adds initial version of FTR reader

plugins/com.minres.scviewer.database.ftr/src/com/minres/scviewer/database/ftr/TxStream.java

@@ -0,0 +1,73 @@
+/*******************************************************************************
+ * Copyright (c) 2012 IT Just working.
+ * Copyright (c) 2020 MINRES Technologies GmbH
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IT Just working - initial API and implementation
+ *******************************************************************************/
+package com.minres.scviewer.database.ftr;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.minres.scviewer.database.IWaveform;
+import com.minres.scviewer.database.InputFormatException;
+
+/**
+ * The Class TxStream.
+ */
+class TxStream extends AbstractTxStream {
+
+	/** The kind. */
+	final String kind;
+
+	final ArrayList<Long> fileOffsets = new ArrayList<>();
+	
+	final ArrayList<byte[]> chunks = new ArrayList<>();
+
+	/**
+	 * Instantiates a new tx stream.
+	 *
+	 * @param loader the loader
+	 * @param id     the id
+	 * @param name   the name
+	 * @param kind   the kind
+	 */
+	TxStream(FtrDbLoader loader, Long id, String name, String kind) {
+		super(loader, id, name);
+		this.kind = kind;
+	}
+
+	/**
+	 * Checks if is same.
+	 *
+	 * @param other the other
+	 * @return true, if is same
+	 */
+	@Override
+	public boolean isSame(IWaveform other) {
+		return (other instanceof TxStream && this.getId() == other.getId());
+	}
+
+	/**
+	 * Gets the kind.
+	 *
+	 * @return the kind
+	 */
+	@Override
+	public String getKind() {
+		return kind;
+	}
+
+	public List<byte[]> getChunks() throws InputFormatException {
+		if(chunks.size()==0) {
+			chunks.addAll(loader.getChunksAtOffsets(fileOffsets));
+		}
+		return chunks;
+	}
+
+}