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/** |
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$Id$ |
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3 |
|
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Copyright (C) 2009 Nicklas Nordborg |
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5 |
|
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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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8 |
|
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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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13 |
|
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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.Writer; |
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import java.util.ArrayList; |
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import java.util.List; |
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|
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/** |
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A model container of the contents of a BFS metadata file. This class |
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is primarily intended to be used when parsing a BFS metadata file |
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(see {@link MetadataParser#parse(EventHandler)}), |
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but it can be used to programmatically create a BFS metadata file and |
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then write it out to a file (see {@link #print(Writer)}). |
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<p> |
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35 |
|
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The model can contain multiple sections, each one with multiple |
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entries. A section has a name, but it doesn't have to be unique. |
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An entry is either a key/value pair or a key/array of values. |
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There may be multiple entries with the same key in a section. |
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40 |
|
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@author Nicklas |
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@version 2.15 |
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@base.modified $Date$ |
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44 |
*/ |
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public class MetadataModel |
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implements EventHandler |
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{ |
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|
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private String subtype; |
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private List<Section> sections; |
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private Section files; |
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private Section currentSection; |
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53 |
|
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/** |
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Create a new metadata model. |
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*/ |
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public MetadataModel() |
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{ |
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this.sections = new ArrayList<Section>(); |
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} |
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61 |
|
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/* |
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From the EventHandler interface |
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------------------------------- |
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*/ |
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@SuppressWarnings("rawtypes") |
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67 |
@Override |
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public void handleEvent(EventType eventType, Object eventData, BfsParser parser) |
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{ |
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if (eventType == MetadataParser.BOF_EVENT) |
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{ |
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setSubtype((String)eventData); |
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} |
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else if (eventType == MetadataParser.SECTION_EVENT) |
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{ |
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currentSection = addSection((String)eventData); |
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} |
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else if (eventType == MetadataParser.ENTRY_EVENT) |
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{ |
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currentSection.addEntry((SectionEntry)eventData); |
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} |
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} |
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// ------------------------------------ |
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84 |
|
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85 |
/** |
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Utility method for printing the contents of this model object |
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to a stream. |
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@param out The output stream to write to |
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*/ |
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public void print(Writer out) |
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{ |
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MetadataWriter bfs = new MetadataWriter(out); |
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bfs.setSubtype(getSubtype()); |
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for (int i = 0; i < getSectionCount(); ++i) |
