString());
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} catch (NumberFormatException e) {
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return null;
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}
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}
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/** Returns {@code tag} as a long or 0 if invalid. */
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public static long parseLong(Object tag) {
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try {
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return tag == null ? 0 : tag instanceof Number number ? number.longValue() : Long.parseLong(tag.toString());
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} catch (NumberFormatException e) {
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return 0;
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}
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}
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/** Returns {@code tag} as an integer or null if invalid, ignoring any non-numeric suffix. */
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public static Integer parseIntSubstring(String tag) {
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if (tag == null) {
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return null;
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}
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try {
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var matcher = INT_SUBSTRING_PATTERN.matcher(tag);
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return matcher.find() ? Integer.parseInt(matcher.group(1)) : null;
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} catch (NumberFormatException e) {
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return null;
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}
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}
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/** Returns {@code tag} as a number rounded to the nearest integer or null if invalid. */
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public static Integer parseRoundInt(Object tag) {
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if (tag == null) {
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return null;
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}
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try {
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var matcher = TO_ROUND_INT_SUBSTRING_PATTERN.matcher(tag.toString());
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return matcher.find() ? Math.round(Float.parseFloat(matcher.group(1))) : null;
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} catch (NumberFormatException e) {
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return null;
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}
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}
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/** Returns {@code tag} as an integer or null if invalid. */
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public static Integer parseIntOrNull(Object tag) {
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if (tag instanceof Number num) {
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return num.intValue();
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}
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if (!(tag instanceof String)) {
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return null;
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}
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try {
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return Integer.parseInt(tag.toString());
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} catch (NumberFormatException e) {
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return null;
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}
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}
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/** Returns {@code tag} parsed as a boolean. */
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public static boolean bool(Object tag) {
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return Imposm3Parsers.bool(tag);
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}
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/** Returns {@code tag} parsed as an integer where 1 is true, 0 is false. */
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public static int boolInt(Object tag) {
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return Imposm3Parsers.boolInt(tag);
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}
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/** Returns {@code tag} parsed as an integer where 1 is true, 0 is false. */
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public static int direction(Object input) {
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return Imposm3Parsers.direction(input);
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}
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/**
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* Returns {@code tag} for an OSM road based on the tags that are present. Bridges are above roads appear above
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* tunnels and major roads appear above minor.
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*/
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public static int wayzorder(Map<String, Object> tags) {
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return Imposm3Parsers.wayzorder(tags);
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}
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/** Returns {@code tag} as a double or null if invalid. */
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public static Double parseDoubleOrNull(Object value) {
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if (value instanceof Number num) {
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return num.doubleValue();
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}
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if (value == null) {
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return null;
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}
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try {
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return Double.parseDouble(value.toString());
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} catch (NumberFormatException e) {
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return null;
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}
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}
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}
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