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* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.tools.internal.xjc.generator.bean.field;
import com.sun.codemodel.internal.JBlock;
import com.sun.codemodel.internal.JCodeModel;
import com.sun.codemodel.internal.JExpr;
import com.sun.codemodel.internal.JExpression;
import com.sun.codemodel.internal.JType;
import com.sun.codemodel.internal.JVar;
import com.sun.tools.internal.xjc.generator.bean.ClassOutlineImpl;
import com.sun.tools.internal.xjc.generator.bean.MethodWriter;
import com.sun.tools.internal.xjc.model.CPropertyInfo;
import com.sun.tools.internal.xjc.outline.FieldAccessor;
import com.sun.tools.internal.xjc.outline.FieldOutline;
/**
*
*
* @author
* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
public class IsSetField extends AbstractField {
private final FieldOutline core;
private final boolean generateUnSetMethod;
private final boolean generateIsSetMethod;
protected IsSetField( ClassOutlineImpl outline, CPropertyInfo prop,
FieldOutline core, boolean unsetMethod, boolean issetMethod ) {
super(outline,prop);
this.core = core;
this.generateIsSetMethod = issetMethod;
this.generateUnSetMethod = unsetMethod;
generate(outline,prop);
}
private void generate( ClassOutlineImpl outline, CPropertyInfo prop ) {
// add isSetXXX and unsetXXX.
MethodWriter writer = outline.createMethodWriter();
JCodeModel codeModel = outline.parent().getCodeModel();
FieldAccessor acc = core.create(JExpr._this());
if( generateIsSetMethod ) {
// [RESULT] boolean isSetXXX()
JExpression hasSetValue = acc.hasSetValue();
if( hasSetValue==null ) {
// this field renderer doesn't support the isSet/unset methods generation.
// issue an error
throw new UnsupportedOperationException();
}
writer.declareMethod(codeModel.BOOLEAN,"isSet"+this.prop.getName(true))
.body()._return( hasSetValue );
}
if( generateUnSetMethod ) {
// [RESULT] void unsetXXX()
acc.unsetValues(
writer.declareMethod(codeModel.VOID,"unset"+this.prop.getName(true)).body() );
}
}
public JType getRawType() {
return core.getRawType();
}
public FieldAccessor create(JExpression targetObject) {
return new Accessor(targetObject);
}
private class Accessor extends AbstractField.Accessor {
private final FieldAccessor core;
Accessor( JExpression $target ) {
super($target);
this.core = IsSetField.this.core.create($target);
}
public void unsetValues( JBlock body ) {
core.unsetValues(body);
}
public JExpression hasSetValue() {
return core.hasSetValue();
}
public void toRawValue(JBlock block, JVar $var) {
core.toRawValue(block,$var);
}
public void fromRawValue(JBlock block, String uniqueName, JExpression $var) {
core.fromRawValue(block,uniqueName,$var);
}
}
}