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{ |
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Section s = getSection(i); |
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bfs.bfsPrintSection(s.getName(), false, false); |
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for (int j = 0; j < s.getEntryCount(); ++j) |
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{ |
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SectionEntry e = s.getEntry(j); |
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bfs.bfsPrintValue(e.getKey(), e.getValues()); |
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} |
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} |
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bfs.flush(); |
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} |
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|
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/** |
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Set the subtype of the BFS. |
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109 |
*/ |
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public void setSubtype(String subtype) |
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{ |
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this.subtype = subtype; |
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} |
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114 |
|
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/** |
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Get the BFS subtype. |
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*/ |
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public String getSubtype() |
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{ |
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return subtype; |
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} |
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122 |
|
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/** |
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Get the number of sections. |
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*/ |
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public int getSectionCount() |
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{ |
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return sections.size(); |
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} |
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|
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/** |
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Adds a new section to the model. |
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|
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@param name The name of the section |
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@return The new section |
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*/ |
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public Section addSection(String name) |
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{ |
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Section s = new Section(name); |
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sections.add(s); |
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if ("files".equals(name) && files == null) files = s; |
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return s; |
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} |
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|
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145 |
/** |
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Get the section at a given index. |
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@param index The index, a value between 0 and {@link #getSectionCount()}-1 |
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@return Information about the section |
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@throws ArrayIndexOutOfBoundsException If the index is outside the |
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allowed range |
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*/ |
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public Section getSection(int index) |
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{ |
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return sections.get(index); |
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} |
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|
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/** |
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Get the first section with a given name. If there are multiple |
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sections with the same name, only the first is returned. |
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|
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@param name The name of the section to find |
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@return A section or null if no section exists |
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*/ |
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public Section getSection(String name) |
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{ |
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for (Section s : sections) |
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{ |
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if (s.getName().equals(name)) return s; |
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} |
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return null; |
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} |
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|
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/** |
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Add an entry to the 'files' section. |
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@param key The entry key |
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@param name The filename (not verified) |
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*/ |
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public void addFile(String key, String name) |
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{ |
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if (files == null) addSection("files"); |
