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/** |
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$Id$ |
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|
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Copyright (C) 2009 Nicklas Nordborg |
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|
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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|
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 3 |
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of the License, or (at your option) any later version. |
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|
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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18 |
|
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You should have received a copy of the GNU General Public License |
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along with BASE. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package net.sf.basedb.util.bfs; |
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|
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.io.OutputStreamWriter; |
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import java.io.Writer; |
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import java.nio.charset.StandardCharsets; |
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import java.util.HashSet; |
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import java.util.Set; |
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|
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import net.sf.basedb.core.File; |
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import net.sf.basedb.util.encode.TabCrLfEncoderDecoder; |
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import net.sf.basedb.util.export.TableWriter; |
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|
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/** |
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|
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@author Nicklas |
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@version 2.15 |
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@base.modified $Date$ |
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*/ |
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public class AnnotationWriter |
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extends TableWriter |
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{ |
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|
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/** |
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Utility method for creating an annotation writer when you have an |
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output stream. |
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@param out The output stream the annotation writer should print to |
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@param filename Optional, the name of the file the output stream |
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is printing to |
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*/ |
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public static AnnotationWriter create(OutputStream out, String filename) |
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{ |
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if (out == null) throw new NullPointerException("out"); |
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AnnotationWriter writer = new AnnotationWriter( |
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new OutputStreamWriter(out, StandardCharsets.UTF_8)); |
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writer.setFilename(filename); |
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return writer; |
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} |
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|
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/** |
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Utility method for creating an annotation writer to a file in the BASE |
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file system. The character set and MIME type on the file are automatically |
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updated. |
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@param file The file in the BASE file system |
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*/ |
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public static AnnotationWriter create(File file) |
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{ |
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if (file == null) throw new NullPointerException("file"); |
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file.setCharacterSet("UTF-8"); |
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file.setMimeType("text/plain"); |
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return create(file.getUploadStream(false), file.getName()); |
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} |
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|
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/** |
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Utility method for creating an annotation writer to a file in the native |
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file system. If the file doesn't exists, it is created. |
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@param file The file in the native file system |
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*/ |
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public static AnnotationWriter create(java.io.File file) |
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throws IOException |
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{ |
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if (file == null) throw new NullPointerException("file"); |
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if (!file.createNewFile() && !file.exists()) |
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{ |
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throw new FileNotFoundException(file.toString()); |
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} |
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return create(new FileOutputStream(file), file.getName()); |
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} |
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|
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|
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private String filename; |
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private boolean hasPrintedHeaders; |
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private int columnCount = -1; |
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private Set<Integer> usedIds; |
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|
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public AnnotationWriter(Writer out) |
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{ |
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super(out); |
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super.setDataSeparator("\t"); |
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super.setNullValue(""); |
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super.setEncoder(new TabCrLfEncoderDecoder(false)); |
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this.usedIds = new HashSet<Integer>(); |
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} |
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|
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/** |
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Get the file name that this writer is printing to. |
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@return The file name or null if not known |
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*/ |
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public String getFilename() |
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{ |
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return filename; |
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} |
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|
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/** |
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Set the file name that this writer is printing to. |
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*/ |
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public void setFilename(String filename) |
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{ |
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this.filename = filename; |
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} |
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|
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|
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/** |
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Checks if headers has already been printed or not. |
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*/ |
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public boolean hasPrintedHeaders() |
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{ |
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return hasPrintedHeaders; |
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} |
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|
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/** |
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Get the number of data columns. This information is only |
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available after the headers has been printed. |
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|
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@return The number of column, or -1 if the headers has not yet been |
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printed |
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*/ |
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public int getColumnCount() |
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{ |
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return columnCount; |
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} |
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|
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/** |
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Print the header line. This method must always be called before |
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printing any data. It can only be called once. Each column header |
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must be unique and 'ID' is not allowed since it is always used for |
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the first column. Null values are not allowed. |
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|
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@param headers The header columns, not including the ID column |
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@throws IllegalStateException If headers has already been printed |
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@throws NullPointerException If any of the header values is null |
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@throws IllegalArgumentException If a duplicate header is found |
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*/ |
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public void bfsPrintHeaders(String... headers) |
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{ |
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if (hasPrintedHeaders()) |
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{ |
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throw new IllegalStateException("Headers has already been printed to file: " + |
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getFilename()); |
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} |
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if (headers == null) |
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{ |
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throw new NullPointerException("'headers' in file: " + getFilename()); |
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} |
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|
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Set<String> used = new HashSet<String>(); |
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used.add("ID"); |
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for (int i = 0; i < headers.length; ++i) |
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{ |
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String header = headers[i]; |
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if (header == null) |
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{ |
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throw new NullPointerException("'headers[" + i + "]' in file: " + getFilename()); |
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} |
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if (used.contains(header)) |
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{ |
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throw new IllegalArgumentException("Duplicate header at index " + i + |
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" in file " + getFilename() + ": " + header); |
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} |
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used.add(header); |
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} |
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|
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print("ID\t"); |
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tablePrintData((Object[])headers); |
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189 |
hasPrintedHeaders = true; |
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columnCount = headers.length; |
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} |
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192 |
|
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193 |
/** |
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Print a data line. Before this method can be used headers must have been |
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printed. The size of the data array must be exactly the same as the |
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size of the headers array. |
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197 |
|
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@param id The id of the line, must be a unique positive integer |
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@param data The data to print |
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@throws IllegalStateException If headers has not been printed |
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@throws IllegalArgumentException If the ID values is not a unique postive |
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integer or if the size of the data array doesn't match the size of the |
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header array |
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@throws NullPointerException If the data array is null |
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205 |
*/ |
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206 |
public void bfsPrintData(int id, Object... data) |
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207 |
{ |
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208 |
if (!hasPrintedHeaders()) |
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209 |
{ |
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throw new IllegalStateException("Must print headers before printing data to file: " + |
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getFilename()); |
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} |
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if (id <= 0) |
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{ |
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215 |
throw new IllegalArgumentException("The id must be a positive integer in file: " + |
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getFilename()); |
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217 |
} |
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if (usedIds.contains(id)) |
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219 |
{ |
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throw new IllegalArgumentException("Id value must be unique in file " + |
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221 |
getFilename() + ": " + id); |
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222 |
} |
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223 |
if (data == null) throw new NullPointerException("'data' in file: " + getFilename()); |
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224 |
if (data.length != columnCount) |
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225 |
{ |
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226 |
throw new IllegalArgumentException("Data array has " + data.length + " columns; " + |
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227 |
"; expected " + columnCount + " in file: " + getFilename()); |
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228 |
} |
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229 |
usedIds.add(id); |
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230 |
print(id); |
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231 |
if (data.length > 0) |
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232 |
{ |
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233 |
print("\t"); |
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234 |
tablePrintData(data); |
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235 |
} |
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236 |
else |
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237 |
{ |
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238 |
print("\n"); |
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239 |
} |
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240 |
} |
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241 |
|
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242 |
} |