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. | |
*/ | |
import org.apache.commons.ognl.enhance.OrderedReturn; | |
import org.apache.commons.ognl.enhance.UnsupportedCompilationException; | |
/** | |
*/ | |
public class ASTVarRef | |
extends SimpleNode | |
implements NodeType, OrderedReturn | |
{ | |
private String name; | |
protected Class getterClass; | |
protected String core; | |
protected String last; | |
public ASTVarRef( int id ) | |
{ | |
super( id ); | |
} | |
public ASTVarRef( OgnlParser p, int id ) | |
{ | |
super( p, id ); | |
} | |
void setName( String name ) | |
{ | |
this.name = name; | |
} | |
/** | |
* Get the variable name. | |
* | |
* @return the variable name. | |
* @since 4.0 | |
*/ | |
String getName() | |
{ | |
return name; | |
} | |
protected Object getValueBody( OgnlContext context, Object source ) | |
throws OgnlException | |
{ | |
return context.get( name ); | |
} | |
protected void setValueBody( OgnlContext context, Object target, Object value ) | |
throws OgnlException | |
{ | |
context.put( name, value ); | |
} | |
public Class getGetterClass() | |
{ | |
return getterClass; | |
} | |
public Class getSetterClass() | |
{ | |
return null; | |
} | |
public String getCoreExpression() | |
{ | |
return core; | |
} | |
public String getLastExpression() | |
{ | |
return last; | |
} | |
public String toGetSourceString( OgnlContext context, Object target ) | |
{ | |
Object value = context.get( name ); | |
if ( value != null ) | |
{ | |
getterClass = value.getClass(); | |
} | |
context.setCurrentType( getterClass ); | |
context.setCurrentAccessor( context.getClass() ); | |
context.setCurrentObject( value ); | |
// context.setRoot(context.get(name)); | |
if ( context.getCurrentObject() == null ) | |
{ | |
throw new UnsupportedCompilationException( "Current context object is null, can't compile var reference." ); | |
} | |
String pre = ""; | |
String post = ""; | |
if ( context.getCurrentType() != null ) | |
{ | |
pre = "((" + OgnlRuntime.getCompiler( context ).getInterfaceClass( context.getCurrentType() ).getName() + ")"; | |
post = ")"; | |
} | |
if ( parent != null && parent instanceof ASTAssign) | |
{ | |
core = "$1.put(\"" + name + "\","; | |
last = pre + "$1.get(\"" + name + "\")" + post; | |
return core; | |
} | |
return pre + "$1.get(\"" + name + "\")" + post; | |
} | |
public String toSetSourceString( OgnlContext context, Object target ) | |
{ | |
return toGetSourceString( context, target ); | |
} | |
public <R, P> R accept( NodeVisitor<? extends R, ? super P> visitor, P data ) | |
throws OgnlException | |
{ | |
return visitor.visit( this, data ); | |
} | |
} |