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files.addEntry(key, name); |
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} |
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|
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/** |
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Get the number of entries in the 'files' section. |
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*/ |
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public int getFileCount() |
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{ |
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if (files == null) return 0; |
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return files.getEntryCount(); |
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} |
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|
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/** |
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Get the file entry with a given index. |
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@param index The index, a value between 0 and {@link #getFileCount()} - 1 |
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@return The file name |
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*/ |
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public String getFile(int index) |
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{ |
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if (files == null) return null; |
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return files.getValue(index); |
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} |
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|
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204 |
/** |
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Get the file entry for a given key. If multiple entries with |
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the same key exists, only the first is returned. |
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@param key The key to look for |
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@return The file name of null if no entry exists for the given key |
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*/ |
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public String getFile(String key) |
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{ |
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if (files == null) return null; |
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return files.getValue(key); |
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214 |
} |
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|
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216 |
/** |
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Utility method for getting the value of the first entry |
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in the first section that matches the given section and |
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key name. |
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@param section The name of the section |
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@param key The key of the entry |
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@return The value, or null if no section or entry is found |
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223 |
*/ |
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public String getValue(String section, String key) |
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{ |
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Section s = getSection(section); |
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227 |
return s == null ? null : s.getValue(key); |
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228 |
} |
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229 |
|
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230 |
/** |
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Utility method for getting the values of the first entry |
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in the first section that matches the given section and |
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key name. |
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@param section The name of the section |
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@param key The key of the entry |
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@return The values, or null if no section or entry is found |
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237 |
*/ |
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238 |
public String[] getValues(String section, String key) |
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239 |
{ |
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240 |
Section s = getSection(section); |
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241 |
return s == null ? null : s.getValues(key); |
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242 |
} |
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|
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244 |
|
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245 |
/** |
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Holds information about a section. |
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247 |
*/ |
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248 |
public static class Section |
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249 |
{ |
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250 |
private String name; |
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251 |
private List<SectionEntry> entries; |
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252 |
|
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253 |
/** |
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Create a new section. |
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@param name The name of the section |
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256 |
*/ |
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257 |
public Section(String name) |
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258 |
{ |
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259 |
this.name = name; |
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260 |
this.entries = new ArrayList<SectionEntry>(); |
