Coverage report

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org.apache.commons.jelly.tags.core.MuteTag$MuteXMLOutput

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     /*

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      * Copyright 2002,2004 The Apache Software Foundation.

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      *

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      * Licensed under the Apache License, Version 2.0 (the "License");

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      * you may not use this file except in compliance with the License.

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      * You may obtain a copy of the License at

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      *

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      *      http://www.apache.org/licenses/LICENSE-2.0

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      *

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      * Unless required by applicable law or agreed to in writing, software

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      * distributed under the License is distributed on an "AS IS" BASIS,

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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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      * See the License for the specific language governing permissions and

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      * limitations under the License.

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      */

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     package org.apache.commons.jelly.tags.core;

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     import org.apache.commons.jelly.JellyTagException;

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     import org.apache.commons.jelly.TagSupport;

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     import org.apache.commons.jelly.XMLOutput;

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     import org.xml.sax.helpers.DefaultHandler;

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     /** A tag which executes its body but passing no output.

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      *  <p>

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      * Using this tag will still take the time to perform toString on each object

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      * returned to the output (but this toString value is discarded.

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      * A future version should go more internally so that this is avoided.

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      *

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      * @author <a href="mailto:paul@activemath.org">Paul Libbrecht</a>

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      * @version $Revision: 155420 $

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       */

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     public class MuteTag extends TagSupport {

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         /**

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          * Create an instance

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          */

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         public MuteTag() {

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         }

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         /**

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          * Invoke the body and produce no output.

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          * @param output tag output, which is ignored.

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          */

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         public void doTag(XMLOutput output) throws JellyTagException {

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             super.invokeBody(new MuteXMLOutput());

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         }

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         /**

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          * An XMLOutput which really outputs nothing, in particular, avoids calling

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          * toString() in objects returned...

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          */

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         static class MuteXMLOutput extends XMLOutput {

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             public MuteXMLOutput() {

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                 super(new DefaultHandler());

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             }

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             /**

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              * Do nothing, not even invoke the toString!

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              */

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             public void objectData(Object o) {

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             }

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         } // class MuteXMLOutput

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     } // class TagSupport

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