| package org.apache.commons.digester3; |
| |
| /* |
| * 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 static java.lang.String.format; |
| |
| import org.xml.sax.Attributes; |
| |
| /** |
| * <p> |
| * Rule implementation that saves a parameter containing the <code>Digester</code> matching path for use by a |
| * surrounding <code>CallMethodRule</code>. This Rule is most useful when making extensive use of wildcards in rule |
| * patterns. |
| * </p> |
| * |
| * @since 1.6 |
| */ |
| public class PathCallParamRule |
| extends Rule |
| { |
| |
| // ----------------------------------------------------------- Constructors |
| |
| /** |
| * Construct a "call parameter" rule that will save the body text of this element as the parameter value. |
| * |
| * @param paramIndex The zero-relative parameter number |
| */ |
| public PathCallParamRule( int paramIndex ) |
| { |
| this.paramIndex = paramIndex; |
| } |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| /** |
| * The zero-relative index of the parameter we are saving. |
| */ |
| protected int paramIndex = 0; |
| |
| // --------------------------------------------------------- Public Methods |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void begin( String namespace, String name, Attributes attributes ) |
| throws Exception |
| { |
| String param = getDigester().getMatch(); |
| |
| if ( param != null ) |
| { |
| Object parameters[] = getDigester().peekParams(); |
| parameters[paramIndex] = param; |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String toString() |
| { |
| return format( "PathCallParamRule[paramIndex=%s]", paramIndex ); |
| } |
| |
| } |