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| org.apache.commons.jexl.parser.ASTMulNode | 
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| 1 |  /* | |
| 2 |   * Copyright 2002-2006 The Apache Software Foundation. | |
| 3 |   * | |
| 4 |   * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 |   * you may not use this file except in compliance with the License. | |
| 6 |   * You may obtain a copy of the License at | |
| 7 |   * | |
| 8 |   *      http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 |   * | |
| 10 |   * Unless required by applicable law or agreed to in writing, software | |
| 11 |   * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 |   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 |   * See the License for the specific language governing permissions and | |
| 14 |   * limitations under the License. | |
| 15 |   */ | |
| 16 | ||
| 17 |  package org.apache.commons.jexl.parser; | |
| 18 | ||
| 19 |  import org.apache.commons.jexl.JexlContext; | |
| 20 |  import org.apache.commons.jexl.util.Coercion; | |
| 21 | ||
| 22 |  /** | |
| 23 |   * Multiplication. | |
| 24 |   *  | |
| 25 |   * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a> | |
| 26 |   * @version $Id: ASTMulNode.java 398206 2006-04-29 16:51:38Z dion $ | |
| 27 |   */ | |
| 28 | public class ASTMulNode extends SimpleNode { | |
| 29 |      /** | |
| 30 |       * Create the node given an id. | |
| 31 |       *  | |
| 32 |       * @param id node id. | |
| 33 |       */ | |
| 34 | public ASTMulNode(int id) { | |
| 35 | 0 |          super(id); | 
| 36 | 0 |      } | 
| 37 | ||
| 38 |      /** | |
| 39 |       * Create a node with the given parser and id. | |
| 40 |       *  | |
| 41 |       * @param p a parser. | |
| 42 |       * @param id node id. | |
| 43 |       */ | |
| 44 | public ASTMulNode(Parser p, int id) { | |
| 45 | 14 |          super(p, id); | 
| 46 | 14 | } | 
| 47 | ||
| 48 |      /** {@inheritDoc} */ | |
| 49 |      public Object jjtAccept(ParserVisitor visitor, Object data) { | |
| 50 | 0 |          return visitor.visit(this, data); | 
| 51 | } | |
| 52 | ||
| 53 |      /** {@inheritDoc} */ | |
| 54 |      public Object value(JexlContext context) throws Exception { | |
| 55 | 19 | Object left = ((SimpleNode) jjtGetChild(0)).value(context); | 
| 56 | 19 | Object right = ((SimpleNode) jjtGetChild(1)).value(context); | 
| 57 | ||
| 58 |          /* | |
| 59 |           * the spec says 'and', I think 'or' | |
| 60 |           */ | |
| 61 | 19 | if (left == null && right == class="keyword">null) { | 
| 62 | 0 |              return new Byte((byte) 0); | 
| 63 | } | |
| 64 | ||
| 65 |          /* | |
| 66 |           * if anything is float, double or string with ( "." | "E" | "e") coerce | |
| 67 |           * all to doubles and do it | |
| 68 |           */ | |
| 69 | 19 |          if (left instanceof Float | 
| 70 | || left instanceof Double | |
| 71 | || right instanceof Float | |
| 72 | || right instanceof Double | |
| 73 | || (left instanceof String | |
| 74 |                  && (((String) left).indexOf(".") != -1  | |
| 75 |                      || ((String) left).indexOf("e") != -1  | |
| 76 |                      || ((String) left).indexOf("E") != -1)) | |
| 77 | || (right instanceof String | |
| 78 |                  && (((String) right).indexOf(".") != -1  | |
| 79 |                      || ((String) right).indexOf("e") != -1  | |
| 80 |                      || ((String) right).indexOf("E") != -1))) { | |
| 81 | 4 | Double l = Coercion.coerceDouble(left); | 
| 82 | 4 | Double r = Coercion.coerceDouble(right); | 
| 83 | ||
| 84 | 4 | return new Double(l.doubleValue() * r.doubleValue()); | 
| 85 | } | |
| 86 | ||
| 87 |          /* | |
| 88 |           * otherwise to longs with thee! | |
| 89 |           */ | |
| 90 | ||
| 91 | 15 | Long l = Coercion.coerceLong(left); | 
| 92 | 15 | Long r = Coercion.coerceLong(right); | 
| 93 | ||
| 94 | 15 | return new Long(l.longValue() * r.longValue()); | 
| 95 | } | |
| 96 | ||
| 97 | } | 
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |