1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.data.imagery;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.text.DecimalFormat;
|
---|
7 | import java.text.DecimalFormatSymbols;
|
---|
8 | import java.text.NumberFormat;
|
---|
9 | import java.util.Locale;
|
---|
10 | import java.util.Map;
|
---|
11 | import java.util.Set;
|
---|
12 | import java.util.TreeSet;
|
---|
13 | import java.util.concurrent.ConcurrentHashMap;
|
---|
14 | import java.util.regex.Matcher;
|
---|
15 | import java.util.regex.Pattern;
|
---|
16 |
|
---|
17 | import org.openstreetmap.gui.jmapviewer.interfaces.TemplatedTileSource;
|
---|
18 | import org.openstreetmap.josm.Main;
|
---|
19 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
20 | import org.openstreetmap.josm.data.projection.Projection;
|
---|
21 | import org.openstreetmap.josm.gui.layer.WMSLayer;
|
---|
22 | import org.openstreetmap.josm.tools.CheckParameterUtil;
|
---|
23 |
|
---|
24 | /**
|
---|
25 | * Tile Source handling WMS providers
|
---|
26 | *
|
---|
27 | * @author Wiktor Niesiobędzki
|
---|
28 | * @since 8526
|
---|
29 | */
|
---|
30 | public class TemplatedWMSTileSource extends AbstractWMSTileSource implements TemplatedTileSource {
|
---|
31 | private final Map<String, String> headers = new ConcurrentHashMap<>();
|
---|
32 | private final Set<String> serverProjections;
|
---|
33 | // CHECKSTYLE.OFF: SingleSpaceSeparator
|
---|
34 | private static final Pattern PATTERN_HEADER = Pattern.compile("\\{header\\(([^,]+),([^}]+)\\)\\}");
|
---|
35 | private static final Pattern PATTERN_PROJ = Pattern.compile("\\{proj\\}");
|
---|
36 | private static final Pattern PATTERN_WKID = Pattern.compile("\\{wkid\\}");
|
---|
37 | private static final Pattern PATTERN_BBOX = Pattern.compile("\\{bbox\\}");
|
---|
38 | private static final Pattern PATTERN_W = Pattern.compile("\\{w\\}");
|
---|
39 | private static final Pattern PATTERN_S = Pattern.compile("\\{s\\}");
|
---|
40 | private static final Pattern PATTERN_E = Pattern.compile("\\{e\\}");
|
---|
41 | private static final Pattern PATTERN_N = Pattern.compile("\\{n\\}");
|
---|
42 | private static final Pattern PATTERN_WIDTH = Pattern.compile("\\{width\\}");
|
---|
43 | private static final Pattern PATTERN_HEIGHT = Pattern.compile("\\{height\\}");
|
---|
44 | private static final Pattern PATTERN_PARAM = Pattern.compile("\\{([^}]+)\\}");
|
---|
45 | // CHECKSTYLE.ON: SingleSpaceSeparator
|
---|
46 |
|
---|
47 | private static final NumberFormat latLonFormat = new DecimalFormat("###0.0000000", new DecimalFormatSymbols(Locale.US));
|
---|
48 |
|
---|
49 | private static final Pattern[] ALL_PATTERNS = {
|
---|
50 | PATTERN_HEADER, PATTERN_PROJ, PATTERN_WKID, PATTERN_BBOX, PATTERN_W, PATTERN_S, PATTERN_E, PATTERN_N, PATTERN_WIDTH, PATTERN_HEIGHT
|
---|
51 | };
|
---|
52 |
|
---|
53 | /**
|
---|
54 | * Creates a tile source based on imagery info
|
---|
55 | * @param info imagery info
|
---|
56 | * @param tileProjection the tile projection
|
---|
57 | */
|
---|
58 | public TemplatedWMSTileSource(ImageryInfo info, Projection tileProjection) {
|
---|
59 | super(info, tileProjection);
|
---|
60 | this.serverProjections = new TreeSet<>(info.getServerProjections());
|
---|
61 | handleTemplate();
|
---|
62 | initProjection();
|
---|
63 | }
|
---|
64 |
|
---|
65 | @Override
|
---|
66 | public int getDefaultTileSize() {
|
---|
67 | return WMSLayer.PROP_IMAGE_SIZE.get();
|
---|
68 | }
|
---|
69 |
|
---|
70 | @Override
|
---|
71 | public String getTileUrl(int zoom, int tilex, int tiley) {
|
---|
72 | String myProjCode = getServerCRS();
|
---|
73 |
|
---|
74 | EastNorth nw = getTileEastNorth(tilex, tiley, zoom);
|
---|
75 | EastNorth se = getTileEastNorth(tilex + 1, tiley + 1, zoom);
|
---|
76 |
|
---|
77 | double w = nw.getX();
|
---|
78 | double n = nw.getY();
|
---|
79 |
|
---|
80 | double s = se.getY();
|
---|
81 | double e = se.getX();
|
---|
82 |
|
---|
83 | if ("EPSG:4326".equals(myProjCode) && !serverProjections.contains(myProjCode) && serverProjections.contains("CRS:84")) {
|
---|
84 | myProjCode = "CRS:84";
|
---|
85 | }
|
---|
86 |
|
---|
87 | // Bounding box coordinates have to be switched for WMS 1.3.0 EPSG:4326.
|
---|
88 | //
|
---|
89 | // Background:
|
---|
90 | //
|
---|
91 | // bbox=x_min,y_min,x_max,y_max
|
---|
92 | //
|
---|
93 | // SRS=... is WMS 1.1.1
|
---|
94 | // CRS=... is WMS 1.3.0
|
---|
95 | //
|
---|
96 | // The difference:
|
---|
97 | // For SRS x is east-west and y is north-south
|
---|
98 | // For CRS x and y are as specified by the EPSG
|
---|
99 | // E.g. [1] lists lat as first coordinate axis and lot as second, so it is switched for EPSG:4326.
