Coverage Report - org.jaxen.expr.DefaultFunctionCallExpr

Classes in this File Line Coverage Branch Coverage Complexity
DefaultFunctionCallExpr
82% 
83% 
1.636

 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultFunctionCallExpr.java,v 1.14 2005/09/06 13:41:01 elharo Exp $
 3  
  * $Revision: 1.14 $
 4  
  * $Date: 2005/09/06 13:41:01 $
 5  
  *
 6  
  * ====================================================================
 7  
  *
 8  
  * Copyright (C) 2000-2004 bob mcwhirter & James Strachan.
 9  
  * All rights reserved.
 10  
  *
 11  
  * Redistribution and use in source and binary forms, with or without
 12  
  * modification, are permitted provided that the following conditions
 13  
  * are met:
 14  
  *
 15  
  * 1. Redistributions of source code must retain the above copyright
 16  
  *    notice, this list of conditions, and the following disclaimer.
 17  
  *
 18  
  * 2. Redistributions in binary form must reproduce the above copyright
 19  
  *    notice, this list of conditions, and the disclaimer that follows
 20  
  *    these conditions in the documentation and/or other materials
 21  
  *    provided with the distribution.
 22  
  *
 23  
  * 3. The name "Jaxen" must not be used to endorse or promote products
 24  
  *    derived from this software without prior written permission.  For
 25  
  *    written permission, please contact license@jaxen.org.
 26  
  *
 27  
  * 4. Products derived from this software may not be called "Jaxen", nor
 28  
  *    may "Jaxen" appear in their name, without prior written permission
 29  
  *    from the Jaxen Project Management (pm@jaxen.org).
 30  
  *
 31  
  * In addition, we request (but do not require) that you include in the
 32  
  * end-user documentation provided with the redistribution and/or in the
 33  
  * software itself an acknowledgement equivalent to the following:
 34  
  *     "This product includes software developed by the
 35  
  *      Jaxen Project <http://www.jaxen.org/>."
 36  
  * Alternatively, the acknowledgment may be graphical using the logos
 37  
  * available at http://www.jaxen.org/
 38  
  *
 39  
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 40  
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 41  
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 42  
  * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
 43  
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 44  
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 45  
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 46  
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 47  
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 48  
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 49  
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 50  
  * SUCH DAMAGE.
 51  
  *
 52  
  * ====================================================================
 53  
  * This software consists of voluntary contributions made by many
 54  
  * individuals on behalf of the Jaxen Project and was originally
 55  
  * created by bob mcwhirter <bob@werken.com> and
 56  
  * James Strachan <jstrachan@apache.org>.  For more information on the
 57  
  * Jaxen Project, please see <http://www.jaxen.org/>.
 58  
  *
 59  
  * $Id: DefaultFunctionCallExpr.java,v 1.14 2005/09/06 13:41:01 elharo Exp $
 60  
  */
 61  
 
 62  
 package org.jaxen.expr;
 63  
 
 64  
 import java.util.ArrayList;
 65  
 import java.util.Iterator;
 66  
 import java.util.List;
 67  
 
 68  
 import org.jaxen.Context;
 69  
 import org.jaxen.Function;
 70  
 import org.jaxen.JaxenException;
 71  
 
 72  
 /**
 73  
  * @deprecated this class will become non-public in the future;
 74  
  *     use the interface instead
 75  
  */
 76  
 public class DefaultFunctionCallExpr extends DefaultExpr implements FunctionCallExpr
 77  
 {
 78  
     private String prefix;
 79  
     private String functionName;
 80  
     private List parameters;
 81  
 
 82  
     public DefaultFunctionCallExpr(String prefix, String functionName)
 83  4632
     {
 84  4632
         this.prefix = prefix;
 85  4632
         this.functionName = functionName;
 86  4632
         this.parameters = new ArrayList();
 87  4632
     }
 88  
 
 89  
     public void addParameter(Expr parameter)
 90  
     {
 91  5472
         this.parameters.add(parameter);
 92  5472
     }
 93  
 
