#1251 SafeComments

src/main/java/com/rultor/agents/github/Answer.java

@@ -56,6 +56,7 @@
  * @author Yegor Bugayenko (yegor256@gmail.com)
  * @version $Id$
  * @since 1.0
+ * @checkstyle ClassDataAbstractionCouplingCheck (500 lines)
  */
 @Immutable
 @ToString
@@ -111,7 +112,9 @@ public void post(final boolean success, final String msg,
             ++mine;
         }
         if (mine < Answer.MAX) {
-            issue.comments().post(this.msg(success, Logger.format(msg, args)));
+            new SafeComments(
+                issue.comments()
+            ).post(this.msg(success, Logger.format(msg, args)));
         } else {
             Logger.error(
                 this, "too many (%d) comments from %s already in %s#%d",

src/main/java/com/rultor/agents/github/SafeComments.java

@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2009-2018, rultor.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met: 1) Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer. 2) Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution. 3) Neither the name of the rultor.com nor
+ * the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
+ * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.rultor.agents.github;
+
+import com.jcabi.aspects.Immutable;
+import com.jcabi.github.Comment;
+import com.jcabi.github.Comments;
+import com.jcabi.github.Issue;
+import com.jcabi.github.mock.MkGithub;
+import com.jcabi.log.Logger;
+import java.io.IOException;
+import java.util.Date;
+import lombok.ToString;
+
+/**
+ * Comments that never crashes.
+ *
+ * @author Yegor Bugayenko (yegor256@gmail.com)
+ * @version $Id$
+ * @since 1.68
+ */
+@Immutable
+@ToString
+public final class SafeComments implements Comments {
+
+    /**
+     * Original comments.
+     */
+    private final transient Comments origin;
+
+    /**
+     * Ctor.
+     * @param cmt Original comments
+     */
+    public SafeComments(final Comments cmt) {
+        this.origin = cmt;
+    }
+
+    @Override
+    public Issue issue() {
+        throw new UnsupportedOperationException("#issue()");
+    }
+
+    @Override
+    public Comment get(final int number) {
+        throw new UnsupportedOperationException("#get()");
+    }
+
+    @Override
+    public Iterable<Comment> iterate(final Date since) {
+        throw new UnsupportedOperationException("#iterate()");
+    }
+
+    @Override
+    public Comment post(final String text) throws IOException {
+        Comment cmt;
+        try {
+            cmt = this.origin.post(text);
+        } catch (final AssertionError ex) {
+            Logger.warn(this, "Failed to post to GitHub: %[exception]s", ex);
+            cmt = new MkGithub().randomRepo()
+                .issues().create("", "")
+                .comments().post(text);
+        }
+        return cmt;
+    }
+}