Changeset 30508 in osm for applications

Timestamp:

2014-07-01T21:07:01+02:00 (10 years ago)

Author:

donvip

Message:

[josm_opendata] fix #josm10214 - read encoding of shapefiles from .cpg files

File:

• applications/editors/josm/plugins/opendata/src/org/openstreetmap/josm/plugins/opendata/core/io/geographic/ShpReader.java (modified) (5 diffs)

applications/editors/josm/plugins/opendata/src/org/openstreetmap/josm/plugins/opendata/core/io/geographic/ShpReader.java

@@ -5 +5 @@
 
 import java.awt.Component;
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.charset.Charset;
+import java.nio.charset.IllegalCharsetNameException;
+import java.nio.charset.StandardCharsets;
+import java.nio.charset.UnsupportedCharsetException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -168 +175 @@
                         if (file != null) { 
                         Map params = new HashMap();
+                        Charset charset = null;
                         params.put(ShapefileDataStoreFactory.URLP.key, file.toURI().toURL());
                         if (handler != null && handler.getDbfCharset() != null) {
-                                params.put(ShapefileDataStoreFactory.DBFCHARSET.key, handler.getDbfCharset());
+                            charset = handler.getDbfCharset();
+                        } else {
+                            String path = file.getAbsolutePath();
+                            // See http://gis.stackexchange.com/a/3663/17245
+                            path = path.substring(0, path.lastIndexOf('.')) + ".cpg";
+                    Path cpg = new File(path).toPath();
+                            if (Files.exists(cpg)) {
+                                try (BufferedReader reader = Files.newBufferedReader(cpg, StandardCharsets.UTF_8)) {
+                                    charset = Charset.forName(reader.readLine());
+                        } catch (IOException | UnsupportedCharsetException | IllegalCharsetNameException e) {
+                            Main.warn(e);
+                        }
+                            }
+                        }
+                        if (charset != null) {
+                            Main.info("Using charset "+charset);
+                            params.put(ShapefileDataStoreFactory.DBFCHARSET.key, charset);
                         }
                                 DataStore dataStore = new ShapefileDataStoreFactory().createDataStore(params);//FIXME
@@ -202 +226 @@
                                                         }
                                                 } catch (UserCancelException e) {
-                                                        e.printStackTrace();
+                            e.printStackTrace();
                                                         return ds;
                                                 }
@@ -211 +235 @@
                                         }
                                 } catch (Throwable e) {
-                                        e.printStackTrace();
+                    e.printStackTrace();
                                 } finally {
                                         iterator.close();
@@ -221 +245 @@
                         }
                 } catch (IOException e) {
-                        e.printStackTrace();
+            e.printStackTrace();
                         throw e;
                 } catch (Throwable t) {
-                        t.printStackTrace();
+            t.printStackTrace();
                         throw new IOException(t);
                 }