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/* |
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* jlscp - a java LinuxSampler control protocol API |
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* |
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* Copyright (C) 2005-2007 Grigor Iliev <grigor@grigoriliev.com> |
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* |
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* This file is part of jlscp. |
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* |
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* jlscp is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* jlscp 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with jlscp; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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package org.linuxsampler.lscp; |
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import java.text.DateFormat; |
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import java.text.NumberFormat; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.Date; |
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import static org.linuxsampler.lscp.Parser.*; |
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/** |
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* Provides information about a database instrument. |
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* @author Grigor Iliev |
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*/ |
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public class DbInstrumentInfo extends AbstractInstrument implements Parseable { |
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private String directoryPath = null; |
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private final Date dateCreated = new EnhancedDate(); |
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private final Date dateModified = new EnhancedDate(); |
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private long size = 0; |
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private boolean drum = false; |
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private String product = ""; |
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private String artists = ""; |
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private String keywords = ""; |
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private boolean showAbsolutePath = false; |
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private static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
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private static DateFormat dateFormat2 = DateFormat.getInstance(); |
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private static NumberFormat numberFormat = NumberFormat.getInstance(); |
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static { |
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numberFormat.setMinimumFractionDigits(0); |
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numberFormat.setMaximumFractionDigits(1); |
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} |
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/** |
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* Creates a new instance of <code>DbInstrumentInfo</code>. |
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* @param resultSet An array with information categories about a DB instrument. |
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*/ |
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public |
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DbInstrumentInfo(String[] resultSet) throws LscpException { |
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for(String s : resultSet) |
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if(!parse(s)) Client.getLogger().info(LscpI18n.getLogMsg("unknownLine", s)); |
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} |
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/** |
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* Returns the absolute path name of the directory containing this instrument. |
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**/ |
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public String |
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getDirectoryPath() { return directoryPath; } |
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/** |
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* Sets the absolute path name of the directory containing this instrument. |
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**/ |
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public void |
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setDirectoryPath(String dir) { directoryPath = dir; } |
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/** |
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* Returns the absolute path name of this instrument or |
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* <code>null</code> if the directory path for this instrument is not set. |
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**/ |
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public String |
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getInstrumentPath() { |
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if(getDirectoryPath() == null) return null; |
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if(getDirectoryPath().length() == 1) { |
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if(!getDirectoryPath().equals("/")) return null; |
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return getDirectoryPath() + toEscapedFileName(getName()); |
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} |
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return getDirectoryPath() + "/" + toEscapedFileName(getName()); |
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} |
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/** |
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* Returns the date when the instrument is created. |
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**/ |
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public Date |
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getDateCreated() { return dateCreated; } |
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/** |
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* Returns the date when the instrument is last modified. |
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**/ |
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public Date |
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getDateModified() { return dateModified; } |
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/** |
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* Returns the size of the instrument in bytes. |
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**/ |
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public long |
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getSize() { return size; } |
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/** |
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* Gets a user friendly representation of the instruments size. |
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*/ |
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public String |
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getFormatedSize() { |
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String s; |
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long i = getSize(); |
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if(i > 1024*1024*1024) { |
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double d = i; |
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d /= (1024*1024*1024); |
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s = numberFormat.format(d) + " GB"; |
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} else if(i > 1024*1024) { |
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double d = i; |
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d /= (1024*1024); |
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s = numberFormat.format(d) + " MB"; |
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} else if(i > 1024) { |
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double d = i; |
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d /= (1024); |
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s = numberFormat.format(d) + " KB"; |
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} else { |
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s = numberFormat.format(i) + " bytes"; |
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} |
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return s; |
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} |
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/** |
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* Determines whether the instrument is a drumkit or a chromatic instrument. |
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**/ |
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public boolean |
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isDrum() { return drum; } |
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/** |
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* Returns the product title of the instrument. |
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**/ |
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public String |
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getProduct() { return product; } |
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/** |
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* Lists the artist names. |
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**/ |
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public String |
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getArtists() { return artists; } |
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/** |
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* Provides a list of keywords that refer to the instrument. |
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* Keywords are separated with semicolon and blank. |
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**/ |
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public String |
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getKeywords() { return keywords; } |
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public String |
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getEngine() { |
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// TODO: engine lookup? |
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return getFormatFamily(); |
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} |
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/** |
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* Parses a line of text. |
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* @param s The string to be parsed. |
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* @return <code>true</code> if the line has been processed, <code>false</code> otherwise. |
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* @throws LscpException If some error occurs. |
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*/ |
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public boolean |
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parse(String s) throws LscpException { |
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if (super.parse(s)) return true; |
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if(s.startsWith("CREATED: ")) { |
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s = s.substring("CREATED: ".length()); |
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try { dateCreated.setTime(dateFormat.parse(s).getTime()); } |
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catch(ParseException e) { throw new LscpException(e.getMessage()); } |
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} else if(s.startsWith("MODIFIED: ")) { |
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s = s.substring("MODIFIED: ".length()); |
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try { dateModified.setTime(dateFormat.parse(s).getTime()); } |
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catch(ParseException e) { throw new LscpException(e.getMessage()); } |
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} else if(s.startsWith("SIZE: ")) { |
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try { size = Long.parseLong(s.substring("SIZE: ".length())); } |
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catch(NumberFormatException x) { |
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throw new LscpException(LscpI18n.getLogMsg("CommandFailed!"), x); |
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} |
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} else if(s.startsWith("IS_DRUM: ")) { |
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drum = Boolean.parseBoolean(s.substring("IS_DRUM: ".length())); |
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} else if(s.startsWith("PRODUCT: ")) { |
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product = s.substring("PRODUCT: ".length()); |
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product = toNonEscapedString(product); |
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} else if(s.startsWith("ARTISTS: ")) { |
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artists = s.substring("ARTISTS: ".length()); |
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artists = toNonEscapedString(artists); |
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} else if(s.startsWith("KEYWORDS: ")) { |
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keywords = s.substring("KEYWORDS: ".length()); |
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keywords = toNonEscapedString(keywords); |
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} else return false; |
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return true; |
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} |
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/** |
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* Determines whether the <code>toString()</code> |
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* method should return the instrument name or |
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* the absolute path name of the instrument. |
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* The default value is <code>false</code>. |
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*/ |
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public boolean |
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getShowAbsolutePath() { return showAbsolutePath; } |
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/** |
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* Sets whether the <code>toString()</code> method |
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* should return the absolute path name of the instrument. |
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* @param b If <code>true</code> the <code>toString()</code> |
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* method will return the absolute path name of the |
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* instrument instead of the instrument name. |
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*/ |
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public void |
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setShowAbsolutePath(boolean b) { showAbsolutePath = b; } |
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/** |
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* Returns the name or the absolute path name of |
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* the instrument as specified by {@link #getShowAbsolutePath}. |
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* @see #setShowAbsolutePath |
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*/ |
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public String |
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toString() { |
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if(getShowAbsolutePath()) return getInstrumentPath(); |
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return getName(); |
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} |
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private class EnhancedDate extends Date { |
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public String |
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toString() { return dateFormat2.format(this); } |
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} |
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} |