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261 |
} |
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262 |
|
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263 |
/** |
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Get the name of the section. |
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265 |
*/ |
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266 |
public String getName() |
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267 |
{ |
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268 |
return name; |
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269 |
} |
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|
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271 |
/** |
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Get the number of entries in this section. |
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273 |
*/ |
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274 |
public int getEntryCount() |
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275 |
{ |
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276 |
return entries.size(); |
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277 |
} |
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278 |
|
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279 |
/** |
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Add a new entry to this section. |
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281 |
*/ |
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282 |
public void addEntry(SectionEntry entry) |
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283 |
{ |
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284 |
entries.add(entry); |
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285 |
} |
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|
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287 |
/** |
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Add a new entry to this section. |
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@param key The key of the entry |
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@param values The values |
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291 |
*/ |
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292 |
public SectionEntry addEntry(String key, String... values) |
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293 |
{ |
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294 |
SectionEntry e = new SectionEntry(key, values); |
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295 |
addEntry(e); |
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296 |
return e; |
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297 |
} |
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298 |
|
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299 |
/** |
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Get the entry in this section with the given index. |
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27 Nov 09 |
nicklas |
@param index The index of the entry, a value between 0 and |
5193 |
27 Nov 09 |
nicklas |
{@link #getEntryCount()} - 1 |
5193 |
27 Nov 09 |
nicklas |
@return A section entry |
5193 |
27 Nov 09 |
nicklas |
304 |
*/ |
5193 |
27 Nov 09 |
nicklas |
305 |
public SectionEntry getEntry(int index) |
5193 |
27 Nov 09 |
nicklas |
306 |
{ |
5193 |
27 Nov 09 |
nicklas |
307 |
return entries.get(index); |
5193 |
27 Nov 09 |
nicklas |
308 |
} |
5193 |
27 Nov 09 |
nicklas |
309 |
|
5193 |
27 Nov 09 |
nicklas |
310 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the first entry in this section with a given key. |
5193 |
27 Nov 09 |
nicklas |
@param key The key to look for |
5193 |
27 Nov 09 |
nicklas |
@return A section entry, or null if no entry with the |
5193 |
27 Nov 09 |
nicklas |
given key exists |
5193 |
27 Nov 09 |
nicklas |
315 |
*/ |
5193 |
27 Nov 09 |
nicklas |
316 |
public SectionEntry getEntry(String key) |
5193 |
27 Nov 09 |
nicklas |
317 |
{ |
5193 |
27 Nov 09 |
nicklas |
318 |
for (SectionEntry e: entries) |
5193 |
27 Nov 09 |
nicklas |
319 |
{ |
5193 |
27 Nov 09 |
nicklas |
320 |
if (e.getKey().equals(key)) return e; |
5193 |
27 Nov 09 |
nicklas |
321 |
} |
5193 |
27 Nov 09 |
nicklas |
322 |
return null; |
5193 |
27 Nov 09 |
nicklas |
323 |
} |
5193 |
27 Nov 09 |
nicklas |
324 |
|
5193 |
27 Nov 09 |
nicklas |
325 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the key of the entry at the given index. |
5193 |
27 Nov 09 |
nicklas |
@param index The index of the entry, a value between 0 and |
5193 |
27 Nov 09 |
nicklas |
{@link #getEntryCount()} - 1 |
5193 |
27 Nov 09 |
nicklas |
@return The key of the entry |
5193 |
27 Nov 09 |
nicklas |
330 |
*/ |
5193 |
27 Nov 09 |
nicklas |
331 |
public String getKey(int index) |
5193 |
27 Nov 09 |
nicklas |
332 |
{ |
5193 |
27 Nov 09 |
nicklas |
333 |
return getEntry(index).getKey(); |
5193 |
27 Nov 09 |
nicklas |
334 |
} |
5193 |
27 Nov 09 |
nicklas |
335 |
|
5193 |
27 Nov 09 |
nicklas |
336 |
/** |
5224 |
27 Jan 10 |
nicklas |
Get the index of the first entry with the given key. |
5224 |
27 Jan 10 |
nicklas |
@param key The key to look for |
5224 |
27 Jan 10 |
nicklas |
@return The index of the entry, or -1 if the key is not found |
5224 |
27 Jan 10 |
nicklas |
340 |
*/ |
5224 |
27 Jan 10 |
nicklas |
341 |
public int getIndex(String key) |
5224 |
27 Jan 10 |
nicklas |
342 |
{ |
5224 |
27 Jan 10 |
nicklas |
343 |
for (int i = 0; i < entries.size(); ++i) |
5224 |
27 Jan 10 |
nicklas |
344 |
{ |
5224 |
27 Jan 10 |
nicklas |
345 |
if (entries.get(i).getKey().equals(key)) return i; |
5224 |
27 Jan 10 |
nicklas |
346 |
} |
5224 |
27 Jan 10 |
nicklas |
347 |
return -1; |
5224 |
27 Jan 10 |
nicklas |
348 |
} |
5224 |
27 Jan 10 |
nicklas |
349 |
|
5224 |
27 Jan 10 |
nicklas |
350 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the value of the entry at the given index. |
5193 |
27 Nov 09 |
nicklas |
@param index The index of the entry, a value between 0 and |
5193 |
27 Nov 09 |
nicklas |
{@link #getEntryCount()} - 1 |
5193 |
27 Nov 09 |
nicklas |
@return The value of the entry |
5193 |
27 Nov 09 |
nicklas |
355 |
*/ |
5193 |
27 Nov 09 |
nicklas |
356 |
public String getValue(int index) |
5193 |
27 Nov 09 |
nicklas |
357 |
{ |
5193 |
27 Nov 09 |
nicklas |
358 |
return getEntry(index).getValue(); |
5193 |
27 Nov 09 |
