package org.apache.maven.shared.io.logging;

 /*

  * 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.

  */

 public interface MessageHolder

 {

     MessageHolder newMessage();

     MessageHolder newDebugMessage();

     MessageHolder newInfoMessage();

     MessageHolder newWarningMessage();

     MessageHolder newErrorMessage();

     MessageHolder newSevereMessage();

     MessageHolder append( CharSequence messagePart );

     MessageHolder append( Throwable error );

     MessageHolder addMessage( CharSequence messagePart, Throwable error );

     MessageHolder addMessage( CharSequence messagePart );

     MessageHolder addMessage( Throwable error );

     MessageHolder addDebugMessage( CharSequence messagePart, Throwable error );

     MessageHolder addDebugMessage( CharSequence messagePart );

     MessageHolder addDebugMessage( Throwable error );

     MessageHolder addInfoMessage( CharSequence messagePart, Throwable error );

     MessageHolder addInfoMessage( CharSequence messagePart );

     MessageHolder addInfoMessage( Throwable error );

     MessageHolder addWarningMessage( CharSequence messagePart, Throwable error );

     MessageHolder addWarningMessage( CharSequence messagePart );

     MessageHolder addWarningMessage( Throwable error );

     MessageHolder addErrorMessage( CharSequence messagePart, Throwable error );

     MessageHolder addErrorMessage( CharSequence messagePart );

     MessageHolder addErrorMessage( Throwable error );

     MessageHolder addSevereMessage( CharSequence messagePart, Throwable error );

     MessageHolder addSevereMessage( CharSequence messagePart );

     MessageHolder addSevereMessage( Throwable error );

     int size();

     int countMessages();

     int countDebugMessages();

     int countInfoMessages();

     int countWarningMessages();

     int countErrorMessages();

     int countSevereMessages();

     boolean isDebugEnabled();

     void setDebugEnabled( boolean enabled );

     boolean isInfoEnabled();

     void setInfoEnabled( boolean enabled );

     boolean isWarningEnabled();

     void setWarningEnabled( boolean enabled );

     boolean isErrorEnabled();

     void setErrorEnabled( boolean enabled );

     boolean isSevereEnabled();

     void setSevereEnabled( boolean enabled );

     boolean isEmpty();

     String render();

     void render( MessageSink sink );

     void flush();

 }