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package org.apache.commons.ognl; |
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import org.apache.commons.ognl.enhance.OrderedReturn; |
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import org.apache.commons.ognl.enhance.UnsupportedCompilationException; |
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class ASTAssign |
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extends SimpleNode |
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{ |
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public ASTAssign( int id ) |
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{ |
35 | 38 | super( id ); |
36 | 38 | } |
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public ASTAssign( OgnlParser p, int id ) |
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{ |
40 | 0 | super( p, id ); |
41 | 0 | } |
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protected Object getValueBody( OgnlContext context, Object source ) |
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throws OgnlException |
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{ |
46 | 51 | Object result = children[1].getValue( context, source ); |
47 | 51 | children[0].setValue( context, source, result ); |
48 | 51 | return result; |
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} |
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public String toGetSourceString( OgnlContext context, Object target ) |
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{ |
53 | 14 | String result = ""; |
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55 | 14 | String first = children[0].toGetSourceString( context, target ); |
56 | 2 | String second = ""; |
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58 | 2 | if ( ASTProperty.class.isInstance( children[1] ) ) |
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{ |
60 | 0 | second += "((" + OgnlRuntime.getCompiler( context ).getClassName( target.getClass() ) + ")$2)."; |
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} |
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63 | 2 | second += children[1].toGetSourceString( context, target ); |
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65 | 2 | if ( ASTSequence.class.isAssignableFrom( children[1].getClass() ) ) |
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{ |
67 | 0 | ASTSequence seq = (ASTSequence) children[1]; |
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69 | 0 | context.setCurrentType( Object.class ); |
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71 | 0 | String core = seq.getCoreExpression(); |
72 | 0 | if ( core.endsWith( ";" ) ) |
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{ |
74 | 0 | core = core.substring( 0, core.lastIndexOf( ";" ) ); |
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} |
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|
77 | 0 | second = |
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OgnlRuntime.getCompiler( context ).createLocalReference( context, |
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"org.apache.commons.ognl.OgnlOps.returnValue(($w)" |
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+ core + ", ($w) " + seq.getLastExpression() + ")", |
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Object.class ); |
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} |
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84 | 2 | if ( NodeType.class.isInstance( children[1] ) && !ASTProperty.class.isInstance( children[1] ) |
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&& ( (NodeType) children[1] ).getGetterClass() != null && !OrderedReturn.class.isInstance( children[1] ) ) |
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{ |
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88 | 2 | second = "new " + ( (NodeType) children[1] ).getGetterClass().getName() + "(" + second + ")"; |
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} |
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|
91 | 2 | if ( OrderedReturn.class.isAssignableFrom( children[0].getClass() ) |
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&& ( (OrderedReturn) children[0] ).getCoreExpression() != null ) |
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{ |
94 | 1 | context.setCurrentType( Object.class ); |
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96 | 1 | result = first + second + ")"; |
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100 | 1 | result = |
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OgnlRuntime |
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.getCompiler( context ) |
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.createLocalReference( context, |
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"org.apache.commons.ognl.OgnlOps.returnValue(($w)" + result + ", ($w)" |
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+ ( (OrderedReturn) children[0] ).getLastExpression() + ")", |
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Object.class ); |
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} |
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109 | 2 | return result; |
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} |
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public String toSetSourceString( OgnlContext context, Object target ) |
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{ |
114 | 2 | String result = ""; |
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116 | 2 | result += children[0].toSetSourceString( context, target ); |
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|
118 | 0 | if ( ASTProperty.class.isInstance( children[1] ) ) |
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{ |
120 | 0 | result += "((" + OgnlRuntime.getCompiler( context ).getClassName( target.getClass() ) + ")$2)."; |
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} |
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123 | 0 | String value = children[1].toSetSourceString( context, target ); |
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125 | 0 | if ( value == null ) |
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{ |
127 | 0 | throw new UnsupportedCompilationException( |
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"Value for assignment is null, can't enhance statement to bytecode." ); |
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} |
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131 | 0 | if ( ASTSequence.class.isAssignableFrom( children[1].getClass() ) ) |
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{ |
133 | 0 | ASTSequence seq = (ASTSequence) children[1]; |
134 | 0 | result = seq.getCoreExpression() + result; |
135 | 0 | value = seq.getLastExpression(); |
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} |
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|
138 | 0 | if ( NodeType.class.isInstance( children[1] ) && !ASTProperty.class.isInstance( children[1] ) |
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&& ( (NodeType) children[1] ).getGetterClass() != null ) |
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{ |
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142 | 0 | value = "new " + ( (NodeType) children[1] ).getGetterClass().getName() + "(" + value + ")"; |
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} |
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145 | 0 | return result + value + ")"; |
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} |
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public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data ) |
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throws OgnlException |
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{ |
151 | 0 | return visitor.visit( this, data ); |
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} |
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} |