cn.vlabs.clb.server.ui.frameservice.pdf.PdfConvertAdapter.java Source code

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Here is the source code for cn.vlabs.clb.server.ui.frameservice.pdf.PdfConvertAdapter.java

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/*
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * Licensed 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 cn.vlabs.clb.server.ui.frameservice.pdf;

import java.io.*;
import java.security.*;
import java.util.*;

import org.apache.commons.io.IOUtils;

import com.outsideinsdk.Export;
import com.outsideinsdk.ExportStatusCode;

/**
 * The PdfConvertAdapter is modified by <code>ExportTest</code> in pdfexporter.
 * The configuration file is assumed to be correctly formatted.
 * 
 * @author Kevin Glannon
 * @version 1.00
 * @see Export Export
 */
public class PdfConvertAdapter {
    private static final String INPUTPATHKEY = "inputpath";
    private static final String OUTPUTPATHKEY = "outputpath";
    private static final String OUTPUTIDKEY = "outputid";

    Properties convertConfig = new Properties();
    Properties probeConfig = new Properties();
    Export exporter = null;
    Export prober = null;

    public PdfConvertAdapter(String cfp, String pcfg) {
        parseConfig(cfp, convertConfig);
        parseConfig(pcfg, probeConfig);
        convertConfig.remove(INPUTPATHKEY);
        convertConfig.remove(OUTPUTPATHKEY);
        probeConfig.remove(INPUTPATHKEY);
        probeConfig.remove(OUTPUTPATHKEY);
        exporter = new Export(convertConfig);
        prober = new Export(probeConfig);
    }

    public void parseConfig(String cfp, Properties props) {
        File cff = new File(cfp);
        if (!cff.exists() || !cff.isFile() || !cff.canRead()) {
            throw (new InvalidParameterException("Configuration file unreadable."));
        }
        BufferedReader cfr = null;
        try {
            cfr = new BufferedReader(new FileReader(cff));
            String line;
            while ((line = cfr.readLine()) != null) {
                processLine(line, props);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            IOUtils.closeQuietly(cfr);
        }
    }

    private void processLine(String l, Properties props) {
        // Look for comments.
        int indPound = l.indexOf('#');
        // Remove comments and whitespace.
        String line = (indPound == -1) ? l.trim() : l.substring(0, indPound).trim();
        if (line.length() != 0) {
            StringTokenizer stl = new StringTokenizer(line);
            String key = stl.nextToken();
            String value = stl.nextToken();
            while (stl.hasMoreTokens()) {
                value += " " + stl.nextToken();
            }
            // Fill in the appropriate property.
            props.setProperty(key, value);
        }
    }

    /**
     * Run the conversion using the given input path, output path.
     * 
     * @param srcPath
     *            Input path.
     * @param desPath
     *            Output path.
     * @param timeout
     *            Export process timeout in milliseconds.
     */
    public ExportStatusCode convert(String srcPath, String desPath, long timeout) {
        //??1-100
        String oid = convertConfig.getProperty(OUTPUTIDKEY);
        ExportStatusCode result = exporter.convert(srcPath, desPath, oid, timeout);
        return result;
    }

    //?101
    public ExportStatusCode probeConvert(String srcPath, String desPath) {
        String oid = probeConfig.getProperty(OUTPUTIDKEY);
        ExportStatusCode result = prober.convert(srcPath, desPath, oid);
        return result;
    }

    public static void main(String[] args) {
        PdfConvertAdapter adapter = new PdfConvertAdapter(
                "/home/clive/code/jee/clb/src/main/webapp/WEB-INF/conf/clb-convert.cfg",
                "/home/clive/code/jee/clb/src/main/webapp/WEB-INF/conf/clb-probe.cfg");
        ExportStatusCode sc = adapter.probeConvert("/home/clive/downloads/spi.docx",
                "/home/clive/downloads/spi.pdf");
        System.out.println(sc);
    }
}