 94  
 
 95  
     public List getParameters()
 96  
     {
 97  17178
         return this.parameters;
 98  
     }
 99  
 
 100  
     public String getPrefix()
 101  
     {
 102  25206
         return this.prefix;
 103  
     }
 104  
 
 105  
     public String getFunctionName()
 106  
     {
 107  12612
         return this.functionName;
 108  
     }
 109  
 
 110  
 
 111  
     public String getText()
 112  
     {
 113  18
         StringBuffer buf = new StringBuffer();
 114  18
         String prefix = getPrefix();
 115  
 
 116  18
         if (prefix != null &&
 117  
                 prefix.length() > 0)
 118  
         {
 119  0
             buf.append(prefix);
 120  0
             buf.append(":");
 121  
         }
 122  
 
 123  18
         buf.append(getFunctionName());
 124  18
         buf.append("(");
 125  
 
 126  18
         Iterator paramIter = getParameters().iterator();
 127  
 
 128  36
         while (paramIter.hasNext()) {
 129  18
             Expr eachParam = (Expr) paramIter.next();
 130  
 
 131  18
             buf.append(eachParam.getText());
 132  
 
 133  18
             if (paramIter.hasNext())
 134  
             {
 135  0
                 buf.append(", ");
 136  
             }
 137  
         }
 138  
 
 139  18
         buf.append(")");
 140  
 
 141  18
         return buf.toString();
 142  
     }
 143  
 
 144  
     public Expr simplify()
 145  
     {
 146  4584
         List paramExprs = getParameters();
 147  4584
         int paramSize = paramExprs.size();
 148  
 
 149  4584
         List newParams = new ArrayList(paramSize);
 150  
 
 151  10032
         for (int i = 0; i < paramSize; ++i)
 152  
         {
 153  5448
             Expr eachParam = (Expr) paramExprs.get(i);
 154  
 
 155  5448
             newParams.add(eachParam.simplify());
 156  
         }
 157  
 
 158  4584
         this.parameters = newParams;
 159  
 
 160  4584
         return this;
 161  
     }
 162  
 
 163  
 
 164  
     public String toString()
 165  
     {
 166  0
         String prefix = getPrefix();
 167  
 
 168  0
         if (prefix == null)
 169  
         {
 170  0
             return "[(DefaultFunctionCallExpr): " + getFunctionName() + "(" + getParameters() + ") ]";
 171  
         }
 172  
 
 173  0
         return "[(DefaultFunctionCallExpr): " + getPrefix() + ":" + getFunctionName() + "(" + getParameters() + ") ]";
 174  
     }
 175  
 
 176  
     public Object evaluate(Context context) throws JaxenException
 177  
     {
 178  12594
         String namespaceURI =
 179  
                 context.translateNamespacePrefixToUri(getPrefix());
 180  
 
 181  12594
         Function func = context.getFunction(namespaceURI,
 182  
                 getPrefix(),
 183  
                 getFunctionName());
 184  12576
         List paramValues = evaluateParams(context);
 185  
 
 186  12576
         return func.call(context, paramValues);
 187  
     }
 188  
 
 189  
     public List evaluateParams(Context context) throws JaxenException
 190  
     {
 191  12576
         List paramExprs = getParameters();
 192  12576
         int paramSize = paramExprs.size();
 193  
 
 194  12576
         List paramValues = new ArrayList(paramSize);
 195  
 
 196  19878
         for (int i = 0; i < paramSize; ++i)
 197  
         {
 198  7302
             Expr eachParam = (Expr) paramExprs.get(i);
 199  
 
 200  7302
             Object eachValue = eachParam.evaluate(context);
 201  
 
 202  7302
             paramValues.add(eachValue);
 203  
         }
 204  12576
         return paramValues;
 205  
     }
 206  
 
 207  
     public void accept(Visitor visitor)
 208  
     {
 209  0
         visitor.visit(this);
 210  0
     }
 211  
 }
 212