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: 228   Methods: 14
NCLOC: 143   Classes: 1
30 day Evaluation License registered to hlship@comcast.net Your 30 day evaluation period has expired. Please visit http://www.cenqua.com to obtain a licensed version of Clover
 
 Source file Conditionals Statements Methods TOTAL
LinkFactoryImpl.java 100% 95.8% 100% 97.4%
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.services.impl;
 16   
 17    import java.io.IOException;
 18    import java.util.Iterator;
 19    import java.util.List;
 20    import java.util.Map;
 21   
 22    import org.apache.commons.codec.net.URLCodec;
 23    import org.apache.hivemind.ApplicationRuntimeException;
 24    import org.apache.hivemind.ErrorLog;
 25    import org.apache.hivemind.order.Orderer;
 26    import org.apache.hivemind.util.Defense;
 27    import org.apache.tapestry.IEngine;
 28    import org.apache.tapestry.IRequestCycle;
 29    import org.apache.tapestry.Tapestry;
 30    import org.apache.tapestry.engine.EngineServiceLink;
 31    import org.apache.tapestry.engine.ILink;
 32    import org.apache.tapestry.engine.ServiceEncoder;
 33    import org.apache.tapestry.engine.ServiceEncoding;
 34    import org.apache.tapestry.engine.ServiceEncodingImpl;
 35    import org.apache.tapestry.record.PropertyPersistenceStrategySource;
 36    import org.apache.tapestry.services.DataSqueezer;
 37    import org.apache.tapestry.services.LinkFactory;
 38    import org.apache.tapestry.services.ServiceConstants;
 39    import org.apache.tapestry.web.WebRequest;
 40   
 41    /**
 42    * @author Howard M. Lewis Ship
 43    * @since 4.0
 44    */
 45    public class LinkFactoryImpl implements LinkFactory
 46    {
 47    private DataSqueezer _dataSqueezer;
 48   
 49    private ErrorLog _errorLog;
 50   
 51    /**
 52    * List of {@link org.apache.tapestry.services.impl.ServiceEncoderContribution}.
 53    */
 54   
 55    private List _contributions;
 56   
 57    private ServiceEncoder[] _encoders;
 58   
 59    private String _contextPath;
 60   
 61    private String _servletPath;
 62   
 63    private final Object[] EMPTY = new Object[0];
 64   
 65    private URLCodec _codec = new URLCodec();
 66   
 67    private WebRequest _request;
 68   
 69    private PropertyPersistenceStrategySource _persistenceStrategySource;
 70   
 71  46 public void initializeService()
 72    {
 73  46 Orderer orderer = new Orderer(_errorLog, "encoder");
 74   
 75  46 Iterator i = _contributions.iterator();
 76   
 77  46 while (i.hasNext())
 78    {
 79  4 ServiceEncoderContribution c = (ServiceEncoderContribution) i.next();
 80   
 81  4 orderer.add(c, c.getId(), c.getAfter(), c.getBefore());
 82    }
 83   
 84  46 List ordered = orderer.getOrderedObjects();
 85  46 int count = ordered.size();
 86   
 87  46 _encoders = new ServiceEncoder[count];
 88   
 89  46 for (int j = 0; j < count; j++)
 90    {
 91  4 ServiceEncoderContribution c = (ServiceEncoderContribution) ordered.get(j);
 92   
 93  4 _encoders[j] = c.getEncoder();
 94    }
 95   
 96    }
 97   
 98  222 public ILink constructLink(IRequestCycle cycle, Map parameters, boolean stateful)
 99    {
 100  222 Defense.notNull(cycle, "cycle");
 101  222 Defense.notNull(parameters, "parameters");
 102   
 103  222 squeezeServiceParameters(parameters);
 104   
 105  222 IEngine engine = cycle.getEngine();
 106   
 107  222 ServiceEncoding serviceEncoding = createServiceEncoding(parameters);
 108   
 109    // Give persistent property strategies a chance to store extra data
 110    // into the link.
 111   
 112  222 if (stateful)
 113  141 _persistenceStrategySource.addParametersForPersistentProperties(serviceEncoding, cycle);
 114   
 115  222 String fullServletPath = _contextPath + serviceEncoding.getServletPath();
 116   
 117  222 return new EngineServiceLink(cycle, fullServletPath, engine.getOutputEncoding(), _codec,
 118    _request, parameters, stateful);
 119    }
 120   
 121  41 public ServiceEncoder[] getServiceEncoders()
 122    {
 123  41 return _encoders;
 124    }
 125   
 126    /**
 127    * Creates a new service encoding, and allows the encoders to modify it before returning.
 128    */
 129   
 130  222 private ServiceEncoding createServiceEncoding(Map parameters)
 131    {
 132  222 ServiceEncodingImpl result = new ServiceEncodingImpl(_servletPath, parameters);
 133   
 134  222 for (int i = 0; i < _encoders.length; i++)
 135    {
 136  4 _encoders[i].encode(result);
 137   
 138  4 if (result.isModified())
 139  2 break;
 140    }
 141   
 142  222 return result;
 143    }
 144   
 145  222 protected void squeezeServiceParameters(Map parameters)
 146    {
 147  222 Object[] serviceParameters = (Object[]) parameters.get(ServiceConstants.PARAMETER);
 148   
 149  222 if (serviceParameters == null)
 150  210 return;
 151   
 152  12 String[] squeezed = squeeze(serviceParameters);
 153   
 154  12 parameters.put(ServiceConstants.PARAMETER, squeezed);
 155    }
 156   
 157  46 public Object[] extractListenerParameters(IRequestCycle cycle)
 158    {
 159  46 String[] squeezed = cycle.getParameters(ServiceConstants.PARAMETER);
 160   
 161  46 if (Tapestry.size(squeezed) == 0)
 162  27 return EMPTY;
 163   
 164  19 try
 165    {
 166  19 return _dataSqueezer.unsqueeze(squeezed);
 167    }
 168    catch (IOException ex)
 169    {
 170  0 throw new ApplicationRuntimeException(ex);
 171    }
 172    }
 173   
 174  12 private String[] squeeze(Object[] input)
 175    {
 176  12 try
 177    {
 178  12 return _dataSqueezer.squeeze(input);
 179    }
 180    catch (IOException ex)
 181    {
 182  0 throw new ApplicationRuntimeException(ex);
 183    }
 184    }
 185   
 186  42 public void setDataSqueezer(DataSqueezer dataSqueezer)
 187    {
 188  42 _dataSqueezer = dataSqueezer;
 189    }
 190   
 191  46 public void setContributions(List contributions)
 192    {
 193  46 _contributions = contributions;
 194    }
 195   
 196  46 public void setErrorLog(ErrorLog errorLog)
 197    {
 198  46 _errorLog = errorLog;
 199    }
 200   
 201  46 public void setServletPath(String servletPath)
 202    {
 203  46 _servletPath = servletPath;
 204    }
 205   
 206  46 public void setContextPath(String contextPath)
 207    {
 208  46 _contextPath = contextPath;
 209    }
 210   
 211  46 public void setRequest(WebRequest request)
 212    {
 213  46 _request = request;
 214    }
 215   
 216    /**
 217    * This is kind of limiting; it's possible that other things beyond persistence strategies will
 218    * want to have a hand at encoding data into URLs. If that comes to pass, we'll need to
 219    * implement an event coordinator/listener combo to let implementations know about links being
 220    * generated.
 221    */
 222   
 223  42 public void setPersistenceStrategySource(
 224    PropertyPersistenceStrategySource persistenceStrategySource)
 225    {
 226  42 _persistenceStrategySource = persistenceStrategySource;
 227    }
 228    }