| package org.apache.commons.digester3.substitution; |
| |
| /* |
| * 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.Substitutor; |
| import org.xml.sax.Attributes; |
| |
| /** |
| * This Substitutor chains two Substitutors <code>a</code> and <code>b</code>. |
| * All values to substitute are first handled by <code>a</code> and passed to |
| * <code>b</code> afterwards. |
| */ |
| public class CompoundSubstitutor |
| extends Substitutor |
| { |
| |
| /** |
| * Substitutor a |
| */ |
| private final Substitutor a; |
| |
| /** |
| * Substitutor b |
| */ |
| private final Substitutor b; |
| |
| /** |
| * Creates a new CompoundSubstitutor instance. All values overgiven to <code>substitute()</code> |
| * are first handled by <code>a</code> and passed to <code>b</code> afterwards. |
| * Both Substitutor have to be not null. |
| * |
| * @param a Substitutor a |
| * @param b Substitutor b |
| */ |
| public CompoundSubstitutor( final Substitutor a, final Substitutor b ) |
| { |
| if ( a == null ) |
| { |
| throw new IllegalArgumentException( "First Substitutor must be not null" ); |
| } |
| if ( b == null ) |
| { |
| throw new IllegalArgumentException( "Second Substitutor must be not null" ); |
| } |
| this.a = a; |
| this.b = b; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Attributes substitute( final Attributes attributes ) |
| { |
| return b.substitute( a.substitute( attributes ) ); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String substitute( final String bodyText ) |
| { |
| return b.substitute( a.substitute( bodyText ) ); |
| } |
| |
| } |