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authorGravatar Vitaly Takmazov2018-11-12 12:10:44 +0300
committerGravatar Vitaly Takmazov2018-11-12 12:10:49 +0300
commitf7eeb5c5d40648bf1e0f76dab4e68c96995872c7 (patch)
tree79942d5fad59ca791e929b51eeb680dc55700165 /src/main/java/com/juick/util
parentd158b85517189afd43532a752e0093394c135f0f (diff)
api: message entities
Diffstat (limited to 'src/main/java/com/juick/util')
-rw-r--r--src/main/java/com/juick/util/MessageUtils.java82
1 files changed, 70 insertions, 12 deletions
diff --git a/src/main/java/com/juick/util/MessageUtils.java b/src/main/java/com/juick/util/MessageUtils.java
index fd357c32..b1af2cdc 100644
--- a/src/main/java/com/juick/util/MessageUtils.java
+++ b/src/main/java/com/juick/util/MessageUtils.java
@@ -20,6 +20,7 @@ package com.juick.util;
import com.juick.Message;
import com.juick.Tag;
import com.juick.User;
+import com.juick.model.Entity;
import org.apache.commons.codec.CharEncoding;
import org.apache.commons.lang3.StringUtils;
import org.springframework.web.util.UriComponentsBuilder;
@@ -27,10 +28,8 @@ import org.springframework.web.util.UriComponentsBuilder;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLEncoder;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-import java.util.TreeSet;
+import java.util.*;
+import java.util.function.Function;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
@@ -74,6 +73,49 @@ public class MessageUtils {
private final static String jidRegex = "((?<=\\s)|(?<=\\A))@([\\w\\-\\.]+@[\\w\\-\\.]+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
private final static Pattern jidPattern = Pattern.compile(jidRegex);
+ private final static String midRegex = "((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)((?=\\s)|(?=\\Z)|(?=\\))|(?=\\.)|(?=\\,))";
+
+ private final static String ridRegex = "((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
+
+ private final static String textUrlRegex = "\\[([^\\]]+)\\]\\[((?:ht|f)tps?://[^\\]]+)\\]";
+
+ private final static String boldRegex = "((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))\\*([^\\*\\n<>]+)\\*((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
+
+ private final static String italicRegex = "((?<=\\s)|(?<=\\A))/([^\\/\\n<>]+)/((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
+
+ private final static String underlineRegex = "((?<=\\s)|(?<=\\A))_([^\\_\\n<>]+)_((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
+
+ private final static String citateRegex = "(?:(?<=\\n)|(?<=\\A))&gt; *(.*)?(\\n|(?=\\Z))";
+
+ public static List<Entity> getEntities(Message msg) {
+
+ String txt = msg.getText();
+
+ // http://juick.com/last?page=2
+ List<Entity> result = new ArrayList<>(entitiesForType("a", txt, urlWithWhitespacesRegex, matcher -> matcher.group(3), matcher -> Optional.of(matcher.group(2))));
+ // [link text][http://juick.com/last?page=2]
+ result.addAll(entitiesForType("a", txt, textUrlRegex, matcher -> matcher.group(1), matcher -> Optional.of(matcher.group(2))));
+ // #12345
+ result.addAll(entitiesForType("a", txt, midRegex, matcher -> String.format("#%s", matcher.group(2)), matcher -> Optional.of("https://juick.com/m/" + matcher.group(2))));
+ // #12345/65
+ result.addAll(entitiesForType("a", txt, ridRegex, matcher -> String.format("#%s/%s", matcher.group(2), matcher.group(3)), matcher -> Optional.of(String.format("https://juick.com/m/%s#%s", matcher.group(2), matcher.group(3)))));
+ // /12
+ result.addAll(entitiesForType("a", txt, replyNumberRegex, matcher -> "/" + matcher.group(2), matcher -> Optional.of(String.format("https://juick.com/m/%d#%s", msg.getMid(), matcher.group(2)))));
+ // @username@jabber.org
+ result.addAll(entitiesForType("a", txt, jidRegex, matcher -> matcher.group(2), matcher -> Optional.of(String.format("https://juick.com/%s", matcher.group(2)))));
