| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| DefaultFunctionCallExpr |
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| 1.6363636363636365;1.636 |
| 1 | /* |
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| 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 $ |
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| 3 | * $Revision: 1.14 $ |
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| 4 | * $Date: 2005/09/06 13:41:01 $ |
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| 5 | * |
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| 6 | * ==================================================================== |
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| 7 | * |
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| 8 | * Copyright (C) 2000-2004 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: DefaultFunctionCallExpr.java,v 1.14 2005/09/06 13:41:01 elharo Exp $ |
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| 60 | */ |
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| 61 | ||
| 62 | package org.jaxen.expr; |
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| 63 | ||
| 64 | import java.util.ArrayList; |
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| 65 | import java.util.Iterator; |
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| 66 | import java.util.List; |
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| 67 | ||
| 68 | import org.jaxen.Context; |
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| 69 | import org.jaxen.Function; |
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| 70 | import org.jaxen.JaxenException; |
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| 71 | ||
| 72 | /** |
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| 73 | * @deprecated this class will become non-public in the future; |
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| 74 | * use the interface instead |
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| 75 | */ |
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| 76 | public class DefaultFunctionCallExpr extends DefaultExpr implements FunctionCallExpr |
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| 77 | { |
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| 78 | private String prefix; |
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| 79 | private String functionName; |
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| 80 | private List parameters; |
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| 81 | ||
| 82 | public DefaultFunctionCallExpr(String prefix, String functionName) |
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| 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) |
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| 90 | { |
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| 91 | 5472 | this.parameters.add(parameter); |
| 92 | 5472 | } |
| 93 | ||
| 94 | ||
| 95 | public List getParameters() |
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| 96 | { |
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| 97 | 17178 | return this.parameters; |
| 98 | } |
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| 99 | ||
| 100 | public String getPrefix() |
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| 101 | { |
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| 102 | 25206 | return this.prefix; |
| 103 | } |
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| 104 | ||
| 105 | public String getFunctionName() |
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| 106 | { |
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| 107 | 12612 | return this.functionName; |
| 108 | } |
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| 109 | ||
| 110 | ||
| 111 | public String getText() |
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| 112 | { |
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| 113 | 18 | StringBuffer buf = new StringBuffer(); |
| 114 | 18 | String prefix = getPrefix(); |
| 115 | ||
| 116 | 18 | if (prefix != null && |
| 117 | prefix.length() > 0) |
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| 118 | { |
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| 119 | 0 | buf.append(prefix); |
| 120 | 0 | buf.append(":"); |
| 121 | } |
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| 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 | { |
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| 135 | 0 | buf.append(", "); |
| 136 | } |
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| 137 | } |
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| 138 | ||
| 139 | 18 | buf.append(")"); |
| 140 | ||
| 141 | 18 | return buf.toString(); |
| 142 | } |
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| 143 | ||
| 144 | public Expr simplify() |
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| 145 | { |
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| 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 | { |
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| 153 | 5448 | Expr eachParam = (Expr) paramExprs.get(i); |
| 154 | ||
| 155 | 5448 | newParams.add(eachParam.simplify()); |
| 156 | } |
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| 157 | ||
| 158 | 4584 | this.parameters = newParams; |
| 159 | ||
| 160 | 4584 | return this; |
| 161 | } |
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| 162 | ||
| 163 | ||
| 164 | public String toString() |
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| 165 | { |
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| 166 | 0 | String prefix = getPrefix(); |
| 167 | ||
| 168 | 0 | if (prefix == null) |
| 169 | { |
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| 170 | 0 | return "[(DefaultFunctionCallExpr): " + getFunctionName() + "(" + getParameters() + ") ]"; |
| 171 | } |
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| 172 | ||
| 173 | 0 | return "[(DefaultFunctionCallExpr): " + getPrefix() + ":" + getFunctionName() + "(" + getParameters() + ") ]"; |
| 174 | } |
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| 175 | ||
| 176 | public Object evaluate(Context context) throws JaxenException |
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| 177 | { |
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| 178 | 12594 | String namespaceURI = |
| 179 | context.translateNamespacePrefixToUri(getPrefix()); |
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| 180 | ||
| 181 | 12594 | Function func = context.getFunction(namespaceURI, |
| 182 | getPrefix(), |
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| 183 | getFunctionName()); |
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| 184 | 12576 | List paramValues = evaluateParams(context); |
| 185 | ||
| 186 | 12576 | return func.call(context, paramValues); |
| 187 | } |
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| 188 | ||
| 189 | public List evaluateParams(Context context) throws JaxenException |
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| 190 | { |
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| 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 | { |
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| 198 | 7302 | Expr eachParam = (Expr) paramExprs.get(i); |
| 199 | ||
| 200 | 7302 | Object eachValue = eachParam.evaluate(context); |
| 201 | ||
| 202 | 7302 | paramValues.add(eachValue); |
| 203 | } |
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| 204 | 12576 | return paramValues; |
| 205 | } |
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| 206 | ||
| 207 | public void accept(Visitor visitor) |
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| 208 | { |
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| 209 | 0 | visitor.visit(this); |
| 210 | 0 | } |
| 211 | } |
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| 212 |