[3391] | 1 | /**********************************************************************
|
---|
| 2 | *
|
---|
| 3 | * ResultItemLink.java -- a thesaurus link in the Phind applet
|
---|
| 4 | *
|
---|
| 5 | * Copyright 2000 Gordon W. Paynter
|
---|
| 6 | * Copyright 2000 The New Zealand Digital Library Project
|
---|
| 7 | *
|
---|
| 8 | * A component of the Greenstone digital library software
|
---|
| 9 | * from the New Zealand Digital Library Project at the
|
---|
| 10 | * University of Waikato, New Zealand.
|
---|
| 11 | *
|
---|
| 12 | * This program is free software; you can redistribute it and/or modify
|
---|
| 13 | * it under the terms of the GNU General Public License as published by
|
---|
| 14 | * the Free Software Foundation; either version 2 of the License, or
|
---|
| 15 | * (at your option) any later version.
|
---|
| 16 | *
|
---|
| 17 | * This program is distributed in the hope that it will be useful,
|
---|
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 20 | * GNU General Public License for more details.
|
---|
| 21 | *
|
---|
| 22 | * You should have received a copy of the GNU General Public License
|
---|
| 23 | * along with this program; if not, write to the Free Software
|
---|
| 24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
---|
| 25 | *
|
---|
| 26 | *********************************************************************/
|
---|
| 27 |
|
---|
| 28 | /*********************************************************************
|
---|
| 29 |
|
---|
| 30 | This class is used in the Phind java applet (Phind.java).
|
---|
| 31 |
|
---|
| 32 | It contains information describing a thesaurus link.
|
---|
| 33 |
|
---|
| 34 | **********************************************************************/
|
---|
| 35 | package org.greenstone.applet.phind;
|
---|
| 36 | //package org.nzdl.gsdl.Phind;
|
---|
| 37 |
|
---|
| 38 | public class ResultItemLink extends ResultItem {
|
---|
| 39 |
|
---|
| 40 | // The phrase number, stored as a string and as a number
|
---|
| 41 | String id;
|
---|
| 42 | int symbol;
|
---|
| 43 |
|
---|
| 44 | // The text of the link is stored in the inherited text field.
|
---|
| 45 |
|
---|
| 46 | // The type of thesaurus link
|
---|
| 47 | String linkType;
|
---|
| 48 |
|
---|
| 49 | // The total frequency is stored in the inherited frequency field.
|
---|
| 50 |
|
---|
| 51 | // The document frequency of the thesaurus item
|
---|
| 52 | int documentFrequency;
|
---|
| 53 |
|
---|
| 54 | // Create a ResultItem for a thesaurus link
|
---|
| 55 | ResultItemLink(String newId, String newText, String newLinkType,
|
---|
| 56 | String tf, String df) {
|
---|
| 57 |
|
---|
| 58 | kind = linkItem;
|
---|
| 59 | id = newId;
|
---|
| 60 | symbol = Integer.valueOf(newId).intValue();
|
---|
| 61 | text = newText.trim();
|
---|
| 62 | sort = sortLinkItem;
|
---|
| 63 | linkType = newLinkType;
|
---|
| 64 | frequency = Integer.valueOf(tf).intValue();
|
---|
| 65 | documentFrequency = Integer.valueOf(df).intValue();
|
---|
| 66 | }
|
---|
| 67 |
|
---|
| 68 | // Is this item a phrase?
|
---|
| 69 | public boolean isLink() { return true; }
|
---|
| 70 |
|
---|
| 71 | // Return the text of the item components
|
---|
| 72 | public String hiddenText() { return id; }
|
---|
| 73 | public String docsText() {
|
---|
| 74 | if (documentFrequency <= 0) { return ""; }
|
---|
| 75 | else { return Integer.toString(documentFrequency); }
|
---|
| 76 | }
|
---|
| 77 | public String prefixText() {
|
---|
| 78 | if (linkType.equals("RT")) { return "Related term"; }
|
---|
| 79 | else if (linkType.equals("BT")) { return "Broader term"; }
|
---|
| 80 | else if (linkType.equals("NT")) { return "Narrower term"; }
|
---|
| 81 | else if (linkType.equals("USE")) { return "Use"; }
|
---|
| 82 | else if (linkType.startsWith("UF")) { return "Used for"; }
|
---|
| 83 | else { return linkType; }
|
---|
| 84 | }
|
---|
| 85 | }
|
---|
| 86 |
|
---|
| 87 |
|
---|
| 88 |
|
---|