org.springframework.integration.ftp.session.FtpFileInfo.java Source code

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Here is the source code for org.springframework.integration.ftp.session.FtpFileInfo.java

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/*
 * Copyright 2002-2019 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
 *
 *      https://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.springframework.integration.ftp.session;

import org.apache.commons.net.ftp.FTPFile;

import org.springframework.integration.file.remote.AbstractFileInfo;
import org.springframework.util.Assert;

/**
 * A {@link org.springframework.integration.file.remote.FileInfo} implementation for
 * FTP/FTPS.
 *
 * @author Gary Russell
 * @since 2.1
 */
public class FtpFileInfo extends AbstractFileInfo<FTPFile> {

    private final FTPFile ftpFile;

    public FtpFileInfo(FTPFile ftpFile) {
        Assert.notNull(ftpFile, "FTPFile must not be null");
        this.ftpFile = ftpFile;
    }

    @Override
    public boolean isDirectory() {
        return this.ftpFile.isDirectory();
    }

    @Override
    public boolean isLink() {
        return this.ftpFile.isSymbolicLink();
    }

    @Override
    public long getSize() {
        return this.ftpFile.getSize();
    }

    @Override
    public long getModified() {
        return this.ftpFile.getTimestamp().getTimeInMillis();
    }

    @Override
    public String getFilename() {
        return this.ftpFile.getName();
    }

    @Override
    public String getPermissions() {
        StringBuilder sb = new StringBuilder();
        appendPermissionString(sb, this.ftpFile.isDirectory(), 'd', this.ftpFile.isSymbolicLink(), 'l');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.USER_ACCESS, FTPFile.READ_PERMISSION), 'r');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.USER_ACCESS, FTPFile.WRITE_PERMISSION), 'w');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.USER_ACCESS, FTPFile.EXECUTE_PERMISSION),
                'x');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.GROUP_ACCESS, FTPFile.READ_PERMISSION), 'r');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.GROUP_ACCESS, FTPFile.WRITE_PERMISSION), 'w');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.GROUP_ACCESS, FTPFile.EXECUTE_PERMISSION),
                'x');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.WORLD_ACCESS, FTPFile.READ_PERMISSION), 'r');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.WORLD_ACCESS, FTPFile.WRITE_PERMISSION), 'w');
        appendPermissionString(sb, this.ftpFile.hasPermission(FTPFile.WORLD_ACCESS, FTPFile.EXECUTE_PERMISSION),
                'x');
        return sb.toString();
    }

    private void appendPermissionString(StringBuilder sb, boolean condition1, char char1, boolean condition2,
            char char2) {

        if (condition1) {
            sb.append(char1);
        } else if (condition2) {
            sb.append(char2);
        } else {
            sb.append('-');
        }
    }

    private void appendPermissionString(StringBuilder sb, boolean condition, char char1) {
        if (condition) {
            sb.append(char1);
        } else {
            sb.append('-');
        }
    }

    @Override
    public FTPFile getFileInfo() {
        return this.ftpFile;
    }
}