Coverage Report - org.apache.commons.ognl.ASTAssign
 
Classes in this File Line Coverage Branch Coverage Complexity
ASTAssign
47%
20/42
30%
9/30
3.667
 
 1  
 package org.apache.commons.ognl;
 2  
 
 3  
 /*
 4  
  * Licensed to the Apache Software Foundation (ASF) under one
 5  
  * or more contributor license agreements.  See the NOTICE file
 6  
  * distributed with this work for additional information
 7  
  * regarding copyright ownership.  The ASF licenses this file
 8  
  * to you under the Apache License, Version 2.0 (the
 9  
  * "License"); you may not use this file except in compliance
 10  
  * with the License.  You may obtain a copy of the License at
 11  
  *
 12  
  * http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing,
 15  
  * software distributed under the License is distributed on an
 16  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17  
  * KIND, either express or implied.  See the License for the
 18  
  * specific language governing permissions and limitations
 19  
  * under the License.
 20  
  */
 21  
 
 22  
 import org.apache.commons.ognl.enhance.OrderedReturn;
 23  
 import org.apache.commons.ognl.enhance.UnsupportedCompilationException;
 24  
 
 25  
 /**
 26  
  * $Id: ASTAssign.java 1194869 2011-10-29 11:10:16Z mcucchiara $
 27  
  * @author Luke Blanshard (blanshlu@netscape.net)
 28  
  * @author Drew Davidson (drew@ognl.org)
 29  
  */
 30  
 class ASTAssign
 31  
     extends SimpleNode
 32  
 {
 33  
     public ASTAssign( int id )
 34  
     {
 35  38
         super( id );
 36  38
     }
 37  
 
 38  
     public ASTAssign( OgnlParser p, int id )
 39  
     {
 40  0
         super( p, id );
 41  0
     }
 42  
 
 43  
     protected Object getValueBody( OgnlContext context, Object source )
 44  
         throws OgnlException
 45  
     {
 46  51
         Object result = children[1].getValue( context, source );
 47  51
         children[0].setValue( context, source, result );
 48  51
         return result;
 49  
     }
 50  
 
 51  
     public String toGetSourceString( OgnlContext context, Object target )
 52  
     {
 53  14
         String result = "";
 54  
 
 55  14
         String first = children[0].toGetSourceString( context, target );
 56  2
         String second = "";
 57  
 
 58  2
         if ( ASTProperty.class.isInstance( children[1] ) )
 59  
         {
 60  0
             second += "((" + OgnlRuntime.getCompiler( context ).getClassName( target.getClass() ) + ")$2).";
 61  
         }
 62  
 
 63  2
         second += children[1].toGetSourceString( context, target );
 64  
 
 65  2
         if ( ASTSequence.class.isAssignableFrom( children[1].getClass() ) )
 66  
         {
 67  0
             ASTSequence seq = (ASTSequence) children[1];
 68  
 
 69  0
             context.setCurrentType( Object.class );
 70  
 
 71  0
             String core = seq.getCoreExpression();
 72  0
             if ( core.endsWith( ";" ) )
 73  
             {
 74  0
                 core = core.substring( 0, core.lastIndexOf( ";" ) );
 75  
             }
 76  
 
 77  0
             second =
 78  
                 OgnlRuntime.getCompiler( context ).createLocalReference( context,
 79  
                                                                 "org.apache.commons.ognl.OgnlOps.returnValue(($w)"
 80  
                                                                     + core + ", ($w) " + seq.getLastExpression() + ")",
 81  
                                                                 Object.class );
 82  
         }
 83  
 
 84  2
         if ( NodeType.class.isInstance( children[1] ) && !ASTProperty.class.isInstance( children[1] )
 85  
             && ( (NodeType) children[1] ).getGetterClass() != null && !OrderedReturn.class.isInstance( children[1] ) )
 86  
         {
 87  
 
 88  2
             second = "new " + ( (NodeType) children[1] ).getGetterClass().getName() + "(" + second + ")";
 89  
         }
 90  
 
 91  2
         if ( OrderedReturn.class.isAssignableFrom( children[0].getClass() )
 92  
             && ( (OrderedReturn) children[0] ).getCoreExpression() != null )
 93  
         {
 94  1
             context.setCurrentType( Object.class );
 95  
 
 96  1
             result = first + second + ")";
 97  
 
 98  
             // System.out.println("building ordered ret from child[0] with result of:" + result);
 99  
 
 100  1
             result =
 101  
                 OgnlRuntime
 102  
                     .getCompiler( context )
 103  
                     .createLocalReference( context,
 104  
                                            "org.apache.commons.ognl.OgnlOps.returnValue(($w)" + result + ", ($w)"
 105  
                                                + ( (OrderedReturn) children[0] ).getLastExpression() + ")",
 106  
                                            Object.class );
 107  
         }
 108  
 
 109  2
         return result;
 110  
     }
 111  
 
 112  
     public String toSetSourceString( OgnlContext context, Object target )
 113  
     {
 114  2
         String result = "";
 115  
 
 116  2
         result += children[0].toSetSourceString( context, target );
 117  
 
 118  0
         if ( ASTProperty.class.isInstance( children[1] ) )
 119  
         {
 120  0
             result += "((" + OgnlRuntime.getCompiler( context ).getClassName( target.getClass() ) + ")$2).";
 121  
         }
 122  
 
 123  0
         String value = children[1].toSetSourceString( context, target );
 124  
 
 125  0
         if ( value == null )
 126  
         {
 127  0
             throw new UnsupportedCompilationException(
 128  
                 "Value for assignment is null, can't enhance statement to bytecode." );
 129  
         }
 130  
 
 131  0
         if ( ASTSequence.class.isAssignableFrom( children[1].getClass() ) )
 132  
         {
 133  0
             ASTSequence seq = (ASTSequence) children[1];
 134  0
             result = seq.getCoreExpression() + result;
 135  0
             value = seq.getLastExpression();
 136  
         }
 137  
 
 138  0
         if ( NodeType.class.isInstance( children[1] ) && !ASTProperty.class.isInstance( children[1] )
 139  
             && ( (NodeType) children[1] ).getGetterClass() != null )
 140  
         {
 141  
 
 142  0
             value = "new " + ( (NodeType) children[1] ).getGetterClass().getName() + "(" + value + ")";
 143  
         }
 144  
 
 145  0
         return result + value + ")";
 146  
     }
 147  
     
 148  
     public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data )
 149  
         throws OgnlException
 150  
     {
 151  0
         return visitor.visit( this, data );
 152  
     }
 153  
 }