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https://issues.apache.org/jira/browse/MNG-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17543476#comment-17543476
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ASF GitHub Bot commented on MNG-7486:
-------------------------------------
michael-o commented on code in PR #746:
URL: https://github.com/apache/maven/pull/746#discussion_r884142356
##########
maven-core/src/main/java/org/apache/maven/internal/MultilineMessageHelper.java:
##########
@@ -0,0 +1,91 @@
+package org.apache.maven.internal;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Helper class to format multiline messages to the console
+ */
+public class MultilineMessageHelper
+{
+
+ private static final int DEFAULT_MAX_SIZE = 65;
+ private static final char BOX_CHAR = '*';
+
+ public static String separatorLine()
+ {
+ StringBuilder sb = new StringBuilder( DEFAULT_MAX_SIZE );
+ repeat( sb, '*', DEFAULT_MAX_SIZE );
+ return sb.toString();
+ }
+
+ public static List<String> format( String... lines )
+ {
+ int size = DEFAULT_MAX_SIZE;
+ int rem = size - 4; // 4 chars = 2 box_char + 2 spaces
+ List<String> result = new ArrayList<>();
+ StringBuilder sb = new StringBuilder( size );
+ // first line
+ sb.setLength( 0 );
+ repeat( sb, BOX_CHAR, size );
+ result.add( sb.toString() );
+ // lines
+ for ( String line : lines )
+ {
+ sb.setLength( 0 );
+ String[] words = line.split( " " );
+ for ( String word : words )
+ {
+ if ( sb.length() >= rem - word.length() - ( sb.length() > 0 ?
1 : 0 ) )
Review Comment:
@gnodet Opinion?
> Create a multiline message helper for boxed log messages
> --------------------------------------------------------
>
> Key: MNG-7486
> URL: https://issues.apache.org/jira/browse/MNG-7486
> Project: Maven
> Issue Type: New Feature
> Reporter: Michael Osipov
> Assignee: Guillaume Nodet
> Priority: Major
> Fix For: 3.8.6, 3.9.0, 4.0.0-alpha-1, 4.0.0
>
>
> Simplify the way how boxed messages, e.g., for non-threadsafe plugins is
> created.
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