| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| DefaultPathExpr |
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| 2.6666666666666665;2.667 |
| 1 | /* |
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| 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 $ |
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| 3 | * $Revision: 1.12 $ |
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| 4 | * $Date: 2005/06/28 13:44:44 $ |
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| 5 | * |
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| 6 | * ==================================================================== |
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| 7 | * |
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| 8 | * Copyright (C) 2000-2002 bob mcwhirter & James Strachan. |
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| 9 | * All rights reserved. |
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| 10 | * |
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| 11 | * Redistribution and use in source and binary forms, with or without |
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| 12 | * modification, are permitted provided that the following conditions |
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| 13 | * are met: |
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| 14 | * |
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| 15 | * 1. Redistributions of source code must retain the above copyright |
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| 16 | * notice, this list of conditions, and the following disclaimer. |
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| 17 | * |
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| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 19 | * notice, this list of conditions, and the disclaimer that follows |
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| 20 | * these conditions in the documentation and/or other materials |
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| 21 | * provided with the distribution. |
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| 22 | * |
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| 23 | * 3. The name "Jaxen" must not be used to endorse or promote products |
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| 24 | * derived from this software without prior written permission. For |
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| 25 | * written permission, please contact license@jaxen.org. |
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| 26 | * |
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| 27 | * 4. Products derived from this software may not be called "Jaxen", nor |
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| 28 | * may "Jaxen" appear in their name, without prior written permission |
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| 29 | * from the Jaxen Project Management (pm@jaxen.org). |
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| 30 | * |
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| 31 | * In addition, we request (but do not require) that you include in the |
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| 32 | * end-user documentation provided with the redistribution and/or in the |
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| 33 | * software itself an acknowledgement equivalent to the following: |
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| 34 | * "This product includes software developed by the |
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| 35 | * Jaxen Project <http://www.jaxen.org/>." |
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| 36 | * Alternatively, the acknowledgment may be graphical using the logos |
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| 37 | * available at http://www.jaxen.org/ |
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| 38 | * |
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| 39 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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| 40 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 41 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 42 | * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT |
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| 43 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 45 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| 46 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 47 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 48 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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| 49 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 50 | * SUCH DAMAGE. |
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| 51 | * |
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| 52 | * ==================================================================== |
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| 53 | * This software consists of voluntary contributions made by many |
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| 54 | * individuals on behalf of the Jaxen Project and was originally |
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| 55 | * created by bob mcwhirter <bob@werken.com> and |
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| 56 | * James Strachan <jstrachan@apache.org>. For more information on the |
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| 57 | * Jaxen Project, please see <http://www.jaxen.org/>. |
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| 58 | * |
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| 59 | * $Id: DefaultPathExpr.java,v 1.12 2005/06/28 13:44:44 elharo Exp $ |
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| 60 | */ |
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| 61 | ||
| 62 | package org.jaxen.expr; |
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| 63 | ||
| 64 | ||
| 65 | import org.jaxen.Context; |
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| 66 | import org.jaxen.JaxenException; |
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| 67 | ||
| 68 | ||
| 69 | class DefaultPathExpr extends DefaultExpr implements PathExpr { |
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| 70 | ||
| 71 | private Expr filterExpr; |
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| 72 | private LocationPath locationPath; |
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| 73 | ||
| 74 | DefaultPathExpr(Expr filterExpr, |
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| 75 | 23094 | LocationPath locationPath) { |
| 76 | 23094 | this.filterExpr = filterExpr; |
| 77 | 23094 | this.locationPath = locationPath; |
| 78 | 23094 | } |
| 79 | ||
| 80 | public Expr getFilterExpr() { |
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| 81 | 82236 | return this.filterExpr; |
| 82 | } |
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| 83 | ||
| 84 | ||
| 85 | public void setFilterExpr(Expr filterExpr) { |
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| 86 | 13368 | this.filterExpr = filterExpr; |
| 87 | 13368 | } |
| 88 | ||
| 89 | ||
| 90 | public LocationPath getLocationPath() { |
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| 91 | 74610 | return this.locationPath; |
| 92 | } |
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| 93 | ||
| 94 | ||
| 95 | public String toString() { |
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| 96 | 0 | if (getLocationPath() != null) { |
| 97 | 0 | return "[(DefaultPathExpr): " + getFilterExpr() + ", " + getLocationPath() + "]"; |
| 98 | } |
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| 99 | ||
| 100 | 0 | return "[(DefaultPathExpr): " + getFilterExpr() + "]"; |
| 101 | } |
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| 102 | ||
| 103 | ||
| 104 | public String getText() { |
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| 105 | 0 | StringBuffer buf = new StringBuffer(); |
| 106 | ||
| 107 | 0 | if (getFilterExpr() != null) { |
| 108 | 0 | buf.append(getFilterExpr().getText()); |
| 109 | } |
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| 110 | ||
| 111 | 0 | if (getLocationPath() != null) { |
| 112 | 0 | buf.append(getLocationPath().getText()); |
| 113 | } |
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| 114 | ||
| 115 | 0 | return buf.toString(); |
| 116 | } |
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| 117 | ||
| 118 | ||
| 119 | public Expr simplify() { |
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| 120 | 22848 | if (getFilterExpr() != null) { |
| 121 | 13368 | setFilterExpr(getFilterExpr().simplify()); |
| 122 | } |
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| 123 | ||
| 124 | 22848 | if (getLocationPath() != null) { |
| 125 | 9642 | getLocationPath().simplify(); |
| 126 | } |
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| 127 | ||
| 128 | 22848 | if (getFilterExpr() == null && getLocationPath() == null) { |
| 129 | 0 | return null; |
| 130 | } |
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| 131 | ||
| 132 | ||
| 133 | 22848 | if (getLocationPath() == null) { |
| 134 | 13206 | return getFilterExpr(); |
| 135 | } |
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| 136 | ||
| 137 | 9642 | if (getFilterExpr() == null) { |
| 138 | 9480 | return getLocationPath(); |
| 139 | } |
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| 140 | ||
| 141 | 162 | return this; |
| 142 | } |
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| 143 | ||
| 144 | public Object evaluate(Context context) throws JaxenException { |
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| 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 | } |
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| 152 | 156 | if (getLocationPath() != null) { |
| 153 | 156 | return getLocationPath().evaluate(pathContext); |
| 154 | } |
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| 155 | 0 | return results; |
| 156 | } |
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| 157 | ||
| 158 | public void accept(Visitor visitor) { |
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| 159 | 0 | visitor.visit(this); |
| 160 | 0 | } |
| 161 | } |
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| 162 |