package com.ximple.eofms.jobs;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.sql.Types;
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import java.util.ArrayList;
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import java.util.ListIterator;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import com.vividsolutions.jts.util.Assert;
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import oracle.sql.BLOB;
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import com.ximple.eofms.util.PrintfFormat;
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import com.ximple.io.dgn7.ArcElement;
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import com.ximple.io.dgn7.ComplexChainElement;
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import com.ximple.io.dgn7.ComplexShapeElement;
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import com.ximple.io.dgn7.Element;
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import com.ximple.io.dgn7.EllipseElement;
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import com.ximple.io.dgn7.LineElement;
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import com.ximple.io.dgn7.LineStringElement;
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import com.ximple.io.dgn7.ShapeElement;
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import com.ximple.io.dgn7.TextElement;
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import com.ximple.io.dgn7.TextNodeElement;
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import com.ximple.io.dgn7.IElementHandler;
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import com.ximple.io.dgn7.Dgn7fileException;
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public class OracleElementLogger
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{
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static Log logger = LogFactory.getLog(OracleElementLogger.class);
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private static final String DEFAULT_ELMOUTPATH = "elmout";
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private static final String TAB_IGDSSEED = "SD$IGDSSET_SEED";
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private Connection connection;
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private String dataOut = null;
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private String dataPath;
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private String currentSchema;
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private boolean schemaChanged;
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private FileOutputStream fos = null;
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private FileChannel fch = null;
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private int logCount = 0;
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private int elmCount = 0;
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private int maxElmCount = 3000;
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private boolean useElementCount = true;
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private ArrayList<byte[]> dgnFileHeader = null;
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private String elmOutPath;
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public OracleElementLogger(Connection connection)
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{
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this.connection = connection;
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elmOutPath = DEFAULT_ELMOUTPATH;
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}
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public OracleElementLogger(Connection connection, String elmOutPath)
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{
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this.connection = connection;
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this.elmOutPath = elmOutPath;
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}
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public String getDataOutPath()
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{
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if (dataOut == null)
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{
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File outPath = new File(getDataPath(), elmOutPath);
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if (!outPath.exists())
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{
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outPath.mkdir();
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} else if (!outPath.isDirectory())
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{
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outPath.mkdir();
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}
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dataOut = outPath.toString();
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}
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return dataOut;
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}
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public String getDataPath()
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{
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return dataPath;
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}
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public void setDataPath(String dataPath)
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{
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this.dataPath = dataPath;
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}
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public void logElement(Element element, String currentSchema)
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{
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if ((this.currentSchema == null) ||
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(!this.currentSchema.equalsIgnoreCase(currentSchema)))
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{
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schemaChanged = true;
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this.currentSchema = currentSchema;
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try
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{
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createNewStream();
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} catch (IOException e)
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{
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logger.warn(e.getMessage(), e);
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return;
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} catch (SQLException e)
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{
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logger.warn(e.getMessage(), e);
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return;
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}
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} else
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{
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if (fch == null)
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{
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try
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{
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createNewStream();
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} catch (IOException e)
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{
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logger.warn(e.getMessage(), e);
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return;
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} catch (SQLException e)
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{
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logger.warn(e.getMessage(), e);
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return;
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}
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}
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}
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ArrayList<ByteBuffer> subBuffers = new ArrayList<ByteBuffer>();
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if (fch != null)
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{
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ByteBuffer buf = null;
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if (element instanceof LineElement)
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{
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int size = LineElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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LineElement.ElementHandler.getInstance().write(buf, element);
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} else if (element instanceof ShapeElement)
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{
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int size = ShapeElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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ShapeElement.ElementHandler.getInstance().write(buf, element);
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} else if (element instanceof LineStringElement)
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{
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int size = LineStringElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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LineStringElement.ElementHandler.getInstance().write(buf, element);
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} else if (element instanceof ComplexChainElement)
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{
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int size = ComplexChainElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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ComplexChainElement.ElementHandler.getInstance().write(buf, element);
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ComplexChainElement complexElement = (ComplexChainElement) element;
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ListIterator it = complexElement.listIterator();
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while (it.hasNext())
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{
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Element subElm = (Element) it.next();
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try
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{
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IElementHandler handler = subElm.getElementType().getElementHandler();
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size = handler.getLength(subElm);
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ByteBuffer subBuf = ByteBuffer.allocate(size * 2);
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handler.write(subBuf, subElm);
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subBuffers.add(subBuf);
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} catch (Dgn7fileException e)
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{
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logger.warn(e.getMessage(), e);
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}
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}
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} else if (element instanceof ComplexShapeElement)
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{
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int size = ComplexShapeElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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ComplexShapeElement.ElementHandler.getInstance().write(buf, element);
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ComplexShapeElement complexElement = (ComplexShapeElement) element;
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ListIterator it = complexElement.listIterator();
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while (it.hasNext())
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{
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Element subElm = (Element) it.next();
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try
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{
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IElementHandler handler = subElm.getElementType().getElementHandler();
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size = handler.getLength(subElm);
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ByteBuffer subBuf = ByteBuffer.allocate(size * 2);
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handler.write(subBuf, subElm);
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subBuffers.add(subBuf);
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} catch (Dgn7fileException e)
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{
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logger.warn(e.getMessage(), e);
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}
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}
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} else if (element instanceof ArcElement)
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{
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int size = ArcElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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ArcElement.ElementHandler.getInstance().write(buf, element);
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} else if (element instanceof EllipseElement)
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{
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int size = EllipseElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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EllipseElement.ElementHandler.getInstance().write(buf, element);
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} else if (element instanceof TextElement)
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{
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int size = TextElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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TextElement.ElementHandler.getInstance().write(buf, element);
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} else if (element instanceof TextNodeElement)
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{
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int size = TextNodeElement.ElementHandler.getInstance().getLength(element);
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buf = ByteBuffer.allocate(size * 2);
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TextNodeElement.ElementHandler.getInstance().write(buf, element);
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TextNodeElement nodeElement = (TextNodeElement) element;
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ListIterator it = nodeElement.listIterator();
