| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DefaultPathExpr |
|
| 3.0;3 |
| 1 | /* | |
| 2 | * $Header$ | |
| 3 | * $Revision: 1261 $ | |
| 4 | * $Date: 2006-11-30 10:49:27 -0800 (Thu, 30 Nov 2006) $ | |
| 5 | * | |
| 6 | * ==================================================================== | |
| 7 | * | |
| 8 | * Copyright 2000-2002 bob mcwhirter & James Strachan. | |
| 9 | * All rights reserved. | |
| 10 | * | |
| 11 | * | |
| 12 | * Redistribution and use in source and binary forms, with or without | |
| 13 | * modification, are permitted provided that the following conditions are | |
| 14 | * met: | |
| 15 | * | |
| 16 | * * Redistributions of source code must retain the above copyright | |
| 17 | * notice, this list of conditions and the following disclaimer. | |
| 18 | * | |
| 19 | * * Redistributions in binary form must reproduce the above copyright | |
| 20 | * notice, this list of conditions and the following disclaimer in the | |
| 21 | * documentation and/or other materials provided with the distribution. | |
| 22 | * | |
| 23 | * * Neither the name of the Jaxen Project nor the names of its | |
| 24 | * contributors may be used to endorse or promote products derived | |
| 25 | * from this software without specific prior written permission. | |
| 26 | * | |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
| 28 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| 29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 30 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
| 31 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 32 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 33 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 34 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 35 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 36 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 37 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 38 | * | |
| 39 | * ==================================================================== | |
| 40 | * This software consists of voluntary contributions made by many | |
| 41 | * individuals on behalf of the Jaxen Project and was originally | |
| 42 | * created by bob mcwhirter <bob@werken.com> and | |
| 43 | * James Strachan <jstrachan@apache.org>. For more information on the | |
| 44 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
| 45 | * | |
| 46 | * $Id: DefaultPathExpr.java 1261 2006-11-30 18:49:27Z elharo $ | |
| 47 | */ | |
| 48 | ||
| 49 | package org.jaxen.expr; | |
| 50 | ||
| 51 | ||
| 52 | import org.jaxen.Context; | |
| 53 | import org.jaxen.JaxenException; | |
| 54 | ||
| 55 | ||
| 56 | class DefaultPathExpr extends DefaultExpr implements PathExpr { | |
| 57 | ||
| 58 | private static final long serialVersionUID = -6593934674727004281L; | |
| 59 | private Expr filterExpr; | |
| 60 | private LocationPath locationPath; | |
| 61 | ||
| 62 | DefaultPathExpr(Expr filterExpr, | |
| 63 | 37168 | LocationPath locationPath) { |
| 64 | 37168 | this.filterExpr = filterExpr; |
| 65 | 37168 | this.locationPath = locationPath; |
| 66 | 37168 | } |
| 67 | ||
| 68 | public Expr getFilterExpr() { | |
| 69 | 135295 | return this.filterExpr; |
| 70 | } | |
| 71 | ||
| 72 | ||
| 73 | public void setFilterExpr(Expr filterExpr) { | |
| 74 | 23641 | this.filterExpr = filterExpr; |
| 75 | 23641 | } |
| 76 | ||
| 77 | ||
| 78 | public LocationPath getLocationPath() { | |
| 79 | 115042 | return this.locationPath; |
| 80 | } | |
| 81 | ||
| 82 | ||
| 83 | public String toString() { | |
| 84 | 5 | if (getLocationPath() != null) { |
| 85 | 5 | return "[(DefaultPathExpr): " + getFilterExpr() + ", " + getLocationPath() + "]"; |
| 86 | } | |
| 87 | ||
| 88 | 0 | return "[(DefaultPathExpr): " + getFilterExpr() + "]"; |
| 89 | } | |
| 90 | ||
| 91 | ||
| 92 | public String getText() { | |
| 93 | 125 | StringBuffer buf = new StringBuffer(); |
| 94 | ||
| 95 | 125 | if (getFilterExpr() != null) { |
| 96 | 125 | buf.append(getFilterExpr().getText()); |
| 97 | } | |
| 98 | ||
| 99 | 125 | if (getLocationPath() != null) { |
| 100 | 125 | if (!getLocationPath().getSteps().isEmpty()) buf.append("/"); |
| 101 | 125 | buf.append(getLocationPath().getText()); |
| 102 | } | |
| 103 | ||
| 104 | 125 | return buf.toString(); |
| 105 | } | |
| 106 | ||
| 107 | ||
| 108 | public Expr simplify() { | |
| 109 | 36963 | if (getFilterExpr() != null) { |
| 110 | 23641 | setFilterExpr(getFilterExpr().simplify()); |
| 111 | } | |
| 112 | ||
| 113 | 36963 | if (getLocationPath() != null) { |
| 114 | 13587 | getLocationPath().simplify(); |
| 115 | } | |
| 116 | ||
| 117 | 36963 | if (getFilterExpr() == null && getLocationPath() == null) { |
| 118 | 0 | return null; |
| 119 | } | |
| 120 | ||
| 121 | ||
| 122 | 36963 | if (getLocationPath() == null) { |
| 123 | 23376 | return getFilterExpr(); |
| 124 | } | |
| 125 | ||
| 126 | 13587 | if (getFilterExpr() == null) { |
| 127 | 13322 | return getLocationPath(); |
| 128 | } | |
| 129 | ||
| 130 | 265 | return this; |
| 131 | } | |
| 132 | ||
| 133 | public Object evaluate(Context context) throws JaxenException { | |
| 134 | 135 | Object results = null; |
| 135 | 135 | Context pathContext = null; |
| 136 | 135 | if (getFilterExpr() != null) { |
| 137 | 135 | results = getFilterExpr().evaluate(context); |
| 138 | 130 | pathContext = new Context(context.getContextSupport()); |
| 139 | 130 | pathContext.setNodeSet(convertToList(results)); |
| 140 | } | |
| 141 | 130 | if (getLocationPath() != null) { |
| 142 | 130 | return getLocationPath().evaluate(pathContext); |
| 143 | } | |
| 144 | 0 | return results; |
| 145 | } | |
| 146 | ||
| 147 | } | |
| 148 |