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/*
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 * Licensed to the Apache Software Foundation (ASF) under one
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 * or more contributor license agreements.  See the NOTICE file
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 * distributed with this work for additional information
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 * regarding copyright ownership.  The ASF licenses this file
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 * to you under the Apache License, Version 2.0 (the
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 * "License"); you may not use this file except in compliance
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 * with the License.  You may obtain a copy of the License at
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 *
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing,
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 * software distributed under the License is distributed on an
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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 * KIND, either express or implied.  See the License for the
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 * specific language governing permissions and limitations
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 * under the License.
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 */
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package org.apache.sshd.sftp.subsystem;
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import org.apache.sshd.common.file.SshFile;
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import java.util.Iterator;
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import java.util.List;
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public class DirectoryHandle extends BaseHandle implements Iterator<SshFile> {
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    boolean done;
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    // the directory should be read once at "open directory"
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    List<SshFile> fileList = null;
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    int fileIndex;
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    public DirectoryHandle(String id, SshFile file) {
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        super(id, file);
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        fileList = file.listSshFiles();
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        fileIndex = 0;
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    }
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    public boolean isDone() {
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        return done;
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    }
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    public void setDone(boolean done) {
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        this.done = done;
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    }
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    public boolean hasNext() {
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        return fileIndex < fileList.size();
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    }
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    public SshFile next() {
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        SshFile f = fileList.get(fileIndex);
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        fileIndex++;
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        return f;
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    }
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    public void remove() {
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        throw new UnsupportedOperationException();
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    }
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    public void clearFileList() {
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        // allow the garbage collector to do the job
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        fileList = null;
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    }
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}