|
---|
100 | // For most other EPSG code there seems to be no difference.
|
---|
101 | // CHECKSTYLE.OFF: LineLength
|
---|
102 | // [1] https://www.epsg-registry.org/report.htm?type=selection&entity=urn:ogc:def:crs:EPSG::4326&reportDetail=short&style=urn:uuid:report-style:default-with-code&style_name=OGP%20Default%20With%20Code&title=EPSG:4326
|
---|
103 | // CHECKSTYLE.ON: LineLength
|
---|
104 | boolean switchLatLon = false;
|
---|
105 | if (baseUrl.toLowerCase(Locale.US).contains("crs=epsg:4326")) {
|
---|
106 | switchLatLon = true;
|
---|
107 | } else if (baseUrl.toLowerCase(Locale.US).contains("crs=")) {
|
---|
108 | // assume WMS 1.3.0
|
---|
109 | switchLatLon = Main.getProjection().switchXY();
|
---|
110 | }
|
---|
111 | String bbox;
|
---|
112 | if (switchLatLon) {
|
---|
113 | bbox = String.format("%s,%s,%s,%s", latLonFormat.format(s), latLonFormat.format(w), latLonFormat.format(n), latLonFormat.format(e));
|
---|
114 | } else {
|
---|
115 | bbox = String.format("%s,%s,%s,%s", latLonFormat.format(w), latLonFormat.format(s), latLonFormat.format(e), latLonFormat.format(n));
|
---|
116 | }
|
---|
117 |
|
---|
118 | // Using StringBuffer and generic PATTERN_PARAM matcher gives 2x performance improvement over replaceAll
|
---|
119 | StringBuffer url = new StringBuffer(baseUrl.length());
|
---|
120 | Matcher matcher = PATTERN_PARAM.matcher(baseUrl);
|
---|
121 | while (matcher.find()) {
|
---|
122 | String replacement;
|
---|
123 | switch (matcher.group(1)) {
|
---|
124 | case "proj":
|
---|
125 | replacement = myProjCode;
|
---|
126 | break;
|
---|
127 | case "wkid":
|
---|
128 | replacement = myProjCode.startsWith("EPSG:") ? myProjCode.substring(5) : myProjCode;
|
---|
129 | break;
|
---|
130 | case "bbox":
|
---|
131 | replacement = bbox;
|
---|
132 | break;
|
---|
133 | case "w":
|
---|
134 | replacement = latLonFormat.format(w);
|
---|
135 | break;
|
---|
136 | case "s":
|
---|
137 | replacement = latLonFormat.format(s);
|
---|
138 | break;
|
---|
139 | case "e":
|
---|
140 | replacement = latLonFormat.format(e);
|
---|
141 | break;
|
---|
142 | case "n":
|
---|
143 | replacement = latLonFormat.format(n);
|
---|
144 | break;
|
---|
145 | case "width":
|
---|
146 | case "height":
|
---|
147 | replacement = String.valueOf(getTileSize());
|
---|
148 | break;
|
---|
149 | default:
|
---|
150 | replacement = '{' + matcher.group(1) + '}';
|
---|
151 | }
|
---|
152 | matcher.appendReplacement(url, replacement);
|
---|
153 | }
|
---|
154 | matcher.appendTail(url);
|
---|
155 | return url.toString().replace(" ", "%20");
|
---|
156 | }
|
---|
157 |
|
---|
158 | @Override
|
---|
159 | public String getTileId(int zoom, int tilex, int tiley) {
|
---|
160 | return getTileUrl(zoom, tilex, tiley);
|
---|
161 | }
|
---|
162 |
|
---|
163 | @Override
|
---|
164 | public Map<String, String> getHeaders() {
|
---|
165 | return headers;
|
---|
166 | }
|
---|
167 |
|
---|
168 | /**
|
---|
169 | * Checks if url is acceptable by this Tile Source
|
---|
170 | * @param url URL to check
|
---|
171 | */
|
---|
172 | public static void checkUrl(String url) {
|
---|
173 | CheckParameterUtil.ensureParameterNotNull(url, "url");
|
---|
174 | Matcher m = PATTERN_PARAM.matcher(url);
|
---|
175 | while (m.find()) {
|
---|
176 | boolean isSupportedPattern = false;
|
---|
177 | for (Pattern pattern : ALL_PATTERNS) {
|
---|
178 | if (pattern.matcher(m.group()).matches()) {
|
---|
179 | isSupportedPattern = true;
|
---|
180 | break;
|
---|
181 | }
|
---|
182 | }
|
---|
183 | if (!isSupportedPattern) {
|
---|
184 | throw new IllegalArgumentException(
|
---|
185 | tr("{0} is not a valid WMS argument. Please check this server URL:\n{1}", m.group(), url));
|
---|
186 | }
|
---|
187 | }
|
---|
188 | }
|
---|
189 |
|
---|
190 | private void handleTemplate() {
|
---|
191 | // Capturing group pattern on switch values
|
---|
192 | StringBuffer output = new StringBuffer();
|
---|
193 | Matcher matcher = PATTERN_HEADER.matcher(this.baseUrl);
|
---|
194 | while (matcher.find()) {
|
---|
195 | headers.put(matcher.group(1), matcher.group(2));
|
---|
196 | matcher.appendReplacement(output, "");
|
---|
197 | }
|
---|
198 | matcher.appendTail(output);
|
---|
199 | this.baseUrl = output.toString();
|
---|
200 | }
|
---|
201 | }
|
---|