net.paoding.rose.scanning.vfs.FileObject Maven / Gradle / Ivy
/*
* Copyright 2007-2010 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 net.paoding.rose.scanning.vfs;
import java.io.IOException;
import java.net.URL;
/**
*
* @author 王志亮 [[email protected]]
*
*/
public interface FileObject {
/**
* 该文件是否存在
*
* @return
* @throws IOException
*/
boolean exists() throws IOException;
/**
* 返回该文件或实体的名称对象
*
* @return
* @throws IOException
*/
FileName getName() throws IOException;
/**
* 返回子文件或实体(包括目录)
*
* @return
* @throws IOException
*/
FileObject[] getChildren() throws IOException;
/**
* 文件的类型,目录或文件。jar文件里面实体也可能是目录或文件。
*
* @return
* @throws IOException
*/
FileType getType() throws IOException;
/**
* 返回该文件或实体的URL对象
*
* @return
* @throws IOException
*/
URL getURL() throws IOException;
/**
* 父目录对象
*
* @return
* @throws IOException
*/
FileObject getParent() throws IOException;
/**
* 子文件或实体
*
* @param name
* @return
* @throws IOException
*/
FileObject getChild(String name) throws IOException;
/**
* 文件实体内容,如果是目录将抛出IOE异常
*
* @return
* @throws IOException
*/
FileContent getContent() throws IOException;
@Override
public boolean equals(Object obj);
@Override
public int hashCode();
}
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