package org.apache.commons.ognl; | |
/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
/** | |
*/ | |
class ASTUnsignedShiftRight | |
extends NumericExpression | |
{ | |
public ASTUnsignedShiftRight( int id ) | |
{ | |
super( id ); | |
} | |
public ASTUnsignedShiftRight( OgnlParser p, int id ) | |
{ | |
super( p, id ); | |
} | |
protected Object getValueBody( OgnlContext context, Object source ) | |
throws OgnlException | |
{ | |
Object v1 = children[0].getValue( context, source ); | |
Object v2 = children[1].getValue( context, source ); | |
return OgnlOps.unsignedShiftRight( v1, v2 ); | |
} | |
public String getExpressionOperator( int index ) | |
{ | |
return ">>>"; | |
} | |
public String toGetSourceString( OgnlContext context, Object target ) | |
{ | |
String result = ""; | |
try | |
{ | |
String child1 = OgnlRuntime.getChildSource( context, target, children[0] ); | |
child1 = coerceToNumeric( child1, context, children[0] ); | |
String child2 = OgnlRuntime.getChildSource( context, target, children[1] ); | |
child2 = coerceToNumeric( child2, context, children[1] ); | |
Object v1 = children[0].getValue( context, target ); | |
int type = OgnlOps.getNumericType( v1 ); | |
if ( type <= OgnlOps.INT ) | |
{ | |
child1 = "(int)" + child1; | |
child2 = "(int)" + child2; | |
} | |
result = child1 + " >>> " + child2; | |
context.setCurrentType( Integer.TYPE ); | |
context.setCurrentObject( getValueBody( context, target ) ); | |
} | |
catch ( Throwable t ) | |
{ | |
throw OgnlOps.castToRuntime( t ); | |
} | |
return result; | |
} | |
public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data ) | |
throws OgnlException | |
{ | |
return visitor.visit( this, data ); | |
} | |
} |