Package org.apache.beehive.netui.compiler.grammar

Source Code of org.apache.beehive.netui.compiler.grammar.BundleNameType

/*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed 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.
*
* $Header:$
*/
package org.apache.beehive.netui.compiler.grammar;

import org.apache.beehive.netui.compiler.AnnotationMemberType;
import org.apache.beehive.netui.compiler.AnnotationGrammar;
import org.apache.beehive.netui.compiler.CompilerUtils;
import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationInstance;
import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationTypeElementDeclaration;
import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationValue;
import org.apache.beehive.netui.compiler.typesystem.declaration.ClassDeclaration;
import org.apache.beehive.netui.compiler.typesystem.declaration.MemberDeclaration;
import org.apache.beehive.netui.compiler.typesystem.declaration.TypeDeclaration;


public class BundleNameType
        extends AnnotationMemberType
{
    public BundleNameType( String requiredRuntimeVersion, AnnotationGrammar parentGrammar )
    {
        super( requiredRuntimeVersion, parentGrammar );
    }
   
   
    public Object onCheck( AnnotationTypeElementDeclaration valueDecl, AnnotationValue value,
                           AnnotationInstance[] parentAnnotations, MemberDeclaration classMember,
                           int annotationArrayIndex )
    {
        //
        // Check that the bundle attribute isn't used with commons-validator v1.0
        //
        String bundle = ( String ) value.getValue();

        if ( bundle != null && !bundlesSupported( parentAnnotations, classMember ) )
        {
            AnnotationInstance annotation = parentAnnotations[ parentAnnotations.length - 1 ];
            addError( value, "error.validation-bundle-support", BUNDLE_NAME_ATTR, annotation );
        }

        return null;
    }

    protected static boolean bundlesSupported( AnnotationInstance[] parentAnnotations, MemberDeclaration classMember )
    {
        //
        // Find the validator version attribute from the controller.
        // Look at the annotation parent root for @Jpf.Controller,
        // @Jpf.Action or @Jpf.ValidatableProperty. If the root is
        // the Controller then just get the required attribute.
        // Otherwise, get the controller class declaration then the
        // attribute.
        //
        AnnotationInstance ann = parentAnnotations[0];
        String validatorVersion = null;

        if ( CompilerUtils.isJpfAnnotation( ann, CONTROLLER_TAG_NAME ) )
        {
            validatorVersion = CompilerUtils.getEnumFieldName( ann, VALIDATOR_VERSION_ATTR, true );
        }
        else
        {
            TypeDeclaration outerType = null;

            if ( CompilerUtils.isJpfAnnotation( ann, ACTION_TAG_NAME ) )
            {
                outerType = CompilerUtils.getOuterClass( classMember );
            }
            else if ( CompilerUtils.isJpfAnnotation( ann, VALIDATABLE_PROPERTY_TAG_NAME ) )
            {
                outerType = CompilerUtils.getOutermostClass( classMember );
            }
            else
            {
                // Should not hit this condition
                assert false;
            }

            if ( outerType instanceof ClassDeclaration )
            {
                ann = CompilerUtils.getAnnotation( outerType, CONTROLLER_TAG_NAME );

                if ( ann != null )
                {
                    validatorVersion = CompilerUtils.getEnumFieldName( ann, VALIDATOR_VERSION_ATTR, true );
                }
            }
        }

        //
        // Default is commons-validator v1.0 unless otherwise declared with the @Jpf.Controller
        // validator version attribute.
        if ( validatorVersion == null || validatorVersion.equals( VALIDATOR_VERSION_ONE_ZERO_STR ) )
        {
            return false;
        }

        return true;
    }
}
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