| package org.apache.commons.digester3.xmlrules; |
| |
| /* |
| * 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.digester3.binder.CallParamBuilder; |
| import org.apache.commons.digester3.binder.LinkedRuleBuilder; |
| import org.apache.commons.digester3.binder.RulesBinder; |
| import org.xml.sax.Attributes; |
| |
| /** |
| * |
| */ |
| final class CallParamRule |
| extends AbstractXmlRule |
| { |
| |
| public CallParamRule( final RulesBinder targetRulesBinder, final PatternStack patternStack ) |
| { |
| super( targetRulesBinder, patternStack ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void bindRule( final LinkedRuleBuilder linkedRuleBuilder, final Attributes attributes ) |
| throws Exception |
| { |
| final int paramIndex = Integer.parseInt( attributes.getValue( "paramnumber" ) ); |
| final CallParamBuilder builder = linkedRuleBuilder.callParam().ofIndex( paramIndex ); |
| |
| final String attributeName = attributes.getValue( "attrname" ); |
| final String fromStack = attributes.getValue( "from-stack" ); |
| final String stackIndex = attributes.getValue( "stack-index" ); |
| |
| if ( attributeName == null ) |
| { |
| if ( stackIndex != null ) |
| { |
| builder.withStackIndex( Integer.parseInt( stackIndex ) ); |
| } |
| else if ( fromStack != null ) |
| { |
| builder.fromStack( Boolean.valueOf( fromStack ).booleanValue() ); |
| } |
| } |
| else |
| { |
| if ( fromStack == null ) |
| { |
| builder.fromAttribute( attributeName ); |
| } |
| else |
| { |
| // specifying both from-stack and attribute name is not allowed |
| throw new RuntimeException( "Attributes from-stack and attrname cannot both be present." ); |
| } |
| } |
| } |
| |
| } |