Coverage Report - org.jaxen.expr.DefaultPathExpr

Classes in this File Line Coverage Branch Coverage Complexity
DefaultPathExpr
67% 
70% 
2.667

 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultPathExpr.java,v 1.12 2005/06/28 13:44:44 elharo Exp $
 3  
  * $Revision: 1.12 $
 4  
  * $Date: 2005/06/28 13:44:44 $
 5  
  *
 6  
  * ====================================================================
 7  
  *
 8  
  * Copyright (C) 2000-2002 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: DefaultPathExpr.java,v 1.12 2005/06/28 13:44:44 elharo Exp $
 60  
  */
 61  
 
 62  
 package org.jaxen.expr;
 63  
 
 64  
 
 65  
 import org.jaxen.Context;
 66  
 import org.jaxen.JaxenException;
 67  
 
 68  
 
 69  
 class DefaultPathExpr extends DefaultExpr implements PathExpr {
 70  
 
 71  
     private Expr filterExpr;
 72  
     private LocationPath locationPath;
 73  
 
 74  
     DefaultPathExpr(Expr filterExpr,
 75  23094
                            LocationPath locationPath) {
 76  23094
         this.filterExpr = filterExpr;
 77  23094
         this.locationPath = locationPath;
 78  23094
     }
 79  
 
 80  
     public Expr getFilterExpr() {
 81  82236
         return this.filterExpr;
 82  
     }
 83  
 
 84  
 
 85  
     public void setFilterExpr(Expr filterExpr) {
 86  13368
         this.filterExpr = filterExpr;
 87  13368
     }
 88  
 
 89  
 
 90  
     public LocationPath getLocationPath() {
 91  74610
         return this.locationPath;
 92  
     }
 93  
 
 94  
 
 95  
     public String toString() {
 96  0
         if (getLocationPath() != null) {
 97  0
             return "[(DefaultPathExpr): " + getFilterExpr() + ", " + getLocationPath() + "]";
 98  
         }
 99  
 
 100  0
         return "[(DefaultPathExpr): " + getFilterExpr() + "]";
 101  
     }
 102  
 
 103  
 
 104  
     public String getText() {
 105  0
         StringBuffer buf = new StringBuffer();
 106  
 
 107  0
         if (getFilterExpr() != null) {
 108  0
             buf.append(getFilterExpr().getText());
 109  
         }
 110  
 
 111  0
         if (getLocationPath() != null) {
 112  0
             buf.append(getLocationPath().getText());
 113  
         }
 114  
 
 115  0
         return buf.toString();
 116  
     }
 117  
 
 118  
 
 119  
     public Expr simplify() {
 120  22848
         if (getFilterExpr() != null) {
 121  13368
             setFilterExpr(getFilterExpr().simplify());
 122  
         }
 123  
 
 124  22848
         if (getLocationPath() != null) {
 125  9642
             getLocationPath().simplify();
 126  
         }
 127  
 
 128  22848
         if (getFilterExpr() == null && getLocationPath() == null) {
 129  0
             return null;
 130  
         }
 131  
 
 132  
 
 133  22848
         if (getLocationPath() == null) {
 134  13206
             return getFilterExpr();
 135  
         }
 136  
 
 137  9642
         if (getFilterExpr() == null) {
 138  9480
             return getLocationPath();
 139  
         }
 140  
 
 141  162
         return this;
 142  
     }
 143  
 
 144  
     public Object evaluate(Context context) throws JaxenException {
 145  162
         Object results = null;
 146  162
         Context pathContext = null;
 147  162
         if (getFilterExpr() != null) {
 148  162
             results = getFilterExpr().evaluate(context);
 149  156
             pathContext = new Context(context.getContextSupport());
 150  156
             pathContext.setNodeSet(convertToList(results));
 151  
         }
 152  156
         if (getLocationPath() != null) {
 153  156
             return getLocationPath().evaluate(pathContext);
 154  
         }
 155  0
         return results;
 156  
     }
 157  
 
 158  
     public void accept(Visitor visitor) {
 159  0
         visitor.visit(this);
 160  0
     }
 161  
 }
 162