nicklas |
359 |
} |
5193 |
27 Nov 09 |
nicklas |
360 |
|
5193 |
27 Nov 09 |
nicklas |
361 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the values of the entry at the given index. |
5193 |
27 Nov 09 |
nicklas |
@param index The index of the entry, a value between 0 and |
5193 |
27 Nov 09 |
nicklas |
{@link #getEntryCount()} - 1 |
5193 |
27 Nov 09 |
nicklas |
@return The value of the entry |
5193 |
27 Nov 09 |
nicklas |
366 |
*/ |
5193 |
27 Nov 09 |
nicklas |
367 |
public String[] getValues(int index) |
5193 |
27 Nov 09 |
nicklas |
368 |
{ |
5193 |
27 Nov 09 |
nicklas |
369 |
return getEntry(index).getValues(); |
5193 |
27 Nov 09 |
nicklas |
370 |
} |
5193 |
27 Nov 09 |
nicklas |
371 |
|
5193 |
27 Nov 09 |
nicklas |
372 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the value of the first entry with a given key. |
5193 |
27 Nov 09 |
nicklas |
@param key The key of the entry |
5193 |
27 Nov 09 |
nicklas |
@return The value, or null if no entry for the given key exists |
5193 |
27 Nov 09 |
nicklas |
376 |
*/ |
5193 |
27 Nov 09 |
nicklas |
377 |
public String getValue(String key) |
5193 |
27 Nov 09 |
nicklas |
378 |
{ |
5193 |
27 Nov 09 |
nicklas |
379 |
SectionEntry e = getEntry(key); |
5193 |
27 Nov 09 |
nicklas |
380 |
return e == null ? null : e.getValue(); |
5193 |
27 Nov 09 |
nicklas |
381 |
} |
5193 |
27 Nov 09 |
nicklas |
382 |
|
5193 |
27 Nov 09 |
nicklas |
383 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the values of the first entry with a given key. |
5193 |
27 Nov 09 |
nicklas |
@param key The key of the entry |
5193 |
27 Nov 09 |
nicklas |
@return The value, or null if no entry for the given key exists |
5193 |
27 Nov 09 |
nicklas |
387 |
*/ |
5193 |
27 Nov 09 |
nicklas |
388 |
public String[] getValues(String key) |
5193 |
27 Nov 09 |
nicklas |
389 |
{ |
5193 |
27 Nov 09 |
nicklas |
390 |
SectionEntry e = getEntry(key); |
5193 |
27 Nov 09 |
nicklas |
391 |
return e == null ? null : e.getValues(); |
5193 |
27 Nov 09 |
nicklas |
392 |
} |
5193 |
27 Nov 09 |
nicklas |
393 |
|
5193 |
27 Nov 09 |
nicklas |
394 |
} |
5193 |
27 Nov 09 |
nicklas |
395 |
|
5193 |
27 Nov 09 |
nicklas |
396 |
/** |
5193 |
27 Nov 09 |
nicklas |
Holds information about a section entry. |
5193 |
27 Nov 09 |
nicklas |
398 |
*/ |
5193 |
27 Nov 09 |
nicklas |
399 |
public static class SectionEntry |
5193 |
27 Nov 09 |
nicklas |
400 |
{ |
5193 |
27 Nov 09 |
nicklas |
401 |
private String key; |
5193 |
27 Nov 09 |
nicklas |
402 |
private String[] values; |
5193 |
27 Nov 09 |
nicklas |
403 |
private String value; |
5193 |
27 Nov 09 |
nicklas |
404 |
|
5193 |
27 Nov 09 |
nicklas |
405 |
/** |
5193 |
27 Nov 09 |
nicklas |
Create a new single-valued section entry. |
5193 |
27 Nov 09 |
nicklas |
@param key The key of the entry |
5193 |
27 Nov 09 |
nicklas |
@param value The value of the entry |
5193 |
27 Nov 09 |
nicklas |
409 |
*/ |
5193 |
27 Nov 09 |
nicklas |
410 |
public SectionEntry(String key, String value) |
5193 |
27 Nov 09 |
nicklas |
411 |
{ |
5193 |
27 Nov 09 |
nicklas |
412 |
this.key = key; |
5193 |
27 Nov 09 |
nicklas |
413 |
this.value = value; |
5193 |
27 Nov 09 |
nicklas |
414 |
this.values = new String[] { value }; |
5193 |
27 Nov 09 |
nicklas |
415 |
} |
5193 |
27 Nov 09 |
nicklas |
416 |
|
5193 |
27 Nov 09 |
nicklas |
417 |
/** |
5193 |
27 Nov 09 |
nicklas |
Create a new section entry with an array of values. |
5193 |
27 Nov 09 |
nicklas |
@param key The key of the entry |
5193 |
27 Nov 09 |
nicklas |
@param values An array with the values |
5193 |
27 Nov 09 |
nicklas |
421 |
*/ |
5193 |
27 Nov 09 |
nicklas |
422 |
public SectionEntry(String key, String... values) |
5193 |
27 Nov 09 |
nicklas |
423 |
{ |
5193 |
27 Nov 09 |
nicklas |
424 |
this.key = key; |
5193 |
27 Nov 09 |
nicklas |
425 |
this.values = values; |
5193 |
27 Nov 09 |
nicklas |
426 |
} |
5193 |
27 Nov 09 |
nicklas |
427 |
|
5193 |
27 Nov 09 |
nicklas |
428 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the key of the entry. |
5193 |
27 Nov 09 |
nicklas |
430 |
*/ |
5193 |
27 Nov 09 |
nicklas |
431 |
public String getKey() |
5193 |
27 Nov 09 |
nicklas |
432 |
{ |
5193 |
27 Nov 09 |
nicklas |
433 |
return key; |
5193 |
27 Nov 09 |
nicklas |
434 |
} |
5193 |
27 Nov 09 |
nicklas |
435 |
|
5193 |
27 Nov 09 |
nicklas |
436 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the number of values in the entry. |
5193 |
27 Nov 09 |
nicklas |
438 |
*/ |
5193 |
27 Nov 09 |
nicklas |
439 |
public int getValueCount() |
5193 |
27 Nov 09 |
nicklas |
440 |
{ |
5193 |
27 Nov 09 |
nicklas |
441 |
return values.length; |
5193 |
27 Nov 09 |
nicklas |
442 |
} |
5193 |
27 Nov 09 |
nicklas |
443 |
|
5193 |
27 Nov 09 |
nicklas |
444 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get the value of the entry. If the entry is a |
5193 |
27 Nov 09 |
nicklas |
multi-value entry, a single-value is created by concatenating |
5193 |
27 Nov 09 |
nicklas |
the array of values using tab as a separator. |
5193 |
27 Nov 09 |
nicklas |
@return The value of the entry |
5193 |
27 Nov 09 |
nicklas |
449 |
*/ |
5193 |
27 Nov 09 |
nicklas |
450 |
public String getValue() |
5193 |
27 Nov 09 |
nicklas |
451 |
{ |
5193 |
27 Nov 09 |
nicklas |
452 |
if (value == null) |
5193 |
27 Nov 09 |
nicklas |
453 |
{ |
5193 |
27 Nov 09 |
nicklas |
454 |
String sep = ""; |
5193 |
27 Nov 09 |
nicklas |
455 |
StringBuilder sb = new StringBuilder(); |
5193 |
27 Nov 09 |
nicklas |
456 |
for (String s : values) |
5193 |
27 Nov 09 |
nicklas |
457 |
{ |
5193 |
27 Nov 09 |
nicklas |
458 |
sb.append(sep); |
5193 |
27 Nov 09 |
nicklas |
459 |
sb.append(s); |
5193 |
27 Nov 09 |
nicklas |
460 |
sep = "\t"; |
5193 |
27 Nov 09 |
nicklas |
461 |
} |
5193 |
27 Nov 09 |
nicklas |
462 |
value = sb.toString(); |
5193 |
27 Nov 09 |
nicklas |
463 |
} |
5193 |
27 Nov 09 |
nicklas |
464 |
return value; |
5193 |
27 Nov 09 |
nicklas |
465 |
} |
5193 |
27 Nov 09 |
nicklas |
466 |
|
5193 |
27 Nov 09 |
nicklas |
467 |
/** |
5193 |
27 Nov 09 |
nicklas |
Get all values. |
5193 |
27 Nov 09 |
nicklas |
469 |
*/ |
5193 |
27 Nov 09 |
nicklas |
470 |
public String[] getValues() |
5193 |
27 Nov 09 |
nicklas |
471 |
{ |
5193 |
27 Nov 09 |
nicklas |
472 |
return values; |
5193 |
27 Nov 09 |
nicklas |
473 |
} |
5193 |
27 Nov 09 |
nicklas |
474 |
|
5193 |
27 Nov 09 |
nicklas |
475 |
} |
5193 |
27 Nov 09 |
nicklas |
476 |
|
5193 |
27 Nov 09 |
nicklas |
477 |
} |