Clover coverage report - Code Coverage for tapestry release 4.0-beta-6
Coverage timestamp: Wed Sep 7 2005 18:41:34 EDT
file stats: LOC: 111   Methods: 6
NCLOC: 58   Classes: 1
 
 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   
 24    /**
 25    * Base class for creating tokens which may contain other tokens.
 26    *
 27    * @author Howard Lewis Ship
 28    * @since 0.2.9
 29    */
 30   
 31    abstract class AbstractToken implements IScriptToken
 32    {
 33    private List _tokens;
 34   
 35    private Location _location;
 36   
 37  83 protected AbstractToken(Location location)
 38    {
 39  83 _location = location;
 40    }
 41   
 42  6 public Location getLocation()
 43    {
 44  6 return _location;
 45    }
 46   
 47  65 public void addToken(IScriptToken token)
 48    {
 49  65 if (_tokens == null)
 50  36 _tokens = new ArrayList();
 51   
 52  65 _tokens.add(token);
 53    }
 54   
 55    /**
 56    * Invokes {@link IScriptToken#write(StringBuffer,ScriptSession)}on each child token (if there
 57    * are any).
 58    */
 59   
 60  39 protected void writeChildren(StringBuffer buffer, ScriptSession session)
 61    {
 62  39 if (_tokens == null)
 63  1 return;
 64   
 65  38 Iterator i = _tokens.iterator();
 66   
 67  38 while (i.hasNext())
 68    {
 69  73 IScriptToken token = (IScriptToken) i.next();
 70   
 71  73 token.write(buffer, session);
 72    }
 73    }
 74   
 75    /**
 76    * Evaluates the expression against the session's symbols, using
 77    * {@link ExpressionEvaluator#read(Object, String)}and returns the result.
 78    */
 79  6 protected Object evaluate(String expression, ScriptSession session)
 80    {
 81   
 82  6 try
 83    {
 84  6 return session.evaluate(expression);
 85    }
 86    catch (Exception ex)
 87    {
 88  0 throw new ApplicationRuntimeException(ex.getMessage(), _location, ex);
 89    }
 90    }
 91   
 92    /**
 93    * Evaluates an expression and coerces the result to a boolean.
 94    *
 95    * @since 4.0
 96    */
 97   
 98  4 protected boolean evaluateBoolean(String expression, ScriptSession session)
 99    {
 100  4 try
 101    {
 102  4 Boolean b = (Boolean) session.evaluate(expression, Boolean.class);
 103   
 104  3 return b.booleanValue();
 105    }
 106    catch (Exception ex)
 107    {
 108  1 throw new ApplicationRuntimeException(ex.getMessage(), _location, ex);
 109    }
 110    }
 111    }