Data commit

Task/URL-parser/Java/url-parser-1.java

@@ -0,0 +1,6 @@
+URI uri;
+try {
+    uri = new URI("foo://example.com:8042/over/there?name=ferret#nose");
+} catch (URISyntaxException exception) {
+    /* invalid URI */
+}

Task/URL-parser/Java/url-parser-2.java

@@ -0,0 +1 @@
+uri.getScheme()

Task/URL-parser/Java/url-parser-3.java

@@ -0,0 +1,40 @@
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+
+public class MailTo {
+    private final To to;
+    private List<Field> fields;
+
+    public MailTo(String string) {
+        if (string == null)
+            throw new NullPointerException();
+        if (string.isBlank() || !string.toLowerCase().startsWith("mailto:"))
+            throw new IllegalArgumentException("Requires 'mailto' scheme");
+        string = string.substring(string.indexOf(':') + 1);
+        /* we can use the 'URLDecoder' class to decode any entities */
+        string = URLDecoder.decode(string, StandardCharsets.UTF_8);
+        /* the address and fields are separated by a '?' */
+        int indexOf = string.indexOf('?');
+        String[] address;
+        if (indexOf == -1)
+            address = string.split("@");
+        else {
+            address = string.substring(0, indexOf).split("@");
+            string = string.substring(indexOf + 1);
+            /* each field is separated by a '&' */
+            String[] fields = string.split("&");
+            String[] field;
+            this.fields = new ArrayList<>(fields.length);
+            for (String value : fields) {
+                field = value.split("=");
+                this.fields.add(new Field(field[0], field[1]));
+            }
+        }
+        to = new To(address[0], address[1]);
+    }
+
+    record To(String user, String host) { }
+    record Field(String name, String value) { }
+}