/*
* Copyright 2002-2005 the original author or authors.
*
* 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.
*/
package org.springmodules.lucene.index.support.file;
/**
* This implementation of the DocumentMatching interface determines
* when a document handler must be used to index a document thanks
* to its file extension.
* @author Thierry Templier
*/
public class DocumentExtensionMatching implements DocumentMatching {
private String extension;
/**
* Construct a new DocumentExtensionMatching with the extension
* to match.
*/
public DocumentExtensionMatching(String extension) {
this.extension=extension;
}
/**
* This method extracts the extension of the name parameter
* which must be a filename and determines if it matches with
* the internal extension property of the instance.
* @see org.springmodules.lucene.index.object.DocumentMatching#match(java.lang.String)
*/
public boolean match(String name) {
int index=-1;
if( (index=name.lastIndexOf("."))!=-1 ) {
return matchExtension(name.substring(index+1));
} else {
return false;
}
}
/**
* This method determines if the extension parameter matchs
* with the extension instance attribute.
* @param extension the extension to test
* @return if the extension matches or not
*/
public boolean matchExtension(String extension) {
return extension.equals(this.extension);
}
}