gov.nih.cadsr.transform.FilesTransformation.java Source code

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Here is the source code for gov.nih.cadsr.transform.FilesTransformation.java

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/*L
 * Copyright Oracle Inc, SAIC-F.
 *
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.com/cadsr-api/LICENSE.txt for details.
 */

package gov.nih.cadsr.transform;

import java.io.*;

import javax.xml.transform.*;
import javax.xml.transform.stream.*;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;

import java.io.IOException;

import org.apache.commons.lang.RandomStringUtils;

public class FilesTransformation {

    public static String transformCdeToCSV(String xmlFile) {

        StringBuffer sb = null;

        try {

            File tf = new File("/local/content/cadsrapi/transform/xslt/", "cdebrowser.xslt"); // template file

            String path = "/local/content/cadsrapi/transform/data/";
            String ext = "txt";
            File dir = new File(path);
            String name = String.format("%s.%s", RandomStringUtils.randomAlphanumeric(8), ext);
            File rf = new File(dir, name);

            if (tf == null || !tf.exists() || !tf.canRead()) {
                System.out.println("File path incorrect");
                return "";
            }

            long startTime = System.currentTimeMillis();

            //Obtain a new instance of a TransformerFactory. 
            TransformerFactory f = TransformerFactory.newInstance();
            // Process the Source into a Transformer Object...Construct a StreamSource from a File.
            Transformer t = f.newTransformer(new StreamSource(tf));

            /*
            Source s = new StreamSource(xmlFile);
            Result r = new StreamResult(rf); 
                 
            //Transform the XML Source to a Result.
            t.transform(s,r);
            System.out.println("Tranformation completed ...");   */

            //Construct a StreamSource from input and output
            Source s;
            try {
                s = new StreamSource((new ByteArrayInputStream(xmlFile.getBytes("utf-8"))));
                Result r = new StreamResult(rf);

                //Transform the XML Source to a Result.
                t.transform(s, r);
                System.out.println("Tranformation completed ...");
            } catch (UnsupportedEncodingException e1) {
                // TODO Auto-generated catch block
                System.out.println(e1.toString());
            }

            try {
                BufferedReader bf = new BufferedReader(new FileReader(rf));
                sb = new StringBuffer();
                try {
                    String currentLine;
                    while ((currentLine = bf.readLine()) != null) {
                        sb.append(currentLine).append("\n");
                        //System.out.println(bf.readLine());

                    }
                } catch (IOException e) {

                    e.printStackTrace();
                }

            } catch (FileNotFoundException e) {

                e.printStackTrace();
            }

            long endTime = System.currentTimeMillis();
            System.out.println("Transformation took " + (endTime - startTime) + " milliseconds");
            System.out.println("Transformation took " + (endTime - startTime) / 1000 + " seconds");
        }

        catch (TransformerConfigurationException e) {
            System.out.println(e.toString());
            e.printStackTrace();

        } catch (TransformerException e) {
            System.out.println(e.toString());

        }

        return sb.toString();
    }

    public static String transformFormToCSV(String xmlFile) {

        StringBuffer sb = null;

        try {

            File tf = new File("/local/content/cadsrapi/transform/xslt/", "formbuilder.xslt"); // template file
            String path = "/local/content/cadsrapi/transform/data/";
            String ext = "txt";
            File dir = new File(path);
            String name = String.format("%s.%s", RandomStringUtils.randomAlphanumeric(8), ext);
            File rf = new File(dir, name);

            if (tf == null || !tf.exists() || !tf.canRead()) {
                System.out.println("File path incorrect");
                return "";
            }

            long startTime = System.currentTimeMillis();

            //Obtain a new instance of a TransformerFactory. 
            TransformerFactory f = TransformerFactory.newInstance();
            // Process the Source into a Transformer Object...Construct a StreamSource from a File.
            Transformer t = f.newTransformer(new StreamSource(tf));

            //Construct a StreamSource from input and output
            Source s;
            try {
                s = new StreamSource((new ByteArrayInputStream(xmlFile.getBytes("utf-8"))));
                Result r = new StreamResult(rf);

                //Transform the XML Source to a Result.
                t.transform(s, r);
                System.out.println("Tranformation completed ...");
            } catch (UnsupportedEncodingException e1) {
                // TODO Auto-generated catch block
                System.out.println(e1.toString());
            }

            //convert output file to string                                       
            try {
                BufferedReader bf = new BufferedReader(new FileReader(rf));
                sb = new StringBuffer();
                try {
                    String currentLine;
                    while ((currentLine = bf.readLine()) != null) {
                        sb.append(currentLine).append("\n");
                        //System.out.println(bf.readLine());

                    }
                } catch (IOException e) {

                    e.printStackTrace();
                }

            } catch (FileNotFoundException e) {

                e.printStackTrace();
            }

            long endTime = System.currentTimeMillis();
            System.out.println("Transformation took " + (endTime - startTime) + " milliseconds");
            System.out.println("Transformation took " + (endTime - startTime) / 1000 + " seconds");
        }

        catch (TransformerConfigurationException e) {
            System.out.println(e.toString());

        } catch (TransformerException e) {
            System.out.println(e.toString());

        }

        return sb.toString();
    }

    public static String transformToCSV(String xmlFile, String xsltFile) {

        StringBuffer sb = null;

        try {

            String path = "/local/content/cadsrapi/transform/data/";
            String ext = "txt";
            File dir = new File(path);
            String name = String.format("%s.%s", RandomStringUtils.randomAlphanumeric(8), ext);
            File rf = new File(dir, name);

            long startTime = System.currentTimeMillis();

            //Obtain a new instance of a TransformerFactory. 
            TransformerFactory f = TransformerFactory.newInstance();
            // Process the Source into a Transformer Object...Construct a StreamSource from a File.
            Transformer t = f.newTransformer(new StreamSource(xsltFile));

            //Construct a StreamSource from input and output
            Source s;
            try {
                s = new StreamSource((new ByteArrayInputStream(xmlFile.getBytes("utf-8"))));
                Result r = new StreamResult(rf);

                //Transform the XML Source to a Result.
                t.transform(s, r);
                System.out.println("Tranformation completed ...");
            } catch (UnsupportedEncodingException e1) {
                // TODO Auto-generated catch block
                System.out.println(e1.toString());
            }

            //convert output file to string                                       
            try {
                BufferedReader bf = new BufferedReader(new FileReader(rf));
                sb = new StringBuffer();
                try {

                    while ((bf.readLine()) != null) {
                        sb.append(bf.readLine());
                        System.out.println(bf.readLine());

                    }
                } catch (IOException e) {

                    e.printStackTrace();
                }

            } catch (FileNotFoundException e) {

                e.printStackTrace();
            }

            long endTime = System.currentTimeMillis();
            System.out.println("Transformation took " + (endTime - startTime) + " milliseconds");
            System.out.println("Transformation took " + (endTime - startTime) / 1000 + " seconds");
        }

        catch (TransformerConfigurationException e) {
            System.out.println(e.toString());

        } catch (TransformerException e) {
            System.out.println(e.toString());

        }

        return sb.toString();
    }
}