divconq.http.multipart.DiskFileUpload.java Source code

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Here is the source code for divconq.http.multipart.DiskFileUpload.java

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/*
 * Copyright 2012 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 divconq.http.multipart;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelException;
import io.netty.handler.codec.http.HttpHeaders;

import java.io.File;
import java.io.IOException;
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 final String prefix = "FUp_";

    public static final 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;
    }

    @Override
    public String getFilename() {
        return filename;
    }

    @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 o) {
        if (!(o instanceof FileUpload)) {
            throw new ClassCastException("Cannot compare " + getHttpDataType() + " with " + o.getHttpDataType());
        }
        return compareTo((FileUpload) o);
    }

    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() {
        File file = null;
        try {
            file = getFile();
        } catch (IOException e) {
            // Should not occur.
        }

        return HttpPostBodyUtil.CONTENT_DISPOSITION + ": " + HttpPostBodyUtil.FORM_DATA + "; "
                + HttpPostBodyUtil.NAME + "=\"" + getName() + "\"; " + HttpPostBodyUtil.FILENAME + "=\"" + filename
                + "\"\r\n" + HttpHeaders.Names.CONTENT_TYPE + ": " + contentType
                + (getCharset() != null ? "; " + HttpHeaders.Values.CHARSET + '=' + getCharset() + "\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;
    }

    @Override
    public FileUpload copy() {
        DiskFileUpload upload = new DiskFileUpload(getName(), getFilename(), getContentType(),
                getContentTransferEncoding(), getCharset(), size);
        ByteBuf buf = content();
        if (buf != null) {
            try {
                upload.setContent(buf.copy());
            } catch (IOException e) {
                throw new ChannelException(e);
            }
        }
        return upload;
    }

    @Override
    public FileUpload duplicate() {
        DiskFileUpload upload = new DiskFileUpload(getName(), getFilename(), getContentType(),
                getContentTransferEncoding(), getCharset(), size);
        ByteBuf buf = content();
        if (buf != null) {
            try {
                upload.setContent(buf.duplicate());
            } catch (IOException e) {
                throw new ChannelException(e);
            }
        }
        return upload;
    }

    @Override
    public FileUpload retain(int increment) {
        super.retain(increment);
        return this;
    }

    @Override
    public FileUpload retain() {
        super.retain();
        return this;
    }
}