netty5/codec-http/src/main/java/io/netty/handler/codec/http/DiskFileUpload.java

/*
 * Copyright 2011 The Netty Project
 *
 * The Netty Project 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 io.netty.handler.codec.http;

import java.io.File;
import java.nio.charset.Charset;

/**
 * Disk FileUpload implementation that stores file into real files
 */
public class DiskFileUpload extends AbstractDiskHttpData implements FileUpload {
    public static String baseDirectory;

    public static boolean deleteOnExitTemporaryFile = true;

    public static String prefix = "FUp_";

    public static String postfix = ".tmp";

    private String filename;

    private String contentType;

    private String contentTransferEncoding;

    public DiskFileUpload(String name, String filename, String contentType,
            String contentTransferEncoding, Charset charset, long size) {
        super(name, charset, size);
        setFilename(filename);
        setContentType(contentType);
        setContentTransferEncoding(contentTransferEncoding);
    }

    @Override
    public HttpDataType getHttpDataType() {
        return HttpDataType.FileUpload;
    }

    /* (non-Javadoc)
     * @see io.netty.handler.codec.http2.FileUpload#getFilename()
     */
    @Override
    public String getFilename() {
        return filename;
    }

    /* (non-Javadoc)
     * @see io.netty.handler.codec.http2.FileUpload#setFilename(java.lang.String)
     */
    @Override
    public void setFilename(String filename) {
        if (filename == null) {
            throw new NullPointerException("filename");
        }
        this.filename = filename;
    }

    @Override
    public int hashCode() {
        return getName().hashCode();
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof Attribute)) {
            return false;
        }
        Attribute attribute = (Attribute) o;
        return getName().equalsIgnoreCase(attribute.getName());
    }

    @Override
    public int compareTo(InterfaceHttpData arg0) {
        if (!(arg0 instanceof FileUpload)) {
            throw new ClassCastException("Cannot compare " + getHttpDataType() +
                    " with " + arg0.getHttpDataType());
        }
        return compareTo((FileUpload) arg0);
    }

    public int compareTo(FileUpload o) {
        int v;
        v = getName().compareToIgnoreCase(o.getName());
        if (v != 0) {
            return v;
        }
        // TODO should we compare size ?
        return v;
    }

    @Override
    public void setContentType(String contentType) {
        if (contentType == null) {
            throw new NullPointerException("contentType");
        }
        this.contentType = contentType;
    }

    @Override
    public String getContentType() {
        return contentType;
    }

    @Override
    public String getContentTransferEncoding() {
        return contentTransferEncoding;
    }

    @Override
    public void setContentTransferEncoding(String contentTransferEncoding) {
        this.contentTransferEncoding = contentTransferEncoding;
    }

    @Override
    public String toString() {
        return HttpPostBodyUtil.CONTENT_DISPOSITION + ": " +
            HttpPostBodyUtil.FORM_DATA + "; " + HttpPostBodyUtil.NAME + "=\"" + getName() +
                "\"; " + HttpPostBodyUtil.FILENAME + "=\"" + filename + "\"\r\n" +
                HttpHeaders.Names.CONTENT_TYPE + ": " + contentType +
                (charset != null? "; " + HttpHeaders.Values.CHARSET + "=" + charset + "\r\n" : "\r\n") +
                HttpHeaders.Names.CONTENT_LENGTH + ": " + length() + "\r\n" +
                "Completed: " + isCompleted() +
                "\r\nIsInMemory: " + isInMemory() + "\r\nRealFile: " +
                file.getAbsolutePath() + " DefaultDeleteAfter: " +
                deleteOnExitTemporaryFile;
    }

    @Override
    protected boolean deleteOnExit() {
        return deleteOnExitTemporaryFile;
    }

    @Override
    protected String getBaseDirectory() {
        return baseDirectory;
    }

    @Override
    protected String getDiskFilename() {
        File file = new File(filename);
        return file.getName();
    }

    @Override
    protected String getPostfix() {
        return postfix;
    }

    @Override
    protected String getPrefix() {
        return prefix;
    }
}