+ // @username
+ result.addAll(entitiesForType("a", txt, usernameRegex, matcher -> matcher.group(2), matcher -> Optional.of(String.format("https://juick.com/%s", matcher.group(2)))));
+ // *bold*
+ result.addAll(entitiesForType("b", txt, boldRegex, matcher -> matcher.group(2), matcher -> Optional.empty()));
+ // /italic/
+ result.addAll(entitiesForType("i", txt, italicRegex, matcher -> matcher.group(2), matcher -> Optional.empty()));
+ // _underline_
+ result.addAll(entitiesForType("u", txt, underlineRegex, matcher -> matcher.group(2), matcher -> Optional.empty()));
+ // > citate
+ result.addAll(entitiesForType("q", txt, citateRegex, matcher -> matcher.group(1), matcher -> Optional.empty()));
+ return result;
+ }
+
public static String formatMessageCode(String msg) {
msg = msg.replaceAll("&", "&amp;");
msg = msg.replaceAll("<", "&lt;");
@@ -112,28 +154,27 @@ public class MessageUtils {
// [link text][http://juick.com/last?page=2]
// <a href="http://juick.com/last?page=2" rel="nofollow">link text</a>
- msg = msg.replaceAll("\\[([^\\]]+)\\]\\[((?:ht|f)tps?://[^\\]]+)\\]", "<a href=\"$2\" rel=\"nofollow\">$1</a>");
- msg = msg.replaceAll("\\[([^\\]]+)\\]\\(((?:ht|f)tps?://[^\\)]+)\\)", "<a href=\"$2\" rel=\"nofollow\">$1</a>");
+ msg = msg.replaceAll(textUrlRegex, "<a href=\"$2\" rel=\"nofollow\">$1</a>");
// #12345
// <a href="http://juick.com/12345">#12345</a>
- msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)((?=\\s)|(?=\\Z)|(?=\\))|(?=\\.)|(?=\\,))", "$1<a href=\"https://juick.com/m/$2\">#$2</a>$3");
+ msg = msg.replaceAll(midRegex, "$1<a href=\"https://juick.com/m/$2\">#$2</a>$3");
// #12345/65
// <a href="http://juick.com/12345#65">#12345/65</a>
- msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"https://juick.com/m/$2#$3\">#$2/$3</a>$4");
+ msg = msg.replaceAll(ridRegex, "$1<a href=\"https://juick.com/m/$2#$3\">#$2/$3</a>$4");
// *bold*
// <b>bold</b>
- msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))\\*([^\\*\\n<>]+)\\*((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<b>$2</b>$3");
+ msg = msg.replaceAll(boldRegex, "$1<b>$2</b>$3");
// /italic/
// <i>italic</i>
- msg = msg.replaceAll("((?<=\\s)|(?<=\\A))/([^\\/\\n<>]+)/((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<i>$2</i>$3");
+ msg = msg.replaceAll(italicRegex, "$1<i>$2</i>$3");
// _underline_
// <span class="u">underline</span>
- msg = msg.replaceAll("((?<=\\s)|(?<=\\A))_([^\\_\\n<>]+)_((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<span class=\"u\">$2</span>$3");
+ msg = msg.replaceAll(underlineRegex, "$1<span class=\"u\">$2</span>$3");
// /12
// <a href="#12">/12</a>
@@ -159,7 +200,7 @@ public class MessageUtils {
msg = sb.toString();
// > citate
- msg = msg.replaceAll("(?:(?<=\\n)|(?<=\\A))&gt; *(.*)?(\\n|(?=\\Z))", "<q>$1</q>");
+ msg = msg.replaceAll(citateRegex, "<q>$1</q>");
msg = msg.replaceAll("</q><q>", "\n");
msg = msg.replaceAll("\n", "<br/>\n");
@@ -321,4 +362,21 @@ public class MessageUtils {
public static List<String> getGlobalMentions(Message msg) {
return collectMatches(jidPattern, msg.getText());
}
+
+ private static List<Entity> entitiesForType(String type, String input, String patternText, Function<Matcher, String> textGroup, Function<Matcher, Optional<String>> linkGroup) {
+ List<Entity> result = new ArrayList<>();
+ Pattern pattern = Pattern.compile(patternText);
+ Matcher matcher = pattern.matcher(input);
+ while (matcher.find()) {
+ Entity entity = new Entity();
+ entity.setType(type);
+ entity.setText(textGroup.apply(matcher));
+ Optional<String> link = linkGroup.apply(matcher);
+ link.ifPresent(entity::setUrl);
+ entity.setStart(matcher.start());
+ entity.setEnd(matcher.end());
+ result.add(entity);
+ }
+ return result;
+ }
}