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package org.apache.commons.ognl; |
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import org.apache.commons.ognl.enhance.UnsupportedCompilationException; |
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public class ASTConst |
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extends SimpleNode |
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implements NodeType |
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{ |
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private Object value; |
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private Class getterClass; |
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public ASTConst( int id ) |
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{ |
40 | 2318 | super( id ); |
41 | 2318 | } |
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public ASTConst( OgnlParser p, int id ) |
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{ |
45 | 0 | super( p, id ); |
46 | 0 | } |
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public void setValue( Object value ) |
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{ |
54 | 2252 | this.value = value; |
55 | 2252 | } |
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public Object getValue() |
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{ |
59 | 808 | return value; |
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} |
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protected Object getValueBody( OgnlContext context, Object source ) |
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throws OgnlException |
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{ |
65 | 1114 | return this.value; |
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} |
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public boolean isNodeConstant( OgnlContext context ) |
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throws OgnlException |
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{ |
71 | 1284 | return true; |
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} |
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public Class getGetterClass() |
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{ |
76 | 675 | if ( getterClass == null ) |
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{ |
78 | 4 | return null; |
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} |
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81 | 671 | return getterClass; |
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} |
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public Class getSetterClass() |
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{ |
86 | 0 | return null; |
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} |
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public String toGetSourceString( OgnlContext context, Object target ) |
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{ |
91 | 1020 | if ( value == null && parent != null && ExpressionNode.class.isInstance( parent ) ) |
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{ |
93 | 22 | context.setCurrentType( null ); |
94 | 22 | return "null"; |
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} |
96 | 998 | else if ( value == null ) |
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{ |
98 | 15 | context.setCurrentType( null ); |
99 | 15 | return ""; |
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} |
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102 | 983 | getterClass = value.getClass(); |
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104 | 983 | Object retval = value; |
105 | 983 | if ( parent != null && ASTProperty.class.isInstance( parent ) ) |
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{ |
107 | 390 | context.setCurrentObject( value ); |
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|
109 | 390 | return value.toString(); |
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} |
111 | 593 | else if ( value != null && Number.class.isAssignableFrom( value.getClass() ) ) |
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{ |
113 | 302 | context.setCurrentType( OgnlRuntime.getPrimitiveWrapperClass( value.getClass() ) ); |
114 | 302 | context.setCurrentObject( value ); |
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116 | 302 | return value.toString(); |
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} |
118 | 291 | else if ( !( parent != null |
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&& value != null |
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&& NumericExpression.class.isAssignableFrom( parent.getClass() ) ) |
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&& String.class.isAssignableFrom( value.getClass() ) ) |
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{ |
123 | 159 | context.setCurrentType( String.class ); |
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125 | 159 | retval = '\"' + OgnlOps.getEscapeString( value.toString() ) + '\"'; |
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127 | 159 | context.setCurrentObject( retval.toString() ); |
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129 | 159 | return retval.toString(); |
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} |
131 | 132 | else if ( Character.class.isInstance( value ) ) |
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{ |
133 | 32 | Character val = (Character) value; |
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|
135 | 32 | context.setCurrentType( Character.class ); |
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|
137 | 32 | if ( Character.isLetterOrDigit( val.charValue() ) ) |
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{ |
139 | 14 | retval = "'" + ( (Character) value ).charValue() + "'"; |
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} |
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else |
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{ |
143 | 18 | retval = "'" + OgnlOps.getEscapedChar( ( (Character) value ).charValue() ) + "'"; |
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} |
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146 | 32 | context.setCurrentObject( retval ); |
147 | 32 | return retval.toString(); |
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} |
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150 | 100 | if ( Boolean.class.isAssignableFrom( value.getClass() ) ) |
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{ |
152 | 38 | getterClass = Boolean.TYPE; |
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154 | 38 | context.setCurrentType( Boolean.TYPE ); |
155 | 38 | context.setCurrentObject( value ); |
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157 | 38 | return value.toString(); |
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} |
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160 | 62 | return value.toString(); |
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} |
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public String toSetSourceString( OgnlContext context, Object target ) |
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{ |
165 | 13 | if ( parent == null ) |
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{ |
167 | 0 | throw new UnsupportedCompilationException( "Can't modify constant values." ); |
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} |
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170 | 13 | return toGetSourceString( context, target ); |
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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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{ |
176 | 9 | return visitor.visit( this, data ); |
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} |
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} |