GalleryPageUrlParser supports non-strict url

app/src/main/java/com/hippo/ehviewer/client/parser/GalleryPageUrlParser.java

@@ -16,8 +16,8 @@
 
 package com.hippo.ehviewer.client.parser;
 
+import android.support.annotation.Nullable;
 import com.hippo.ehviewer.client.EhUrl;
-
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -26,15 +26,25 @@ import java.util.regex.Pattern;
  */
 public final class GalleryPageUrlParser {
 
-    public static final Pattern URL_PATTERN = Pattern.compile("https?://(?:" +
-            EhUrl.DOMAIN_EX + "|" + EhUrl.DOMAIN_E + "|" + EhUrl.DOMAIN_LOFI + ")/s/(\\w+)/(\\d+)-(\\d+)");
+    private static final Pattern URL_STRICT_PATTERN = Pattern.compile(
+            "https?://(?:" + EhUrl.DOMAIN_EX + "|" + EhUrl.DOMAIN_E + "|" + EhUrl.DOMAIN_LOFI + ")/s/([0-9a-f]{10})/(\\d+)-(\\d+)");
 
+    private static final Pattern URL_PATTERN = Pattern.compile(
+            "([0-9a-f]{10})/(\\d+)-(\\d+)");
+
+    @Nullable
     public static Result parse(String url) {
+        return parse(url, true);
+    }
+
+    @Nullable
+    public static Result parse(String url, boolean strict) {
         if (url == null) {
             return null;
         }
 
-        Matcher m = URL_PATTERN.matcher(url);
+        Pattern pattern = strict ? URL_STRICT_PATTERN : URL_PATTERN;
+        Matcher m = pattern.matcher(url);
         if (m.find()) {
             Result result = new Result();
             result.gid = Long.parseLong(m.group(2));

app/src/test/java/com/hippo/ehviewer/client/parser/GalleryPageUrlParserTest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2018 Hippo Seven
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.hippo.ehviewer.client.parser;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import java.util.Arrays;
+import java.util.Collection;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class GalleryPageUrlParserTest {
+
+  @Parameterized.Parameters
+  public static Collection<Object[]> data() {
+    return Arrays.asList(new Object[][] {
+        { "https://e-hentai.org/s/7b87643838/530350-1", true, false, 530350, "7b87643838", 0},
+        { "https://exhentai.org/s/7b87643838/530350-1", true, false, 530350, "7b87643838", 0},
+        { "7b87643838/530350-1", true, true, 0, null, 0},
+
+        { "7b87643838/530350-1", false, false, 530350, "7b87643838", 0},
+        { "s/7b87643838/530350-1", false, false, 530350, "7b87643838", 0},
+        { "7b87643838/530350a-1", false, true, 0, null, 0},
+    });
+  }
+
+  private String url;
+  private boolean strict;
+  private boolean isNull;
+  private long gid;
+  private String pToken;
+  private int page;
+
+  public GalleryPageUrlParserTest(String url, boolean strict, boolean isNull, long gid, String pToken, int page) {
+    this.url = url;
+    this.strict = strict;
+    this.isNull = isNull;
+    this.gid = gid;
+    this.pToken = pToken;
+    this.page = page;
+  }
+
+  @Test
+  public void testParse() {
+    GalleryPageUrlParser.Result result = GalleryPageUrlParser.parse(url, strict);
+    if (isNull) {
+      assertNull(result);
+    } else {
+      assertEquals(gid, result.gid);
+      assertEquals(pToken, result.pToken);
+      assertEquals(page, result.page);
+    }
+  }
+}