IncomingContentItem.java

/**
 * Copyright (c) Codice Foundation
 * <p/>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either
 * version 3 of the License, or any later version.
 * <p/>
 * This program 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 Lesser General Public License for more details. A copy of the GNU Lesser General Public License is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.content.data.impl;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import javax.activation.MimeType;
import javax.activation.MimeTypeParseException;

import org.slf4j.LoggerFactory;
import org.slf4j.ext.XLogger;

import ddf.content.ContentFramework;
import ddf.content.data.ContentItem;
import ddf.content.operation.CreateRequest;
import ddf.content.operation.UpdateRequest;
import ddf.content.storage.StorageProvider;

/**
 * The IncomingContentItem class represents a {@link ContentItem} POJO that
 * is being sent in a {@link CreateRequest} or an {@link UpdateRequest} to the
 * {@link ContentFramework}.
 */
public class IncomingContentItem implements ContentItem {
    private static final XLogger LOGGER = new XLogger(
            LoggerFactory.getLogger(IncomingContentItem.class));

    private InputStream inputStream;

    private String mimeTypeRawData;

    private MimeType mimeType;

    private String id;

    private String uri;

    /**
     * An incoming content item for a {@link CreateRequest} since the ID will
     * initially be <code>null</code> because the {@link StorageProvider} will
     * assign its GUID.
     *
     * @param stream   the {@link ContentItem}'s input stream containing its actual data
     * @param mimeType the {@link ContentItem}'s mime type
     */
    public IncomingContentItem(InputStream stream, String mimeTypeRawData) {
        this(null, stream, mimeTypeRawData);
    }

    /**
     * An incoming content item for an {@link UpdateRequest} where the item's GUID
     * should be known.
     *
     * @param id       the {@link ContentItem}'s GUID
     * @param stream   the {@link ContentItem}'s input stream containing its actual data
     * @param mimeType the {@link ContentItem}'s mime type
     */
    public IncomingContentItem(String id, InputStream stream, String mimeTypeRawData) {
        this.inputStream = stream;
        this.mimeTypeRawData = mimeTypeRawData;
        this.id = id;
        this.mimeType = null;

        if (mimeTypeRawData != null) {
            try {
                this.mimeType = new MimeType(mimeTypeRawData);
            } catch (MimeTypeParseException e) {
                LOGGER.debug("Unable to create MimeType from raw data " + mimeTypeRawData);
            }
        }
    }

    @Override
    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    @Override
    public MimeType getMimeType() {
        return mimeType;
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return inputStream;
    }

    @Override
    public File getFile() throws IOException {
        throw new IOException("Content Framework hasn't stored this ContentItem yet");
    }

    @Override
    public long getSize() throws IOException {
        throw new IOException("Content Framework hasn't stored this ContentItem yet");
    }

    @Override
    public String getUri() {
        return uri;
    }

    @Override
    public void setUri(String uri) {
        this.uri = uri;
    }

    @Override
    public String getMimeTypeRawData() {
        return mimeTypeRawData;
    }

}