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 |