Clover coverage report - Code Coverage for tapestry release 4.0-rc-2
Coverage timestamp: Sat Dec 17 2005 09:39:46 PST
file stats: LOC: 52   Methods: 2
NCLOC: 20   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
UniqueToken.java 100% 100% 100% 100%
coverage
 1    // Copyright 2004, 2005 The Apache Software Foundation
 2    //
 3    // Licensed under the Apache License, Version 2.0 (the "License");
 4    // you may not use this file except in compliance with the License.
 5    // You may obtain a copy of the License at
 6    //
 7    // http://www.apache.org/licenses/LICENSE-2.0
 8    //
 9    // Unless required by applicable law or agreed to in writing, software
 10    // distributed under the License is distributed on an "AS IS" BASIS,
 11    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12    // See the License for the specific language governing permissions and
 13    // limitations under the License.
 14   
 15    package org.apache.tapestry.script;
 16   
 17    import org.apache.hivemind.Location;
 18    import org.apache.tapestry.IRequestCycle;
 19   
 20    /**
 21    * Writes out its child tokens only the first time it executes
 22    * (with a given tag). Uses
 23    * {@link org.apache.tapestry.IRequestCycle#setAttribute(String, Object)}
 24    * to identify whether a particular block has rendered yet.
 25    *
 26    * @author Howard Lewis Ship
 27    * @since 3.0
 28    */
 29   
 30    class UniqueToken extends AbstractToken
 31    {
 32  2 public UniqueToken(Location location)
 33    {
 34  2 super(location);
 35    }
 36   
 37  4 public void write(StringBuffer buffer, ScriptSession session)
 38    {
 39  4 IRequestCycle cycle = session.getRequestCycle();
 40   
 41  4 Location location = getLocation();
 42  4 String tag = "<unique> " + location.toString();
 43   
 44  4 if (cycle.getAttribute(tag) != null)
 45  2 return;
 46   
 47  2 cycle.setAttribute(tag, Boolean.TRUE);
 48   
 49  2 writeChildren(buffer, session);
 50    }
 51   
 52    }