Clover coverage report - Code Coverage for tapestry release 4.0-beta-2
Coverage timestamp: Sat Jul 9 2005 22:02:17 EDT
file stats: LOC: 112   Methods: 6
NCLOC: 59   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
AbstractToken.java 100% 94.4% 100% 96.7%
coverage 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 java.util.ArrayList;
 18    import java.util.Iterator;
 19    import java.util.List;
 20   
 21    import org.apache.hivemind.ApplicationRuntimeException;
 22    import org.apache.hivemind.Location;
 23    import org.apache.tapestry.services.ExpressionEvaluator;
 24   
 25    /**
 26    * Base class for creating tokens which may contain other tokens.
 27    *
 28    * @author Howard Lewis Ship
 29    * @since 0.2.9
 30    */
 31   
 32    abstract class AbstractToken implements IScriptToken
 33    {
 34    private List _tokens;
 35   
 36    private Location _location;
 37   
 38  83 protected AbstractToken(Location location)
 39    {
 40  83 _location = location;
 41    }
 42   
 43  6 public Location getLocation()
 44    {
 45  6 return _location;
 46    }
 47   
 48  65 public void addToken(IScriptToken token)
 49    {
 50  65 if (_tokens == null)
 51  36 _tokens = new ArrayList();
 52   
 53  65 _tokens.add(token);
 54    }
 55   
 56    /**
 57    * Invokes {@link IScriptToken#write(StringBuffer,ScriptSession)}on each child token (if there
 58    * are any).
 59    */
 60   
 61  39 protected void writeChildren(StringBuffer buffer, ScriptSession session)
 62    {
 63  39 if (_tokens == null)
 64  1 return;
 65   
 66  38 Iterator i = _tokens.iterator();
 67   
 68  38 while (i.hasNext())
 69    {
 70  73 IScriptToken token = (IScriptToken) i.next();
 71   
 72  73 token.write(buffer, session);
 73    }
 74    }
 75   
 76    /**
 77    * Evaluates the expression against the session's symbols, using
 78    * {@link ExpressionEvaluator#read(Object, String)}and returns the result.
 79    */
 80  6 protected Object evaluate(String expression, ScriptSession session)
 81    {
 82   
 83  6 try
 84    {
 85  6 return session.evaluate(expression);
 86    }
 87    catch (Exception ex)
 88    {
 89  0 throw new ApplicationRuntimeException(ex.getMessage(), _location, ex);
 90    }
 91    }
 92   
 93    /**
 94    * Evaluates an expression and coerces the result to a boolean.
 95    *
 96    * @since 4.0
 97    */
 98   
 99  4 protected boolean evaluateBoolean(String expression, ScriptSession session)
 100    {
 101  4 try
 102    {
 103  4 Boolean b = (Boolean) session.evaluate(expression, Boolean.class);
 104   
 105  3 return b.booleanValue();
 106    }
 107    catch (Exception ex)
 108    {
 109  1 throw new ApplicationRuntimeException(ex.getMessage(), _location, ex);
 110    }
 111    }
 112    }