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while (it.hasNext())
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{
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Element subElm = (Element) it.next();
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try
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{
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IElementHandler handler = subElm.getElementType().getElementHandler();
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size = handler.getLength(subElm);
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ByteBuffer subBuf = ByteBuffer.allocate(size * 2);
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handler.write(subBuf, subElm);
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subBuffers.add(subBuf);
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} catch (Dgn7fileException e)
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{
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logger.warn(e.getMessage(), e);
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}
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}
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}
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if ((buf != null) && (fch != null))
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{
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try
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{
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buf.position(0);
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int size = fch.write(buf);
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if (size != buf.limit())
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{
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long position = fch.position();
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logger.info("Pos:" + position);
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}
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} catch (IOException e)
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{
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logger.warn(e.getMessage(), e);
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}
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}
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}
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elmCount++;
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if ((subBuffers.size() != 0) && (fch != null))
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{
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for (ByteBuffer buf : subBuffers)
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{
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try
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{
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buf.position(0);
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int size = fch.write(buf);
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if (size != buf.limit())
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{
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long position = fch.position();
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logger.info("Pos:" + position);
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}
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} catch (IOException e)
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{
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logger.warn(e.getMessage(), e);
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}
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}
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}
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}
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private void createNewStream() throws IOException, SQLException
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{
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if (fos != null)
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{
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putEndOfFileElement();
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fos.close();
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fos = null;
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fch = null;
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}
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File logFile = new File(getDataOutPath(), this.currentSchema + ".dgn");
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while (logFile.exists())
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{
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logFile = new File(getDataOutPath(), this.currentSchema + "-"
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+ (++logCount) + ".dgn");
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}
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logger.warn("Create Dgn Logging File:" + logFile.toString());
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fos = new FileOutputStream(logFile);
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fch = fos.getChannel();
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prepareOutputElementStream();
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schemaChanged = false;
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elmCount = 0;
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}
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private void putEndOfFileElement() throws IOException
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{
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if (fch == null)
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return;
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ByteBuffer bf = ByteBuffer.allocate(4);
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bf.putInt(-1);
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fch.write(bf);
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}
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private void prepareOutputElementStream() throws SQLException, IOException
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{
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if (connection == null)
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{
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logger.warn("connection is null");
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return;
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}
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if (dgnFileHeader != null)
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{
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for (byte[] raw : dgnFileHeader)
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{
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putElementIntoStream(raw);
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}
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return;
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}
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dgnFileHeader = new ArrayList<byte[]>();
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String fetchSrcStmtFmt = "SELECT IGDSELM FROM \"%s\".\"%s\" ORDER BY ROWID";
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PrintfFormat spf = new PrintfFormat(fetchSrcStmtFmt);
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String fetchSrcStmt = spf.sprintf(new Object[]{currentSchema, TAB_IGDSSEED});
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Statement stmtSrc = connection.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
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ResultSet rsSrc = stmtSrc.executeQuery(fetchSrcStmt);
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int igdsMetaType = rsSrc.getMetaData().getColumnType(1);
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while (rsSrc.next())
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{
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byte[] raw;
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if (igdsMetaType == Types.BLOB)
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{
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BLOB blob = (BLOB) rsSrc.getBlob(1);
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raw = getBytesFromBLOB(blob);
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blob.close();
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} else
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{
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raw = rsSrc.getBytes(1);
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}
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if (raw != null)
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{
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dgnFileHeader.add(raw);
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putElementIntoStream(raw);
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}
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}
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rsSrc.close();
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stmtSrc.close();
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}
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private void putElementIntoStream(byte[] raw) throws IOException
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{
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if (fch != null)
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fch.write(ByteBuffer.wrap(raw));
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}
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protected static byte[] getBytesFromBLOB(BLOB blob) throws SQLException
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{
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byte[] raw = null;
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int optimalSize = blob.getChunkSize();
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byte[] chunk = new byte[optimalSize];
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InputStream is = blob.getBinaryStream(0);
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ByteBuffer buffer = null; // ByteBuffer.allocate(optimalSize);
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int len;
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try
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{
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while ((len = (is.read(chunk))) != -1)
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{
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if (buffer != null)
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{
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buffer.limit(buffer.limit() + len);
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} else
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{
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buffer = ByteBuffer.allocate(len);
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}
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buffer.put(chunk);
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}
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is.close();
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assert buffer != null;
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buffer.position(0);
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raw = buffer.array();
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} catch (IOException e)
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{
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logger.warn(e.getMessage(), e);
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Assert.shouldNeverReachHere();
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}
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return raw;
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}
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public void flashLogging()
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{
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if ((useElementCount) && (elmCount < maxElmCount))
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{
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return;
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}
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if (fos != null)
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{
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try
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{
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putEndOfFileElement();
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fos.close();
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} catch (IOException e)
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{
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logger.warn(e.getMessage(), e);
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}
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fos = null;
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fch = null;
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elmCount = 0;
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}
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}
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public boolean isSchemaChanged()
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{
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return schemaChanged;
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}
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public boolean isUseElementCount()
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{
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return useElementCount;
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}
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public void setUseElementCount(boolean useElementCount)
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{
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this.useElementCount = useElementCount;
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}
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public int getElmCount()
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{
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return elmCount;
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}
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public int getMaxElmCount()
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{
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return maxElmCount;
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}
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public void setMaxElmCount(int maxElmCount)
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{
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this.maxElmCount = maxElmCount;
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}
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}
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