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package org.apache.commons.ognl; |
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import org.apache.commons.ognl.enhance.UnsupportedCompilationException; |
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class ASTEval |
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extends SimpleNode |
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{ |
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public ASTEval( int id ) |
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{ |
35 | 20 | super( id ); |
36 | 20 | } |
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public ASTEval( 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 | 95 | Object result, expr = children[0].getValue( context, source ), previousRoot = context.getRoot(); |
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Node node; |
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49 | 95 | source = children[1].getValue( context, source ); |
50 | 95 | node = ( expr instanceof Node ) ? (Node) expr : (Node) Ognl.parseExpression( expr.toString() ); |
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try |
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{ |
53 | 95 | context.setRoot( source ); |
54 | 95 | result = node.getValue( context, source ); |
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} |
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finally |
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{ |
58 | 95 | context.setRoot( previousRoot ); |
59 | 95 | } |
60 | 95 | return result; |
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} |
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protected void setValueBody( OgnlContext context, Object target, Object value ) |
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throws OgnlException |
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{ |
66 | 1 | Object expr = children[0].getValue( context, target ), previousRoot = context.getRoot(); |
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Node node; |
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69 | 1 | target = children[1].getValue( context, target ); |
70 | 1 | node = ( expr instanceof Node ) ? (Node) expr : (Node) Ognl.parseExpression( expr.toString() ); |
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try |
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{ |
73 | 1 | context.setRoot( target ); |
74 | 1 | node.setValue( context, target, value ); |
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} |
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finally |
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{ |
78 | 1 | context.setRoot( previousRoot ); |
79 | 1 | } |
80 | 1 | } |
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public String toGetSourceString( OgnlContext context, Object target ) |
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{ |
84 | 1 | throw new UnsupportedCompilationException( "Eval expressions not supported as native java yet." ); |
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} |
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public String toSetSourceString( OgnlContext context, Object target ) |
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{ |
89 | 0 | throw new UnsupportedCompilationException( "Map expressions not supported as native java yet." ); |
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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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{ |
95 | 0 | return visitor.visit( this, data ); |
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} |
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@Override |
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public boolean isEvalChain( OgnlContext context ) |
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throws OgnlException |
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{ |
102 | 0 | return true; |
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} |
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} |