de.extra.client.core.model.inputdata.impl.SingleFileInputData.java Source code

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Here is the source code for de.extra.client.core.model.inputdata.impl.SingleFileInputData.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 de.extra.client.core.model.inputdata.impl;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

import javax.activation.DataSource;
import javax.activation.FileDataSource;

import org.apache.commons.io.Charsets;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;

import de.extra.client.core.model.impl.DataSourcePluginDescription;
import de.extrastandard.api.exception.ExtraDataPluginRuntimeException;
import de.extrastandard.api.model.content.IInputDataPluginDescription;
import de.extrastandard.api.model.content.ISingleContentInputData;

/**
 * Identifiziert InputDaten aus dem Filesystem
 *
 * @author DPRS
 * @version $Id$
 */
public class SingleFileInputData extends Implementor implements ISingleContentInputData {

    public static final String INPUT_DATA_TYPE = "FILE_INPUT_DATA";

    private static final Charset ENCODING_UTF_8 = Charsets.UTF_8;

    private final File inputDataFile;

    private String requestId;

    private List<IInputDataPluginDescription> plugins = new ArrayList<IInputDataPluginDescription>();

    /**
     * @param inputDataFile
     */
    public SingleFileInputData(final File inputDataFile) {
        this.inputDataFile = inputDataFile;
        final IInputDataPluginDescription fileInputDataDescriptor = new DataSourcePluginDescription(inputDataFile,
                ENCODING_UTF_8.name());
        plugins.add(fileInputDataDescriptor);
    }

    public SingleFileInputData(final File inputDataFile, final List<IInputDataPluginDescription> plugins) {
        this.inputDataFile = inputDataFile;
        this.plugins = plugins;
    }

    /*
     * (non-Javadoc)
     *
     * @see de.extra.client.core.model.ISenderDataBean#getPlugins()
     */
    @Override
    public List<IInputDataPluginDescription> getPlugins() {
        return plugins;
    }

    /**
     * @param plugins
     *            the plugins to set
     */
    public void addPlugin(final IInputDataPluginDescription plugin) {
        plugins.add(plugin);
    }

    public void setPlugins(final List<IInputDataPluginDescription> pluginListe) {
        this.plugins = pluginListe;
    }

    /*
     * (non-Javadoc)
     *
     * @see de.extra.client.core.model.IFileInputdata#getFileName()
     */
    public String getFileName() {
        return inputDataFile.getName();
    }

    @Override
    public String getInputDataAsString() {
        return getInputDataAsString(ENCODING_UTF_8);
    }

    @Override
    public String getInputDataAsString(final Charset encoding) {
        try {
            return FileUtils.readFileToString(inputDataFile, encoding);
        } catch (final IOException ioException) {
            throw new ExtraDataPluginRuntimeException(ioException);
        }
    }

    @Override
    public byte[] getInputDataAsByteArray() {
        InputStream in = null;
        try {
            // Angepasst. Statt FileUtils.readFileToByteArray prevent
            // outOfMemory
            // FileUtils.readFileToByteArray(inputDataFile); OutOfMemory bei
            // sehr groen Dateien
            in = FileUtils.openInputStream(inputDataFile);
            return IOUtils.toByteArray(in);
        } catch (final IOException ioException) {
            throw new ExtraDataPluginRuntimeException(ioException);
        } finally {
            IOUtils.closeQuietly(in);
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        final StringBuilder builder = new StringBuilder();
        builder.append("SingleFileInputData [");
        if (getFileName() != null) {
            builder.append("fileName=");
            builder.append(getFileName());
        }
        builder.append("]");
        return builder.toString();
    }

    @Override
    public void setRequestId(final String requestId) {
        this.requestId = requestId;

    }

    /**
     * @return the requestId
     */
    @Override
    public String getRequestId() {
        return requestId;
    }

    @Override
    public String getHashCode() {
        String checkSumCRC32String = null;
        try {
            final long checkSumCRC32 = FileUtils.checksumCRC32(inputDataFile);
            checkSumCRC32String = String.valueOf(checkSumCRC32);
        } catch (final IOException ioException) {
            throw new ExtraDataPluginRuntimeException(ioException);
        }

        return checkSumCRC32String;
    }

    @Override
    public String getInputIdentifier() {
        return inputDataFile.getName();
    }

    @Override
    public String getInputDataType() {
        return INPUT_DATA_TYPE;
    }

    @Override
    public DataSource getInputDataAsDataSource() {
        return new FileDataSource(this.inputDataFile);
    }

}