jp.aegif.nemaki.model.AttachmentNode.java Source code

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Here is the source code for jp.aegif.nemaki.model.AttachmentNode.java

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/*******************************************************************************
 * Copyright (c) 2013 aegif.
 * 
 * This file is part of NemakiWare.
 * 
 * NemakiWare is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * NemakiWare is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with NemakiWare. 
 * If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     linzhixing(https://github.com/linzhixing) - initial API and implementation
 ******************************************************************************/
/**
 * This file is part of NemakiWare.
 *
 * NemakiWare is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * NemakiWare is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with NemakiWare. If not, see <http://www.gnu.org/licenses/>.
 */
package jp.aegif.nemaki.model;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger;
import java.util.GregorianCalendar;

import jp.aegif.nemaki.util.constant.NodeType;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.jackson.annotate.JsonIgnoreProperties;

/**
 * CMIS content stream (attachment for document)
 */
@JsonIgnoreProperties(ignoreUnknown = true)
public class AttachmentNode extends NodeBase {

    private static final Log log = LogFactory.getLog(AttachmentNode.class);

    private String name;
    private long length;
    private String mimeType;
    private InputStream inputStream;

    private BigInteger rangeOffset;
    private BigInteger rangeLength;

    public AttachmentNode() {
        super();
        setType(NodeType.ATTACHMENT.value());
    }

    public AttachmentNode(NodeBase n) {
        setId(n.getId());
        setType(n.getType());
        setCreated(n.getCreated());
        setCreator(n.getCreator());
        setModified(n.getModified());
        setModifier(n.getModifier());
    }

    /**
     * Getter & Setter
     */
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getMimeType() {
        return mimeType;
    }

    public void setMimeType(String mimeType) {
        this.mimeType = mimeType;
    }

    public long getLength() {
        return length;
    }

    public void setLength(long length) {
        this.length = length;
    }

    public InputStream getInputStream() {
        if (rangeOffset == null && rangeLength == null) {
            return inputStream;
        } else {
            if (rangeLength == null) {
                rangeLength = BigInteger.valueOf(length);
            }

            if (rangeLength.intValue() + rangeOffset.intValue() > length) {
                rangeLength = BigInteger.valueOf(length - rangeOffset.intValue());
            }

            byte[] bytes = new byte[1024];
            try {
                inputStream.read(bytes);
                ByteArrayInputStream result = new ByteArrayInputStream(bytes, rangeOffset.intValue(),
                        rangeLength.intValue());
                return result;
            } catch (IOException e) {
                log.error("[attachment id=" + getId() + "]getInputStream with rangeOffset=" + rangeLength.toString()
                        + " rangeLength=" + rangeLength.toString() + " failed.", e);
            }
        }

        return null;
    }

    public void setInputStream(InputStream inputStream) {
        this.inputStream = inputStream;
    }

    public BigInteger getRangeOffset() {
        return rangeOffset;
    }

    public void setRangeOffset(BigInteger rangeOffset) {
        this.rangeOffset = rangeOffset;
    }

    public BigInteger getRangeLength() {
        return rangeLength;
    }

    public void setRangeLength(BigInteger rangeLength) {
        this.rangeLength = rangeLength;
    }
}