classfilefilter.java

来自「开源的axis2框架的源码。用于开发WEBSERVER」· Java 代码 · 共 55 行

/*
 * 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.
 */
package org.apache.ideaplugin.bean;

import javax.swing.filechooser.FileFilter;
import java.io.File;


public class ClassFileFilter extends FileFilter {

    public boolean accept(File file) {
        if (file .isDirectory()) {
            return true;
        }
        String extension = getExtension(file );
        if (extension != null) {
            return extension.equals("class");
        }

        return false;

    }

    public String getDescription() {
        return ".class";
    }

    private String getExtension(File file) {
        String ext = null;
        String s = file.getName();
        int i = s.lastIndexOf('.');

        if (i > 0 && i < s.length() - 1) {
            ext = s.substring(i + 1).toLowerCase();
        }
        return ext;
    }
}