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2011-10-24 1cc0f32f7fefa2821a052f823e735bdb14193b93

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package com.ximple.io.dgn7; 
 
import org.apache.commons.io.FileUtils; 
import org.apache.log4j.Logger; 
import org.geotools.TestData; 
import org.testng.Assert; 
import org.testng.annotations.BeforeTest; 
import org.testng.annotations.Test; 
 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.io.RandomAccessFile; 
import java.nio.channels.FileChannel; 
 
public class Dgn7fileWriterTest { 
    private final static Logger logger = Logger.getLogger(Dgn7fileReaderTest.class); 
 
    // private final static String testFilePath = "test-data\\testHV.dgn"; 
    private final static String testFilePath = "testHV.dgn"; 
    private FileInputStream _fs; 
 
    @BeforeTest 
    public void setUp() throws IOException { 
        File dataFile = TestData.file(this, testFilePath); 
        if (!dataFile.exists()) { 
            return; 
        } 
 
        _fs = new FileInputStream(dataFile); 
    } 
     
    @Test 
    public void testWrite() { 
    } 
 
    @Test 
    public void testCopy() throws Dgn7fileException, IOException { 
        File target = TestData.temp(this, "testdgn2d.dgn"); 
        FileUtils.copyFile(TestData.file(this, "dgnseed2d.dgn"), target); 
        RandomAccessFile targetStream = new RandomAccessFile(target, "rw"); 
        FileChannel fctarget = targetStream.getChannel(); 
        Lock lock = new Lock(); 
 
        Dgn7fileReader targetReader = new Dgn7fileReader(fctarget, new Lock()); 
        while (targetReader.hasNext()) { 
            targetReader.nextElement(); 
        } 
 
        Dgn7fileWriter writer = new Dgn7fileWriter(fctarget, lock); 
 
        FileChannel fc = _fs.getChannel(); 
        Dgn7fileReader reader = new Dgn7fileReader(fc, new Lock()); 
        int count = 0; 
        Element lastComplex = null; 
        while (reader.hasNext()) { 
            Element.FileRecord record = reader.nextElement(); 
            if (record.element() != null) { 
                Element element = (Element) record.element(); 
                ElementType type = element.getElementType(); 
                boolean completed = false; 
                if ((!type.isComplexElement()) && (!element.isComponentElement())) { 
                    if (lastComplex != null) { 
                        // @todo add process in here 
                        processCompleteElement(lastComplex, writer); 
                        lastComplex = null; 
                    } 
 
                    // @todo add process in here 
                    processCompleteElement(element, writer); 
                } else if (element.isComponentElement()) { 
                    if (lastComplex != null) { 
                        ((ComplexElement) lastComplex).add(element); 
                    } else { 
                        logger.warn("wong." + element.toString()); 
                        Assert.fail("Component Element cannot found parent."); 
                    } 
                } else if (type.isComplexElement()) { 
                    if (lastComplex != null) { 
                        // @todo add process in here 
                        processCompleteElement(lastComplex, writer); 
                    } 
                    lastComplex = element; 
                } 
                // writer.writeElement(element); 
            } 
            count++; 
        } 
        writer.writeEOF(); 
        writer.close(); 
 
        // FileUtils.copyFile(target, new File("G://target.dgn")); 
    } 
 
    private boolean processCompleteElement(Element element, Dgn7fileWriter writer) throws IOException { 
        writer.writeElement(element); 
        return true; 
    } 
}